/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set sw=2 ts=2 et tw=78: */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Travis Bogard * Brendan Eich * David Hyatt (hyatt@netscape.com) * Dan Rosen * Vidur Apparao * Johnny Stenback * Mark Hammond * Ryan Jones * Jeff Walden * Ben Bucksch * Emanuele Costa * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "base/basictypes.h" /* This must occur *after* base/basictypes.h to avoid typedefs conflicts. */ #include "mozilla/Util.h" // Local Includes #include "nsGlobalWindow.h" #include "Navigator.h" #include "nsScreen.h" #include "nsHistory.h" #include "nsPerformance.h" #include "nsDOMNavigationTiming.h" #include "nsBarProps.h" #include "nsDOMStorage.h" #include "nsDOMOfflineResourceList.h" #include "nsDOMError.h" // Helper Classes #include "nsXPIDLString.h" #include "nsJSUtils.h" #include "prmem.h" #include "jsapi.h" // for JSAutoRequest #include "jsdbgapi.h" // for JS_ClearWatchPointsForObject #include "jsfriendapi.h" // for JS_GetGlobalForFrame #include "nsReadableUtils.h" #include "nsDOMClassInfo.h" #include "nsJSEnvironment.h" #include "nsCharSeparatedTokenizer.h" // for Accept-Language parsing #include "nsUnicharUtils.h" #include "mozilla/Preferences.h" // Other Classes #include "nsEventListenerManager.h" #include "nsEscape.h" #include "nsStyleCoord.h" #include "nsMimeTypeArray.h" #include "nsNetUtil.h" #include "nsICachingChannel.h" #include "nsPluginArray.h" #include "nsIPluginHost.h" #include "nsPluginHost.h" #include "nsIPluginInstanceOwner.h" #include "nsGeolocation.h" #include "nsDesktopNotification.h" #include "nsContentCID.h" #include "nsLayoutStatics.h" #include "nsCycleCollector.h" #include "nsCCUncollectableMarker.h" #include "nsAutoJSValHolder.h" #include "nsDOMMediaQueryList.h" #include "mozilla/dom/workers/Workers.h" // Interfaces Needed #include "nsIFrame.h" #include "nsCanvasFrame.h" #include "nsIWidget.h" #include "nsIBaseWindow.h" #include "nsDeviceMotion.h" #include "nsIContent.h" #include "nsIContentViewerEdit.h" #include "nsIDocShell.h" #include "nsIDocShellLoadInfo.h" #include "nsIDocShellTreeItem.h" #include "nsIDocShellTreeNode.h" #include "nsIEditorDocShell.h" #include "nsIDocCharset.h" #include "nsIDocument.h" #include "nsIHTMLDocument.h" #include "nsIDOMHTMLDocument.h" #include "nsIDOMHTMLElement.h" #ifndef MOZ_DISABLE_DOMCRYPTO #include "nsIDOMCrypto.h" #endif #include "nsIDOMDocument.h" #include "nsIDOMElement.h" #include "nsIDOMEvent.h" #include "nsIDOMHTMLAnchorElement.h" #include "nsIDOMKeyEvent.h" #include "nsIDOMMessageEvent.h" #include "nsIDOMPopupBlockedEvent.h" #include "nsIDOMPopStateEvent.h" #include "nsIDOMHashChangeEvent.h" #include "nsIDOMOfflineResourceList.h" #include "nsIDOMGeoGeolocation.h" #include "nsIDOMDesktopNotification.h" #include "nsPIDOMStorage.h" #include "nsDOMString.h" #include "nsIEmbeddingSiteWindow2.h" #include "nsThreadUtils.h" #include "nsEventStateManager.h" #include "nsIHttpProtocolHandler.h" #include "nsIJSContextStack.h" #include "nsIJSRuntimeService.h" #include "nsIMarkupDocumentViewer.h" #include "nsIPrefBranch.h" #include "nsIPresShell.h" #include "nsIPrivateDOMEvent.h" #include "nsIProgrammingLanguage.h" #include "nsIServiceManager.h" #include "nsIScriptGlobalObjectOwner.h" #include "nsIScriptSecurityManager.h" #include "nsIScrollableFrame.h" #include "nsIView.h" #include "nsIViewManager.h" #include "nsISelectionController.h" #include "nsISelection.h" #include "nsIPrompt.h" #include "nsIPromptService.h" #include "nsIPromptFactory.h" #include "nsIWritablePropertyBag2.h" #include "nsIWebNavigation.h" #include "nsIWebBrowser.h" #include "nsIWebBrowserChrome.h" #include "nsIWebBrowserFind.h" // For window.find() #include "nsIWebContentHandlerRegistrar.h" #include "nsIWindowMediator.h" // For window.find() #include "nsComputedDOMStyle.h" #include "nsIEntropyCollector.h" #include "nsDOMCID.h" #include "nsDOMError.h" #include "nsDOMWindowUtils.h" #include "nsIWindowWatcher.h" #include "nsPIWindowWatcher.h" #include "nsIContentViewer.h" #include "nsIJSNativeInitializer.h" #include "nsIScriptError.h" #include "nsIConsoleService.h" #include "nsIControllers.h" #include "nsIControllerContext.h" #include "nsGlobalWindowCommands.h" #include "nsAutoPtr.h" #include "nsContentUtils.h" #include "nsCSSProps.h" #include "nsBlobProtocolHandler.h" #include "nsIDOMFile.h" #include "nsIDOMFileList.h" #include "nsIURIFixup.h" #include "mozilla/FunctionTimer.h" #include "nsCDefaultURIFixup.h" #include "nsEventDispatcher.h" #include "nsIObserverService.h" #include "nsIXULAppInfo.h" #include "nsNetUtil.h" #include "nsFocusManager.h" #include "nsIXULWindow.h" #include "nsEventStateManager.h" #include "nsITimedChannel.h" #include "nsICookiePermission.h" #include "nsServiceManagerUtils.h" #ifdef MOZ_XUL #include "nsXULPopupManager.h" #include "nsIDOMXULControlElement.h" #include "nsMenuPopupFrame.h" #endif #include "xpcprivate.h" #ifdef NS_PRINTING #include "nsIPrintSettings.h" #include "nsIPrintSettingsService.h" #include "nsIWebBrowserPrint.h" #endif #include "nsWindowRoot.h" #include "nsNetCID.h" #include "nsIArray.h" #include "nsIScriptRuntime.h" // XXX An unfortunate dependency exists here (two XUL files). #include "nsIDOMXULDocument.h" #include "nsIDOMXULCommandDispatcher.h" #include "nsBindingManager.h" #include "nsIXBLService.h" // used for popup blocking, needs to be converted to something // belonging to the back-end like nsIContentPolicy #include "nsIPopupWindowManager.h" #include "nsIDragService.h" #include "mozilla/dom/Element.h" #include "nsFrameLoader.h" #include "nsISupportsPrimitives.h" #include "nsXPCOMCID.h" #include "mozilla/FunctionTimer.h" #include "mozIThirdPartyUtil.h" #ifdef MOZ_LOGGING // so we can get logging even in release builds #define FORCE_PR_LOG 1 #endif #include "prlog.h" #include "prenv.h" #include "mozilla/dom/indexedDB/IDBFactory.h" #include "mozilla/dom/indexedDB/IndexedDatabaseManager.h" #include "mozilla/dom/StructuredCloneTags.h" #include "nsRefreshDriver.h" #include "mozAutoDocUpdate.h" #include "mozilla/Telemetry.h" #include "nsLocation.h" #include "nsWrapperCacheInlines.h" #ifdef ANDROID #include #endif #ifdef PR_LOGGING static PRLogModuleInfo* gDOMLeakPRLog; #endif static const char kStorageEnabled[] = "dom.storage.enabled"; using namespace mozilla; using namespace mozilla::dom; using mozilla::TimeStamp; using mozilla::TimeDuration; nsIDOMStorageList *nsGlobalWindow::sGlobalStorageList = nsnull; nsGlobalWindow::WindowByIdTable *nsGlobalWindow::sWindowsById = nsnull; bool nsGlobalWindow::sWarnedAboutWindowInternal = false; static nsIEntropyCollector *gEntropyCollector = nsnull; static PRInt32 gRefCnt = 0; static PRInt32 gOpenPopupSpamCount = 0; static PopupControlState gPopupControlState = openAbused; static PRInt32 gRunningTimeoutDepth = 0; static bool gMouseDown = false; static bool gDragServiceDisabled = false; static FILE *gDumpFile = nsnull; static PRUint64 gNextWindowID = 0; static PRUint32 gSerialCounter = 0; #ifdef DEBUG_jst PRInt32 gTimeoutCnt = 0; #endif #if !(defined(NS_DEBUG) || defined(MOZ_ENABLE_JS_DUMP)) static bool gDOMWindowDumpEnabled = false; #endif #if defined(DEBUG_bryner) || defined(DEBUG_chb) #define DEBUG_PAGE_CACHE #endif #define DOM_TOUCH_LISTENER_ADDED "dom-touch-listener-added" // The default shortest interval/timeout we permit #define DEFAULT_MIN_TIMEOUT_VALUE 4 // 4ms #define DEFAULT_MIN_BACKGROUND_TIMEOUT_VALUE 1000 // 1000ms static PRInt32 gMinTimeoutValue; static PRInt32 gMinBackgroundTimeoutValue; inline PRInt32 nsGlobalWindow::DOMMinTimeoutValue() const { bool isBackground = !mOuterWindow || mOuterWindow->IsBackground(); return NS_MAX(isBackground ? gMinBackgroundTimeoutValue : gMinTimeoutValue, 0); } // The number of nested timeouts before we start clamping. HTML5 says 1, WebKit // uses 5. #define DOM_CLAMP_TIMEOUT_NESTING_LEVEL 5 // The longest interval (as PRIntervalTime) we permit, or that our // timer code can handle, really. See DELAY_INTERVAL_LIMIT in // nsTimerImpl.h for details. #define DOM_MAX_TIMEOUT_VALUE DELAY_INTERVAL_LIMIT #define FORWARD_TO_OUTER(method, args, err_rval) \ PR_BEGIN_MACRO \ if (IsInnerWindow()) { \ nsGlobalWindow *outer = GetOuterWindowInternal(); \ if (!outer) { \ NS_WARNING("No outer window available!"); \ return err_rval; \ } \ return outer->method args; \ } \ PR_END_MACRO #define FORWARD_TO_OUTER_VOID(method, args) \ PR_BEGIN_MACRO \ if (IsInnerWindow()) { \ nsGlobalWindow *outer = GetOuterWindowInternal(); \ if (!outer) { \ NS_WARNING("No outer window available!"); \ return; \ } \ outer->method args; \ return; \ } \ PR_END_MACRO #define FORWARD_TO_OUTER_CHROME(method, args, err_rval) \ PR_BEGIN_MACRO \ if (IsInnerWindow()) { \ nsGlobalWindow *outer = GetOuterWindowInternal(); \ if (!outer) { \ NS_WARNING("No outer window available!"); \ return err_rval; \ } \ return ((nsGlobalChromeWindow *)outer)->method args; \ } \ PR_END_MACRO #define FORWARD_TO_INNER_CHROME(method, args, err_rval) \ PR_BEGIN_MACRO \ if (IsOuterWindow()) { \ if (!mInnerWindow) { \ NS_WARNING("No inner window available!"); \ return err_rval; \ } \ return ((nsGlobalChromeWindow *)mInnerWindow)->method args; \ } \ PR_END_MACRO #define FORWARD_TO_OUTER_MODAL_CONTENT_WINDOW(method, args, err_rval) \ PR_BEGIN_MACRO \ if (IsInnerWindow()) { \ nsGlobalWindow *outer = GetOuterWindowInternal(); \ if (!outer) { \ NS_WARNING("No outer window available!"); \ return err_rval; \ } \ return ((nsGlobalModalWindow *)outer)->method args; \ } \ PR_END_MACRO #define FORWARD_TO_INNER(method, args, err_rval) \ PR_BEGIN_MACRO \ if (IsOuterWindow()) { \ if (!mInnerWindow) { \ NS_WARNING("No inner window available!"); \ return err_rval; \ } \ return GetCurrentInnerWindowInternal()->method args; \ } \ PR_END_MACRO #define FORWARD_TO_INNER_MODAL_CONTENT_WINDOW(method, args, err_rval) \ PR_BEGIN_MACRO \ if (IsOuterWindow()) { \ if (!mInnerWindow) { \ NS_WARNING("No inner window available!"); \ return err_rval; \ } \ return ((nsGlobalModalWindow*)GetCurrentInnerWindowInternal())->method args; \ } \ PR_END_MACRO #define FORWARD_TO_INNER_VOID(method, args) \ PR_BEGIN_MACRO \ if (IsOuterWindow()) { \ if (!mInnerWindow) { \ NS_WARNING("No inner window available!"); \ return; \ } \ GetCurrentInnerWindowInternal()->method args; \ return; \ } \ PR_END_MACRO // Same as FORWARD_TO_INNER, but this will create a fresh inner if an // inner doesn't already exists. #define FORWARD_TO_INNER_CREATE(method, args, err_rval) \ PR_BEGIN_MACRO \ if (IsOuterWindow()) { \ if (!mInnerWindow) { \ if (mIsClosed) { \ return err_rval; \ } \ nsCOMPtr doc; \ nsresult fwdic_nr = GetDocument(getter_AddRefs(doc)); \ NS_ENSURE_SUCCESS(fwdic_nr, err_rval); \ if (!mInnerWindow) { \ return err_rval; \ } \ } \ return GetCurrentInnerWindowInternal()->method args; \ } \ PR_END_MACRO // CIDs static NS_DEFINE_CID(kXULControllersCID, NS_XULCONTROLLERS_CID); static const char sJSStackContractID[] = "@mozilla.org/js/xpc/ContextStack;1"; #ifndef MOZ_DISABLE_DOMCRYPTO static const char kCryptoContractID[] = NS_CRYPTO_CONTRACTID; static const char kPkcs11ContractID[] = NS_PKCS11_CONTRACTID; #endif static const char sPopStatePrefStr[] = "browser.history.allowPopState"; class nsDummyJavaPluginOwner : public nsIPluginInstanceOwner { public: nsDummyJavaPluginOwner(nsIDocument *aDocument) : mDocument(aDocument) { } void Destroy(); NS_DECL_CYCLE_COLLECTING_ISUPPORTS NS_DECL_NSIPLUGININSTANCEOWNER NS_IMETHOD GetURL(const char *aURL, const char *aTarget, nsIInputStream *aPostStream, void *aHeadersData, PRUint32 aHeadersDataLen); NS_IMETHOD ShowStatus(const PRUnichar *aStatusMsg); NPError ShowNativeContextMenu(NPMenu* menu, void* event); NPBool ConvertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace, double *destX, double *destY, NPCoordinateSpace destSpace); void SendIdleEvent(); NS_DECL_CYCLE_COLLECTION_CLASS(nsDummyJavaPluginOwner) private: nsRefPtr mInstance; nsCOMPtr mDocument; }; NS_IMPL_CYCLE_COLLECTION_2(nsDummyJavaPluginOwner, mDocument, mInstance) // QueryInterface implementation for nsDummyJavaPluginOwner NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDummyJavaPluginOwner) NS_INTERFACE_MAP_ENTRY(nsISupports) NS_INTERFACE_MAP_ENTRY(nsIPluginInstanceOwner) NS_INTERFACE_MAP_END NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDummyJavaPluginOwner) NS_IMPL_CYCLE_COLLECTING_RELEASE(nsDummyJavaPluginOwner) void nsDummyJavaPluginOwner::Destroy() { // If we have a plugin instance, stop it and destroy it now. if (mInstance) { mInstance->Stop(); mInstance->InvalidateOwner(); mInstance = nsnull; } mDocument = nsnull; } NS_IMETHODIMP nsDummyJavaPluginOwner::SetInstance(nsNPAPIPluginInstance *aInstance) { // If we're going to null out mInstance after use, be sure to call // mInstance->InvalidateOwner() here, since it now won't be called // from nsDummyJavaPluginOwner::Destroy(). if (mInstance && !aInstance) mInstance->InvalidateOwner(); mInstance = aInstance; return NS_OK; } NS_IMETHODIMP nsDummyJavaPluginOwner::GetInstance(nsNPAPIPluginInstance **aInstance) { *aInstance = mInstance; NS_IF_ADDREF(*aInstance); return NS_OK; } NS_IMETHODIMP nsDummyJavaPluginOwner::GetWindow(NPWindow *&aWindow) { aWindow = nsnull; return NS_OK; } NS_IMETHODIMP nsDummyJavaPluginOwner::SetWindow() { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsDummyJavaPluginOwner::GetMode(PRInt32 *aMode) { // This is wrong, but there's no better alternative. *aMode = NP_EMBED; return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsDummyJavaPluginOwner::CreateWidget(void) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsDummyJavaPluginOwner::GetURL(const char *aURL, const char *aTarget, nsIInputStream *aPostStream, void *aHeadersData, PRUint32 aHeadersDataLen) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsDummyJavaPluginOwner::ShowStatus(const char *aStatusMsg) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsDummyJavaPluginOwner::ShowStatus(const PRUnichar *aStatusMsg) { return NS_ERROR_NOT_IMPLEMENTED; } NPError nsDummyJavaPluginOwner::ShowNativeContextMenu(NPMenu* menu, void* event) { return NPERR_GENERIC_ERROR; } NPBool nsDummyJavaPluginOwner::ConvertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace, double *destX, double *destY, NPCoordinateSpace destSpace) { return false; } NS_IMETHODIMP nsDummyJavaPluginOwner::GetDocument(nsIDocument **aDocument) { NS_IF_ADDREF(*aDocument = mDocument); return NS_OK; } NS_IMETHODIMP nsDummyJavaPluginOwner::InvalidateRect(NPRect *invalidRect) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsDummyJavaPluginOwner::InvalidateRegion(NPRegion invalidRegion) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsDummyJavaPluginOwner::ForceRedraw() { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsDummyJavaPluginOwner::GetNetscapeWindow(void *value) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsDummyJavaPluginOwner::SetEventModel(PRInt32 eventModel) { return NS_ERROR_NOT_IMPLEMENTED; } void nsDummyJavaPluginOwner::SendIdleEvent() { } /** * An object implementing the window.URL property. */ class nsDOMMozURLProperty : public nsIDOMMozURLProperty { public: nsDOMMozURLProperty(nsGlobalWindow* aWindow) : mWindow(aWindow) { } NS_DECL_ISUPPORTS NS_DECL_NSIDOMMOZURLPROPERTY void ClearWindowReference() { mWindow = nsnull; } private: nsGlobalWindow* mWindow; }; DOMCI_DATA(MozURLProperty, nsDOMMozURLProperty) NS_IMPL_ADDREF(nsDOMMozURLProperty) NS_IMPL_RELEASE(nsDOMMozURLProperty) NS_INTERFACE_MAP_BEGIN(nsDOMMozURLProperty) NS_INTERFACE_MAP_ENTRY(nsIDOMMozURLProperty) NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMMozURLProperty) NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(MozURLProperty) NS_INTERFACE_MAP_END NS_IMETHODIMP nsDOMMozURLProperty::CreateObjectURL(nsIDOMBlob* aBlob, nsAString& aURL) { NS_PRECONDITION(!mWindow || mWindow->IsInnerWindow(), "Should be inner window"); NS_ENSURE_STATE(mWindow && mWindow->mDoc); NS_ENSURE_ARG_POINTER(aBlob); nsIDocument* doc = mWindow->mDoc; nsresult rv = aBlob->GetInternalUrl(doc->NodePrincipal(), aURL); NS_ENSURE_SUCCESS(rv, rv); doc->RegisterFileDataUri(NS_LossyConvertUTF16toASCII(aURL)); return NS_OK; } NS_IMETHODIMP nsDOMMozURLProperty::RevokeObjectURL(const nsAString& aURL) { NS_PRECONDITION(!mWindow || mWindow->IsInnerWindow(), "Should be inner window"); NS_ENSURE_STATE(mWindow); NS_LossyConvertUTF16toASCII asciiurl(aURL); nsIPrincipal* winPrincipal = mWindow->GetPrincipal(); if (!winPrincipal) { return NS_OK; } nsIPrincipal* principal = nsBlobProtocolHandler::GetFileDataEntryPrincipal(asciiurl); bool subsumes; if (principal && winPrincipal && NS_SUCCEEDED(winPrincipal->Subsumes(principal, &subsumes)) && subsumes) { if (mWindow->mDoc) { mWindow->mDoc->UnregisterFileDataUri(asciiurl); } nsBlobProtocolHandler::RemoveFileDataEntry(asciiurl); } return NS_OK; } /** * An indirect observer object that means we don't have to implement nsIObserver * on nsGlobalWindow, where any script could see it. */ class nsGlobalWindowObserver : public nsIObserver { public: nsGlobalWindowObserver(nsGlobalWindow* aWindow) : mWindow(aWindow) {} NS_DECL_ISUPPORTS NS_IMETHOD Observe(nsISupports* aSubject, const char* aTopic, const PRUnichar* aData) { if (!mWindow) return NS_OK; return mWindow->Observe(aSubject, aTopic, aData); } void Forget() { mWindow = nsnull; } private: nsGlobalWindow* mWindow; }; NS_IMPL_ISUPPORTS1(nsGlobalWindowObserver, nsIObserver) nsTimeout::nsTimeout() { #ifdef DEBUG_jst { extern int gTimeoutCnt; ++gTimeoutCnt; } #endif memset(this, 0, sizeof(*this)); MOZ_COUNT_CTOR(nsTimeout); } nsTimeout::~nsTimeout() { #ifdef DEBUG_jst { extern int gTimeoutCnt; --gTimeoutCnt; } #endif MOZ_COUNT_DTOR(nsTimeout); } NS_IMPL_CYCLE_COLLECTION_CLASS(nsTimeout) NS_IMPL_CYCLE_COLLECTION_UNLINK_NATIVE_0(nsTimeout) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NATIVE_BEGIN(nsTimeout) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR_AMBIGUOUS(mWindow, nsIScriptGlobalObject) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mPrincipal) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mScriptHandler) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(nsTimeout, AddRef) NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(nsTimeout, Release) nsPIDOMWindow::nsPIDOMWindow(nsPIDOMWindow *aOuterWindow) : mFrameElement(nsnull), mDocShell(nsnull), mModalStateDepth(0), mRunningTimeout(nsnull), mMutationBits(0), mIsDocumentLoaded(false), mIsHandlingResizeEvent(false), mIsInnerWindow(aOuterWindow != nsnull), mMayHavePaintEventListener(false), mMayHaveTouchEventListener(false), mMayHaveMouseEnterLeaveEventListener(false), mIsModalContentWindow(false), mIsActive(false), mIsBackground(false), mInnerWindow(nsnull), mOuterWindow(aOuterWindow), // Make sure no actual window ends up with mWindowID == 0 mWindowID(++gNextWindowID), mHasNotifiedGlobalCreated(false) {} nsPIDOMWindow::~nsPIDOMWindow() {} //***************************************************************************** // nsOuterWindowProxy: Outer Window Proxy //***************************************************************************** JSString * nsOuterWindowProxy::obj_toString(JSContext *cx, JSObject *proxy) { JS_ASSERT(js::IsProxy(proxy)); return JS_NewStringCopyZ(cx, "[object Window]"); } void nsOuterWindowProxy::finalize(JSContext *cx, JSObject *proxy) { nsISupports *global = static_cast(js::GetProxyExtra(proxy, 0).toPrivate()); if (global) { nsWrapperCache *cache; CallQueryInterface(global, &cache); cache->ClearWrapperIfProxy(); } } nsOuterWindowProxy nsOuterWindowProxy::singleton; JSObject * NS_NewOuterWindowProxy(JSContext *cx, JSObject *parent) { JSAutoEnterCompartment ac; if (!ac.enter(cx, parent)) { return nsnull; } JSObject *obj = js::Wrapper::New(cx, parent, js::GetObjectProto(parent), parent, &nsOuterWindowProxy::singleton); NS_ASSERTION(js::GetObjectClass(obj)->ext.innerObject, "bad class"); return obj; } //***************************************************************************** //*** nsGlobalWindow: Object Management //***************************************************************************** nsGlobalWindow::nsGlobalWindow(nsGlobalWindow *aOuterWindow) : nsPIDOMWindow(aOuterWindow), mIsFrozen(false), mDidInitJavaProperties(false), mFullScreen(false), mIsClosed(false), mInClose(false), mHavePendingClose(false), mHadOriginalOpener(false), mIsPopupSpam(false), mBlockScriptedClosingFlag(false), mFireOfflineStatusChangeEventOnThaw(false), mCreatingInnerWindow(false), mIsChrome(false), mCleanMessageManager(false), mNeedsFocus(true), mHasFocus(false), #if defined(XP_MACOSX) mShowAccelerators(false), mShowFocusRings(false), #else mShowAccelerators(true), mShowFocusRings(true), #endif mShowFocusRingForContent(false), mFocusByKeyOccurred(false), mHasDeviceMotion(false), mNotifiedIDDestroyed(false), mTimeoutInsertionPoint(nsnull), mTimeoutPublicIdCounter(1), mTimeoutFiringDepth(0), mJSObject(nsnull), mPendingStorageEventsObsolete(nsnull), mTimeoutsSuspendDepth(0), mFocusMethod(0), mSerial(0), #ifdef DEBUG mSetOpenerWindowCalled(false), #endif mCleanedUp(false), mCallCleanUpAfterModalDialogCloses(false), mDialogAbuseCount(0), mDialogDisabled(false) { nsLayoutStatics::AddRef(); // Initialize the PRCList (this). PR_INIT_CLIST(this); // Initialize timeout storage PR_INIT_CLIST(&mTimeouts); if (aOuterWindow) { // |this| is an inner window, add this inner window to the outer // window list of inners. PR_INSERT_AFTER(this, aOuterWindow); mObserver = new nsGlobalWindowObserver(this); if (mObserver) { NS_ADDREF(mObserver); nsCOMPtr os = mozilla::services::GetObserverService(); if (os) { // Watch for online/offline status changes so we can fire events. Use // a strong reference. os->AddObserver(mObserver, NS_IOSERVICE_OFFLINE_STATUS_TOPIC, false); // Watch for dom-storage-changed so we can fire storage // events. Use a strong reference. os->AddObserver(mObserver, "dom-storage2-changed", false); os->AddObserver(mObserver, "dom-storage-changed", false); } } } else { // |this| is an outer window. Outer windows start out frozen and // remain frozen until they get an inner window, so freeze this // outer window here. Freeze(); mObserver = nsnull; SetIsProxy(); } // We could have failed the first time through trying // to create the entropy collector, so we should // try to get one until we succeed. gRefCnt++; if (gRefCnt == 1) { #if !(defined(NS_DEBUG) || defined(MOZ_ENABLE_JS_DUMP)) Preferences::AddBoolVarCache(&gDOMWindowDumpEnabled, "browser.dom.window.dump.enabled"); #endif Preferences::AddIntVarCache(&gMinTimeoutValue, "dom.min_timeout_value", DEFAULT_MIN_TIMEOUT_VALUE); Preferences::AddIntVarCache(&gMinBackgroundTimeoutValue, "dom.min_background_timeout_value", DEFAULT_MIN_BACKGROUND_TIMEOUT_VALUE); } if (gDumpFile == nsnull) { const nsAdoptingCString& fname = Preferences::GetCString("browser.dom.window.dump.file"); if (!fname.IsEmpty()) { // if this fails to open, Dump() knows to just go to stdout // on null. gDumpFile = fopen(fname, "wb+"); } else { gDumpFile = stdout; } } mSerial = ++gSerialCounter; #ifdef DEBUG if (!PR_GetEnv("MOZ_QUIET")) { printf("++DOMWINDOW == %d (%p) [serial = %d] [outer = %p]\n", gRefCnt, static_cast(static_cast(this)), gSerialCounter, static_cast(aOuterWindow)); } #endif #ifdef PR_LOGGING if (gDOMLeakPRLog) PR_LOG(gDOMLeakPRLog, PR_LOG_DEBUG, ("DOMWINDOW %p created outer=%p", this, aOuterWindow)); #endif NS_ASSERTION(sWindowsById, "Windows hash table must be created!"); NS_ASSERTION(!sWindowsById->Get(mWindowID), "This window shouldn't be in the hash table yet!"); sWindowsById->Put(mWindowID, this); } /* static */ void nsGlobalWindow::Init() { CallGetService(NS_ENTROPYCOLLECTOR_CONTRACTID, &gEntropyCollector); NS_ASSERTION(gEntropyCollector, "gEntropyCollector should have been initialized!"); #ifdef PR_LOGGING gDOMLeakPRLog = PR_NewLogModule("DOMLeak"); NS_ASSERTION(gDOMLeakPRLog, "gDOMLeakPRLog should have been initialized!"); #endif sWindowsById = new WindowByIdTable(); // There are two reasons to have Init() failing: if we were not able to // alloc the memory or if the size we want to init is too high. None of them // should happen. #ifdef DEBUG NS_ASSERTION(sWindowsById->Init(), "Init() should not fail!"); #else sWindowsById->Init(); #endif } nsGlobalWindow::~nsGlobalWindow() { // We have to check if sWindowsById isn't null because ::Shutdown might have // been called. if (sWindowsById) { NS_ASSERTION(sWindowsById->Get(mWindowID), "This window should be in the hash table"); sWindowsById->Remove(mWindowID); } --gRefCnt; #ifdef DEBUG if (!PR_GetEnv("MOZ_QUIET")) { nsCAutoString url; if (mLastOpenedURI) { mLastOpenedURI->GetSpec(url); } printf("--DOMWINDOW == %d (%p) [serial = %d] [outer = %p] [url = %s]\n", gRefCnt, static_cast(static_cast(this)), mSerial, static_cast(mOuterWindow.get()), url.get()); } #endif #ifdef PR_LOGGING if (gDOMLeakPRLog) PR_LOG(gDOMLeakPRLog, PR_LOG_DEBUG, ("DOMWINDOW %p destroyed", this)); #endif if (IsOuterWindow()) { JSObject *proxy = GetWrapperPreserveColor(); if (proxy) { js::SetProxyExtra(proxy, 0, js::PrivateValue(NULL)); } // An outer window is destroyed with inner windows still possibly // alive, iterate through the inner windows and null out their // back pointer to this outer, and pull them out of the list of // inner windows. nsGlobalWindow *w; while ((w = (nsGlobalWindow *)PR_LIST_HEAD(this)) != this) { PR_REMOVE_AND_INIT_LINK(w); } } else { Telemetry::Accumulate(Telemetry::INNERWINDOWS_WITH_MUTATION_LISTENERS, mMutationBits ? 1 : 0); if (mListenerManager) { mListenerManager->Disconnect(); mListenerManager = nsnull; } // An inner window is destroyed, pull it out of the outer window's // list if inner windows. PR_REMOVE_LINK(this); // If our outer window's inner window is this window, null out the // outer window's reference to this window that's being deleted. nsGlobalWindow *outer = GetOuterWindowInternal(); if (outer && outer->mInnerWindow == this) { outer->mInnerWindow = nsnull; } } mDocument = nsnull; // Forces Release mDoc = nsnull; NS_ASSERTION(!mArguments, "mArguments wasn't cleaned up properly!"); CleanUp(true); #ifdef DEBUG nsCycleCollector_DEBUG_wasFreed(static_cast(this)); #endif if (mURLProperty) { mURLProperty->ClearWindowReference(); } DisableDeviceMotionUpdates(); mHasDeviceMotion = false; nsLayoutStatics::Release(); } // static void nsGlobalWindow::ShutDown() { NS_IF_RELEASE(sGlobalStorageList); if (gDumpFile && gDumpFile != stdout) { fclose(gDumpFile); } gDumpFile = nsnull; NS_IF_RELEASE(gEntropyCollector); delete sWindowsById; sWindowsById = nsnull; } // static void nsGlobalWindow::CleanupCachedXBLHandlers(nsGlobalWindow* aWindow) { if (aWindow->mCachedXBLPrototypeHandlers.IsInitialized() && aWindow->mCachedXBLPrototypeHandlers.Count() > 0) { aWindow->mCachedXBLPrototypeHandlers.Clear(); nsISupports* supports; aWindow->QueryInterface(NS_GET_IID(nsCycleCollectionISupports), reinterpret_cast(&supports)); NS_ASSERTION(supports, "Failed to QI to nsCycleCollectionISupports?!"); nsContentUtils::DropJSObjects(supports); } } void nsGlobalWindow::MaybeForgiveSpamCount() { if (IsOuterWindow() && IsPopupSpamWindow()) { SetPopupSpamWindow(false); --gOpenPopupSpamCount; NS_ASSERTION(gOpenPopupSpamCount >= 0, "Unbalanced decrement of gOpenPopupSpamCount"); } } void nsGlobalWindow::CleanUp(bool aIgnoreModalDialog) { if (IsOuterWindow() && !aIgnoreModalDialog) { nsGlobalWindow* inner = GetCurrentInnerWindowInternal(); nsCOMPtr dlg(do_QueryObject(inner)); if (dlg) { // The window we're trying to clean up is the outer window of a // modal dialog. Defer cleanup until the window closes, and let // ShowModalDialog take care of calling CleanUp. mCallCleanUpAfterModalDialogCloses = true; return; } } // Guarantee idempotence. if (mCleanedUp) return; mCleanedUp = true; if (mObserver) { nsCOMPtr os = mozilla::services::GetObserverService(); if (os) { os->RemoveObserver(mObserver, NS_IOSERVICE_OFFLINE_STATUS_TOPIC); os->RemoveObserver(mObserver, "dom-storage2-changed"); os->RemoveObserver(mObserver, "dom-storage-changed"); } // Drop its reference to this dying window, in case for some bogus reason // the object stays around. mObserver->Forget(); NS_RELEASE(mObserver); } mNavigator = nsnull; mScreen = nsnull; mMenubar = nsnull; mToolbar = nsnull; mLocationbar = nsnull; mPersonalbar = nsnull; mStatusbar = nsnull; mScrollbars = nsnull; mLocation = nsnull; mHistory = nsnull; mFrames = nsnull; mApplicationCache = nsnull; mIndexedDB = nsnull; mPendingStorageEventsObsolete = nsnull; mPerformance = nsnull; ClearControllers(); mOpener = nsnull; // Forces Release if (mContext) { #ifdef DEBUG nsCycleCollector_DEBUG_shouldBeFreed(mContext); #endif mContext = nsnull; // Forces Release } mChromeEventHandler = nsnull; // Forces Release mParentTarget = nsnull; nsGlobalWindow *inner = GetCurrentInnerWindowInternal(); if (inner) { inner->CleanUp(aIgnoreModalDialog); } if (mCleanMessageManager) { NS_ABORT_IF_FALSE(mIsChrome, "only chrome should have msg manager cleaned"); nsGlobalChromeWindow *asChrome = static_cast(this); if (asChrome->mMessageManager) { static_cast( asChrome->mMessageManager.get())->Disconnect(); } } mInnerWindowHolder = nsnull; mArguments = nsnull; mArgumentsLast = nsnull; mArgumentsOrigin = nsnull; CleanupCachedXBLHandlers(this); #ifdef DEBUG nsCycleCollector_DEBUG_shouldBeFreed(static_cast(this)); #endif } void nsGlobalWindow::ClearControllers() { if (mControllers) { PRUint32 count; mControllers->GetControllerCount(&count); while (count--) { nsCOMPtr controller; mControllers->GetControllerAt(count, getter_AddRefs(controller)); nsCOMPtr context = do_QueryInterface(controller); if (context) context->SetCommandContext(nsnull); } mControllers = nsnull; } } // static void nsGlobalWindow::TryClearWindowScope(nsISupports *aWindow) { nsGlobalWindow *window = static_cast(static_cast(aWindow)); // This termination function might be called when any script evaluation in our // context terminated, even if there are other scripts in the stack. Thus, we // have to check again if a script is executing and post a new termination // function if necessary. window->ClearScopeWhenAllScriptsStop(); } void nsGlobalWindow::ClearScopeWhenAllScriptsStop() { NS_ASSERTION(IsInnerWindow(), "Must be an inner window"); // We cannot clear scope safely until all the scripts in our script context // stopped. This might be a long wait, for example if one script is busy // because it started a nested event loop for a modal dialog. nsIScriptContext *jsscx = GetContextInternal(); if (jsscx && jsscx->GetExecutingScript()) { // We ignore the return value because the only reason that we clear scope // here is to try to prevent leaks. Failing to clear scope might mean that // we'll leak more but if we don't have enough memory to allocate a // termination function we probably don't have to worry about this anyway. jsscx->SetTerminationFunction(TryClearWindowScope, static_cast(this)); return; } NotifyWindowIDDestroyed("inner-window-destroyed"); nsIScriptContext *scx = GetContextInternal(); if (scx) { scx->ClearScope(mJSObject, true); } } void nsGlobalWindow::FreeInnerObjects(bool aClearScope) { NS_ASSERTION(IsInnerWindow(), "Don't free inner objects on an outer window"); // Make sure that this is called before we null out the document and // other members that the window destroyed observers could // re-create. NotifyDOMWindowDestroyed(this); // Kill all of the workers for this window. nsIScriptContext *scx = GetContextInternal(); JSContext *cx = scx ? scx->GetNativeContext() : nsnull; mozilla::dom::workers::CancelWorkersForWindow(cx, this); // Close all IndexedDB databases for this window. indexedDB::IndexedDatabaseManager* idbManager = indexedDB::IndexedDatabaseManager::Get(); if (idbManager) { idbManager->AbortCloseDatabasesForWindow(this); } ClearAllTimeouts(); mChromeEventHandler = nsnull; if (mListenerManager) { mListenerManager->Disconnect(); mListenerManager = nsnull; } mLocation = nsnull; mHistory = nsnull; if (mNavigator) { mNavigator->Invalidate(); mNavigator = nsnull; } if (mDocument) { NS_ASSERTION(mDoc, "Why is mDoc null?"); // Remember the document's principal. mDocumentPrincipal = mDoc->NodePrincipal(); } #ifdef DEBUG if (mDocument) nsCycleCollector_DEBUG_shouldBeFreed(nsCOMPtr(do_QueryInterface(mDocument))); #endif // Remove our reference to the document and the document principal. mDocument = nsnull; mDoc = nsnull; if (mApplicationCache) { static_cast(mApplicationCache.get())->Disconnect(); mApplicationCache = nsnull; } mIndexedDB = nsnull; if (aClearScope) { ClearScopeWhenAllScriptsStop(); } if (mDummyJavaPluginOwner) { // Tear down the dummy java plugin. // XXXjst: On a general note, should windows with java stuff in // them ever even make it into the fast-back cache? mDummyJavaPluginOwner->Destroy(); mDummyJavaPluginOwner = nsnull; mDidInitJavaProperties = false; } CleanupCachedXBLHandlers(this); #ifdef DEBUG nsCycleCollector_DEBUG_shouldBeFreed(static_cast(this)); #endif } //***************************************************************************** // nsGlobalWindow::nsISupports //***************************************************************************** #define OUTER_WINDOW_ONLY \ if (IsOuterWindow()) { #define END_OUTER_WINDOW_ONLY \ foundInterface = 0; \ } else NS_IMPL_CYCLE_COLLECTION_CLASS(nsGlobalWindow) DOMCI_DATA(Window, nsGlobalWindow) // QueryInterface implementation for nsGlobalWindow NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsGlobalWindow) // Make sure this matches the cast in nsGlobalWindow::FromWrapper() NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIScriptGlobalObject) NS_INTERFACE_MAP_ENTRY(nsIDOMWindow) NS_INTERFACE_MAP_ENTRY(nsIDOMJSWindow) if (aIID.Equals(NS_GET_IID(nsIDOMWindowInternal))) { foundInterface = static_cast(this); if (!sWarnedAboutWindowInternal) { sWarnedAboutWindowInternal = true; nsContentUtils::ReportToConsole(nsIScriptError::warningFlag, "Extensions", mDoc, nsContentUtils::eDOM_PROPERTIES, "nsIDOMWindowInternalWarning"); } } else NS_INTERFACE_MAP_ENTRY(nsIScriptGlobalObject) NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal) NS_INTERFACE_MAP_ENTRY(nsIDOMEventTarget) NS_INTERFACE_MAP_ENTRY(nsPIDOMWindow) NS_INTERFACE_MAP_ENTRY(nsIDOMStorageIndexedDB) NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference) NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor) NS_INTERFACE_MAP_ENTRY(nsIDOMWindowPerformance) NS_INTERFACE_MAP_ENTRY(nsITouchEventReceiver) NS_INTERFACE_MAP_ENTRY(nsIInlineEventHandlers) NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(Window) OUTER_WINDOW_ONLY NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY END_OUTER_WINDOW_ONLY NS_INTERFACE_MAP_END NS_IMPL_CYCLE_COLLECTING_ADDREF(nsGlobalWindow) NS_IMPL_CYCLE_COLLECTING_RELEASE(nsGlobalWindow) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsGlobalWindow) if ((tmp->mDoc && nsCCUncollectableMarker::InGeneration( cb, tmp->mDoc->GetMarkedCCGeneration())) || (nsCCUncollectableMarker::sGeneration && tmp->IsBlack())) { return NS_SUCCESS_INTERRUPTED_TRAVERSE; } NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mContext) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mControllers) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mArguments) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mArgumentsLast) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mInnerWindowHolder) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mOuterWindow) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mOpenerScriptPrincipal) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NATIVE_MEMBER(mListenerManager, nsEventListenerManager) for (nsTimeout* timeout = tmp->FirstTimeout(); tmp->IsTimeout(timeout); timeout = timeout->Next()) { cb.NoteNativeChild(timeout, &NS_CYCLE_COLLECTION_NAME(nsTimeout)); } NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mSessionStorage) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mApplicationCache) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mDocumentPrincipal) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mDoc) // Traverse stuff from nsPIDOMWindow NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mChromeEventHandler) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mParentTarget) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mDocument) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mFrameElement) // Traverse mDummyJavaPluginOwner NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mDummyJavaPluginOwner) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mFocusedNode) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMARRAY(mPendingStorageEvents) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsGlobalWindow) nsGlobalWindow::CleanupCachedXBLHandlers(tmp); NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mContext) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mControllers) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mArguments) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mArgumentsLast) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mInnerWindowHolder) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mOuterWindow) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mOpenerScriptPrincipal) if (tmp->mListenerManager) { tmp->mListenerManager->Disconnect(); NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mListenerManager) } NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mSessionStorage) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mApplicationCache) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mDocumentPrincipal) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mDoc) // Unlink stuff from nsPIDOMWindow NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mChromeEventHandler) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mParentTarget) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mDocument) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mFrameElement) // Unlink mDummyJavaPluginOwner if (tmp->mDummyJavaPluginOwner) { tmp->mDummyJavaPluginOwner->Destroy(); NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mDummyJavaPluginOwner) tmp->mDidInitJavaProperties = false; } NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mFocusedNode) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMARRAY(mPendingStorageEvents) NS_IMPL_CYCLE_COLLECTION_UNLINK_END struct TraceData { TraceData(TraceCallback& aCallback, void* aClosure) : callback(aCallback), closure(aClosure) {} TraceCallback& callback; void* closure; }; static PLDHashOperator TraceXBLHandlers(const void* aKey, JSObject* aData, void* aClosure) { TraceData* data = static_cast(aClosure); data->callback(nsIProgrammingLanguage::JAVASCRIPT, aData, "Cached XBL prototype handler", data->closure); return PL_DHASH_NEXT; } NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(nsGlobalWindow) if (tmp->mCachedXBLPrototypeHandlers.IsInitialized()) { TraceData data(aCallback, aClosure); tmp->mCachedXBLPrototypeHandlers.EnumerateRead(TraceXBLHandlers, &data); } NS_IMPL_CYCLE_COLLECTION_TRACE_END //***************************************************************************** // nsGlobalWindow::nsIScriptGlobalObject //***************************************************************************** nsresult nsGlobalWindow::SetScriptContext(PRUint32 lang_id, nsIScriptContext *aScriptContext) { NS_ASSERTION(lang_id == nsIProgrammingLanguage::JAVASCRIPT, "We don't support this language ID"); NS_ASSERTION(IsOuterWindow(), "Uh, SetScriptContext() called on inner window!"); NS_ASSERTION(!aScriptContext || !mContext, "Bad call to SetContext()!"); if (aScriptContext) { // should probably assert the context is clean??? aScriptContext->WillInitializeContext(); nsresult rv = aScriptContext->InitContext(); NS_ENSURE_SUCCESS(rv, rv); if (IsFrame()) { // This window is a [i]frame, don't bother GC'ing when the // frame's context is destroyed since a GC will happen when the // frameset or host document is destroyed anyway. aScriptContext->SetGCOnDestruction(false); } } mContext = aScriptContext; return NS_OK; } nsresult nsGlobalWindow::EnsureScriptEnvironment(PRUint32 aLangID) { NS_ASSERTION(aLangID == nsIProgrammingLanguage::JAVASCRIPT, "We don't support this language ID"); FORWARD_TO_OUTER(EnsureScriptEnvironment, (aLangID), NS_ERROR_NOT_INITIALIZED); if (mJSObject) return NS_OK; NS_ASSERTION(!GetCurrentInnerWindowInternal(), "mJSObject is null, but we have an inner window?"); nsCOMPtr scriptRuntime; nsresult rv = NS_GetScriptRuntimeByID(aLangID, getter_AddRefs(scriptRuntime)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr context = scriptRuntime->CreateContext(); return SetScriptContext(aLangID, context); } nsIScriptContext * nsGlobalWindow::GetScriptContext(PRUint32 lang) { NS_ASSERTION(lang == nsIProgrammingLanguage::JAVASCRIPT, "We don't support this language ID"); FORWARD_TO_OUTER(GetScriptContext, (lang), nsnull); return mContext; } nsIScriptContext * nsGlobalWindow::GetContext() { FORWARD_TO_OUTER(GetContext, (), nsnull); // check GetContext is indeed identical to GetScriptContext() NS_ASSERTION(mContext == GetScriptContext(nsIProgrammingLanguage::JAVASCRIPT), "GetContext confused?"); return mContext; } JSObject * nsGlobalWindow::GetGlobalJSObject() { return FastGetGlobalJSObject(); } bool nsGlobalWindow::WouldReuseInnerWindow(nsIDocument *aNewDocument) { // We reuse the inner window when: // a. We are currently at our original document. // b. At least one of the following conditions are true: // -- We are not currently a content window (i.e., we're currently a chrome // window). // -- The new document is the same as the old document. This means that we're // getting called from document.open(). // -- The new document has the same origin as what we have loaded right now. if (!mDoc || !aNewDocument) { return false; } if (!mDoc->IsInitialDocument()) { return false; } NS_ASSERTION(NS_IsAboutBlank(mDoc->GetDocumentURI()), "How'd this happen?"); // Great, we're the original document, check for one of the other // conditions. if (mDoc == aNewDocument) { // aClearScopeHint is false. return true; } bool equal; if (NS_SUCCEEDED(mDoc->NodePrincipal()->Equals(aNewDocument->NodePrincipal(), &equal)) && equal) { // The origin is the same. return true; } nsCOMPtr treeItem(do_QueryInterface(mDocShell)); if (treeItem) { PRInt32 itemType = nsIDocShellTreeItem::typeContent; treeItem->GetItemType(&itemType); // If we're a chrome window, then we want to reuse the inner window. return itemType == nsIDocShellTreeItem::typeChrome; } // No treeItem: don't reuse the current inner window. return false; } void nsGlobalWindow::SetOpenerScriptPrincipal(nsIPrincipal* aPrincipal) { FORWARD_TO_OUTER_VOID(SetOpenerScriptPrincipal, (aPrincipal)); if (mDoc) { if (!mDoc->IsInitialDocument()) { // We have a document already, and it's not the original one. Bail out. // Do NOT set mOpenerScriptPrincipal in this case, just to be safe. return; } #ifdef DEBUG // We better have an about:blank document loaded at this point. Otherwise, // something is really weird. nsCOMPtr uri; mDoc->NodePrincipal()->GetURI(getter_AddRefs(uri)); NS_ASSERTION(uri && NS_IsAboutBlank(uri) && NS_IsAboutBlank(mDoc->GetDocumentURI()), "Unexpected original document"); #endif GetDocShell()->CreateAboutBlankContentViewer(aPrincipal); mDoc->SetIsInitialDocument(true); nsCOMPtr shell; GetDocShell()->GetPresShell(getter_AddRefs(shell)); if (shell && !shell->DidInitialReflow()) { // Ensure that if someone plays with this document they will get // layout happening. nsRect r = shell->GetPresContext()->GetVisibleArea(); shell->InitialReflow(r.width, r.height); } } } nsIPrincipal* nsGlobalWindow::GetOpenerScriptPrincipal() { FORWARD_TO_OUTER(GetOpenerScriptPrincipal, (), nsnull); return mOpenerScriptPrincipal; } PopupControlState PushPopupControlState(PopupControlState aState, bool aForce) { PopupControlState oldState = gPopupControlState; if (aState < gPopupControlState || aForce) { gPopupControlState = aState; } return oldState; } void PopPopupControlState(PopupControlState aState) { gPopupControlState = aState; } PopupControlState nsGlobalWindow::PushPopupControlState(PopupControlState aState, bool aForce) const { return ::PushPopupControlState(aState, aForce); } void nsGlobalWindow::PopPopupControlState(PopupControlState aState) const { ::PopPopupControlState(aState); } PopupControlState nsGlobalWindow::GetPopupControlState() const { return gPopupControlState; } #define WINDOWSTATEHOLDER_IID \ {0x0b917c3e, 0xbd50, 0x4683, {0xaf, 0xc9, 0xc7, 0x81, 0x07, 0xae, 0x33, 0x26}} class WindowStateHolder : public nsISupports { public: NS_DECLARE_STATIC_IID_ACCESSOR(WINDOWSTATEHOLDER_IID) NS_DECL_ISUPPORTS WindowStateHolder(nsGlobalWindow *aWindow, nsIXPConnectJSObjectHolder *aHolder, nsIXPConnectJSObjectHolder *aOuterProto, nsIXPConnectJSObjectHolder *aOuterRealProto); nsGlobalWindow* GetInnerWindow() { return mInnerWindow; } nsIXPConnectJSObjectHolder *GetInnerWindowHolder() { return mInnerWindowHolder; } nsIXPConnectJSObjectHolder* GetOuterProto() { return mOuterProto; } nsIXPConnectJSObjectHolder* GetOuterRealProto() { return mOuterRealProto; } void DidRestoreWindow() { mInnerWindow = nsnull; mInnerWindowHolder = nsnull; mOuterProto = nsnull; mOuterRealProto = nsnull; } protected: ~WindowStateHolder(); nsGlobalWindow *mInnerWindow; // We hold onto this to make sure the inner window doesn't go away. The outer // window ends up recalculating it anyway. nsCOMPtr mInnerWindowHolder; nsCOMPtr mOuterProto; nsCOMPtr mOuterRealProto; }; NS_DEFINE_STATIC_IID_ACCESSOR(WindowStateHolder, WINDOWSTATEHOLDER_IID) WindowStateHolder::WindowStateHolder(nsGlobalWindow *aWindow, nsIXPConnectJSObjectHolder *aHolder, nsIXPConnectJSObjectHolder *aOuterProto, nsIXPConnectJSObjectHolder *aOuterRealProto) : mInnerWindow(aWindow), mOuterProto(aOuterProto), mOuterRealProto(aOuterRealProto) { NS_PRECONDITION(aWindow, "null window"); NS_PRECONDITION(aWindow->IsInnerWindow(), "Saving an outer window"); mInnerWindowHolder = aHolder; aWindow->SuspendTimeouts(); } WindowStateHolder::~WindowStateHolder() { if (mInnerWindow) { // This window was left in the bfcache and is now going away. We need to // free it up. // Note that FreeInnerObjects may already have been called on the // inner window if its outer has already had SetDocShell(null) // called. In this case the contexts will all be null and the // true for aClearScope won't do anything; this is OK since // SetDocShell(null) already did it. mInnerWindow->FreeInnerObjects(true); } } NS_IMPL_ISUPPORTS1(WindowStateHolder, WindowStateHolder) struct ReparentWaiverClosure { JSContext *mCx; JSObject *mNewInner; }; static JSDHashOperator ReparentWaiverWrappers(JSDHashTable *table, JSDHashEntryHdr *hdr, uint32 number, void *arg) { ReparentWaiverClosure *closure = static_cast(arg); JSObject *value = static_cast(hdr)->value; // We reparent wrappers that have as their parent an inner window whose // outer has the new inner window as its current inner. JSObject *parent = JS_GetParent(closure->mCx, value); JSObject *outer = JS_ObjectToOuterObject(closure->mCx, parent); if (outer) { JSObject *inner = JS_ObjectToInnerObject(closure->mCx, outer); if (inner == closure->mNewInner && inner != parent) JS_SetParent(closure->mCx, value, closure->mNewInner); } else { JS_ClearPendingException(closure->mCx); } return JS_DHASH_NEXT; } nsresult nsGlobalWindow::SetNewDocument(nsIDocument* aDocument, nsISupports* aState, bool aForceReuseInnerWindow) { NS_TIME_FUNCTION; NS_PRECONDITION(mDocumentPrincipal == nsnull, "mDocumentPrincipal prematurely set!"); if (!aDocument) { NS_ERROR("SetNewDocument(null) called!"); return NS_ERROR_INVALID_ARG; } if (IsInnerWindow()) { if (!mOuterWindow) { return NS_ERROR_NOT_INITIALIZED; } // Refuse to set a new document if the call came from an inner // window that's not the current inner window. if (mOuterWindow->GetCurrentInnerWindow() != this) { return NS_ERROR_NOT_AVAILABLE; } return GetOuterWindowInternal()->SetNewDocument(aDocument, aState, aForceReuseInnerWindow); } NS_PRECONDITION(IsOuterWindow(), "Must only be called on outer windows"); if (IsFrozen()) { // This outer is now getting its first inner, thaw the outer now // that it's ready and is getting an inner window. Thaw(); } NS_ASSERTION(!GetCurrentInnerWindow() || GetCurrentInnerWindow()->GetExtantDocument() == mDocument, "Uh, mDocument doesn't match the current inner window " "document!"); bool wouldReuseInnerWindow = WouldReuseInnerWindow(aDocument); if (aForceReuseInnerWindow && !wouldReuseInnerWindow && mDoc && mDoc->NodePrincipal() != aDocument->NodePrincipal()) { NS_ERROR("Attempted forced inner window reuse while changing principal"); return NS_ERROR_UNEXPECTED; } nsCOMPtr oldDoc(do_QueryInterface(mDocument)); nsIScriptContext *scx = GetContextInternal(); NS_ENSURE_TRUE(scx, NS_ERROR_NOT_INITIALIZED); JSContext *cx = scx->GetNativeContext(); #ifndef MOZ_DISABLE_DOMCRYPTO // clear smartcard events, our document has gone away. if (mCrypto) { mCrypto->SetEnableSmartCardEvents(false); } #endif if (!mDocument) { // First document load. // Get our private root. If it is equal to us, then we need to // attach our global key bindings that handles browser scrolling // and other browser commands. nsIDOMWindow* privateRoot = nsGlobalWindow::GetPrivateRoot(); if (privateRoot == static_cast(this)) { nsCOMPtr xblService = do_GetService("@mozilla.org/xbl;1"); if (xblService) { xblService->AttachGlobalKeyHandler(mChromeEventHandler); } } } /* No mDocShell means we're already been partially closed down. When that happens, setting status isn't a big requirement, so don't. (Doesn't happen under normal circumstances, but bug 49615 describes a case.) */ nsContentUtils::AddScriptRunner( NS_NewRunnableMethod(this, &nsGlobalWindow::ClearStatus)); bool reUseInnerWindow = aForceReuseInnerWindow || wouldReuseInnerWindow; // Remember the old document's principal. nsIPrincipal *oldPrincipal = nsnull; if (oldDoc) { oldPrincipal = oldDoc->NodePrincipal(); } nsresult rv = NS_OK; // Set mDocument even if this is an outer window to avoid // having to *always* reach into the inner window to find the // document. mDocument = do_QueryInterface(aDocument); mDoc = aDocument; #ifdef DEBUG mLastOpenedURI = aDocument->GetDocumentURI(); #endif mContext->WillInitializeContext(); nsGlobalWindow *currentInner = GetCurrentInnerWindowInternal(); nsRefPtr newInnerWindow; bool thisChrome = IsChromeWindow(); bool isChrome = false; nsCxPusher cxPusher; if (!cxPusher.Push(cx)) { return NS_ERROR_FAILURE; } JSAutoRequest ar(cx); nsCOMPtr wsh = do_QueryInterface(aState); NS_ASSERTION(!aState || wsh, "What kind of weird state are you giving me here?"); // Make sure to clear scope on the outer window *before* we // initialize the new inner window. If we don't, things // (Object.prototype etc) could leak from the old outer to the new // inner scope. mContext->ClearScope(mJSObject, false); if (reUseInnerWindow) { // We're reusing the current inner window. NS_ASSERTION(!currentInner->IsFrozen(), "We should never be reusing a shared inner window"); newInnerWindow = currentInner; if (aDocument != oldDoc) { nsWindowSH::InvalidateGlobalScopePolluter(cx, currentInner->mJSObject); } // The API we're really looking for here is to go clear all of the // Xray wrappers associated with our outer window. However, we // don't expose that API because the implementation would be // identical to that of JS_TransplantObject, so we just call that // instead. if (!JS_TransplantObject(cx, mJSObject, mJSObject)) { return NS_ERROR_FAILURE; } } else { if (aState) { newInnerWindow = wsh->GetInnerWindow(); mInnerWindowHolder = wsh->GetInnerWindowHolder(); NS_ASSERTION(newInnerWindow, "Got a state without inner window"); } else if (thisChrome) { newInnerWindow = new nsGlobalChromeWindow(this); isChrome = true; } else if (mIsModalContentWindow) { newInnerWindow = new nsGlobalModalWindow(this); } else { newInnerWindow = new nsGlobalWindow(this); } if (!aState) { // This is redundant if we're restoring from a previous inner window. nsIScriptGlobalObject *sgo = (nsIScriptGlobalObject *)newInnerWindow.get(); // Freeze the outer window and null out the inner window so // that initializing classes on the new inner doesn't end up // reaching into the old inner window for classes etc. // // [This happens with Object.prototype when XPConnect creates // a temporary global while initializing classes; the reason // being that xpconnect creates the temp global w/o a parent // and proto, which makes the JS engine look up classes in // cx->globalObject, i.e. this outer window]. mInnerWindow = nsnull; Freeze(); mCreatingInnerWindow = true; // Every script context we are initialized with must create a // new global. nsCOMPtr &holder = mInnerWindowHolder; rv = mContext->CreateNativeGlobalForInner(sgo, isChrome, aDocument->NodePrincipal(), &newInnerWindow->mJSObject, getter_AddRefs(holder)); NS_ASSERTION(NS_SUCCEEDED(rv) && newInnerWindow->mJSObject && holder, "Failed to get script global and holder"); mCreatingInnerWindow = false; Thaw(); NS_ENSURE_SUCCESS(rv, rv); } if (currentInner && currentInner->mJSObject) { bool termFuncSet = false; if (oldDoc == aDocument) { // Move the navigator from the old inner window to the new one since // this is a document.write. This is safe from a same-origin point of // view because document.write can only be used by the same origin. newInnerWindow->mNavigator = currentInner->mNavigator; currentInner->mNavigator = nsnull; if (newInnerWindow->mNavigator) { newInnerWindow->mNavigator->SetWindow(newInnerWindow); } // Suspend the current context's request before Pop() resumes the old // context's request. JSAutoSuspendRequest asr(cx); // Pop our context here so that we get the correct one for the // termination function. cxPusher.Pop(); JSContext *oldCx = nsContentUtils::GetCurrentJSContext(); nsIScriptContext *callerScx; if (oldCx && (callerScx = GetScriptContextFromJSContext(oldCx))) { // We're called from document.open() (and document.open() is // called from JS), clear the scope etc in a termination // function on the calling context to prevent clearing the // calling scope. NS_ASSERTION(!currentInner->IsFrozen(), "How does this opened window get into session history"); JSAutoRequest ar(oldCx); callerScx->SetTerminationFunction(ClearWindowScope, static_cast (currentInner)); termFuncSet = true; } // Re-push our context. cxPusher.Push(cx); } // Don't clear scope on our current inner window if it's going to be // held in the bfcache. if (!currentInner->IsFrozen()) { // Skip the ClearScope if we set a termination function to do // it ourselves, later. currentInner->FreeInnerObjects(!termFuncSet); } } mInnerWindow = newInnerWindow; if (!mJSObject) { mContext->CreateOuterObject(this, newInnerWindow); mContext->DidInitializeContext(); mJSObject = mContext->GetNativeGlobal(); SetWrapper(mJSObject); } else { JSObject *outerObject = NS_NewOuterWindowProxy(cx, newInnerWindow->mJSObject); if (!outerObject) { NS_ERROR("out of memory"); return NS_ERROR_FAILURE; } js::SetProxyExtra(mJSObject, 0, js::PrivateValue(NULL)); outerObject = JS_TransplantObject(cx, mJSObject, outerObject); if (!outerObject) { NS_ERROR("unable to transplant wrappers, probably OOM"); return NS_ERROR_FAILURE; } nsIScriptGlobalObject *global = static_cast(this); js::SetProxyExtra(outerObject, 0, js::PrivateValue(global)); mJSObject = outerObject; SetWrapper(mJSObject); { JSAutoEnterCompartment ac; if (!ac.enter(cx, mJSObject)) { NS_ERROR("unable to enter a compartment"); return NS_ERROR_FAILURE; } JS_SetParent(cx, mJSObject, newInnerWindow->mJSObject); mContext->SetOuterObject(mJSObject); JSCompartment *compartment = js::GetObjectCompartment(mJSObject); xpc::CompartmentPrivate *priv = static_cast(JS_GetCompartmentPrivate(cx, compartment)); if (priv && priv->waiverWrapperMap) { NS_ASSERTION(!JS_IsExceptionPending(cx), "We might overwrite a pending exception!"); ReparentWaiverClosure closure = { cx, newInnerWindow->mJSObject }; priv->waiverWrapperMap->Enumerate(ReparentWaiverWrappers, &closure); } } } JSAutoEnterCompartment ac; if (!ac.enter(cx, mJSObject)) { NS_ERROR("unable to enter a compartment"); return NS_ERROR_FAILURE; } // XXX Not sure if this is needed. if (aState) { JSObject *proto; if (nsIXPConnectJSObjectHolder *holder = wsh->GetOuterRealProto()) { holder->GetJSObject(&proto); } else { proto = nsnull; } if (!JS_SetPrototype(cx, mJSObject, proto)) { NS_ERROR("can't set prototype"); return NS_ERROR_FAILURE; } } else { if (!JS_DefineProperty(cx, newInnerWindow->mJSObject, "window", OBJECT_TO_JSVAL(mJSObject), JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE | JSPROP_READONLY | JSPROP_PERMANENT)) { NS_ERROR("can't create the 'window' property"); return NS_ERROR_FAILURE; } } } JSAutoEnterCompartment ac; if (!ac.enter(cx, mJSObject)) { NS_ERROR("unable to enter a compartment"); return NS_ERROR_FAILURE; } if (!aState && !reUseInnerWindow) { // Loading a new page and creating a new inner window, *not* // restoring from session history. // Now that both the the inner and outer windows are initialized // let the script context do its magic to hook them together. mContext->ConnectToInner(newInnerWindow, mJSObject); nsCOMPtr frame = do_QueryInterface(GetFrameElementInternal()); if (frame && frame->OwnerDoc()) { nsPIDOMWindow* parentWindow = frame->OwnerDoc()->GetWindow(); if (parentWindow && parentWindow->TimeoutSuspendCount()) { SuspendTimeouts(parentWindow->TimeoutSuspendCount()); } } } // Add an extra ref in case we release mContext during GC. nsCOMPtr kungFuDeathGrip(mContext); // Now that the prototype is all set up, install the global scope // polluter. This must happen after the above prototype fixup. If // the GSP was to be installed on the inner window's real // prototype (as it would be if this was done before the prototype // fixup above) we would end up holding the GSP alive (through // XPConnect's internal marking of wrapper prototypes) as long as // the inner window was around, and if the GSP had properties on // it that held an element alive we'd hold the document alive, // which could hold event handlers alive, which hold the context // alive etc. if ((!reUseInnerWindow || aDocument != oldDoc) && !aState) { nsCOMPtr html_doc(do_QueryInterface(mDocument)); nsWindowSH::InstallGlobalScopePolluter(cx, newInnerWindow->mJSObject, html_doc); } if (aDocument) { aDocument->SetScriptGlobalObject(newInnerWindow); } if (!aState) { if (reUseInnerWindow) { if (newInnerWindow->mDoc != aDocument) { newInnerWindow->mDocument = do_QueryInterface(aDocument); newInnerWindow->mDoc = aDocument; // We're reusing the inner window for a new document. In this // case we don't clear the inner window's scope, but we must // make sure the cached document property gets updated. // XXXmarkh - tell other languages about this? ::JS_DeleteProperty(cx, currentInner->mJSObject, "document"); if (mDummyJavaPluginOwner) { // Since we're reusing the inner window, tear down the // dummy Java plugin we created for the old document in // this window. mDummyJavaPluginOwner->Destroy(); mDummyJavaPluginOwner = nsnull; mDidInitJavaProperties = false; } } } else { rv = newInnerWindow->InnerSetNewDocument(aDocument); NS_ENSURE_SUCCESS(rv, rv); // Initialize DOM classes etc on the inner window. rv = mContext->InitClasses(newInnerWindow->mJSObject); NS_ENSURE_SUCCESS(rv, rv); } if (mArguments) { newInnerWindow->DefineArgumentsProperty(mArguments); newInnerWindow->mArguments = mArguments; newInnerWindow->mArgumentsOrigin = mArgumentsOrigin; mArguments = nsnull; mArgumentsOrigin = nsnull; } // Give the new inner window our chrome event handler (since it // doesn't have one). newInnerWindow->mChromeEventHandler = mChromeEventHandler; } mContext->GC(); mContext->DidInitializeContext(); if (newInnerWindow && !newInnerWindow->mHasNotifiedGlobalCreated && mDoc) { // We should probably notify. However if this is the, arguably bad, // situation when we're creating a temporary non-chrome-about-blank // document in a chrome docshell, don't notify just yet. Instead wait // until we have a real chrome doc. nsCOMPtr treeItem(do_QueryInterface(mDocShell)); PRInt32 itemType = nsIDocShellTreeItem::typeContent; if (treeItem) { treeItem->GetItemType(&itemType); } if (itemType != nsIDocShellTreeItem::typeChrome || nsContentUtils::IsSystemPrincipal(mDoc->NodePrincipal())) { newInnerWindow->mHasNotifiedGlobalCreated = true; nsContentUtils::AddScriptRunner( NS_NewRunnableMethod(this, &nsGlobalWindow::DispatchDOMWindowCreated)); } } return NS_OK; } void nsGlobalWindow::DispatchDOMWindowCreated() { if (!mDoc || !mDocument) { return; } // Fire DOMWindowCreated at chrome event listeners nsContentUtils::DispatchChromeEvent(mDoc, mDocument, NS_LITERAL_STRING("DOMWindowCreated"), true /* bubbles */, false /* not cancellable */); nsCOMPtr observerService = mozilla::services::GetObserverService(); if (observerService) { nsAutoString origin; nsIPrincipal* principal = mDoc->NodePrincipal(); nsContentUtils::GetUTFOrigin(principal, origin); observerService-> NotifyObservers(static_cast(this), nsContentUtils::IsSystemPrincipal(principal) ? "chrome-document-global-created" : "content-document-global-created", origin.get()); } } void nsGlobalWindow::ClearStatus() { SetStatus(EmptyString()); SetDefaultStatus(EmptyString()); } nsresult nsGlobalWindow::InnerSetNewDocument(nsIDocument* aDocument) { NS_PRECONDITION(IsInnerWindow(), "Must only be called on inner windows"); #ifdef PR_LOGGING if (aDocument && gDOMLeakPRLog && PR_LOG_TEST(gDOMLeakPRLog, PR_LOG_DEBUG)) { nsIURI *uri = aDocument->GetDocumentURI(); nsCAutoString spec; if (uri) uri->GetSpec(spec); PR_LogPrint("DOMWINDOW %p SetNewDocument %s", this, spec.get()); } #endif mDocument = do_QueryInterface(aDocument); mDoc = aDocument; mLocalStorage = nsnull; mSessionStorage = nsnull; #ifdef DEBUG mLastOpenedURI = aDocument->GetDocumentURI(); #endif Telemetry::Accumulate(Telemetry::INNERWINDOWS_WITH_MUTATION_LISTENERS, mMutationBits ? 1 : 0); // Clear our mutation bitfield. mMutationBits = 0; return NS_OK; } void nsGlobalWindow::SetDocShell(nsIDocShell* aDocShell) { NS_ASSERTION(IsOuterWindow(), "Uh, SetDocShell() called on inner window!"); if (aDocShell == mDocShell) return; // SetDocShell(nsnull) means the window is being torn down. Drop our // reference to the script context, allowing it to be deleted // later. Meanwhile, keep our weak reference to the script object // (mJSObject) so that it can be retrieved later (until it is // finalized by the JS GC). if (!aDocShell) { NS_ASSERTION(PR_CLIST_IS_EMPTY(&mTimeouts), "Uh, outer window holds timeouts!"); // Call FreeInnerObjects on all inner windows, not just the current // one, since some could be held by WindowStateHolder objects that // are GC-owned. for (nsRefPtr inner = (nsGlobalWindow *)PR_LIST_HEAD(this); inner != this; inner = (nsGlobalWindow*)PR_NEXT_LINK(inner)) { NS_ASSERTION(!inner->mOuterWindow || inner->mOuterWindow == this, "bad outer window pointer"); inner->FreeInnerObjects(true); } // Make sure that this is called before we null out the document. NotifyDOMWindowDestroyed(this); NotifyWindowIDDestroyed("outer-window-destroyed"); nsGlobalWindow *currentInner = GetCurrentInnerWindowInternal(); if (currentInner) { NS_ASSERTION(mDoc, "Must have doc!"); // Remember the document's principal. mDocumentPrincipal = mDoc->NodePrincipal(); // Release our document reference mDocument = nsnull; mDoc = nsnull; } if (mContext) { mContext->ClearScope(mJSObject, true); } ClearControllers(); mChromeEventHandler = nsnull; // force release now if (mArguments) { // We got no new document after someone called // SetArguments(), drop our reference to the arguments. mArguments = nsnull; mArgumentsLast = nsnull; mArgumentsOrigin = nsnull; } if (mContext) { mContext->GC(); mContext->FinalizeContext(); mContext = nsnull; } #ifdef DEBUG nsCycleCollector_DEBUG_shouldBeFreed(mContext); nsCycleCollector_DEBUG_shouldBeFreed(static_cast(this)); #endif } mDocShell = aDocShell; // Weak Reference NS_ASSERTION(!mNavigator, "Non-null mNavigator in outer window!"); if (mFrames) mFrames->SetDocShell(aDocShell); if (mScreen) mScreen->SetDocShell(aDocShell); if (!mDocShell) { MaybeForgiveSpamCount(); CleanUp(false); } else { // Get our enclosing chrome shell and retrieve its global window impl, so // that we can do some forwarding to the chrome document. nsCOMPtr chromeEventHandler; mDocShell->GetChromeEventHandler(getter_AddRefs(chromeEventHandler)); mChromeEventHandler = do_QueryInterface(chromeEventHandler); if (!mChromeEventHandler) { // We have no chrome event handler. If we have a parent, // get our chrome event handler from the parent. If // we don't have a parent, then we need to make a new // window root object that will function as a chrome event // handler and receive all events that occur anywhere inside // our window. nsCOMPtr parentWindow; GetParent(getter_AddRefs(parentWindow)); if (parentWindow.get() != static_cast(this)) { nsCOMPtr piWindow(do_QueryInterface(parentWindow)); mChromeEventHandler = piWindow->GetChromeEventHandler(); } else NS_NewWindowRoot(this, getter_AddRefs(mChromeEventHandler)); } bool docShellActive; mDocShell->GetIsActive(&docShellActive); mIsBackground = !docShellActive; } } void nsGlobalWindow::SetOpenerWindow(nsIDOMWindow* aOpener, bool aOriginalOpener) { FORWARD_TO_OUTER_VOID(SetOpenerWindow, (aOpener, aOriginalOpener)); NS_ASSERTION(!aOriginalOpener || !mSetOpenerWindowCalled, "aOriginalOpener is true, but not first call to " "SetOpenerWindow!"); NS_ASSERTION(aOpener || !aOriginalOpener, "Shouldn't set mHadOriginalOpener if aOpener is null"); mOpener = do_GetWeakReference(aOpener); NS_ASSERTION(mOpener || !aOpener, "Opener must support weak references!"); if (aOriginalOpener) { mHadOriginalOpener = true; } #ifdef DEBUG mSetOpenerWindowCalled = true; #endif } void nsGlobalWindow::UpdateParentTarget() { nsCOMPtr flo = do_QueryInterface(mChromeEventHandler); if (flo) { nsRefPtr fl = flo->GetFrameLoader(); if (fl) { mParentTarget = fl->GetTabChildGlobalAsEventTarget(); } } if (!mParentTarget) { mParentTarget = mChromeEventHandler; } } bool nsGlobalWindow::GetIsTabModalPromptAllowed() { bool allowTabModal = true; if (mDocShell) { nsCOMPtr cv; mDocShell->GetContentViewer(getter_AddRefs(cv)); cv->GetIsTabModalPromptAllowed(&allowTabModal); } return allowTabModal; } nsIDOMEventTarget* nsGlobalWindow::GetTargetForDOMEvent() { return static_cast(GetOuterWindowInternal()); } nsIDOMEventTarget* nsGlobalWindow::GetTargetForEventTargetChain() { return IsInnerWindow() ? this : static_cast(GetCurrentInnerWindowInternal()); } nsresult nsGlobalWindow::WillHandleEvent(nsEventChainPostVisitor& aVisitor) { return NS_OK; } JSContext* nsGlobalWindow::GetJSContextForEventHandlers() { return nsnull; } nsresult nsGlobalWindow::PreHandleEvent(nsEventChainPreVisitor& aVisitor) { NS_PRECONDITION(IsInnerWindow(), "PreHandleEvent is used on outer window!?"); static PRUint32 count = 0; PRUint32 msg = aVisitor.mEvent->message; aVisitor.mCanHandle = true; aVisitor.mForceContentDispatch = true; //FIXME! Bug 329119 if ((msg == NS_MOUSE_MOVE) && gEntropyCollector) { //Chances are this counter will overflow during the life of the //process, but that's OK for our case. Means we get a little //more entropy. if (count++ % 100 == 0) { //Since the high bits seem to be zero's most of the time, //let's only take the lowest half of the point structure. PRInt16 myCoord[2]; myCoord[0] = aVisitor.mEvent->refPoint.x; myCoord[1] = aVisitor.mEvent->refPoint.y; gEntropyCollector->RandomUpdate((void*)myCoord, sizeof(myCoord)); gEntropyCollector->RandomUpdate((void*)&(aVisitor.mEvent->time), sizeof(PRUint32)); } } else if (msg == NS_RESIZE_EVENT) { mIsHandlingResizeEvent = true; } else if (msg == NS_MOUSE_BUTTON_DOWN && NS_IS_TRUSTED_EVENT(aVisitor.mEvent)) { gMouseDown = true; } else if ((msg == NS_MOUSE_BUTTON_UP || msg == NS_DRAGDROP_END) && NS_IS_TRUSTED_EVENT(aVisitor.mEvent)) { gMouseDown = false; if (gDragServiceDisabled) { nsCOMPtr ds = do_GetService("@mozilla.org/widget/dragservice;1"); if (ds) { gDragServiceDisabled = false; ds->Unsuppress(); } } } aVisitor.mParentTarget = GetParentTarget(); return NS_OK; } bool nsGlobalWindow::DialogOpenAttempted() { nsGlobalWindow *topWindow = GetTop(); if (!topWindow) { NS_ERROR("DialogOpenAttempted() called without a top window?"); return false; } topWindow = topWindow->GetCurrentInnerWindowInternal(); if (!topWindow || topWindow->mLastDialogQuitTime.IsNull() || nsContentUtils::CallerHasUniversalXPConnect()) { return false; } TimeDuration dialogDuration(TimeStamp::Now() - topWindow->mLastDialogQuitTime); if (dialogDuration.ToSeconds() < Preferences::GetInt("dom.successive_dialog_time_limit", SUCCESSIVE_DIALOG_TIME_LIMIT)) { topWindow->mDialogAbuseCount++; return (topWindow->GetPopupControlState() > openAllowed || topWindow->mDialogAbuseCount > MAX_DIALOG_COUNT); } topWindow->mDialogAbuseCount = 0; return false; } bool nsGlobalWindow::AreDialogsBlocked() { nsGlobalWindow *topWindow = GetTop(); if (!topWindow) { NS_ASSERTION(!mDocShell, "AreDialogsBlocked() called without a top window?"); return true; } topWindow = topWindow->GetCurrentInnerWindowInternal(); return !topWindow || (topWindow->mDialogDisabled && (topWindow->GetPopupControlState() > openAllowed || topWindow->mDialogAbuseCount >= MAX_DIALOG_COUNT)); } bool nsGlobalWindow::ConfirmDialogAllowed() { FORWARD_TO_OUTER(ConfirmDialogAllowed, (), false); NS_ENSURE_TRUE(mDocShell, false); nsCOMPtr promptSvc = do_GetService("@mozilla.org/embedcomp/prompt-service;1"); if (!DialogOpenAttempted() || !promptSvc) { return true; } // Reset popup state while opening a modal dialog, and firing events // about the dialog, to prevent the current state from being active // the whole time a modal dialog is open. nsAutoPopupStatePusher popupStatePusher(openAbused, true); bool disableDialog = false; nsXPIDLString label, title; nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES, "ScriptDialogLabel", label); nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES, "ScriptDialogPreventTitle", title); promptSvc->Confirm(this, title.get(), label.get(), &disableDialog); if (disableDialog) { PreventFurtherDialogs(); return false; } return true; } void nsGlobalWindow::PreventFurtherDialogs() { nsGlobalWindow *topWindow = GetTop(); if (!topWindow) { NS_ERROR("PreventFurtherDialogs() called without a top window?"); return; } topWindow = topWindow->GetCurrentInnerWindowInternal(); if (topWindow) topWindow->mDialogDisabled = true; } nsresult nsGlobalWindow::PostHandleEvent(nsEventChainPostVisitor& aVisitor) { NS_PRECONDITION(IsInnerWindow(), "PostHandleEvent is used on outer window!?"); // Return early if there is nothing to do. switch (aVisitor.mEvent->message) { case NS_RESIZE_EVENT: case NS_PAGE_UNLOAD: case NS_LOAD: break; default: return NS_OK; } /* mChromeEventHandler and mContext go dangling in the middle of this function under some circumstances (events that destroy the window) without this addref. */ nsCOMPtr kungFuDeathGrip1(mChromeEventHandler); nsCOMPtr kungFuDeathGrip2(GetContextInternal()); if (aVisitor.mEvent->message == NS_RESIZE_EVENT) { mIsHandlingResizeEvent = false; } else if (aVisitor.mEvent->message == NS_PAGE_UNLOAD && NS_IS_TRUSTED_EVENT(aVisitor.mEvent)) { // Execute bindingdetached handlers before we tear ourselves // down. if (mDocument) { NS_ASSERTION(mDoc, "Must have doc"); mDoc->BindingManager()->ExecuteDetachedHandlers(); } mIsDocumentLoaded = false; } else if (aVisitor.mEvent->message == NS_LOAD && NS_IS_TRUSTED_EVENT(aVisitor.mEvent)) { // This is page load event since load events don't propagate to |window|. // @see nsDocument::PreHandleEvent. mIsDocumentLoaded = true; nsCOMPtr content(do_QueryInterface(GetFrameElementInternal())); nsCOMPtr treeItem = do_QueryInterface(GetDocShell()); PRInt32 itemType = nsIDocShellTreeItem::typeChrome; if (treeItem) { treeItem->GetItemType(&itemType); } if (content && GetParentInternal() && itemType != nsIDocShellTreeItem::typeChrome) { // If we're not in chrome, or at a chrome boundary, fire the // onload event for the frame element. nsEventStatus status = nsEventStatus_eIgnore; nsEvent event(NS_IS_TRUSTED_EVENT(aVisitor.mEvent), NS_LOAD); event.flags |= NS_EVENT_FLAG_CANT_BUBBLE; // Most of the time we could get a pres context to pass in here, // but not always (i.e. if this window is not shown there won't // be a pres context available). Since we're not firing a GUI // event we don't need a pres context anyway so we just pass // null as the pres context all the time here. nsEventDispatcher::Dispatch(content, nsnull, &event, nsnull, &status); } } return NS_OK; } nsresult nsGlobalWindow::DispatchDOMEvent(nsEvent* aEvent, nsIDOMEvent* aDOMEvent, nsPresContext* aPresContext, nsEventStatus* aEventStatus) { return nsEventDispatcher::DispatchDOMEvent(static_cast(this), aEvent, aDOMEvent, aPresContext, aEventStatus); } void nsGlobalWindow::OnFinalize(JSObject* aObject) { if (aObject == mJSObject) { mJSObject = NULL; } } void nsGlobalWindow::SetScriptsEnabled(bool aEnabled, bool aFireTimeouts) { FORWARD_TO_INNER_VOID(SetScriptsEnabled, (aEnabled, aFireTimeouts)); if (aEnabled && aFireTimeouts) { // Scripts are enabled (again?) on this context, run timeouts that // fired on this context while scripts were disabled. void (nsGlobalWindow::*run)() = &nsGlobalWindow::RunTimeout; NS_DispatchToCurrentThread(NS_NewRunnableMethod(this, run)); } } nsresult nsGlobalWindow::SetArguments(nsIArray *aArguments, nsIPrincipal *aOrigin) { FORWARD_TO_OUTER(SetArguments, (aArguments, aOrigin), NS_ERROR_NOT_INITIALIZED); // Hold on to the arguments so that we can re-set them once the next // document is loaded. mArguments = aArguments; mArgumentsOrigin = aOrigin; nsGlobalWindow *currentInner = GetCurrentInnerWindowInternal(); if (!mIsModalContentWindow) { mArgumentsLast = aArguments; } else if (currentInner) { // SetArguments() is being called on a modal content window that // already has an inner window. This can happen when loading // javascript: URIs as modal content dialogs. In this case, we'll // set up the dialog window, both inner and outer, before we call // SetArguments() on the window, so to deal with that, make sure // here that the arguments are propagated to the inner window. currentInner->mArguments = aArguments; currentInner->mArgumentsOrigin = aOrigin; } return currentInner ? currentInner->DefineArgumentsProperty(aArguments) : NS_OK; } nsresult nsGlobalWindow::DefineArgumentsProperty(nsIArray *aArguments) { JSContext *cx; nsIScriptContext *ctx = GetOuterWindowInternal()->mContext; NS_ENSURE_TRUE(aArguments && ctx && (cx = ctx->GetNativeContext()), NS_ERROR_NOT_INITIALIZED); if (mIsModalContentWindow) { // Modal content windows don't have an "arguments" property, they // have a "dialogArguments" property which is handled // separately. See nsWindowSH::NewResolve(). return NS_OK; } return GetContextInternal()->SetProperty(mJSObject, "arguments", aArguments); } //***************************************************************************** // nsGlobalWindow::nsIScriptObjectPrincipal //***************************************************************************** nsIPrincipal* nsGlobalWindow::GetPrincipal() { if (mDoc) { // If we have a document, get the principal from the document return mDoc->NodePrincipal(); } if (mDocumentPrincipal) { return mDocumentPrincipal; } // If we don't have a principal and we don't have a document we // ask the parent window for the principal. This can happen when // loading a frameset that has a , in // that case the global window is used in JS before we've loaded // a document into the window. nsCOMPtr objPrincipal = do_QueryInterface(GetParentInternal()); if (objPrincipal) { return objPrincipal->GetPrincipal(); } return nsnull; } //***************************************************************************** // nsGlobalWindow::nsIDOMWindow //***************************************************************************** NS_IMETHODIMP nsGlobalWindow::GetDocument(nsIDOMDocument** aDocument) { // This method *should* forward calls to the outer window, but since // there's nothing here that *depends* on anything in the outer // (GetDocShell() eliminates that dependency), we won't do that to // avoid the extra virtual function call. // lazily instantiate an about:blank document if necessary, and if // we have what it takes to do so. Note that domdoc here is the same // thing as our mDocument, but we don't have to explicitly set the // member variable because the docshell has already called // SetNewDocument(). nsIDocShell *docShell; if (!mDocument && (docShell = GetDocShell())) nsCOMPtr domdoc(do_GetInterface(docShell)); NS_IF_ADDREF(*aDocument = mDocument); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetWindow(nsIDOMWindow** aWindow) { FORWARD_TO_OUTER(GetWindow, (aWindow), NS_ERROR_NOT_INITIALIZED); *aWindow = static_cast(this); NS_ADDREF(*aWindow); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetSelf(nsIDOMWindow** aWindow) { FORWARD_TO_OUTER(GetSelf, (aWindow), NS_ERROR_NOT_INITIALIZED); *aWindow = static_cast(this); NS_ADDREF(*aWindow); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetNavigator(nsIDOMNavigator** aNavigator) { FORWARD_TO_INNER(GetNavigator, (aNavigator), NS_ERROR_NOT_INITIALIZED); *aNavigator = nsnull; if (!mNavigator) { mNavigator = new Navigator(this); } NS_ADDREF(*aNavigator = mNavigator); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetScreen(nsIDOMScreen** aScreen) { FORWARD_TO_OUTER(GetScreen, (aScreen), NS_ERROR_NOT_INITIALIZED); *aScreen = nsnull; if (!mScreen && mDocShell) { mScreen = new nsScreen(mDocShell); if (!mScreen) { return NS_ERROR_OUT_OF_MEMORY; } } NS_IF_ADDREF(*aScreen = mScreen); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetHistory(nsIDOMHistory** aHistory) { FORWARD_TO_INNER(GetHistory, (aHistory), NS_ERROR_NOT_INITIALIZED); *aHistory = nsnull; if (!mHistory) { mHistory = new nsHistory(this); if (!mHistory) { return NS_ERROR_OUT_OF_MEMORY; } } NS_IF_ADDREF(*aHistory = mHistory); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetPerformance(nsIDOMPerformance** aPerformance) { FORWARD_TO_INNER(GetPerformance, (aPerformance), NS_ERROR_NOT_INITIALIZED); *aPerformance = nsnull; if (nsGlobalWindow::HasPerformanceSupport()) { if (!mPerformance) { if (!mDoc) { return NS_OK; } nsRefPtr timing = mDoc->GetNavigationTiming(); nsCOMPtr timedChannel(do_QueryInterface(mDoc->GetChannel())); bool timingEnabled = false; if (!timedChannel || !NS_SUCCEEDED(timedChannel->GetTimingEnabled(&timingEnabled)) || !timingEnabled) { timedChannel = nsnull; } if (timing) { mPerformance = new nsPerformance(timing, timedChannel); } } NS_IF_ADDREF(*aPerformance = mPerformance); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetParent(nsIDOMWindow** aParent) { FORWARD_TO_OUTER(GetParent, (aParent), NS_ERROR_NOT_INITIALIZED); *aParent = nsnull; if (!mDocShell) return NS_OK; nsCOMPtr docShellAsItem(do_QueryInterface(mDocShell)); NS_ENSURE_TRUE(docShellAsItem, NS_ERROR_FAILURE); nsCOMPtr parent; docShellAsItem->GetSameTypeParent(getter_AddRefs(parent)); if (parent) { nsCOMPtr globalObject(do_GetInterface(parent)); NS_ENSURE_SUCCESS(CallQueryInterface(globalObject.get(), aParent), NS_ERROR_FAILURE); } else { *aParent = static_cast(this); NS_ADDREF(*aParent); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetTop(nsIDOMWindow** aTop) { FORWARD_TO_OUTER(GetTop, (aTop), NS_ERROR_NOT_INITIALIZED); *aTop = nsnull; if (mDocShell) { nsCOMPtr docShellAsItem(do_QueryInterface(mDocShell)); nsCOMPtr root; docShellAsItem->GetSameTypeRootTreeItem(getter_AddRefs(root)); if (root) { nsCOMPtr top(do_GetInterface(root)); top.swap(*aTop); } } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetContent(nsIDOMWindow** aContent) { FORWARD_TO_OUTER(GetContent, (aContent), NS_ERROR_NOT_INITIALIZED); *aContent = nsnull; nsCOMPtr primaryContent; if (!nsContentUtils::IsCallerChrome()) { // If we're called by non-chrome code, make sure we don't return // the primary content window if the calling tab is hidden. In // such a case we return the same-type root in the hidden tab, // which is "good enough", for now. nsCOMPtr baseWin(do_QueryInterface(mDocShell)); if (baseWin) { bool visible = false; baseWin->GetVisibility(&visible); if (!visible) { nsCOMPtr treeItem(do_QueryInterface(mDocShell)); treeItem->GetSameTypeRootTreeItem(getter_AddRefs(primaryContent)); } } } if (!primaryContent) { nsCOMPtr treeOwner; GetTreeOwner(getter_AddRefs(treeOwner)); NS_ENSURE_TRUE(treeOwner, NS_ERROR_FAILURE); treeOwner->GetPrimaryContentShell(getter_AddRefs(primaryContent)); } nsCOMPtr domWindow(do_GetInterface(primaryContent)); NS_IF_ADDREF(*aContent = domWindow); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetPrompter(nsIPrompt** aPrompt) { FORWARD_TO_OUTER(GetPrompter, (aPrompt), NS_ERROR_NOT_INITIALIZED); if (!mDocShell) return NS_ERROR_FAILURE; nsCOMPtr prompter(do_GetInterface(mDocShell)); NS_ENSURE_TRUE(prompter, NS_ERROR_NO_INTERFACE); NS_ADDREF(*aPrompt = prompter); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetMenubar(nsIDOMBarProp** aMenubar) { FORWARD_TO_OUTER(GetMenubar, (aMenubar), NS_ERROR_NOT_INITIALIZED); *aMenubar = nsnull; if (!mMenubar) { mMenubar = new nsMenubarProp(this); if (!mMenubar) { return NS_ERROR_OUT_OF_MEMORY; } } NS_ADDREF(*aMenubar = mMenubar); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetToolbar(nsIDOMBarProp** aToolbar) { FORWARD_TO_OUTER(GetToolbar, (aToolbar), NS_ERROR_NOT_INITIALIZED); *aToolbar = nsnull; if (!mToolbar) { mToolbar = new nsToolbarProp(this); if (!mToolbar) { return NS_ERROR_OUT_OF_MEMORY; } } NS_ADDREF(*aToolbar = mToolbar); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetLocationbar(nsIDOMBarProp** aLocationbar) { FORWARD_TO_OUTER(GetLocationbar, (aLocationbar), NS_ERROR_NOT_INITIALIZED); *aLocationbar = nsnull; if (!mLocationbar) { mLocationbar = new nsLocationbarProp(this); if (!mLocationbar) { return NS_ERROR_OUT_OF_MEMORY; } } NS_ADDREF(*aLocationbar = mLocationbar); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetPersonalbar(nsIDOMBarProp** aPersonalbar) { FORWARD_TO_OUTER(GetPersonalbar, (aPersonalbar), NS_ERROR_NOT_INITIALIZED); *aPersonalbar = nsnull; if (!mPersonalbar) { mPersonalbar = new nsPersonalbarProp(this); if (!mPersonalbar) { return NS_ERROR_OUT_OF_MEMORY; } } NS_ADDREF(*aPersonalbar = mPersonalbar); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetStatusbar(nsIDOMBarProp** aStatusbar) { FORWARD_TO_OUTER(GetStatusbar, (aStatusbar), NS_ERROR_NOT_INITIALIZED); *aStatusbar = nsnull; if (!mStatusbar) { mStatusbar = new nsStatusbarProp(this); if (!mStatusbar) { return NS_ERROR_OUT_OF_MEMORY; } } NS_ADDREF(*aStatusbar = mStatusbar); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetScrollbars(nsIDOMBarProp** aScrollbars) { FORWARD_TO_OUTER(GetScrollbars, (aScrollbars), NS_ERROR_NOT_INITIALIZED); *aScrollbars = nsnull; if (!mScrollbars) { mScrollbars = new nsScrollbarsProp(this); if (!mScrollbars) { return NS_ERROR_OUT_OF_MEMORY; } } NS_ADDREF(*aScrollbars = mScrollbars); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetClosed(bool* aClosed) { FORWARD_TO_OUTER(GetClosed, (aClosed), NS_ERROR_NOT_INITIALIZED); // If someone called close(), or if we don't have a docshell, we're // closed. *aClosed = mIsClosed || !mDocShell; return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetFrames(nsIDOMWindowCollection** aFrames) { FORWARD_TO_OUTER(GetFrames, (aFrames), NS_ERROR_NOT_INITIALIZED); *aFrames = nsnull; if (!mFrames && mDocShell) { mFrames = new nsDOMWindowList(mDocShell); if (!mFrames) { return NS_ERROR_OUT_OF_MEMORY; } } *aFrames = static_cast(mFrames); NS_IF_ADDREF(*aFrames); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetApplicationCache(nsIDOMOfflineResourceList **aApplicationCache) { FORWARD_TO_INNER(GetApplicationCache, (aApplicationCache), NS_ERROR_UNEXPECTED); NS_ENSURE_ARG_POINTER(aApplicationCache); if (!mApplicationCache) { nsCOMPtr webNav(do_QueryInterface(GetDocShell())); if (!webNav) { return NS_ERROR_FAILURE; } nsCOMPtr uri; nsresult rv = webNav->GetCurrentURI(getter_AddRefs(uri)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr doc = do_QueryInterface(mDocument); nsCOMPtr manifestURI; nsContentUtils::GetOfflineAppManifest(doc, getter_AddRefs(manifestURI)); nsIScriptContext* scriptContext = GetContext(); NS_ENSURE_STATE(scriptContext); nsRefPtr applicationCache = new nsDOMOfflineResourceList(manifestURI, uri, this, scriptContext); NS_ENSURE_TRUE(applicationCache, NS_ERROR_OUT_OF_MEMORY); applicationCache->Init(); mApplicationCache = applicationCache; } NS_IF_ADDREF(*aApplicationCache = mApplicationCache); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetCrypto(nsIDOMCrypto** aCrypto) { #ifdef MOZ_DISABLE_DOMCRYPTO return NS_ERROR_NOT_IMPLEMENTED; #else FORWARD_TO_OUTER(GetCrypto, (aCrypto), NS_ERROR_NOT_INITIALIZED); if (!mCrypto) { mCrypto = do_CreateInstance(kCryptoContractID); } NS_IF_ADDREF(*aCrypto = mCrypto); return NS_OK; #endif } NS_IMETHODIMP nsGlobalWindow::GetPkcs11(nsIDOMPkcs11** aPkcs11) { *aPkcs11 = nsnull; return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetControllers(nsIControllers** aResult) { FORWARD_TO_OUTER(GetControllers, (aResult), NS_ERROR_NOT_INITIALIZED); if (!mControllers) { nsresult rv; mControllers = do_CreateInstance(kXULControllersCID, &rv); NS_ENSURE_SUCCESS(rv, rv); // Add in the default controller nsCOMPtr controller = do_CreateInstance( NS_WINDOWCONTROLLER_CONTRACTID, &rv); NS_ENSURE_SUCCESS(rv, rv); mControllers->InsertControllerAt(0, controller); nsCOMPtr controllerContext = do_QueryInterface(controller); if (!controllerContext) return NS_ERROR_FAILURE; controllerContext->SetCommandContext(static_cast(this)); } *aResult = mControllers; NS_ADDREF(*aResult); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetOpener(nsIDOMWindow** aOpener) { FORWARD_TO_OUTER(GetOpener, (aOpener), NS_ERROR_NOT_INITIALIZED); *aOpener = nsnull; nsCOMPtr opener = do_QueryReferent(mOpener); if (!opener) { return NS_OK; } // First, check if we were called from a privileged chrome script if (nsContentUtils::IsCallerTrustedForRead()) { NS_ADDREF(*aOpener = opener); return NS_OK; } nsCOMPtr openerPwin(do_QueryInterface(opener)); if (!openerPwin) { return NS_OK; } // First, ensure that we're not handing back a chrome window. nsGlobalWindow *win = static_cast(openerPwin.get()); if (win->IsChromeWindow()) { return NS_OK; } // We don't want to reveal the opener if the opener is a mail window, // because opener can be used to spoof the contents of a message (bug 105050). // So, we look in the opener's root docshell to see if it's a mail window. nsCOMPtr docShellAsItem = do_QueryInterface(openerPwin->GetDocShell()); if (docShellAsItem) { nsCOMPtr openerRootItem; docShellAsItem->GetRootTreeItem(getter_AddRefs(openerRootItem)); nsCOMPtr openerRootDocShell(do_QueryInterface(openerRootItem)); if (openerRootDocShell) { PRUint32 appType; nsresult rv = openerRootDocShell->GetAppType(&appType); if (NS_SUCCEEDED(rv) && appType != nsIDocShell::APP_TYPE_MAIL) { *aOpener = opener; } } } NS_IF_ADDREF(*aOpener); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::SetOpener(nsIDOMWindow* aOpener) { // check if we were called from a privileged chrome script. // If not, opener is settable only to null. if (aOpener && !nsContentUtils::IsCallerTrustedForWrite()) { return NS_OK; } SetOpenerWindow(aOpener, false); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetStatus(nsAString& aStatus) { FORWARD_TO_OUTER(GetStatus, (aStatus), NS_ERROR_NOT_INITIALIZED); aStatus = mStatus; return NS_OK; } NS_IMETHODIMP nsGlobalWindow::SetStatus(const nsAString& aStatus) { FORWARD_TO_OUTER(SetStatus, (aStatus), NS_ERROR_NOT_INITIALIZED); /* * If caller is not chrome and dom.disable_window_status_change is true, * prevent setting window.status by exiting early */ if (!CanSetProperty("dom.disable_window_status_change")) { return NS_OK; } mStatus = aStatus; nsCOMPtr browserChrome; GetWebBrowserChrome(getter_AddRefs(browserChrome)); if(browserChrome) { browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_SCRIPT, PromiseFlatString(aStatus).get()); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetDefaultStatus(nsAString& aDefaultStatus) { FORWARD_TO_OUTER(GetDefaultStatus, (aDefaultStatus), NS_ERROR_NOT_INITIALIZED); aDefaultStatus = mDefaultStatus; return NS_OK; } NS_IMETHODIMP nsGlobalWindow::SetDefaultStatus(const nsAString& aDefaultStatus) { FORWARD_TO_OUTER(SetDefaultStatus, (aDefaultStatus), NS_ERROR_NOT_INITIALIZED); /* * If caller is not chrome and dom.disable_window_status_change is true, * prevent setting window.defaultStatus by exiting early */ if (!CanSetProperty("dom.disable_window_status_change")) { return NS_OK; } mDefaultStatus = aDefaultStatus; nsCOMPtr browserChrome; GetWebBrowserChrome(getter_AddRefs(browserChrome)); if (browserChrome) { browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_SCRIPT_DEFAULT, PromiseFlatString(aDefaultStatus).get()); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetName(nsAString& aName) { FORWARD_TO_OUTER(GetName, (aName), NS_ERROR_NOT_INITIALIZED); nsXPIDLString name; nsCOMPtr docShellAsItem(do_QueryInterface(mDocShell)); if (docShellAsItem) docShellAsItem->GetName(getter_Copies(name)); aName.Assign(name); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::SetName(const nsAString& aName) { FORWARD_TO_OUTER(SetName, (aName), NS_ERROR_NOT_INITIALIZED); nsresult result = NS_OK; nsCOMPtr docShellAsItem(do_QueryInterface(mDocShell)); if (docShellAsItem) result = docShellAsItem->SetName(PromiseFlatString(aName).get()); return result; } // Helper functions used by many methods below. PRInt32 nsGlobalWindow::DevToCSSIntPixels(PRInt32 px) { if (!mDocShell) return px; // assume 1:1 nsRefPtr presContext; mDocShell->GetPresContext(getter_AddRefs(presContext)); if (!presContext) return px; return presContext->DevPixelsToIntCSSPixels(px); } PRInt32 nsGlobalWindow::CSSToDevIntPixels(PRInt32 px) { if (!mDocShell) return px; // assume 1:1 nsRefPtr presContext; mDocShell->GetPresContext(getter_AddRefs(presContext)); if (!presContext) return px; return presContext->CSSPixelsToDevPixels(px); } nsIntSize nsGlobalWindow::DevToCSSIntPixels(nsIntSize px) { if (!mDocShell) return px; // assume 1:1 nsRefPtr presContext; mDocShell->GetPresContext(getter_AddRefs(presContext)); if (!presContext) return px; return nsIntSize( presContext->DevPixelsToIntCSSPixels(px.width), presContext->DevPixelsToIntCSSPixels(px.height)); } nsIntSize nsGlobalWindow::CSSToDevIntPixels(nsIntSize px) { if (!mDocShell) return px; // assume 1:1 nsRefPtr presContext; mDocShell->GetPresContext(getter_AddRefs(presContext)); if (!presContext) return px; return nsIntSize( presContext->CSSPixelsToDevPixels(px.width), presContext->CSSPixelsToDevPixels(px.height)); } NS_IMETHODIMP nsGlobalWindow::GetInnerWidth(PRInt32* aInnerWidth) { FORWARD_TO_OUTER(GetInnerWidth, (aInnerWidth), NS_ERROR_NOT_INITIALIZED); NS_ENSURE_STATE(mDocShell); EnsureSizeUpToDate(); nsRefPtr presContext; mDocShell->GetPresContext(getter_AddRefs(presContext)); if (presContext) { nsRect shellArea = presContext->GetVisibleArea(); *aInnerWidth = nsPresContext::AppUnitsToIntCSSPixels(shellArea.width); } else { *aInnerWidth = 0; } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::SetInnerWidth(PRInt32 aInnerWidth) { FORWARD_TO_OUTER(SetInnerWidth, (aInnerWidth), NS_ERROR_NOT_INITIALIZED); NS_ENSURE_STATE(mDocShell); /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent setting window.innerWidth by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } NS_ENSURE_SUCCESS(CheckSecurityWidthAndHeight(&aInnerWidth, nsnull), NS_ERROR_FAILURE); nsRefPtr presShell; mDocShell->GetPresShell(getter_AddRefs(presShell)); if (presShell && presShell->GetIsViewportOverridden()) { nscoord height = 0; nscoord width = 0; nsRefPtr presContext; presContext = presShell->GetPresContext(); nsRect shellArea = presContext->GetVisibleArea(); height = shellArea.height; width = nsPresContext::CSSPixelsToAppUnits(aInnerWidth); return SetCSSViewportWidthAndHeight(width, height); } else { PRInt32 height = 0; PRInt32 width = 0; nsCOMPtr docShellAsWin(do_QueryInterface(mDocShell)); docShellAsWin->GetSize(&width, &height); width = CSSToDevIntPixels(aInnerWidth); return SetDocShellWidthAndHeight(width, height); } } NS_IMETHODIMP nsGlobalWindow::GetInnerHeight(PRInt32* aInnerHeight) { FORWARD_TO_OUTER(GetInnerHeight, (aInnerHeight), NS_ERROR_NOT_INITIALIZED); NS_ENSURE_STATE(mDocShell); EnsureSizeUpToDate(); nsRefPtr presContext; mDocShell->GetPresContext(getter_AddRefs(presContext)); if (presContext) { nsRect shellArea = presContext->GetVisibleArea(); *aInnerHeight = nsPresContext::AppUnitsToIntCSSPixels(shellArea.height); } else { *aInnerHeight = 0; } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::SetInnerHeight(PRInt32 aInnerHeight) { FORWARD_TO_OUTER(SetInnerHeight, (aInnerHeight), NS_ERROR_NOT_INITIALIZED); NS_ENSURE_STATE(mDocShell); /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent setting window.innerHeight by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } NS_ENSURE_SUCCESS(CheckSecurityWidthAndHeight(nsnull, &aInnerHeight), NS_ERROR_FAILURE); nsRefPtr presShell; mDocShell->GetPresShell(getter_AddRefs(presShell)); if (presShell && presShell->GetIsViewportOverridden()) { nscoord height = 0; nscoord width = 0; nsRefPtr presContext; presContext = presShell->GetPresContext(); nsRect shellArea = presContext->GetVisibleArea(); width = shellArea.width; height = nsPresContext::CSSPixelsToAppUnits(aInnerHeight); return SetCSSViewportWidthAndHeight(width, height); } else { PRInt32 height = 0; PRInt32 width = 0; nsCOMPtr docShellAsWin(do_QueryInterface(mDocShell)); docShellAsWin->GetSize(&width, &height); height = CSSToDevIntPixels(aInnerHeight); return SetDocShellWidthAndHeight(width, height); } } nsresult nsGlobalWindow::GetOuterSize(nsIntSize* aSizeCSSPixels) { nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); nsGlobalWindow* rootWindow = static_cast(GetPrivateRoot()); if (rootWindow) { rootWindow->FlushPendingNotifications(Flush_Layout); } nsIntSize sizeDevPixels; NS_ENSURE_SUCCESS(treeOwnerAsWin->GetSize(&sizeDevPixels.width, &sizeDevPixels.height), NS_ERROR_FAILURE); *aSizeCSSPixels = DevToCSSIntPixels(sizeDevPixels); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetOuterWidth(PRInt32* aOuterWidth) { FORWARD_TO_OUTER(GetOuterWidth, (aOuterWidth), NS_ERROR_NOT_INITIALIZED); nsIntSize sizeCSSPixels; nsresult rv = GetOuterSize(&sizeCSSPixels); NS_ENSURE_SUCCESS(rv, rv); *aOuterWidth = sizeCSSPixels.width; return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetOuterHeight(PRInt32* aOuterHeight) { FORWARD_TO_OUTER(GetOuterHeight, (aOuterHeight), NS_ERROR_NOT_INITIALIZED); nsIntSize sizeCSSPixels; nsresult rv = GetOuterSize(&sizeCSSPixels); NS_ENSURE_SUCCESS(rv, rv); *aOuterHeight = sizeCSSPixels.height; return NS_OK; } nsresult nsGlobalWindow::SetOuterSize(PRInt32 aLengthCSSPixels, bool aIsWidth) { /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent setting window.outerWidth by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); NS_ENSURE_SUCCESS(CheckSecurityWidthAndHeight( aIsWidth ? &aLengthCSSPixels : nsnull, aIsWidth ? nsnull : &aLengthCSSPixels), NS_ERROR_FAILURE); PRInt32 width, height; NS_ENSURE_SUCCESS(treeOwnerAsWin->GetSize(&width, &height), NS_ERROR_FAILURE); PRInt32 lengthDevPixels = CSSToDevIntPixels(aLengthCSSPixels); if (aIsWidth) { width = lengthDevPixels; } else { height = lengthDevPixels; } return treeOwnerAsWin->SetSize(width, height, true); } NS_IMETHODIMP nsGlobalWindow::SetOuterWidth(PRInt32 aOuterWidth) { FORWARD_TO_OUTER(SetOuterWidth, (aOuterWidth), NS_ERROR_NOT_INITIALIZED); return SetOuterSize(aOuterWidth, true); } NS_IMETHODIMP nsGlobalWindow::SetOuterHeight(PRInt32 aOuterHeight) { FORWARD_TO_OUTER(SetOuterHeight, (aOuterHeight), NS_ERROR_NOT_INITIALIZED); return SetOuterSize(aOuterHeight, false); } NS_IMETHODIMP nsGlobalWindow::GetScreenX(PRInt32* aScreenX) { FORWARD_TO_OUTER(GetScreenX, (aScreenX), NS_ERROR_NOT_INITIALIZED); nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); PRInt32 x, y; NS_ENSURE_SUCCESS(treeOwnerAsWin->GetPosition(&x, &y), NS_ERROR_FAILURE); *aScreenX = DevToCSSIntPixels(x); return NS_OK; } nsRect nsGlobalWindow::GetInnerScreenRect() { if (!mDocShell) return nsRect(); nsGlobalWindow* rootWindow = static_cast(GetPrivateRoot()); if (rootWindow) { rootWindow->FlushPendingNotifications(Flush_Layout); } nsCOMPtr presShell; mDocShell->GetPresShell(getter_AddRefs(presShell)); if (!presShell) return nsRect(); nsIFrame* rootFrame = presShell->GetRootFrame(); if (!rootFrame) return nsRect(); return rootFrame->GetScreenRectInAppUnits(); } NS_IMETHODIMP nsGlobalWindow::GetMozInnerScreenX(float* aScreenX) { FORWARD_TO_OUTER(GetMozInnerScreenX, (aScreenX), NS_ERROR_NOT_INITIALIZED); nsRect r = GetInnerScreenRect(); *aScreenX = nsPresContext::AppUnitsToFloatCSSPixels(r.x); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetMozInnerScreenY(float* aScreenY) { FORWARD_TO_OUTER(GetMozInnerScreenY, (aScreenY), NS_ERROR_NOT_INITIALIZED); nsRect r = GetInnerScreenRect(); *aScreenY = nsPresContext::AppUnitsToFloatCSSPixels(r.y); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetMozPaintCount(PRUint64* aResult) { FORWARD_TO_OUTER(GetMozPaintCount, (aResult), NS_ERROR_NOT_INITIALIZED); *aResult = 0; if (!mDocShell) return NS_OK; nsCOMPtr presShell; mDocShell->GetPresShell(getter_AddRefs(presShell)); if (!presShell) return NS_OK; *aResult = presShell->GetPaintCount(); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::MozRequestAnimationFrame(nsIFrameRequestCallback* aCallback, PRInt32 *aHandle) { FORWARD_TO_INNER(MozRequestAnimationFrame, (aCallback, aHandle), NS_ERROR_NOT_INITIALIZED); if (!mDoc) { return NS_OK; } if (!aCallback) { mDoc->WarnOnceAbout(nsIDocument::eMozBeforePaint); return NS_ERROR_XPC_BAD_CONVERT_JS; } return mDoc->ScheduleFrameRequestCallback(aCallback, aHandle); } NS_IMETHODIMP nsGlobalWindow::MozCancelRequestAnimationFrame(PRInt32 aHandle) { return MozCancelAnimationFrame(aHandle); } NS_IMETHODIMP nsGlobalWindow::MozCancelAnimationFrame(PRInt32 aHandle) { FORWARD_TO_INNER(MozCancelAnimationFrame, (aHandle), NS_ERROR_NOT_INITIALIZED); if (!mDoc) { return NS_OK; } mDoc->CancelFrameRequestCallback(aHandle); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetMozAnimationStartTime(PRInt64 *aTime) { FORWARD_TO_INNER(GetMozAnimationStartTime, (aTime), NS_ERROR_NOT_INITIALIZED); if (mDoc) { nsIPresShell* presShell = mDoc->GetShell(); if (presShell) { *aTime = presShell->GetPresContext()->RefreshDriver()-> MostRecentRefreshEpochTime() / PR_USEC_PER_MSEC; return NS_OK; } } // If all else fails, just be compatible with Date.now() *aTime = JS_Now() / PR_USEC_PER_MSEC; return NS_OK; } NS_IMETHODIMP nsGlobalWindow::MatchMedia(const nsAString& aMediaQueryList, nsIDOMMediaQueryList** aResult) { // FIXME: This whole forward-to-outer and then get a pres // shell/context off the docshell dance is sort of silly; it'd make // more sense to forward to the inner, but it's what everyone else // (GetSelection, GetScrollXY, etc.) does around here. FORWARD_TO_OUTER(MatchMedia, (aMediaQueryList, aResult), NS_ERROR_NOT_INITIALIZED); *aResult = nsnull; if (!mDocShell) return NS_OK; nsRefPtr presContext; mDocShell->GetPresContext(getter_AddRefs(presContext)); if (!presContext) return NS_OK; presContext->MatchMedia(aMediaQueryList, aResult); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::SetScreenX(PRInt32 aScreenX) { FORWARD_TO_OUTER(SetScreenX, (aScreenX), NS_ERROR_NOT_INITIALIZED); /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent setting window.screenX by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); NS_ENSURE_SUCCESS(CheckSecurityLeftAndTop(&aScreenX, nsnull), NS_ERROR_FAILURE); PRInt32 x, y; NS_ENSURE_SUCCESS(treeOwnerAsWin->GetPosition(&x, &y), NS_ERROR_FAILURE); x = CSSToDevIntPixels(aScreenX); NS_ENSURE_SUCCESS(treeOwnerAsWin->SetPosition(x, y), NS_ERROR_FAILURE); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetScreenY(PRInt32* aScreenY) { FORWARD_TO_OUTER(GetScreenY, (aScreenY), NS_ERROR_NOT_INITIALIZED); nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); PRInt32 x, y; NS_ENSURE_SUCCESS(treeOwnerAsWin->GetPosition(&x, &y), NS_ERROR_FAILURE); *aScreenY = DevToCSSIntPixels(y); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::SetScreenY(PRInt32 aScreenY) { FORWARD_TO_OUTER(SetScreenY, (aScreenY), NS_ERROR_NOT_INITIALIZED); /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent setting window.screenY by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); NS_ENSURE_SUCCESS(CheckSecurityLeftAndTop(nsnull, &aScreenY), NS_ERROR_FAILURE); PRInt32 x, y; NS_ENSURE_SUCCESS(treeOwnerAsWin->GetPosition(&x, &y), NS_ERROR_FAILURE); y = CSSToDevIntPixels(aScreenY); NS_ENSURE_SUCCESS(treeOwnerAsWin->SetPosition(x, y), NS_ERROR_FAILURE); return NS_OK; } // NOTE: Arguments to this function should have values scaled to // CSS pixels, not device pixels. nsresult nsGlobalWindow::CheckSecurityWidthAndHeight(PRInt32* aWidth, PRInt32* aHeight) { #ifdef MOZ_XUL if (!nsContentUtils::IsCallerTrustedForWrite()) { // if attempting to resize the window, hide any open popups nsCOMPtr doc(do_QueryInterface(mDocument)); nsContentUtils::HidePopupsInDocument(doc); } #endif // This one is easy. Just ensure the variable is greater than 100; if ((aWidth && *aWidth < 100) || (aHeight && *aHeight < 100)) { // Check security state for use in determing window dimensions if (!nsContentUtils::IsCallerTrustedForWrite()) { //sec check failed if (aWidth && *aWidth < 100) { *aWidth = 100; } if (aHeight && *aHeight < 100) { *aHeight = 100; } } } return NS_OK; } // NOTE: Arguments to this function should have values in device pixels nsresult nsGlobalWindow::SetDocShellWidthAndHeight(PRInt32 aInnerWidth, PRInt32 aInnerHeight) { nsCOMPtr docShellAsItem(do_QueryInterface(mDocShell)); NS_ENSURE_TRUE(docShellAsItem, NS_ERROR_FAILURE); nsCOMPtr treeOwner; docShellAsItem->GetTreeOwner(getter_AddRefs(treeOwner)); NS_ENSURE_TRUE(treeOwner, NS_ERROR_FAILURE); NS_ENSURE_SUCCESS(treeOwner->SizeShellTo(docShellAsItem, aInnerWidth, aInnerHeight), NS_ERROR_FAILURE); return NS_OK; } // NOTE: Arguments to this function should have values in app units nsresult nsGlobalWindow::SetCSSViewportWidthAndHeight(nscoord aInnerWidth, nscoord aInnerHeight) { nsRefPtr presContext; mDocShell->GetPresContext(getter_AddRefs(presContext)); nsRect shellArea = presContext->GetVisibleArea(); shellArea.height = aInnerHeight; shellArea.width = aInnerWidth; presContext->SetVisibleArea(shellArea); return NS_OK; } // NOTE: Arguments to this function should have values scaled to // CSS pixels, not device pixels. nsresult nsGlobalWindow::CheckSecurityLeftAndTop(PRInt32* aLeft, PRInt32* aTop) { // This one is harder. We have to get the screen size and window dimensions. // Check security state for use in determing window dimensions if (!nsContentUtils::IsCallerTrustedForWrite()) { #ifdef MOZ_XUL // if attempting to move the window, hide any open popups nsCOMPtr doc(do_QueryInterface(mDocument)); nsContentUtils::HidePopupsInDocument(doc); #endif nsGlobalWindow* rootWindow = static_cast(GetPrivateRoot()); if (rootWindow) { rootWindow->FlushPendingNotifications(Flush_Layout); } nsCOMPtr treeOwner; GetTreeOwner(getter_AddRefs(treeOwner)); nsCOMPtr screen; GetScreen(getter_AddRefs(screen)); if (treeOwner && screen) { PRInt32 screenLeft, screenTop, screenWidth, screenHeight; PRInt32 winLeft, winTop, winWidth, winHeight; // Get the window size treeOwner->GetPositionAndSize(&winLeft, &winTop, &winWidth, &winHeight); // convert those values to CSS pixels // XXX four separate retrievals of the prescontext winLeft = DevToCSSIntPixels(winLeft); winTop = DevToCSSIntPixels(winTop); winWidth = DevToCSSIntPixels(winWidth); winHeight = DevToCSSIntPixels(winHeight); // Get the screen dimensions // XXX This should use nsIScreenManager once it's fully fleshed out. screen->GetAvailLeft(&screenLeft); screen->GetAvailWidth(&screenWidth); screen->GetAvailHeight(&screenHeight); #if defined(XP_MACOSX) /* The mac's coordinate system is different from the assumed Windows' system. It offsets by the height of the menubar so that a window placed at (0,0) will be entirely visible. Unfortunately that correction is made elsewhere (in Widget) and the meaning of the Avail... coordinates is overloaded. Here we allow a window to be placed at (0,0) because it does make sense to do so. */ screen->GetTop(&screenTop); #else screen->GetAvailTop(&screenTop); #endif if (aLeft) { if (screenLeft+screenWidth < *aLeft+winWidth) *aLeft = screenLeft+screenWidth - winWidth; if (screenLeft > *aLeft) *aLeft = screenLeft; } if (aTop) { if (screenTop+screenHeight < *aTop+winHeight) *aTop = screenTop+screenHeight - winHeight; if (screenTop > *aTop) *aTop = screenTop; } } else { if (aLeft) *aLeft = 0; if (aTop) *aTop = 0; } } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetPageXOffset(PRInt32* aPageXOffset) { return GetScrollX(aPageXOffset); } NS_IMETHODIMP nsGlobalWindow::GetPageYOffset(PRInt32* aPageYOffset) { return GetScrollY(aPageYOffset); } nsresult nsGlobalWindow::GetScrollMaxXY(PRInt32* aScrollMaxX, PRInt32* aScrollMaxY) { FORWARD_TO_OUTER(GetScrollMaxXY, (aScrollMaxX, aScrollMaxY), NS_ERROR_NOT_INITIALIZED); FlushPendingNotifications(Flush_Layout); nsIScrollableFrame *sf = GetScrollFrame(); if (!sf) return NS_OK; nsRect scrollRange = sf->GetScrollRange(); if (aScrollMaxX) *aScrollMaxX = NS_MAX(0, (PRInt32)floor(nsPresContext::AppUnitsToFloatCSSPixels(scrollRange.XMost()))); if (aScrollMaxY) *aScrollMaxY = NS_MAX(0, (PRInt32)floor(nsPresContext::AppUnitsToFloatCSSPixels(scrollRange.YMost()))); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetScrollMaxX(PRInt32* aScrollMaxX) { NS_ENSURE_ARG_POINTER(aScrollMaxX); *aScrollMaxX = 0; return GetScrollMaxXY(aScrollMaxX, nsnull); } NS_IMETHODIMP nsGlobalWindow::GetScrollMaxY(PRInt32* aScrollMaxY) { NS_ENSURE_ARG_POINTER(aScrollMaxY); *aScrollMaxY = 0; return GetScrollMaxXY(nsnull, aScrollMaxY); } nsresult nsGlobalWindow::GetScrollXY(PRInt32* aScrollX, PRInt32* aScrollY, bool aDoFlush) { FORWARD_TO_OUTER(GetScrollXY, (aScrollX, aScrollY, aDoFlush), NS_ERROR_NOT_INITIALIZED); if (aDoFlush) { FlushPendingNotifications(Flush_Layout); } else { EnsureSizeUpToDate(); } nsIScrollableFrame *sf = GetScrollFrame(); if (!sf) return NS_OK; nsPoint scrollPos = sf->GetScrollPosition(); if (scrollPos != nsPoint(0,0) && !aDoFlush) { // Oh, well. This is the expensive case -- the window is scrolled and we // didn't actually flush yet. Repeat, but with a flush, since the content // may get shorter and hence our scroll position may decrease. return GetScrollXY(aScrollX, aScrollY, true); } if (aScrollX) *aScrollX = nsPresContext::AppUnitsToIntCSSPixels(scrollPos.x); if (aScrollY) *aScrollY = nsPresContext::AppUnitsToIntCSSPixels(scrollPos.y); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetScrollX(PRInt32* aScrollX) { NS_ENSURE_ARG_POINTER(aScrollX); *aScrollX = 0; return GetScrollXY(aScrollX, nsnull, false); } NS_IMETHODIMP nsGlobalWindow::GetScrollY(PRInt32* aScrollY) { NS_ENSURE_ARG_POINTER(aScrollY); *aScrollY = 0; return GetScrollXY(nsnull, aScrollY, false); } NS_IMETHODIMP nsGlobalWindow::GetLength(PRUint32* aLength) { nsCOMPtr frames; if (NS_SUCCEEDED(GetFrames(getter_AddRefs(frames))) && frames) { return frames->GetLength(aLength); } return NS_ERROR_FAILURE; } bool nsGlobalWindow::DispatchCustomEvent(const char *aEventName) { bool defaultActionEnabled = true; nsCOMPtr doc(do_QueryInterface(mDocument)); nsContentUtils::DispatchTrustedEvent(doc, GetOuterWindow(), NS_ConvertASCIItoUTF16(aEventName), true, true, &defaultActionEnabled); return defaultActionEnabled; } static already_AddRefed GetCallerDocShellTreeItem() { JSContext *cx = nsContentUtils::GetCurrentJSContext(); nsIDocShellTreeItem *callerItem = nsnull; if (cx) { nsCOMPtr callerWebNav = do_GetInterface(nsJSUtils::GetDynamicScriptGlobal(cx)); if (callerWebNav) { CallQueryInterface(callerWebNav, &callerItem); } } return callerItem; } bool nsGlobalWindow::WindowExists(const nsAString& aName, bool aLookForCallerOnJSStack) { NS_PRECONDITION(IsOuterWindow(), "Must be outer window"); NS_PRECONDITION(mDocShell, "Must have docshell"); nsCOMPtr caller; if (aLookForCallerOnJSStack) { caller = GetCallerDocShellTreeItem(); } nsCOMPtr docShell = do_QueryInterface(mDocShell); NS_ASSERTION(docShell, "Docshell doesn't implement nsIDocShellTreeItem?"); if (!caller) { caller = docShell; } nsCOMPtr namedItem; docShell->FindItemWithName(PromiseFlatString(aName).get(), nsnull, caller, getter_AddRefs(namedItem)); return namedItem != nsnull; } already_AddRefed nsGlobalWindow::GetMainWidget() { nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); nsIWidget *widget = nsnull; if (treeOwnerAsWin) { treeOwnerAsWin->GetMainWidget(&widget); } return widget; } nsIWidget* nsGlobalWindow::GetNearestWidget() { nsIDocShell* docShell = GetDocShell(); NS_ENSURE_TRUE(docShell, nsnull); nsCOMPtr presShell; docShell->GetPresShell(getter_AddRefs(presShell)); NS_ENSURE_TRUE(presShell, nsnull); nsIFrame* rootFrame = presShell->GetRootFrame(); NS_ENSURE_TRUE(rootFrame, nsnull); return rootFrame->GetView()->GetNearestWidget(nsnull); } NS_IMETHODIMP nsGlobalWindow::SetFullScreen(bool aFullScreen) { FORWARD_TO_OUTER(SetFullScreen, (aFullScreen), NS_ERROR_NOT_INITIALIZED); NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE); bool rootWinFullScreen; GetFullScreen(&rootWinFullScreen); // Only chrome can change our fullScreen mode, unless the DOM full-screen // API is enabled. if ((aFullScreen == rootWinFullScreen || !nsContentUtils::IsCallerTrustedForWrite()) && !nsContentUtils::IsFullScreenApiEnabled()) { return NS_OK; } // SetFullScreen needs to be called on the root window, so get that // via the DocShell tree, and if we are not already the root, // call SetFullScreen on that window instead. nsCOMPtr treeItem = do_QueryInterface(mDocShell); nsCOMPtr rootItem; treeItem->GetRootTreeItem(getter_AddRefs(rootItem)); nsCOMPtr window = do_GetInterface(rootItem); if (!window) return NS_ERROR_FAILURE; if (rootItem != treeItem) return window->SetFullScreen(aFullScreen); // make sure we don't try to set full screen on a non-chrome window, // which might happen in embedding world PRInt32 itemType; treeItem->GetItemType(&itemType); if (itemType != nsIDocShellTreeItem::typeChrome) return NS_ERROR_FAILURE; // If we are already in full screen mode, just return. if (mFullScreen == aFullScreen) return NS_OK; // dispatch a "fullscreen" DOM event so that XUL apps can // respond visually if we are kicked into full screen mode if (!DispatchCustomEvent("fullscreen")) { return NS_OK; } // Prevent chrome documents which are still loading from resizing // the window after we set fullscreen mode. nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); nsCOMPtr xulWin(do_GetInterface(treeOwnerAsWin)); if (aFullScreen && xulWin) { xulWin->SetIntrinsicallySized(false); } // Set this before so if widget sends an event indicating its // gone full screen, the state trap above works. mFullScreen = aFullScreen; nsCOMPtr widget = GetMainWidget(); if (widget) widget->MakeFullScreen(aFullScreen); if (!mFullScreen) { // Force exit from DOM full-screen mode. This is so that if we're in // DOM full-screen mode and the user exits full-screen mode with // the browser full-screen mode toggle keyboard-shortcut, we'll detect // that and leave DOM API full-screen mode too. nsIDocument::ExitFullScreen(false); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetFullScreen(bool* aFullScreen) { FORWARD_TO_OUTER(GetFullScreen, (aFullScreen), NS_ERROR_NOT_INITIALIZED); // Get the fullscreen value of the root window, to always have the value // accurate, even when called from content. nsCOMPtr treeItem = do_QueryInterface(mDocShell); if (treeItem) { nsCOMPtr rootItem; treeItem->GetRootTreeItem(getter_AddRefs(rootItem)); if (rootItem != treeItem) { nsCOMPtr window = do_GetInterface(rootItem); if (window) return window->GetFullScreen(aFullScreen); } } // We are the root window, or something went wrong. Return our internal value. *aFullScreen = mFullScreen; return NS_OK; } bool nsGlobalWindow::DOMWindowDumpEnabled() { #if !(defined(NS_DEBUG) || defined(MOZ_ENABLE_JS_DUMP)) // In optimized builds we check a pref that controls if we should // enable output from dump() or not, in debug builds it's always // enabled. return gDOMWindowDumpEnabled; #else return true; #endif } NS_IMETHODIMP nsGlobalWindow::Dump(const nsAString& aStr) { if (!DOMWindowDumpEnabled()) { return NS_OK; } char *cstr = ToNewUTF8String(aStr); #if defined(XP_MACOSX) // have to convert \r to \n so that printing to the console works char *c = cstr, *cEnd = cstr + strlen(cstr); while (c < cEnd) { if (*c == '\r') *c = '\n'; c++; } #endif if (cstr) { #ifdef ANDROID __android_log_print(ANDROID_LOG_INFO, "Gecko", cstr); #endif FILE *fp = gDumpFile ? gDumpFile : stdout; fputs(cstr, fp); fflush(fp); nsMemory::Free(cstr); } return NS_OK; } void nsGlobalWindow::EnsureReflowFlushAndPaint() { NS_ASSERTION(IsOuterWindow(), "EnsureReflowFlushAndPaint() must be called on" "the outer window"); NS_ASSERTION(mDocShell, "EnsureReflowFlushAndPaint() called with no " "docshell!"); if (!mDocShell) return; nsCOMPtr presShell; mDocShell->GetPresShell(getter_AddRefs(presShell)); if (!presShell) return; // Flush pending reflows. if (mDoc) { mDoc->FlushPendingNotifications(Flush_Layout); } // Unsuppress painting. presShell->UnsuppressPainting(); } NS_IMETHODIMP nsGlobalWindow::GetTextZoom(float *aZoom) { FORWARD_TO_OUTER(GetTextZoom, (aZoom), NS_ERROR_NOT_INITIALIZED); if (mDocShell) { nsCOMPtr contentViewer; mDocShell->GetContentViewer(getter_AddRefs(contentViewer)); nsCOMPtr markupViewer(do_QueryInterface(contentViewer)); if (markupViewer) { return markupViewer->GetTextZoom(aZoom); } } return NS_ERROR_FAILURE; } NS_IMETHODIMP nsGlobalWindow::SetTextZoom(float aZoom) { FORWARD_TO_OUTER(SetTextZoom, (aZoom), NS_ERROR_NOT_INITIALIZED); if (mDocShell) { nsCOMPtr contentViewer; mDocShell->GetContentViewer(getter_AddRefs(contentViewer)); nsCOMPtr markupViewer(do_QueryInterface(contentViewer)); if (markupViewer) return markupViewer->SetTextZoom(aZoom); } return NS_ERROR_FAILURE; } // static void nsGlobalWindow::MakeScriptDialogTitle(nsAString &aOutTitle) { aOutTitle.Truncate(); // Try to get a host from the running principal -- this will do the // right thing for javascript: and data: documents. nsresult rv = NS_OK; NS_ASSERTION(nsContentUtils::GetSecurityManager(), "Global Window has no security manager!"); if (nsContentUtils::GetSecurityManager()) { nsCOMPtr principal; rv = nsContentUtils::GetSecurityManager()-> GetSubjectPrincipal(getter_AddRefs(principal)); if (NS_SUCCEEDED(rv) && principal) { nsCOMPtr uri; rv = principal->GetURI(getter_AddRefs(uri)); if (NS_SUCCEEDED(rv) && uri) { // remove user:pass for privacy and spoof prevention nsCOMPtr fixup(do_GetService(NS_URIFIXUP_CONTRACTID)); if (fixup) { nsCOMPtr fixedURI; rv = fixup->CreateExposableURI(uri, getter_AddRefs(fixedURI)); if (NS_SUCCEEDED(rv) && fixedURI) { nsCAutoString host; fixedURI->GetHost(host); if (!host.IsEmpty()) { // if this URI has a host we'll show it. For other // schemes (e.g. file:) we fall back to the localized // generic string nsCAutoString prepath; fixedURI->GetPrePath(prepath); NS_ConvertUTF8toUTF16 ucsPrePath(prepath); const PRUnichar *formatStrings[] = { ucsPrePath.get() }; nsXPIDLString tempString; nsContentUtils::FormatLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES, "ScriptDlgHeading", formatStrings, ArrayLength(formatStrings), tempString); aOutTitle = tempString; } } } } } else { // failed to get subject principal NS_WARNING("No script principal? Who is calling alert/confirm/prompt?!"); } } if (aOutTitle.IsEmpty()) { // We didn't find a host so use the generic heading nsXPIDLString tempString; nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES, "ScriptDlgGenericHeading", tempString); aOutTitle = tempString; } // Just in case if (aOutTitle.IsEmpty()) { NS_WARNING("could not get ScriptDlgGenericHeading string from string bundle"); aOutTitle.AssignLiteral("[Script]"); } } bool nsGlobalWindow::CanMoveResizeWindows() { // When called from chrome, we can avoid the following checks. if (!nsContentUtils::IsCallerTrustedForWrite()) { // Don't allow scripts to move or resize windows that were not opened by a // script. if (!mHadOriginalOpener) { return false; } if (!CanSetProperty("dom.disable_window_move_resize")) { return false; } // Ignore the request if we have more than one tab in the window. nsCOMPtr treeOwner; GetTreeOwner(getter_AddRefs(treeOwner)); if (treeOwner) { PRUint32 itemCount; if (NS_SUCCEEDED(treeOwner->GetTargetableShellCount(&itemCount)) && itemCount > 1) { return false; } } } if (mDocShell) { bool allow; nsresult rv = mDocShell->GetAllowWindowControl(&allow); if (NS_SUCCEEDED(rv) && !allow) return false; } if (gMouseDown && !gDragServiceDisabled) { nsCOMPtr ds = do_GetService("@mozilla.org/widget/dragservice;1"); if (ds) { gDragServiceDisabled = true; ds->Suppress(); } } return true; } NS_IMETHODIMP nsGlobalWindow::Alert(const nsAString& aString) { FORWARD_TO_OUTER(Alert, (aString), NS_ERROR_NOT_INITIALIZED); if (AreDialogsBlocked()) return NS_ERROR_NOT_AVAILABLE; // We have to capture this now so as not to get confused with the // popup state we push next bool shouldEnableDisableDialog = DialogOpenAttempted(); // Reset popup state while opening a modal dialog, and firing events // about the dialog, to prevent the current state from being active // the whole time a modal dialog is open. nsAutoPopupStatePusher popupStatePusher(openAbused, true); // Special handling for alert(null) in JS for backwards // compatibility. NS_NAMED_LITERAL_STRING(null_str, "null"); const nsAString *str = DOMStringIsNull(aString) ? &null_str : &aString; // Before bringing up the window, unsuppress painting and flush // pending reflows. EnsureReflowFlushAndPaint(); nsAutoString title; MakeScriptDialogTitle(title); // Remove non-terminating null characters from the // string. See bug #310037. nsAutoString final; nsContentUtils::StripNullChars(*str, final); // Check if we're being called at a point where we can't use tab-modal // prompts, because something doesn't want reentrancy. bool allowTabModal = GetIsTabModalPromptAllowed(); nsresult rv; nsCOMPtr promptFac = do_GetService("@mozilla.org/prompter;1", &rv); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr prompt; rv = promptFac->GetPrompt(this, NS_GET_IID(nsIPrompt), reinterpret_cast(&prompt)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr promptBag = do_QueryInterface(prompt); if (promptBag) promptBag->SetPropertyAsBool(NS_LITERAL_STRING("allowTabModal"), allowTabModal); if (shouldEnableDisableDialog) { bool disallowDialog = false; nsXPIDLString label; nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES, "ScriptDialogLabel", label); rv = prompt->AlertCheck(title.get(), final.get(), label.get(), &disallowDialog); if (disallowDialog) PreventFurtherDialogs(); } else { rv = prompt->Alert(title.get(), final.get()); } return rv; } NS_IMETHODIMP nsGlobalWindow::Confirm(const nsAString& aString, bool* aReturn) { FORWARD_TO_OUTER(Confirm, (aString, aReturn), NS_ERROR_NOT_INITIALIZED); if (AreDialogsBlocked()) return NS_ERROR_NOT_AVAILABLE; // We have to capture this now so as not to get confused with the popup state // we push next bool shouldEnableDisableDialog = DialogOpenAttempted(); // Reset popup state while opening a modal dialog, and firing events // about the dialog, to prevent the current state from being active // the whole time a modal dialog is open. nsAutoPopupStatePusher popupStatePusher(openAbused, true); *aReturn = false; // Before bringing up the window, unsuppress painting and flush // pending reflows. EnsureReflowFlushAndPaint(); nsAutoString title; MakeScriptDialogTitle(title); // Remove non-terminating null characters from the // string. See bug #310037. nsAutoString final; nsContentUtils::StripNullChars(aString, final); // Check if we're being called at a point where we can't use tab-modal // prompts, because something doesn't want reentrancy. bool allowTabModal = GetIsTabModalPromptAllowed(); nsresult rv; nsCOMPtr promptFac = do_GetService("@mozilla.org/prompter;1", &rv); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr prompt; rv = promptFac->GetPrompt(this, NS_GET_IID(nsIPrompt), reinterpret_cast(&prompt)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr promptBag = do_QueryInterface(prompt); if (promptBag) promptBag->SetPropertyAsBool(NS_LITERAL_STRING("allowTabModal"), allowTabModal); if (shouldEnableDisableDialog) { bool disallowDialog = false; nsXPIDLString label; nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES, "ScriptDialogLabel", label); rv = prompt->ConfirmCheck(title.get(), final.get(), label.get(), &disallowDialog, aReturn); if (disallowDialog) PreventFurtherDialogs(); } else { rv = prompt->Confirm(title.get(), final.get(), aReturn); } return rv; } NS_IMETHODIMP nsGlobalWindow::Prompt(const nsAString& aMessage, const nsAString& aInitial, nsAString& aReturn) { FORWARD_TO_OUTER(Prompt, (aMessage, aInitial, aReturn), NS_ERROR_NOT_INITIALIZED); SetDOMStringToNull(aReturn); if (AreDialogsBlocked()) return NS_ERROR_NOT_AVAILABLE; // We have to capture this now so as not to get confused with the popup state // we push next bool shouldEnableDisableDialog = DialogOpenAttempted(); // Reset popup state while opening a modal dialog, and firing events // about the dialog, to prevent the current state from being active // the whole time a modal dialog is open. nsAutoPopupStatePusher popupStatePusher(openAbused, true); // Before bringing up the window, unsuppress painting and flush // pending reflows. EnsureReflowFlushAndPaint(); nsAutoString title; MakeScriptDialogTitle(title); // Remove non-terminating null characters from the // string. See bug #310037. nsAutoString fixedMessage, fixedInitial; nsContentUtils::StripNullChars(aMessage, fixedMessage); nsContentUtils::StripNullChars(aInitial, fixedInitial); // Check if we're being called at a point where we can't use tab-modal // prompts, because something doesn't want reentrancy. bool allowTabModal = GetIsTabModalPromptAllowed(); nsresult rv; nsCOMPtr promptFac = do_GetService("@mozilla.org/prompter;1", &rv); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr prompt; rv = promptFac->GetPrompt(this, NS_GET_IID(nsIPrompt), reinterpret_cast(&prompt)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr promptBag = do_QueryInterface(prompt); if (promptBag) promptBag->SetPropertyAsBool(NS_LITERAL_STRING("allowTabModal"), allowTabModal); // Pass in the default value, if any. PRUnichar *inoutValue = ToNewUnicode(fixedInitial); bool disallowDialog = false; nsXPIDLString label; if (shouldEnableDisableDialog) { nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES, "ScriptDialogLabel", label); } bool ok; rv = prompt->Prompt(title.get(), fixedMessage.get(), &inoutValue, label.get(), &disallowDialog, &ok); if (disallowDialog) { PreventFurtherDialogs(); } NS_ENSURE_SUCCESS(rv, rv); nsAdoptingString outValue(inoutValue); if (ok && outValue) { aReturn.Assign(outValue); } return rv; } NS_IMETHODIMP nsGlobalWindow::Focus() { FORWARD_TO_OUTER(Focus, (), NS_ERROR_NOT_INITIALIZED); nsIFocusManager* fm = nsFocusManager::GetFocusManager(); if (!fm) return NS_OK; nsCOMPtr baseWin = do_QueryInterface(mDocShell); bool isVisible = false; if (baseWin) { baseWin->GetVisibility(&isVisible); } if (!isVisible) { // A hidden tab is being focused, ignore this call. return NS_OK; } nsIDOMWindow *caller = nsContentUtils::GetWindowFromCaller(); nsCOMPtr opener; GetOpener(getter_AddRefs(opener)); // Enforce dom.disable_window_flip (for non-chrome), but still allow the // window which opened us to raise us at times when popups are allowed // (bugs 355482 and 369306). bool canFocus = CanSetProperty("dom.disable_window_flip") || (opener == caller && RevisePopupAbuseLevel(gPopupControlState) < openAbused); nsCOMPtr activeWindow; fm->GetActiveWindow(getter_AddRefs(activeWindow)); nsCOMPtr treeItem = do_QueryInterface(mDocShell); NS_ASSERTION(treeItem, "What happened?"); nsCOMPtr rootItem; treeItem->GetRootTreeItem(getter_AddRefs(rootItem)); nsCOMPtr rootWin = do_GetInterface(rootItem); bool isActive = (rootWin == activeWindow); nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); if (treeOwnerAsWin && (canFocus || isActive)) { bool isEnabled = true; if (NS_SUCCEEDED(treeOwnerAsWin->GetEnabled(&isEnabled)) && !isEnabled) { NS_WARNING( "Should not try to set the focus on a disabled window" ); return NS_OK; } // XXXndeakin not sure what this is for or if it should go somewhere else nsCOMPtr embeddingWin(do_GetInterface(treeOwnerAsWin)); if (embeddingWin) embeddingWin->SetFocus(); } if (!mDocShell) return NS_OK; nsCOMPtr presShell; // Don't look for a presshell if we're a root chrome window that's got // about:blank loaded. We don't want to focus our widget in that case. // XXXbz should we really be checking for IsInitialDocument() instead? bool lookForPresShell = true; PRInt32 itemType = nsIDocShellTreeItem::typeContent; treeItem->GetItemType(&itemType); if (itemType == nsIDocShellTreeItem::typeChrome && GetPrivateRoot() == static_cast(this) && mDocument) { nsCOMPtr doc(do_QueryInterface(mDocument)); NS_ASSERTION(doc, "Bogus doc?"); nsIURI* ourURI = doc->GetDocumentURI(); if (ourURI) { lookForPresShell = !NS_IsAboutBlank(ourURI); } } if (lookForPresShell) { mDocShell->GetEldestPresShell(getter_AddRefs(presShell)); } nsCOMPtr parentDsti; treeItem->GetParent(getter_AddRefs(parentDsti)); // set the parent's current focus to the frame containing this window. nsCOMPtr parent(do_GetInterface(parentDsti)); if (parent) { nsCOMPtr parentdomdoc; parent->GetDocument(getter_AddRefs(parentdomdoc)); nsCOMPtr parentdoc = do_QueryInterface(parentdomdoc); if (!parentdoc) return NS_OK; nsCOMPtr doc = do_QueryInterface(mDocument); nsIContent* frame = parentdoc->FindContentForSubDocument(doc); nsCOMPtr frameElement = do_QueryInterface(frame); if (frameElement) { PRUint32 flags = nsIFocusManager::FLAG_NOSCROLL; if (canFocus) flags |= nsIFocusManager::FLAG_RAISE; return fm->SetFocus(frameElement, flags); } } else if (canFocus) { // if there is no parent, this must be a toplevel window, so raise the // window if canFocus is true return fm->SetActiveWindow(this); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::Blur() { FORWARD_TO_OUTER(Blur, (), NS_ERROR_NOT_INITIALIZED); // If dom.disable_window_flip == true, then content should not be allowed // to call this function (this would allow popunders, bug 369306) if (!CanSetProperty("dom.disable_window_flip")) { return NS_OK; } // If embedding apps don't implement nsIEmbeddingSiteWindow2, we // shouldn't throw exceptions to web content. nsresult rv = NS_OK; nsCOMPtr treeOwner; GetTreeOwner(getter_AddRefs(treeOwner)); nsCOMPtr siteWindow(do_GetInterface(treeOwner)); if (siteWindow) { // This method call may cause mDocShell to become nsnull. rv = siteWindow->Blur(); // if the root is focused, clear the focus nsIFocusManager* fm = nsFocusManager::GetFocusManager(); nsCOMPtr doc = do_QueryInterface(mDocument); if (fm && mDocument) { nsCOMPtr element; fm->GetFocusedElementForWindow(this, false, nsnull, getter_AddRefs(element)); nsCOMPtr content = do_QueryInterface(element); if (content == doc->GetRootElement()) fm->ClearFocus(this); } } return rv; } NS_IMETHODIMP nsGlobalWindow::Back() { FORWARD_TO_OUTER(Back, (), NS_ERROR_NOT_INITIALIZED); nsCOMPtr webNav(do_QueryInterface(mDocShell)); NS_ENSURE_TRUE(webNav, NS_ERROR_FAILURE); return webNav->GoBack(); } NS_IMETHODIMP nsGlobalWindow::Forward() { FORWARD_TO_OUTER(Forward, (), NS_ERROR_NOT_INITIALIZED); nsCOMPtr webNav(do_QueryInterface(mDocShell)); NS_ENSURE_TRUE(webNav, NS_ERROR_FAILURE); return webNav->GoForward(); } NS_IMETHODIMP nsGlobalWindow::Home() { FORWARD_TO_OUTER(Home, (), NS_ERROR_NOT_INITIALIZED); if (!mDocShell) return NS_OK; nsAdoptingString homeURL = Preferences::GetLocalizedString(PREF_BROWSER_STARTUP_HOMEPAGE); if (homeURL.IsEmpty()) { // if all else fails, use this #ifdef DEBUG_seth printf("all else failed. using %s as the home page\n", DEFAULT_HOME_PAGE); #endif CopyASCIItoUTF16(DEFAULT_HOME_PAGE, homeURL); } #ifdef MOZ_PHOENIX { // Firefox lets the user specify multiple home pages to open in // individual tabs by separating them with '|'. Since we don't // have the machinery in place to easily open new tabs from here, // simply truncate the homeURL at the first '|' character to // prevent any possibilities of leaking the users list of home // pages to the first home page. // // Once bug https://bugzilla.mozilla.org/show_bug.cgi?id=221445 is // fixed we can revisit this. PRInt32 firstPipe = homeURL.FindChar('|'); if (firstPipe > 0) { homeURL.Truncate(firstPipe); } } #endif nsresult rv; nsCOMPtr webNav(do_QueryInterface(mDocShell)); NS_ENSURE_TRUE(webNav, NS_ERROR_FAILURE); rv = webNav->LoadURI(homeURL.get(), nsIWebNavigation::LOAD_FLAGS_NONE, nsnull, nsnull, nsnull); NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::Stop() { FORWARD_TO_OUTER(Stop, (), NS_ERROR_NOT_INITIALIZED); nsCOMPtr webNav(do_QueryInterface(mDocShell)); if (!webNav) return NS_OK; return webNav->Stop(nsIWebNavigation::STOP_ALL); } NS_IMETHODIMP nsGlobalWindow::Print() { #ifdef NS_PRINTING FORWARD_TO_OUTER(Print, (), NS_ERROR_NOT_INITIALIZED); if (AreDialogsBlocked() || !ConfirmDialogAllowed()) return NS_ERROR_NOT_AVAILABLE; nsCOMPtr webBrowserPrint; if (NS_SUCCEEDED(GetInterface(NS_GET_IID(nsIWebBrowserPrint), getter_AddRefs(webBrowserPrint)))) { nsCOMPtr printSettingsService = do_GetService("@mozilla.org/gfx/printsettings-service;1"); nsCOMPtr printSettings; if (printSettingsService) { bool printSettingsAreGlobal = Preferences::GetBool("print.use_global_printsettings", false); if (printSettingsAreGlobal) { printSettingsService->GetGlobalPrintSettings(getter_AddRefs(printSettings)); nsXPIDLString printerName; printSettings->GetPrinterName(getter_Copies(printerName)); if (printerName.IsEmpty()) { printSettingsService->GetDefaultPrinterName(getter_Copies(printerName)); printSettings->SetPrinterName(printerName); } printSettingsService->InitPrintSettingsFromPrinter(printerName, printSettings); printSettingsService->InitPrintSettingsFromPrefs(printSettings, true, nsIPrintSettings::kInitSaveAll); } else { printSettingsService->GetNewPrintSettings(getter_AddRefs(printSettings)); } nsCOMPtr callerWin = EnterModalState(); webBrowserPrint->Print(printSettings, nsnull); LeaveModalState(callerWin); bool savePrintSettings = Preferences::GetBool("print.save_print_settings", false); if (printSettingsAreGlobal && savePrintSettings) { printSettingsService-> SavePrintSettingsToPrefs(printSettings, true, nsIPrintSettings::kInitSaveAll); printSettingsService-> SavePrintSettingsToPrefs(printSettings, false, nsIPrintSettings::kInitSavePrinterName); } } else { webBrowserPrint->GetGlobalPrintSettings(getter_AddRefs(printSettings)); webBrowserPrint->Print(printSettings, nsnull); } } #endif //NS_PRINTING return NS_OK; } NS_IMETHODIMP nsGlobalWindow::MoveTo(PRInt32 aXPos, PRInt32 aYPos) { FORWARD_TO_OUTER(MoveTo, (aXPos, aYPos), NS_ERROR_NOT_INITIALIZED); /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent window.moveTo() by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); NS_ENSURE_SUCCESS(CheckSecurityLeftAndTop(&aXPos, &aYPos), NS_ERROR_FAILURE); // mild abuse of a "size" object so we don't need more helper functions nsIntSize devPos(CSSToDevIntPixels(nsIntSize(aXPos, aYPos))); NS_ENSURE_SUCCESS(treeOwnerAsWin->SetPosition(devPos.width, devPos.height), NS_ERROR_FAILURE); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::MoveBy(PRInt32 aXDif, PRInt32 aYDif) { FORWARD_TO_OUTER(MoveBy, (aXDif, aYDif), NS_ERROR_NOT_INITIALIZED); /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent window.moveBy() by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); // To do this correctly we have to convert what we get from GetPosition // into CSS pixels, add the arguments, do the security check, and // then convert back to device pixels for the call to SetPosition. PRInt32 x, y; NS_ENSURE_SUCCESS(treeOwnerAsWin->GetPosition(&x, &y), NS_ERROR_FAILURE); // mild abuse of a "size" object so we don't need more helper functions nsIntSize cssPos(DevToCSSIntPixels(nsIntSize(x, y))); cssPos.width += aXDif; cssPos.height += aYDif; NS_ENSURE_SUCCESS(CheckSecurityLeftAndTop(&cssPos.width, &cssPos.height), NS_ERROR_FAILURE); nsIntSize newDevPos(CSSToDevIntPixels(cssPos)); NS_ENSURE_SUCCESS(treeOwnerAsWin->SetPosition(newDevPos.width, newDevPos.height), NS_ERROR_FAILURE); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::ResizeTo(PRInt32 aWidth, PRInt32 aHeight) { FORWARD_TO_OUTER(ResizeTo, (aWidth, aHeight), NS_ERROR_NOT_INITIALIZED); /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent window.resizeTo() by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); NS_ENSURE_SUCCESS(CheckSecurityWidthAndHeight(&aWidth, &aHeight), NS_ERROR_FAILURE); nsIntSize devSz(CSSToDevIntPixels(nsIntSize(aWidth, aHeight))); NS_ENSURE_SUCCESS(treeOwnerAsWin->SetSize(devSz.width, devSz.height, true), NS_ERROR_FAILURE); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::ResizeBy(PRInt32 aWidthDif, PRInt32 aHeightDif) { FORWARD_TO_OUTER(ResizeBy, (aWidthDif, aHeightDif), NS_ERROR_NOT_INITIALIZED); /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent window.resizeBy() by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE); PRInt32 width, height; NS_ENSURE_SUCCESS(treeOwnerAsWin->GetSize(&width, &height), NS_ERROR_FAILURE); // To do this correctly we have to convert what we got from GetSize // into CSS pixels, add the arguments, do the security check, and // then convert back to device pixels for the call to SetSize. nsIntSize cssSize(DevToCSSIntPixels(nsIntSize(width, height))); cssSize.width += aWidthDif; cssSize.height += aHeightDif; NS_ENSURE_SUCCESS(CheckSecurityWidthAndHeight(&cssSize.width, &cssSize.height), NS_ERROR_FAILURE); nsIntSize newDevSize(CSSToDevIntPixels(cssSize)); NS_ENSURE_SUCCESS(treeOwnerAsWin->SetSize(newDevSize.width, newDevSize.height, true), NS_ERROR_FAILURE); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::SizeToContent() { FORWARD_TO_OUTER(SizeToContent, (), NS_ERROR_NOT_INITIALIZED); if (!mDocShell) { return NS_OK; } /* * If caller is not chrome and the user has not explicitly exempted the site, * prevent window.sizeToContent() by exiting early */ if (!CanMoveResizeWindows() || IsFrame()) { return NS_OK; } // The content viewer does a check to make sure that it's a content // viewer for a toplevel docshell. nsCOMPtr cv; mDocShell->GetContentViewer(getter_AddRefs(cv)); nsCOMPtr markupViewer(do_QueryInterface(cv)); NS_ENSURE_TRUE(markupViewer, NS_ERROR_FAILURE); NS_ENSURE_SUCCESS(markupViewer->SizeToContent(), NS_ERROR_FAILURE); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetWindowRoot(nsIDOMEventTarget **aWindowRoot) { nsCOMPtr root = GetTopWindowRoot(); return CallQueryInterface(root, aWindowRoot); } already_AddRefed nsGlobalWindow::GetTopWindowRoot() { nsIDOMWindow *rootWindow = GetPrivateRoot(); nsCOMPtr piWin(do_QueryInterface(rootWindow)); if (!piWin) return nsnull; nsCOMPtr window = do_QueryInterface(piWin->GetChromeEventHandler()); return window.forget(); } NS_IMETHODIMP nsGlobalWindow::Scroll(PRInt32 aXScroll, PRInt32 aYScroll) { return ScrollTo(aXScroll, aYScroll); } NS_IMETHODIMP nsGlobalWindow::ScrollTo(PRInt32 aXScroll, PRInt32 aYScroll) { FlushPendingNotifications(Flush_Layout); nsIScrollableFrame *sf = GetScrollFrame(); if (sf) { // Here we calculate what the max pixel value is that we can // scroll to, we do this by dividing maxint with the pixel to // twips conversion factor, and substracting 4, the 4 comes from // experimenting with this value, anything less makes the view // code not scroll correctly, I have no idea why. -- jst const PRInt32 maxpx = nsPresContext::AppUnitsToIntCSSPixels(0x7fffffff) - 4; if (aXScroll > maxpx) { aXScroll = maxpx; } if (aYScroll > maxpx) { aYScroll = maxpx; } sf->ScrollTo(nsPoint(nsPresContext::CSSPixelsToAppUnits(aXScroll), nsPresContext::CSSPixelsToAppUnits(aYScroll)), nsIScrollableFrame::INSTANT); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::ScrollBy(PRInt32 aXScrollDif, PRInt32 aYScrollDif) { FlushPendingNotifications(Flush_Layout); nsIScrollableFrame *sf = GetScrollFrame(); if (sf) { nsPoint scrollPos = sf->GetScrollPosition(); // It seems like it would make more sense for ScrollBy to use // SMOOTH mode, but tests seem to depend on the synchronous behaviour. // Perhaps Web content does too. return ScrollTo(nsPresContext::AppUnitsToIntCSSPixels(scrollPos.x) + aXScrollDif, nsPresContext::AppUnitsToIntCSSPixels(scrollPos.y) + aYScrollDif); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::ScrollByLines(PRInt32 numLines) { FlushPendingNotifications(Flush_Layout); nsIScrollableFrame *sf = GetScrollFrame(); if (sf) { // It seems like it would make more sense for ScrollByLines to use // SMOOTH mode, but tests seem to depend on the synchronous behaviour. // Perhaps Web content does too. sf->ScrollBy(nsIntPoint(0, numLines), nsIScrollableFrame::LINES, nsIScrollableFrame::INSTANT); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::ScrollByPages(PRInt32 numPages) { FlushPendingNotifications(Flush_Layout); nsIScrollableFrame *sf = GetScrollFrame(); if (sf) { // It seems like it would make more sense for ScrollByPages to use // SMOOTH mode, but tests seem to depend on the synchronous behaviour. // Perhaps Web content does too. sf->ScrollBy(nsIntPoint(0, numPages), nsIScrollableFrame::PAGES, nsIScrollableFrame::INSTANT); } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::ClearTimeout(PRInt32 aHandle) { if (aHandle <= 0) { return NS_OK; } return ClearTimeoutOrInterval(aHandle); } NS_IMETHODIMP nsGlobalWindow::ClearInterval(PRInt32 aHandle) { if (aHandle <= 0) { return NS_OK; } return ClearTimeoutOrInterval(aHandle); } NS_IMETHODIMP nsGlobalWindow::SetTimeout(PRInt32 *_retval) { return SetTimeoutOrInterval(false, _retval); } NS_IMETHODIMP nsGlobalWindow::SetInterval(PRInt32 *_retval) { return SetTimeoutOrInterval(true, _retval); } NS_IMETHODIMP nsGlobalWindow::SetResizable(bool aResizable) { // nop return NS_OK; } static void ReportUseOfDeprecatedMethod(nsGlobalWindow* aWindow, const char* aWarning) { nsCOMPtr doc = do_QueryInterface(aWindow->GetExtantDocument()); nsContentUtils::ReportToConsole(nsIScriptError::warningFlag, "DOM Events", doc, nsContentUtils::eDOM_PROPERTIES, aWarning); } NS_IMETHODIMP nsGlobalWindow::CaptureEvents(PRInt32 aEventFlags) { ReportUseOfDeprecatedMethod(this, "UseOfCaptureEventsWarning"); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::ReleaseEvents(PRInt32 aEventFlags) { ReportUseOfDeprecatedMethod(this, "UseOfReleaseEventsWarning"); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::RouteEvent(nsIDOMEvent* aEvt) { ReportUseOfDeprecatedMethod(this, "UseOfRouteEventWarning"); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::EnableExternalCapture() { return NS_ERROR_FAILURE; } NS_IMETHODIMP nsGlobalWindow::DisableExternalCapture() { return NS_ERROR_FAILURE; } static bool IsPopupBlocked(nsIDOMDocument* aDoc) { nsCOMPtr pm = do_GetService(NS_POPUPWINDOWMANAGER_CONTRACTID); if (!pm) { return false; } bool blocked = true; nsCOMPtr doc(do_QueryInterface(aDoc)); if (doc) { PRUint32 permission = nsIPopupWindowManager::ALLOW_POPUP; pm->TestPermission(doc->GetDocumentURI(), &permission); blocked = (permission == nsIPopupWindowManager::DENY_POPUP); } return blocked; } /* static */ void nsGlobalWindow::FirePopupBlockedEvent(nsIDOMDocument* aDoc, nsIDOMWindow *aRequestingWindow, nsIURI *aPopupURI, const nsAString &aPopupWindowName, const nsAString &aPopupWindowFeatures) { if (aDoc) { // Fire a "DOMPopupBlocked" event so that the UI can hear about // blocked popups. nsCOMPtr event; aDoc->CreateEvent(NS_LITERAL_STRING("PopupBlockedEvents"), getter_AddRefs(event)); if (event) { nsCOMPtr pbev(do_QueryInterface(event)); pbev->InitPopupBlockedEvent(NS_LITERAL_STRING("DOMPopupBlocked"), true, true, aRequestingWindow, aPopupURI, aPopupWindowName, aPopupWindowFeatures); nsCOMPtr privateEvent(do_QueryInterface(event)); privateEvent->SetTrusted(true); nsCOMPtr targ(do_QueryInterface(aDoc)); bool defaultActionEnabled; targ->DispatchEvent(event, &defaultActionEnabled); } } } void FirePopupWindowEvent(nsIDOMDocument* aDoc) { // Fire a "PopupWindow" event nsCOMPtr doc(do_QueryInterface(aDoc)); nsContentUtils::DispatchTrustedEvent(doc, aDoc, NS_LITERAL_STRING("PopupWindow"), true, true); } // static bool nsGlobalWindow::CanSetProperty(const char *aPrefName) { // Chrome can set any property. if (nsContentUtils::IsCallerTrustedForWrite()) { return true; } // If the pref is set to true, we can not set the property // and vice versa. return !Preferences::GetBool(aPrefName, true); } bool nsGlobalWindow::PopupWhitelisted() { if (!IsPopupBlocked(mDocument)) return true; nsCOMPtr parent; if (NS_FAILED(GetParent(getter_AddRefs(parent))) || parent == static_cast(this)) { return false; } return static_cast (static_cast (parent.get()))->PopupWhitelisted(); } /* * Examine the current document state to see if we're in a way that is * typically abused by web designers. The window.open code uses this * routine to determine whether to allow the new window. * Returns a value from the PopupControlState enum. */ PopupControlState nsGlobalWindow::RevisePopupAbuseLevel(PopupControlState aControl) { FORWARD_TO_OUTER(RevisePopupAbuseLevel, (aControl), aControl); NS_ASSERTION(mDocShell, "Must have docshell"); nsCOMPtr item(do_QueryInterface(mDocShell)); NS_ASSERTION(item, "Docshell doesn't implement nsIDocShellTreeItem?"); PRInt32 type = nsIDocShellTreeItem::typeChrome; item->GetItemType(&type); if (type != nsIDocShellTreeItem::typeContent) return openAllowed; PopupControlState abuse = aControl; switch (abuse) { case openControlled: case openAbused: case openOverridden: if (PopupWhitelisted()) abuse = PopupControlState(abuse - 1); case openAllowed: break; default: NS_WARNING("Strange PopupControlState!"); } // limit the number of simultaneously open popups if (abuse == openAbused || abuse == openControlled) { PRInt32 popupMax = Preferences::GetInt("dom.popup_maximum", -1); if (popupMax >= 0 && gOpenPopupSpamCount >= popupMax) abuse = openOverridden; } return abuse; } /* If a window open is blocked, fire the appropriate DOM events. aBlocked signifies we just blocked a popup. aWindow signifies we just opened what is probably a popup. */ void nsGlobalWindow::FireAbuseEvents(bool aBlocked, bool aWindow, const nsAString &aPopupURL, const nsAString &aPopupWindowName, const nsAString &aPopupWindowFeatures) { // fetch the URI of the window requesting the opened window nsCOMPtr topWindow; GetTop(getter_AddRefs(topWindow)); if (!topWindow) return; nsCOMPtr topDoc; topWindow->GetDocument(getter_AddRefs(topDoc)); nsCOMPtr popupURI; // build the URI of the would-have-been popup window // (see nsWindowWatcher::URIfromURL) // first, fetch the opener's base URI nsIURI *baseURL = 0; JSContext *cx = nsContentUtils::GetCurrentJSContext(); nsCOMPtr contextWindow; if (cx) { nsIScriptContext *currentCX = nsJSUtils::GetDynamicScriptContext(cx); if (currentCX) { contextWindow = do_QueryInterface(currentCX->GetGlobalObject()); } } if (!contextWindow) contextWindow = static_cast(this); nsCOMPtr domdoc; contextWindow->GetDocument(getter_AddRefs(domdoc)); nsCOMPtr doc(do_QueryInterface(domdoc)); if (doc) baseURL = doc->GetDocBaseURI(); // use the base URI to build what would have been the popup's URI nsCOMPtr ios(do_GetService(NS_IOSERVICE_CONTRACTID)); if (ios) ios->NewURI(NS_ConvertUTF16toUTF8(aPopupURL), 0, baseURL, getter_AddRefs(popupURI)); // fire an event chock full of informative URIs if (aBlocked) FirePopupBlockedEvent(topDoc, this, popupURI, aPopupWindowName, aPopupWindowFeatures); if (aWindow) FirePopupWindowEvent(topDoc); } NS_IMETHODIMP nsGlobalWindow::Open(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, nsIDOMWindow **_retval) { return OpenInternal(aUrl, aName, aOptions, false, // aDialog false, // aContentModal true, // aCalledNoScript false, // aDoJSFixups nsnull, nsnull, // No args GetPrincipal(), // aCalleePrincipal nsnull, // aJSCallerContext _retval); } NS_IMETHODIMP nsGlobalWindow::OpenJS(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, nsIDOMWindow **_retval) { return OpenInternal(aUrl, aName, aOptions, false, // aDialog false, // aContentModal false, // aCalledNoScript true, // aDoJSFixups nsnull, nsnull, // No args GetPrincipal(), // aCalleePrincipal nsContentUtils::GetCurrentJSContext(), // aJSCallerContext _retval); } // like Open, but attaches to the new window any extra parameters past // [features] as a JS property named "arguments" NS_IMETHODIMP nsGlobalWindow::OpenDialog(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, nsISupports* aExtraArgument, nsIDOMWindow** _retval) { return OpenInternal(aUrl, aName, aOptions, true, // aDialog false, // aContentModal true, // aCalledNoScript false, // aDoJSFixups nsnull, aExtraArgument, // Arguments GetPrincipal(), // aCalleePrincipal nsnull, // aJSCallerContext _retval); } NS_IMETHODIMP nsGlobalWindow::OpenDialog(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, nsIDOMWindow** _retval) { if (!nsContentUtils::IsCallerTrustedForWrite()) { return NS_ERROR_DOM_SECURITY_ERR; } nsAXPCNativeCallContext *ncc = nsnull; nsresult rv = nsContentUtils::XPConnect()-> GetCurrentNativeCallContext(&ncc); NS_ENSURE_SUCCESS(rv, rv); if (!ncc) return NS_ERROR_NOT_AVAILABLE; JSContext *cx = nsnull; rv = ncc->GetJSContext(&cx); NS_ENSURE_SUCCESS(rv, rv); PRUint32 argc; jsval *argv = nsnull; // XXX - need to get this as nsISupports? ncc->GetArgc(&argc); ncc->GetArgvPtr(&argv); // Strip the url, name and options from the args seen by scripts. PRUint32 argOffset = argc < 3 ? argc : 3; nsCOMPtr argvArray; rv = NS_CreateJSArgv(cx, argc - argOffset, argv + argOffset, getter_AddRefs(argvArray)); NS_ENSURE_SUCCESS(rv, rv); return OpenInternal(aUrl, aName, aOptions, true, // aDialog false, // aContentModal false, // aCalledNoScript false, // aDoJSFixups argvArray, nsnull, // Arguments GetPrincipal(), // aCalleePrincipal cx, // aJSCallerContext _retval); } NS_IMETHODIMP nsGlobalWindow::GetFrames(nsIDOMWindow** aFrames) { FORWARD_TO_OUTER(GetFrames, (aFrames), NS_ERROR_NOT_INITIALIZED); *aFrames = this; NS_ADDREF(*aFrames); FlushPendingNotifications(Flush_ContentAndNotify); return NS_OK; } nsGlobalWindow* nsGlobalWindow::CallerInnerWindow() { JSContext *cx = nsContentUtils::GetCurrentJSContext(); if (!cx) { NS_ERROR("Please don't call this method from C++!"); return nsnull; } JSObject *scope = nsnull; JSStackFrame *fp = nsnull; JS_FrameIterator(cx, &fp); if (fp) { while (!JS_IsScriptFrame(cx, fp)) { if (!JS_FrameIterator(cx, &fp)) break; } if (fp) scope = JS_GetGlobalForFrame(fp); } if (!scope) scope = JS_GetGlobalForScopeChain(cx); JSAutoEnterCompartment ac; if (!ac.enter(cx, scope)) return nsnull; nsCOMPtr wrapper; nsContentUtils::XPConnect()-> GetWrappedNativeOfJSObject(cx, scope, getter_AddRefs(wrapper)); if (!wrapper) return nsnull; // The calling window must be holding a reference, so we can just return a // raw pointer here and let the QI's addref be balanced by the nsCOMPtr // destructor's release. nsCOMPtr win = do_QueryWrappedNative(wrapper); if (!win) return GetCurrentInnerWindowInternal(); return static_cast(win.get()); } /** * Class used to represent events generated by calls to Window.postMessage, * which asynchronously creates and dispatches events. */ class PostMessageEvent : public nsRunnable { public: NS_DECL_NSIRUNNABLE PostMessageEvent(nsGlobalWindow* aSource, const nsAString& aCallerOrigin, nsGlobalWindow* aTargetWindow, nsIURI* aProvidedOrigin, bool aTrustedCaller) : mSource(aSource), mCallerOrigin(aCallerOrigin), mMessage(nsnull), mMessageLen(0), mTargetWindow(aTargetWindow), mProvidedOrigin(aProvidedOrigin), mTrustedCaller(aTrustedCaller) { MOZ_COUNT_CTOR(PostMessageEvent); } ~PostMessageEvent() { NS_ASSERTION(!mMessage, "Message should have been deserialized!"); MOZ_COUNT_DTOR(PostMessageEvent); } void SetJSData(JSAutoStructuredCloneBuffer& aBuffer) { NS_ASSERTION(!mMessage && mMessageLen == 0, "Don't call twice!"); aBuffer.steal(&mMessage, &mMessageLen); } bool StoreISupports(nsISupports* aSupports) { mSupportsArray.AppendElement(aSupports); return true; } private: nsRefPtr mSource; nsString mCallerOrigin; uint64_t* mMessage; size_t mMessageLen; nsRefPtr mTargetWindow; nsCOMPtr mProvidedOrigin; bool mTrustedCaller; nsTArray > mSupportsArray; }; namespace { struct StructuredCloneInfo { PostMessageEvent* event; bool subsumes; }; static JSObject* PostMessageReadStructuredClone(JSContext* cx, JSStructuredCloneReader* reader, uint32 tag, uint32 data, void* closure) { NS_ASSERTION(closure, "Must have closure!"); if (tag == SCTAG_DOM_BLOB || tag == SCTAG_DOM_FILELIST) { NS_ASSERTION(!data, "Data should be empty"); nsISupports* supports; if (JS_ReadBytes(reader, &supports, sizeof(supports))) { JSObject* global = JS_GetGlobalForScopeChain(cx); if (global) { jsval val; nsCOMPtr wrapper; if (NS_SUCCEEDED(nsContentUtils::WrapNative(cx, global, supports, &val, getter_AddRefs(wrapper)))) { return JSVAL_TO_OBJECT(val); } } } } const JSStructuredCloneCallbacks* runtimeCallbacks = js::GetContextStructuredCloneCallbacks(cx); if (runtimeCallbacks) { return runtimeCallbacks->read(cx, reader, tag, data, nsnull); } return JS_FALSE; } static JSBool PostMessageWriteStructuredClone(JSContext* cx, JSStructuredCloneWriter* writer, JSObject* obj, void *closure) { StructuredCloneInfo* scInfo = static_cast(closure); NS_ASSERTION(scInfo, "Must have scInfo!"); nsCOMPtr wrappedNative; nsContentUtils::XPConnect()-> GetWrappedNativeOfJSObject(cx, obj, getter_AddRefs(wrappedNative)); if (wrappedNative) { PRUint32 scTag = 0; nsISupports* supports = wrappedNative->Native(); nsCOMPtr blob = do_QueryInterface(supports); if (blob && scInfo->subsumes) scTag = SCTAG_DOM_BLOB; nsCOMPtr list = do_QueryInterface(supports); if (list && scInfo->subsumes) scTag = SCTAG_DOM_FILELIST; if (scTag) return JS_WriteUint32Pair(writer, scTag, 0) && JS_WriteBytes(writer, &supports, sizeof(supports)) && scInfo->event->StoreISupports(supports); } const JSStructuredCloneCallbacks* runtimeCallbacks = js::GetContextStructuredCloneCallbacks(cx); if (runtimeCallbacks) { return runtimeCallbacks->write(cx, writer, obj, nsnull); } return JS_FALSE; } JSStructuredCloneCallbacks kPostMessageCallbacks = { PostMessageReadStructuredClone, PostMessageWriteStructuredClone, nsnull }; } // anonymous namespace NS_IMETHODIMP PostMessageEvent::Run() { NS_ABORT_IF_FALSE(mTargetWindow->IsOuterWindow(), "should have been passed an outer window!"); NS_ABORT_IF_FALSE(!mSource || mSource->IsOuterWindow(), "should have been passed an outer window!"); // Get the JSContext for the target window JSContext* cx = nsnull; nsIScriptContext* scriptContext = mTargetWindow->GetContext(); if (scriptContext) { cx = scriptContext->GetNativeContext(); } if (!cx) { // This can happen if mTargetWindow has been closed. To avoid leaking, // we need to find a JSContext. nsIThreadJSContextStack* cxStack = nsContentUtils::ThreadJSContextStack(); if (cxStack) { cxStack->GetSafeJSContext(&cx); } if (!cx) { NS_WARNING("Cannot find a JSContext! Leaking PostMessage buffer."); return NS_ERROR_FAILURE; } } // If we bailed before this point we're going to leak mMessage, but // that's probably better than crashing. // Ensure that the buffer is freed even if we fail to post the message JSAutoStructuredCloneBuffer buffer; buffer.adopt(mMessage, mMessageLen); mMessage = nsnull; mMessageLen = 0; nsRefPtr targetWindow; if (mTargetWindow->IsClosedOrClosing() || !(targetWindow = mTargetWindow->GetCurrentInnerWindowInternal()) || targetWindow->IsClosedOrClosing()) return NS_OK; NS_ABORT_IF_FALSE(targetWindow->IsInnerWindow(), "we ordered an inner window!"); // Ensure that any origin which might have been provided is the origin of this // window's document. Note that we do this *now* instead of when postMessage // is called because the target window might have been navigated to a // different location between then and now. If this check happened when // postMessage was called, it would be fairly easy for a malicious webpage to // intercept messages intended for another site by carefully timing navigation // of the target window so it changed location after postMessage but before // now. if (mProvidedOrigin) { // Get the target's origin either from its principal or, in the case the // principal doesn't carry a URI (e.g. the system principal), the target's // document. nsIPrincipal* targetPrin = targetWindow->GetPrincipal(); if (!targetPrin) return NS_OK; nsCOMPtr targetURI; if (NS_FAILED(targetPrin->GetURI(getter_AddRefs(targetURI)))) return NS_OK; if (!targetURI) { targetURI = targetWindow->mDoc->GetDocumentURI(); if (!targetURI) return NS_OK; } // Note: This is contrary to the spec with respect to file: URLs, which // the spec groups into a single origin, but given we intentionally // don't do that in other places it seems better to hold the line for // now. Long-term, we want HTML5 to address this so that we can // be compliant while being safer. nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager(); nsresult rv = ssm->CheckSameOriginURI(mProvidedOrigin, targetURI, true); if (NS_FAILED(rv)) return NS_OK; } // Deserialize the structured clone data jsval messageData; { JSAutoRequest ar(cx); StructuredCloneInfo scInfo; scInfo.event = this; if (!buffer.read(cx, &messageData, &kPostMessageCallbacks, &scInfo)) return NS_ERROR_DOM_DATA_CLONE_ERR; } // Create the event nsCOMPtr domDoc = do_QueryInterface(targetWindow->mDocument); if (!domDoc) return NS_OK; nsCOMPtr event; domDoc->CreateEvent(NS_LITERAL_STRING("MessageEvent"), getter_AddRefs(event)); if (!event) return NS_OK; nsCOMPtr message = do_QueryInterface(event); nsresult rv = message->InitMessageEvent(NS_LITERAL_STRING("message"), false /* non-bubbling */, true /* cancelable */, messageData, mCallerOrigin, EmptyString(), mSource); if (NS_FAILED(rv)) return NS_OK; // We can't simply call dispatchEvent on the window because doing so ends // up flipping the trusted bit on the event, and we don't want that to // happen because then untrusted content can call postMessage on a chrome // window if it can get a reference to it. nsIPresShell *shell = targetWindow->mDoc->GetShell(); nsRefPtr presContext; if (shell) presContext = shell->GetPresContext(); nsCOMPtr privEvent = do_QueryInterface(message); privEvent->SetTrusted(mTrustedCaller); nsEvent *internalEvent = privEvent->GetInternalNSEvent(); nsEventStatus status = nsEventStatus_eIgnore; nsEventDispatcher::Dispatch(static_cast(mTargetWindow), presContext, internalEvent, message, &status); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::PostMessageMoz(const jsval& aMessage, const nsAString& aOrigin, JSContext* aCx) { FORWARD_TO_OUTER(PostMessageMoz, (aMessage, aOrigin, aCx), NS_ERROR_NOT_INITIALIZED); // // Window.postMessage is an intentional subversion of the same-origin policy. // As such, this code must be particularly careful in the information it // exposes to calling code. // // http://www.whatwg.org/specs/web-apps/current-work/multipage/section-crossDocumentMessages.html // // First, get the caller's window nsRefPtr callerInnerWin = CallerInnerWindow(); if (!callerInnerWin) return NS_OK; NS_ABORT_IF_FALSE(callerInnerWin->IsInnerWindow(), "should have gotten an inner window here"); // Compute the caller's origin either from its principal or, in the case the // principal doesn't carry a URI (e.g. the system principal), the caller's // document. We must get this now instead of when the event is created and // dispatched, because ultimately it is the identity of the calling window // *now* that determines who sent the message (and not an identity which might // have changed due to intervening navigations). nsIPrincipal* callerPrin = callerInnerWin->GetPrincipal(); if (!callerPrin) return NS_OK; nsCOMPtr callerOuterURI; if (NS_FAILED(callerPrin->GetURI(getter_AddRefs(callerOuterURI)))) return NS_OK; nsAutoString origin; if (callerOuterURI) { // if the principal has a URI, use that to generate the origin nsContentUtils::GetUTFOrigin(callerPrin, origin); } else { // otherwise use the URI of the document to generate origin nsCOMPtr doc = do_QueryInterface(callerInnerWin->mDocument); if (!doc) return NS_OK; callerOuterURI = doc->GetDocumentURI(); // if the principal has a URI, use that to generate the origin nsContentUtils::GetUTFOrigin(callerOuterURI, origin); } // Convert the provided origin string into a URI for comparison purposes. // "*" indicates no specific origin is required. nsCOMPtr providedOrigin; if (!aOrigin.EqualsASCII("*")) { if (NS_FAILED(NS_NewURI(getter_AddRefs(providedOrigin), aOrigin))) return NS_ERROR_DOM_SYNTAX_ERR; if (NS_FAILED(providedOrigin->SetUserPass(EmptyCString())) || NS_FAILED(providedOrigin->SetPath(EmptyCString()))) return NS_OK; } // Create and asynchronously dispatch a runnable which will handle actual DOM // event creation and dispatch. nsRefPtr event = new PostMessageEvent(nsContentUtils::IsCallerChrome() ? nsnull : callerInnerWin->GetOuterWindowInternal(), origin, this, providedOrigin, nsContentUtils::IsCallerTrustedForWrite()); // We *must* clone the data here, or the jsval could be modified // by script JSAutoStructuredCloneBuffer buffer; StructuredCloneInfo scInfo; scInfo.event = event; nsIPrincipal* principal = GetPrincipal(); if (NS_FAILED(callerPrin->Subsumes(principal, &scInfo.subsumes))) return NS_ERROR_DOM_DATA_CLONE_ERR; if (!buffer.write(aCx, aMessage, &kPostMessageCallbacks, &scInfo)) return NS_ERROR_DOM_DATA_CLONE_ERR; event->SetJSData(buffer); return NS_DispatchToCurrentThread(event); } class nsCloseEvent : public nsRunnable { nsRefPtr mWindow; nsCloseEvent(nsGlobalWindow *aWindow) : mWindow(aWindow) {} public: static nsresult PostCloseEvent(nsGlobalWindow* aWindow) { nsCOMPtr ev = new nsCloseEvent(aWindow); nsresult rv = NS_DispatchToCurrentThread(ev); if (NS_SUCCEEDED(rv)) aWindow->MaybeForgiveSpamCount(); return rv; } NS_IMETHOD Run() { if (mWindow) mWindow->ReallyCloseWindow(); return NS_OK; } }; bool nsGlobalWindow::CanClose() { if (!mDocShell) return true; // Ask the content viewer whether the toplevel window can close. // If the content viewer returns false, it is responsible for calling // Close() as soon as it is possible for the window to close. // This allows us to not close the window while printing is happening. nsCOMPtr cv; mDocShell->GetContentViewer(getter_AddRefs(cv)); if (cv) { bool canClose; nsresult rv = cv->PermitUnload(false, &canClose); if (NS_SUCCEEDED(rv) && !canClose) return false; rv = cv->RequestWindowClose(&canClose); if (NS_SUCCEEDED(rv) && !canClose) return false; } return true; } NS_IMETHODIMP nsGlobalWindow::Close() { FORWARD_TO_OUTER(Close, (), NS_ERROR_NOT_INITIALIZED); if (IsFrame() || !mDocShell || IsInModalState()) { // window.close() is called on a frame in a frameset, on a window // that's already closed, or on a window for which there's // currently a modal dialog open. Ignore such calls. return NS_OK; } if (mHavePendingClose) { // We're going to be closed anyway; do nothing since we don't want // to double-close return NS_OK; } if (mBlockScriptedClosingFlag) { // A script's popup has been blocked and we don't want // the window to be closed directly after this event, // so the user can see that there was a blocked popup. return NS_OK; } // Don't allow scripts from content to close windows // that were not opened by script if (!mHadOriginalOpener && !nsContentUtils::IsCallerTrustedForWrite()) { bool allowClose = Preferences::GetBool("dom.allow_scripts_to_close_windows", true); if (!allowClose) { // We're blocking the close operation // report localized error msg in JS console nsContentUtils::ReportToConsole( nsIScriptError::warningFlag, "DOM Window", mDoc, // Better name for the category? nsContentUtils::eDOM_PROPERTIES, "WindowCloseBlockedWarning"); return NS_OK; } } if (!mInClose && !mIsClosed && !CanClose()) return NS_OK; // Fire a DOM event notifying listeners that this window is about to // be closed. The tab UI code may choose to cancel the default // action for this event, if so, we won't actually close the window // (since the tab UI code will close the tab in stead). Sure, this // could be abused by content code, but do we care? I don't think // so... bool wasInClose = mInClose; mInClose = true; if (!DispatchCustomEvent("DOMWindowClose")) { // Someone chose to prevent the default action for this event, if // so, let's not close this window after all... mInClose = wasInClose; return NS_OK; } return FinalClose(); } nsresult nsGlobalWindow::ForceClose() { if (IsFrame() || !mDocShell) { // This may be a frame in a frameset, or a window that's already closed. // Ignore such calls. return NS_OK; } if (mHavePendingClose) { // We're going to be closed anyway; do nothing since we don't want // to double-close return NS_OK; } mInClose = true; DispatchCustomEvent("DOMWindowClose"); return FinalClose(); } nsresult nsGlobalWindow::FinalClose() { nsresult rv; // Flag that we were closed. mIsClosed = true; nsCOMPtr stack = do_GetService(sJSStackContractID); JSContext *cx = nsnull; if (stack) { stack->Peek(&cx); } if (cx) { nsIScriptContext *currentCX = nsJSUtils::GetDynamicScriptContext(cx); if (currentCX && currentCX == GetContextInternal()) { // We ignore the return value here. If setting the termination function // fails, it's better to fail to close the window than it is to crash // (which is what would tend to happen if we did this synchronously // here). rv = currentCX->SetTerminationFunction(CloseWindow, static_cast (this)); if (NS_SUCCEEDED(rv)) { mHavePendingClose = true; } return NS_OK; } } // We may have plugins on the page that have issued this close from their // event loop and because we currently destroy the plugin window with // frames, we crash. So, if we are called from Javascript, post an event // to really close the window. rv = NS_ERROR_FAILURE; if (!nsContentUtils::IsCallerChrome()) { rv = nsCloseEvent::PostCloseEvent(this); } if (NS_FAILED(rv)) { ReallyCloseWindow(); rv = NS_OK; } else { mHavePendingClose = true; } return rv; } void nsGlobalWindow::ReallyCloseWindow() { FORWARD_TO_OUTER_VOID(ReallyCloseWindow, ()); // Make sure we never reenter this method. mHavePendingClose = true; nsCOMPtr treeOwnerAsWin; GetTreeOwner(getter_AddRefs(treeOwnerAsWin)); // If there's no treeOwnerAsWin, this window must already be closed. if (treeOwnerAsWin) { // but if we're a browser window we could be in some nasty // self-destroying cascade that we should mostly ignore nsCOMPtr docItem(do_QueryInterface(mDocShell)); if (docItem) { nsCOMPtr bwin; nsCOMPtr rootItem; docItem->GetRootTreeItem(getter_AddRefs(rootItem)); nsCOMPtr rootWin(do_GetInterface(rootItem)); nsCOMPtr chromeWin(do_QueryInterface(rootWin)); if (chromeWin) chromeWin->GetBrowserDOMWindow(getter_AddRefs(bwin)); if (rootWin) { /* Normally we destroy the entire window, but not if this DOM window belongs to a tabbed browser and doesn't correspond to a tab. This allows a well-behaved tab to destroy the container as it should but is a final measure to prevent an errant tab from doing so when it shouldn't. This works because we reach this code when we shouldn't only in the particular circumstance that we belong to a tab that has just been closed (and is therefore already missing from the list of browsers) (and has an unload handler that closes the window). */ // XXXbz now that we have mHavePendingClose, is this needed? bool isTab = false; if (rootWin == this || !bwin || (bwin->IsTabContentWindow(GetOuterWindowInternal(), &isTab), isTab)) treeOwnerAsWin->Destroy(); } } CleanUp(false); } } nsIDOMWindow * nsGlobalWindow::EnterModalState() { nsGlobalWindow* topWin = GetTop(); if (!topWin) { NS_ERROR("Uh, EnterModalState() called w/o a reachable top window?"); return nsnull; } // If there is an active ESM in this window, clear it. Otherwise, this can // cause a problem if a modal state is entered during a mouseup event. nsEventStateManager* activeESM = static_cast(nsEventStateManager::GetActiveEventStateManager()); if (activeESM && activeESM->GetPresContext()) { nsIPresShell* activeShell = activeESM->GetPresContext()->GetPresShell(); if (activeShell && ( nsContentUtils::ContentIsCrossDocDescendantOf(activeShell->GetDocument(), mDoc) || nsContentUtils::ContentIsCrossDocDescendantOf(mDoc, activeShell->GetDocument()))) { nsEventStateManager::ClearGlobalActiveContent(activeESM); activeShell->SetCapturingContent(nsnull, 0); if (activeShell) { nsRefPtr frameSelection = activeShell->FrameSelection(); frameSelection->SetMouseDownState(false); } } } if (topWin->mModalStateDepth == 0) { NS_ASSERTION(!mSuspendedDoc, "Shouldn't have mSuspendedDoc here!"); mSuspendedDoc = do_QueryInterface(topWin->GetExtantDocument()); if (mSuspendedDoc && mSuspendedDoc->EventHandlingSuppressed()) { mSuspendedDoc->SuppressEventHandling(); } else { mSuspendedDoc = nsnull; } } topWin->mModalStateDepth++; JSContext *cx = nsContentUtils::GetCurrentJSContext(); nsCOMPtr callerWin; nsIScriptContext *scx; if (cx && (scx = GetScriptContextFromJSContext(cx))) { scx->EnterModalState(); callerWin = do_QueryInterface(nsJSUtils::GetDynamicScriptGlobal(cx)); } if (mContext) { mContext->EnterModalState(); } return callerWin; } // static void nsGlobalWindow::RunPendingTimeoutsRecursive(nsGlobalWindow *aTopWindow, nsGlobalWindow *aWindow) { nsGlobalWindow *inner; // Return early if we're frozen or have no inner window. if (!(inner = aWindow->GetCurrentInnerWindowInternal()) || inner->IsFrozen()) { return; } inner->RunTimeout(nsnull); // Check again if we're frozen since running pending timeouts // could've frozen us. if (inner->IsFrozen()) { return; } nsCOMPtr frames; aWindow->GetFrames(getter_AddRefs(frames)); if (!frames) { return; } PRUint32 i, length; if (NS_FAILED(frames->GetLength(&length)) || !length) { return; } for (i = 0; i < length && aTopWindow->mModalStateDepth == 0; i++) { nsCOMPtr child; frames->Item(i, getter_AddRefs(child)); if (!child) { return; } nsGlobalWindow *childWin = static_cast (static_cast (child.get())); RunPendingTimeoutsRecursive(aTopWindow, childWin); } } class nsPendingTimeoutRunner : public nsRunnable { public: nsPendingTimeoutRunner(nsGlobalWindow *aWindow) : mWindow(aWindow) { NS_ASSERTION(mWindow, "mWindow is null."); } NS_IMETHOD Run() { nsGlobalWindow::RunPendingTimeoutsRecursive(mWindow, mWindow); return NS_OK; } private: nsRefPtr mWindow; }; void nsGlobalWindow::LeaveModalState(nsIDOMWindow *aCallerWin) { nsGlobalWindow *topWin = GetTop(); if (!topWin) { NS_ERROR("Uh, LeaveModalState() called w/o a reachable top window?"); return; } topWin->mModalStateDepth--; if (topWin->mModalStateDepth == 0) { nsCOMPtr runner = new nsPendingTimeoutRunner(topWin); if (NS_FAILED(NS_DispatchToCurrentThread(runner))) NS_WARNING("failed to dispatch pending timeout runnable"); if (mSuspendedDoc) { nsCOMPtr currentDoc = do_QueryInterface(topWin->GetExtantDocument()); mSuspendedDoc->UnsuppressEventHandlingAndFireEvents(currentDoc == mSuspendedDoc); mSuspendedDoc = nsnull; } } if (aCallerWin) { nsCOMPtr sgo(do_QueryInterface(aCallerWin)); nsIScriptContext *scx = sgo->GetContext(); if (scx) scx->LeaveModalState(); } if (mContext) { mContext->LeaveModalState(); } // Remember the time of the last dialog quit. nsGlobalWindow *inner = topWin->GetCurrentInnerWindowInternal(); if (inner) inner->mLastDialogQuitTime = TimeStamp::Now(); } bool nsGlobalWindow::IsInModalState() { nsGlobalWindow *topWin = GetTop(); if (!topWin) { NS_ERROR("Uh, IsInModalState() called w/o a reachable top window?"); return false; } return topWin->mModalStateDepth != 0; } // static void nsGlobalWindow::NotifyDOMWindowDestroyed(nsGlobalWindow* aWindow) { nsCOMPtr observerService = services::GetObserverService(); if (observerService) { observerService-> NotifyObservers(static_cast(aWindow), DOM_WINDOW_DESTROYED_TOPIC, nsnull); } } class WindowDestroyedEvent : public nsRunnable { public: WindowDestroyedEvent(PRUint64 aID, const char* aTopic) : mID(aID), mTopic(aTopic) {} NS_IMETHOD Run() { nsCOMPtr observerService = do_GetService("@mozilla.org/observer-service;1"); if (observerService) { nsCOMPtr wrapper = do_CreateInstance(NS_SUPPORTS_PRUINT64_CONTRACTID); if (wrapper) { wrapper->SetData(mID); observerService->NotifyObservers(wrapper, mTopic.get(), nsnull); } } return NS_OK; } private: PRUint64 mID; nsCString mTopic; }; void nsGlobalWindow::NotifyWindowIDDestroyed(const char* aTopic) { nsRefPtr runnable = new WindowDestroyedEvent(mWindowID, aTopic); nsresult rv = NS_DispatchToCurrentThread(runnable); if (NS_SUCCEEDED(rv)) { mNotifiedIDDestroyed = true; } } // static void nsGlobalWindow::NotifyDOMWindowFrozen(nsGlobalWindow* aWindow) { if (aWindow && aWindow->IsInnerWindow()) { nsCOMPtr observerService = services::GetObserverService(); if (observerService) { observerService-> NotifyObservers(static_cast(aWindow), DOM_WINDOW_FROZEN_TOPIC, nsnull); } } } // static void nsGlobalWindow::NotifyDOMWindowThawed(nsGlobalWindow* aWindow) { if (aWindow && aWindow->IsInnerWindow()) { nsCOMPtr observerService = services::GetObserverService(); if (observerService) { observerService-> NotifyObservers(static_cast(aWindow), DOM_WINDOW_THAWED_TOPIC, nsnull); } } } void nsGlobalWindow::InitJavaProperties() { nsIScriptContext *scx = GetContextInternal(); if (mDidInitJavaProperties || IsOuterWindow() || !scx || !mJSObject) { return; } // Set mDidInitJavaProperties to true here even if initialization // can fail. If it fails, we won't try again... mDidInitJavaProperties = true; mDummyJavaPluginOwner = new nsDummyJavaPluginOwner(mDoc); if (!mDummyJavaPluginOwner) { return; } nsCOMPtr pluginHostCOM(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID)); nsPluginHost *pluginHost = static_cast(pluginHostCOM.get()); if (!pluginHost) { return; } pluginHost->InstantiateDummyJavaPlugin(mDummyJavaPluginOwner); // It's possible for us (or the Java plugin, rather) to process // events during the above call, which can lead to this window being // torn down or what not, so re-check that the dummy plugin is still // around. if (!mDummyJavaPluginOwner) { return; } nsRefPtr dummyPlugin; mDummyJavaPluginOwner->GetInstance(getter_AddRefs(dummyPlugin)); if (dummyPlugin) { // A dummy plugin was instantiated. This means we have a Java // plugin that supports NPRuntime. For such a plugin, the plugin // instantiation code defines the Java properties for us, so we're // done here. return; } // No NPRuntime enabled Java plugin found, null out the owner we // would have used in that case as it's no longer needed. mDummyJavaPluginOwner = nsnull; } JSObject* nsGlobalWindow::GetCachedXBLPrototypeHandler(nsXBLPrototypeHandler* aKey) { JSObject* handler = nsnull; if (mCachedXBLPrototypeHandlers.IsInitialized()) { mCachedXBLPrototypeHandlers.Get(aKey, &handler); } return handler; } void nsGlobalWindow::CacheXBLPrototypeHandler(nsXBLPrototypeHandler* aKey, nsScriptObjectHolder& aHandler) { if (!mCachedXBLPrototypeHandlers.IsInitialized() && !mCachedXBLPrototypeHandlers.Init()) { NS_ERROR("Failed to initiailize hashtable!"); return; } if (!mCachedXBLPrototypeHandlers.Count()) { // Can't use macros to get the participant because nsGlobalChromeWindow also // runs through this code. Use QueryInterface to get the correct objects. nsXPCOMCycleCollectionParticipant* participant; CallQueryInterface(this, &participant); NS_ASSERTION(participant, "Failed to QI to nsXPCOMCycleCollectionParticipant!"); nsISupports* thisSupports; QueryInterface(NS_GET_IID(nsCycleCollectionISupports), reinterpret_cast(&thisSupports)); NS_ASSERTION(thisSupports, "Failed to QI to nsCycleCollectionISupports!"); nsresult rv = nsContentUtils::HoldJSObjects(thisSupports, participant); if (NS_FAILED(rv)) { NS_ERROR("nsContentUtils::HoldJSObjects failed!"); return; } } mCachedXBLPrototypeHandlers.Put(aKey, aHandler.get()); } NS_IMETHODIMP nsGlobalWindow::GetFrameElement(nsIDOMElement** aFrameElement) { FORWARD_TO_OUTER(GetFrameElement, (aFrameElement), NS_ERROR_NOT_INITIALIZED); *aFrameElement = nsnull; nsCOMPtr docShellTI(do_QueryInterface(mDocShell)); if (!docShellTI) { return NS_OK; } nsCOMPtr parent; docShellTI->GetSameTypeParent(getter_AddRefs(parent)); if (!parent || parent == docShellTI) { // We're at a chrome boundary, don't expose the chrome iframe // element to content code. return NS_OK; } *aFrameElement = mFrameElement; NS_IF_ADDREF(*aFrameElement); return NS_OK; } // Helper for converting window.showModalDialog() options (list of ';' // separated name (:|=) value pairs) to a format that's parsable by // our normal window opening code. void ConvertDialogOptions(const nsAString& aOptions, nsAString& aResult) { nsAString::const_iterator end; aOptions.EndReading(end); nsAString::const_iterator iter; aOptions.BeginReading(iter); while (iter != end) { // Skip whitespace. while (nsCRT::IsAsciiSpace(*iter) && iter != end) { ++iter; } nsAString::const_iterator name_start = iter; // Skip characters until we find whitespace, ';', ':', or '=' while (iter != end && !nsCRT::IsAsciiSpace(*iter) && *iter != ';' && *iter != ':' && *iter != '=') { ++iter; } nsAString::const_iterator name_end = iter; // Skip whitespace. while (nsCRT::IsAsciiSpace(*iter) && iter != end) { ++iter; } if (*iter == ';') { // No value found, skip the ';' and keep going. ++iter; continue; } nsAString::const_iterator value_start = iter; nsAString::const_iterator value_end = iter; if (*iter == ':' || *iter == '=') { // We found name followed by ':' or '='. Look for a value. iter++; // Skip the ':' or '=' // Skip whitespace. while (nsCRT::IsAsciiSpace(*iter) && iter != end) { ++iter; } value_start = iter; // Skip until we find whitespace, or ';'. while (iter != end && !nsCRT::IsAsciiSpace(*iter) && *iter != ';') { ++iter; } value_end = iter; // Skip whitespace. while (nsCRT::IsAsciiSpace(*iter) && iter != end) { ++iter; } } const nsDependentSubstring& name = Substring(name_start, name_end); const nsDependentSubstring& value = Substring(value_start, value_end); if (name.LowerCaseEqualsLiteral("center")) { if (value.LowerCaseEqualsLiteral("on") || value.LowerCaseEqualsLiteral("yes") || value.LowerCaseEqualsLiteral("1")) { aResult.AppendLiteral(",centerscreen=1"); } } else if (name.LowerCaseEqualsLiteral("dialogwidth")) { if (!value.IsEmpty()) { aResult.AppendLiteral(",width="); aResult.Append(value); } } else if (name.LowerCaseEqualsLiteral("dialogheight")) { if (!value.IsEmpty()) { aResult.AppendLiteral(",height="); aResult.Append(value); } } else if (name.LowerCaseEqualsLiteral("dialogtop")) { if (!value.IsEmpty()) { aResult.AppendLiteral(",top="); aResult.Append(value); } } else if (name.LowerCaseEqualsLiteral("dialogleft")) { if (!value.IsEmpty()) { aResult.AppendLiteral(",left="); aResult.Append(value); } } else if (name.LowerCaseEqualsLiteral("resizable")) { if (value.LowerCaseEqualsLiteral("on") || value.LowerCaseEqualsLiteral("yes") || value.LowerCaseEqualsLiteral("1")) { aResult.AppendLiteral(",resizable=1"); } } else if (name.LowerCaseEqualsLiteral("scroll")) { if (value.LowerCaseEqualsLiteral("off") || value.LowerCaseEqualsLiteral("no") || value.LowerCaseEqualsLiteral("0")) { aResult.AppendLiteral(",scrollbars=0"); } } if (iter == end) { break; } iter++; } } NS_IMETHODIMP nsGlobalWindow::ShowModalDialog(const nsAString& aURI, nsIVariant *aArgs, const nsAString& aOptions, nsIVariant **aRetVal) { FORWARD_TO_OUTER(ShowModalDialog, (aURI, aArgs, aOptions, aRetVal), NS_ERROR_NOT_INITIALIZED); *aRetVal = nsnull; // Before bringing up the window/dialog, unsuppress painting and flush // pending reflows. EnsureReflowFlushAndPaint(); if (AreDialogsBlocked() || !ConfirmDialogAllowed()) return NS_ERROR_NOT_AVAILABLE; nsCOMPtr dlgWin; nsAutoString options(NS_LITERAL_STRING("-moz-internal-modal=1,status=1")); ConvertDialogOptions(aOptions, options); options.AppendLiteral(",scrollbars=1,centerscreen=1,resizable=0"); nsCOMPtr callerWin = EnterModalState(); nsresult rv = OpenInternal(aURI, EmptyString(), options, false, // aDialog true, // aContentModal true, // aCalledNoScript true, // aDoJSFixups nsnull, aArgs, // args GetPrincipal(), // aCalleePrincipal nsnull, // aJSCallerContext getter_AddRefs(dlgWin)); LeaveModalState(callerWin); NS_ENSURE_SUCCESS(rv, rv); if (dlgWin) { nsCOMPtr subjectPrincipal; rv = nsContentUtils::GetSecurityManager()-> GetSubjectPrincipal(getter_AddRefs(subjectPrincipal)); if (NS_FAILED(rv)) { return rv; } bool canAccess = true; if (subjectPrincipal) { nsCOMPtr objPrincipal = do_QueryInterface(dlgWin); nsCOMPtr dialogPrincipal; if (objPrincipal) { dialogPrincipal = objPrincipal->GetPrincipal(); rv = subjectPrincipal->Subsumes(dialogPrincipal, &canAccess); NS_ENSURE_SUCCESS(rv, rv); } else { // Uh, not sure what kind of dialog this is. Prevent access to // be on the safe side... canAccess = false; } } nsCOMPtr win(do_QueryInterface(dlgWin)); if (canAccess) { nsPIDOMWindow *inner = win->GetCurrentInnerWindow(); nsCOMPtr dlgInner(do_QueryInterface(inner)); if (dlgInner) { dlgInner->GetReturnValue(aRetVal); } } nsRefPtr winInternal = static_cast(win.get()); if (winInternal->mCallCleanUpAfterModalDialogCloses) { winInternal->mCallCleanUpAfterModalDialogCloses = false; winInternal->CleanUp(true); } } return NS_OK; } class CommandDispatcher : public nsRunnable { public: CommandDispatcher(nsIDOMXULCommandDispatcher* aDispatcher, const nsAString& aAction) : mDispatcher(aDispatcher), mAction(aAction) {} NS_IMETHOD Run() { return mDispatcher->UpdateCommands(mAction); } nsCOMPtr mDispatcher; nsString mAction; }; NS_IMETHODIMP nsGlobalWindow::UpdateCommands(const nsAString& anAction) { nsPIDOMWindow *rootWindow = nsGlobalWindow::GetPrivateRoot(); if (!rootWindow) return NS_OK; nsCOMPtr xulDoc = do_QueryInterface(rootWindow->GetExtantDocument()); // See if we contain a XUL document. if (xulDoc) { // Retrieve the command dispatcher and call updateCommands on it. nsCOMPtr xulCommandDispatcher; xulDoc->GetCommandDispatcher(getter_AddRefs(xulCommandDispatcher)); if (xulCommandDispatcher) { nsContentUtils::AddScriptRunner(new CommandDispatcher(xulCommandDispatcher, anAction)); } } return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetSelection(nsISelection** aSelection) { FORWARD_TO_OUTER(GetSelection, (aSelection), NS_ERROR_NOT_INITIALIZED); NS_ENSURE_ARG_POINTER(aSelection); *aSelection = nsnull; if (!mDocShell) return NS_OK; nsCOMPtr presShell; mDocShell->GetPresShell(getter_AddRefs(presShell)); if (!presShell) return NS_OK; *aSelection = presShell->GetCurrentSelection(nsISelectionController::SELECTION_NORMAL); NS_IF_ADDREF(*aSelection); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::Find(const nsAString& aStr, bool aCaseSensitive, bool aBackwards, bool aWrapAround, bool aWholeWord, bool aSearchInFrames, bool aShowDialog, bool *aDidFind) { FORWARD_TO_OUTER(Find, (aStr, aCaseSensitive, aBackwards, aWrapAround, aWholeWord, aSearchInFrames, aShowDialog, aDidFind), NS_ERROR_NOT_INITIALIZED); nsresult rv = NS_OK; *aDidFind = false; nsCOMPtr finder(do_GetInterface(mDocShell)); NS_ENSURE_TRUE(finder, NS_ERROR_FAILURE); // Set the options of the search rv = finder->SetSearchString(PromiseFlatString(aStr).get()); NS_ENSURE_SUCCESS(rv, rv); finder->SetMatchCase(aCaseSensitive); finder->SetFindBackwards(aBackwards); finder->SetWrapFind(aWrapAround); finder->SetEntireWord(aWholeWord); finder->SetSearchFrames(aSearchInFrames); // the nsIWebBrowserFind is initialized to use this window // as the search root, but uses focus to set the current search // frame. If we're being called from JS (as here), this window // should be the current search frame. nsCOMPtr framesFinder(do_QueryInterface(finder)); if (framesFinder) { framesFinder->SetRootSearchFrame(this); // paranoia framesFinder->SetCurrentSearchFrame(this); } // The Find API does not accept empty strings. Launch the Find Dialog. if (aStr.IsEmpty() || aShowDialog) { // See if the find dialog is already up using nsIWindowMediator nsCOMPtr windowMediator = do_GetService(NS_WINDOWMEDIATOR_CONTRACTID); nsCOMPtr findDialog; if (windowMediator) { windowMediator->GetMostRecentWindow(NS_LITERAL_STRING("findInPage").get(), getter_AddRefs(findDialog)); } if (findDialog) { // The Find dialog is already open, bring it to the top. rv = findDialog->Focus(); } else { // Open a Find dialog if (finder) { nsCOMPtr dialog; rv = OpenDialog(NS_LITERAL_STRING("chrome://global/content/finddialog.xul"), NS_LITERAL_STRING("_blank"), NS_LITERAL_STRING("chrome, resizable=no, dependent=yes"), finder, getter_AddRefs(dialog)); } } } else { // Launch the search with the passed in search string rv = finder->FindNext(aDidFind); NS_ENSURE_SUCCESS(rv, rv); } return rv; } NS_IMETHODIMP nsGlobalWindow::Atob(const nsAString& aAsciiBase64String, nsAString& aBinaryData) { return nsContentUtils::Atob(aAsciiBase64String, aBinaryData); } NS_IMETHODIMP nsGlobalWindow::Btoa(const nsAString& aBinaryData, nsAString& aAsciiBase64String) { return nsContentUtils::Btoa(aBinaryData, aAsciiBase64String); } //***************************************************************************** // nsGlobalWindow::nsIDOMEventTarget //***************************************************************************** NS_IMETHODIMP nsGlobalWindow::RemoveEventListener(const nsAString& aType, nsIDOMEventListener* aListener, bool aUseCapture) { nsRefPtr elm = GetListenerManager(false); if (elm) { elm->RemoveEventListener(aType, aListener, aUseCapture); } return NS_OK; } NS_IMPL_REMOVE_SYSTEM_EVENT_LISTENER(nsGlobalWindow) NS_IMETHODIMP nsGlobalWindow::DispatchEvent(nsIDOMEvent* aEvent, bool* aRetVal) { FORWARD_TO_INNER(DispatchEvent, (aEvent, aRetVal), NS_OK); if (!mDoc) { return NS_ERROR_FAILURE; } // Obtain a presentation shell nsIPresShell *shell = mDoc->GetShell(); nsRefPtr presContext; if (shell) { // Retrieve the context presContext = shell->GetPresContext(); } nsEventStatus status = nsEventStatus_eIgnore; nsresult rv = nsEventDispatcher::DispatchDOMEvent(GetOuterWindow(), nsnull, aEvent, presContext, &status); *aRetVal = (status != nsEventStatus_eConsumeNoDefault); return rv; } NS_IMETHODIMP nsGlobalWindow::AddEventListener(const nsAString& aType, nsIDOMEventListener *aListener, bool aUseCapture, bool aWantsUntrusted, PRUint8 aOptionalArgc) { NS_ASSERTION(!aWantsUntrusted || aOptionalArgc > 1, "Won't check if this is chrome, you want to set " "aWantsUntrusted to false or make the aWantsUntrusted " "explicit by making optional_argc non-zero."); if (IsOuterWindow() && mInnerWindow && !nsContentUtils::CanCallerAccess(mInnerWindow)) { return NS_ERROR_DOM_SECURITY_ERR; } if (!aWantsUntrusted && (aOptionalArgc < 2 && !nsContentUtils::IsChromeDoc(mDoc))) { aWantsUntrusted = true; } nsEventListenerManager* manager = GetListenerManager(true); NS_ENSURE_STATE(manager); manager->AddEventListener(aType, aListener, aUseCapture, aWantsUntrusted); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::AddSystemEventListener(const nsAString& aType, nsIDOMEventListener *aListener, bool aUseCapture, bool aWantsUntrusted, PRUint8 aOptionalArgc) { NS_ASSERTION(!aWantsUntrusted || aOptionalArgc > 1, "Won't check if this is chrome, you want to set " "aWantsUntrusted to false or make the aWantsUntrusted " "explicit by making optional_argc non-zero."); if (IsOuterWindow() && mInnerWindow && !nsContentUtils::CanCallerAccess(mInnerWindow)) { return NS_ERROR_DOM_SECURITY_ERR; } if (!aWantsUntrusted && (aOptionalArgc < 2 && !nsContentUtils::IsChromeDoc(mDoc))) { aWantsUntrusted = true; } return NS_AddSystemEventListener(this, aType, aListener, aUseCapture, aWantsUntrusted); } nsEventListenerManager* nsGlobalWindow::GetListenerManager(bool aCreateIfNotFound) { FORWARD_TO_INNER_CREATE(GetListenerManager, (aCreateIfNotFound), nsnull); if (!mListenerManager && aCreateIfNotFound) { mListenerManager = new nsEventListenerManager(static_cast(this)); } return mListenerManager; } nsIScriptContext* nsGlobalWindow::GetContextForEventHandlers(nsresult* aRv) { *aRv = NS_ERROR_UNEXPECTED; if (IsInnerWindow()) { nsPIDOMWindow* outer = GetOuterWindow(); NS_ENSURE_TRUE(outer && outer->GetCurrentInnerWindow() == this, nsnull); } nsIScriptContext* scx; if ((scx = GetContext())) { *aRv = NS_OK; return scx; } return nsnull; } //***************************************************************************** // nsGlobalWindow::nsPIDOMWindow //***************************************************************************** nsPIDOMWindow* nsGlobalWindow::GetPrivateParent() { FORWARD_TO_OUTER(GetPrivateParent, (), nsnull); nsCOMPtr parent; GetParent(getter_AddRefs(parent)); if (static_cast(this) == parent.get()) { nsCOMPtr chromeElement(do_QueryInterface(mChromeEventHandler)); if (!chromeElement) return nsnull; // This is ok, just means a null parent. nsIDocument* doc = chromeElement->GetDocument(); if (!doc) return nsnull; // This is ok, just means a null parent. nsIScriptGlobalObject *globalObject = doc->GetScriptGlobalObject(); if (!globalObject) return nsnull; // This is ok, just means a null parent. parent = do_QueryInterface(globalObject); } if (parent) { return static_cast (static_cast(parent.get())); } return nsnull; } nsPIDOMWindow* nsGlobalWindow::GetPrivateRoot() { FORWARD_TO_OUTER(GetPrivateRoot, (), nsnull); nsCOMPtr top; GetTop(getter_AddRefs(top)); nsCOMPtr ptop = do_QueryInterface(top); NS_ASSERTION(ptop, "cannot get ptop"); if (!ptop) return nsnull; nsIDocShell *docShell = ptop->GetDocShell(); // Get the chrome event handler from the doc shell, since we only // want to deal with XUL chrome handlers and not the new kind of // window root handler. nsCOMPtr chromeEventHandler; docShell->GetChromeEventHandler(getter_AddRefs(chromeEventHandler)); nsCOMPtr chromeElement(do_QueryInterface(mChromeEventHandler)); if (chromeElement) { nsIDocument* doc = chromeElement->GetDocument(); if (doc) { nsIDOMWindow *parent = doc->GetWindow(); if (parent) { parent->GetTop(getter_AddRefs(top)); } } } return static_cast (static_cast(top)); } NS_IMETHODIMP nsGlobalWindow::GetLocation(nsIDOMLocation ** aLocation) { FORWARD_TO_INNER(GetLocation, (aLocation), NS_ERROR_NOT_INITIALIZED); *aLocation = nsnull; nsIDocShell *docShell = GetDocShell(); if (!mLocation && docShell) { mLocation = new nsLocation(docShell); if (!mLocation) { return NS_ERROR_OUT_OF_MEMORY; } } NS_IF_ADDREF(*aLocation = mLocation); return NS_OK; } void nsGlobalWindow::ActivateOrDeactivate(bool aActivate) { // Set / unset mIsActive on the top level window, which is used for the // :-moz-window-inactive pseudoclass. nsCOMPtr mainWidget = GetMainWidget(); if (!mainWidget) return; // Get the top level widget (if the main widget is a sheet, this will // be the sheet's top (non-sheet) parent). nsCOMPtr topLevelWidget = mainWidget->GetSheetWindowParent(); if (!topLevelWidget) { topLevelWidget = mainWidget; } // Get the top level widget's nsGlobalWindow nsCOMPtr topLevelWindow; if (topLevelWidget == mainWidget) { topLevelWindow = static_cast(this); } else { // This is a workaround for the following problem: // When a window with an open sheet loses focus, only the sheet window // receives the NS_DEACTIVATE event. However, it's not the sheet that // should lose the active styling, but the containing top level window. void* clientData; topLevelWidget->GetClientData(clientData); // clientData is nsXULWindow nsISupports* data = static_cast(clientData); nsCOMPtr req(do_QueryInterface(data)); topLevelWindow = do_GetInterface(req); } if (topLevelWindow) { nsCOMPtr piWin(do_QueryInterface(topLevelWindow)); piWin->SetActive(aActivate); } } static bool NotifyDocumentTree(nsIDocument* aDocument, void* aData) { aDocument->EnumerateSubDocuments(NotifyDocumentTree, nsnull); aDocument->DocumentStatesChanged(NS_DOCUMENT_STATE_WINDOW_INACTIVE); return true; } void nsGlobalWindow::SetActive(bool aActive) { nsPIDOMWindow::SetActive(aActive); NotifyDocumentTree(mDoc, nsnull); } void nsGlobalWindow::SetIsBackground(bool aIsBackground) { bool resetTimers = (!aIsBackground && IsBackground()); nsPIDOMWindow::SetIsBackground(aIsBackground); if (resetTimers) { ResetTimersForNonBackgroundWindow(); } } void nsGlobalWindow::MaybeUpdateTouchState() { FORWARD_TO_INNER_VOID(MaybeUpdateTouchState, ()); nsIFocusManager* fm = nsFocusManager::GetFocusManager(); nsCOMPtr focusedWindow; fm->GetFocusedWindow(getter_AddRefs(focusedWindow)); if(this == focusedWindow) { UpdateTouchState(); } } void nsGlobalWindow::UpdateTouchState() { FORWARD_TO_INNER_VOID(UpdateTouchState, ()); nsCOMPtr mainWidget = GetMainWidget(); if (!mainWidget) return; if (mMayHaveTouchEventListener) { mainWidget->RegisterTouchWindow(); nsCOMPtr observerService = do_GetService(NS_OBSERVERSERVICE_CONTRACTID); if (observerService) { nsPIDOMWindow *inner = GetCurrentInnerWindowInternal(); observerService->NotifyObservers(mainWidget, DOM_TOUCH_LISTENER_ADDED, nsnull); } } else { mainWidget->UnregisterTouchWindow(); } } void nsGlobalWindow::EnableDeviceMotionUpdates() { if (mHasDeviceMotion) { nsCOMPtr ac = do_GetService(NS_DEVICE_MOTION_CONTRACTID); if (ac) { ac->AddWindowListener(this); } } } void nsGlobalWindow::DisableDeviceMotionUpdates() { if (mHasDeviceMotion) { nsCOMPtr ac = do_GetService(NS_DEVICE_MOTION_CONTRACTID); if (ac) { ac->RemoveWindowListener(this); } } } void nsGlobalWindow::SetChromeEventHandler(nsIDOMEventTarget* aChromeEventHandler) { SetChromeEventHandlerInternal(aChromeEventHandler); if (IsOuterWindow()) { // update the chrome event handler on all our inner windows for (nsGlobalWindow *inner = (nsGlobalWindow *)PR_LIST_HEAD(this); inner != this; inner = (nsGlobalWindow*)PR_NEXT_LINK(inner)) { NS_ASSERTION(!inner->mOuterWindow || inner->mOuterWindow == this, "bad outer window pointer"); inner->SetChromeEventHandlerInternal(aChromeEventHandler); } } else if (mOuterWindow) { // Need the cast to be able to call the protected method on a // superclass. We could make the method public instead, but it's really // better this way. static_cast(mOuterWindow.get())-> SetChromeEventHandlerInternal(aChromeEventHandler); } } static bool IsLink(nsIContent* aContent) { nsCOMPtr anchor = do_QueryInterface(aContent); return (anchor || (aContent && aContent->AttrValueIs(kNameSpaceID_XLink, nsGkAtoms::type, nsGkAtoms::simple, eCaseMatters))); } void nsGlobalWindow::SetFocusedNode(nsIContent* aNode, PRUint32 aFocusMethod, bool aNeedsFocus) { FORWARD_TO_INNER_VOID(SetFocusedNode, (aNode, aFocusMethod, aNeedsFocus)); NS_ASSERTION(!aNode || aNode->GetCurrentDoc() == mDoc, "setting focus to a node from the wrong document"); if (mFocusedNode != aNode) { UpdateCanvasFocus(false, aNode); mFocusedNode = aNode; mFocusMethod = aFocusMethod & FOCUSMETHOD_MASK; mShowFocusRingForContent = false; } if (mFocusedNode) { // if a node was focused by a keypress, turn on focus rings for the // window. if (mFocusMethod & nsIFocusManager::FLAG_BYKEY) { mFocusByKeyOccurred = true; } else if ( // otherwise, we set mShowFocusRingForContent, as we don't want this to // be permanent for the window. On Windows, focus rings are only shown // when the FLAG_SHOWRING flag is used. On other platforms, focus rings // are only hidden for clicks on links. #ifndef XP_WIN !(mFocusMethod & nsIFocusManager::FLAG_BYMOUSE) || !IsLink(aNode) || #endif aFocusMethod & nsIFocusManager::FLAG_SHOWRING) { mShowFocusRingForContent = true; } } if (aNeedsFocus) mNeedsFocus = aNeedsFocus; } PRUint32 nsGlobalWindow::GetFocusMethod() { FORWARD_TO_INNER(GetFocusMethod, (), 0); return mFocusMethod; } bool nsGlobalWindow::ShouldShowFocusRing() { FORWARD_TO_INNER(ShouldShowFocusRing, (), false); return mShowFocusRings || mShowFocusRingForContent || mFocusByKeyOccurred; } void nsGlobalWindow::SetKeyboardIndicators(UIStateChangeType aShowAccelerators, UIStateChangeType aShowFocusRings) { FORWARD_TO_INNER_VOID(SetKeyboardIndicators, (aShowAccelerators, aShowFocusRings)); bool oldShouldShowFocusRing = ShouldShowFocusRing(); // only change the flags that have been modified if (aShowAccelerators != UIStateChangeType_NoChange) mShowAccelerators = aShowAccelerators == UIStateChangeType_Set; if (aShowFocusRings != UIStateChangeType_NoChange) mShowFocusRings = aShowFocusRings == UIStateChangeType_Set; // propagate the indicators to child windows nsCOMPtr node = do_QueryInterface(GetDocShell()); if (node) { PRInt32 childCount = 0; node->GetChildCount(&childCount); for (PRInt32 i = 0; i < childCount; ++i) { nsCOMPtr childShell; node->GetChildAt(i, getter_AddRefs(childShell)); nsCOMPtr childWindow = do_GetInterface(childShell); if (childWindow) { childWindow->SetKeyboardIndicators(aShowAccelerators, aShowFocusRings); } } } bool newShouldShowFocusRing = ShouldShowFocusRing(); if (mHasFocus && mFocusedNode && oldShouldShowFocusRing != newShouldShowFocusRing && mFocusedNode->IsElement()) { // Update mFocusedNode's state. if (newShouldShowFocusRing) { mFocusedNode->AsElement()->AddStates(NS_EVENT_STATE_FOCUSRING); } else { mFocusedNode->AsElement()->RemoveStates(NS_EVENT_STATE_FOCUSRING); } } } void nsGlobalWindow::GetKeyboardIndicators(bool* aShowAccelerators, bool* aShowFocusRings) { FORWARD_TO_INNER_VOID(GetKeyboardIndicators, (aShowAccelerators, aShowFocusRings)); *aShowAccelerators = mShowAccelerators; *aShowFocusRings = mShowFocusRings; } bool nsGlobalWindow::TakeFocus(bool aFocus, PRUint32 aFocusMethod) { FORWARD_TO_INNER(TakeFocus, (aFocus, aFocusMethod), false); if (aFocus) mFocusMethod = aFocusMethod & FOCUSMETHOD_MASK; if (mHasFocus != aFocus) { mHasFocus = aFocus; UpdateCanvasFocus(true, mFocusedNode); } // if mNeedsFocus is true, then the document has not yet received a // document-level focus event. If there is a root content node, then return // true to tell the calling focus manager that a focus event is expected. If // there is no root content node, the document hasn't loaded enough yet, or // there isn't one and there is no point in firing a focus event. if (aFocus && mNeedsFocus && mDoc && mDoc->GetRootElement() != nsnull) { mNeedsFocus = false; return true; } mNeedsFocus = false; return false; } void nsGlobalWindow::SetReadyForFocus() { FORWARD_TO_INNER_VOID(SetReadyForFocus, ()); bool oldNeedsFocus = mNeedsFocus; mNeedsFocus = false; // update whether focus rings need to be shown using the state from the // root window nsPIDOMWindow* root = GetPrivateRoot(); if (root) { bool showAccelerators, showFocusRings; root->GetKeyboardIndicators(&showAccelerators, &showFocusRings); mShowFocusRings = showFocusRings; } nsIFocusManager* fm = nsFocusManager::GetFocusManager(); if (fm) fm->WindowShown(this, oldNeedsFocus); } void nsGlobalWindow::PageHidden() { FORWARD_TO_INNER_VOID(PageHidden, ()); // the window is being hidden, so tell the focus manager that the frame is // no longer valid. Use the persisted field to determine if the document // is being destroyed. nsIFocusManager* fm = nsFocusManager::GetFocusManager(); if (fm) fm->WindowHidden(this); mNeedsFocus = true; } class HashchangeCallback : public nsRunnable { public: HashchangeCallback(const nsAString &aOldURL, const nsAString &aNewURL, nsGlobalWindow* aWindow) : mWindow(aWindow) { mOldURL.Assign(aOldURL); mNewURL.Assign(aNewURL); } NS_IMETHOD Run() { NS_PRECONDITION(NS_IsMainThread(), "Should be called on the main thread."); return mWindow->FireHashchange(mOldURL, mNewURL); } private: nsString mOldURL; nsString mNewURL; nsRefPtr mWindow; }; nsresult nsGlobalWindow::DispatchAsyncHashchange(nsIURI *aOldURI, nsIURI *aNewURI) { FORWARD_TO_INNER(DispatchAsyncHashchange, (aOldURI, aNewURI), NS_OK); // Make sure that aOldURI and aNewURI are identical up to the '#', and that // their hashes are different. nsCAutoString oldBeforeHash, oldHash, newBeforeHash, newHash; nsContentUtils::SplitURIAtHash(aOldURI, oldBeforeHash, oldHash); nsContentUtils::SplitURIAtHash(aNewURI, newBeforeHash, newHash); NS_ENSURE_STATE(oldBeforeHash.Equals(newBeforeHash)); NS_ENSURE_STATE(!oldHash.Equals(newHash)); nsCAutoString oldSpec, newSpec; aOldURI->GetSpec(oldSpec); aNewURI->GetSpec(newSpec); NS_ConvertUTF8toUTF16 oldWideSpec(oldSpec); NS_ConvertUTF8toUTF16 newWideSpec(newSpec); nsCOMPtr callback = new HashchangeCallback(oldWideSpec, newWideSpec, this); return NS_DispatchToMainThread(callback); } nsresult nsGlobalWindow::FireHashchange(const nsAString &aOldURL, const nsAString &aNewURL) { NS_ENSURE_TRUE(IsInnerWindow(), NS_ERROR_FAILURE); // Don't do anything if the window is frozen. if (IsFrozen()) return NS_OK; // Get a presentation shell for use in creating the hashchange event. NS_ENSURE_STATE(mDoc); nsIPresShell *shell = mDoc->GetShell(); nsRefPtr presContext; if (shell) { presContext = shell->GetPresContext(); } // Create a new hashchange event. nsCOMPtr domEvent; nsresult rv = nsEventDispatcher::CreateEvent(presContext, nsnull, NS_LITERAL_STRING("hashchangeevent"), getter_AddRefs(domEvent)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr privateEvent = do_QueryInterface(domEvent); NS_ENSURE_TRUE(privateEvent, NS_ERROR_UNEXPECTED); nsCOMPtr hashchangeEvent = do_QueryInterface(domEvent); NS_ENSURE_TRUE(hashchangeEvent, NS_ERROR_UNEXPECTED); // The hashchange event bubbles and isn't cancellable. rv = hashchangeEvent->InitHashChangeEvent(NS_LITERAL_STRING("hashchange"), true, false, aOldURL, aNewURL); NS_ENSURE_SUCCESS(rv, rv); rv = privateEvent->SetTrusted(true); NS_ENSURE_SUCCESS(rv, rv); bool dummy; return DispatchEvent(hashchangeEvent, &dummy); } nsresult nsGlobalWindow::DispatchSyncPopState() { FORWARD_TO_INNER(DispatchSyncPopState, (), NS_OK); NS_ASSERTION(nsContentUtils::IsSafeToRunScript(), "Must be safe to run script here."); // Check that PopState hasn't been pref'ed off. if (!Preferences::GetBool(sPopStatePrefStr, false)) { return NS_OK; } nsresult rv = NS_OK; // Bail if the window is frozen. if (IsFrozen()) { return NS_OK; } // Get the document's pending state object -- it contains the data we're // going to send along with the popstate event. The object is serialized // using structured clone. nsCOMPtr stateObj; rv = mDoc->GetStateObject(getter_AddRefs(stateObj)); NS_ENSURE_SUCCESS(rv, rv); // Obtain a presentation shell for use in creating a popstate event. nsIPresShell *shell = mDoc->GetShell(); nsRefPtr presContext; if (shell) { presContext = shell->GetPresContext(); } // Create a new popstate event nsCOMPtr domEvent; rv = nsEventDispatcher::CreateEvent(presContext, nsnull, NS_LITERAL_STRING("popstateevent"), getter_AddRefs(domEvent)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr privateEvent = do_QueryInterface(domEvent); NS_ENSURE_TRUE(privateEvent, NS_ERROR_FAILURE); // Initialize the popstate event, which does bubble but isn't cancellable. nsCOMPtr popstateEvent = do_QueryInterface(domEvent); rv = popstateEvent->InitPopStateEvent(NS_LITERAL_STRING("popstate"), true, false, stateObj); NS_ENSURE_SUCCESS(rv, rv); rv = privateEvent->SetTrusted(true); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr outerWindow = do_QueryInterface(GetOuterWindow()); NS_ENSURE_TRUE(outerWindow, NS_ERROR_UNEXPECTED); rv = privateEvent->SetTarget(outerWindow); NS_ENSURE_SUCCESS(rv, rv); bool dummy; // default action return DispatchEvent(popstateEvent, &dummy); } // Find an nsICanvasFrame under aFrame. Only search the principal // child lists. aFrame must be non-null. static nsCanvasFrame* FindCanvasFrame(nsIFrame* aFrame) { nsCanvasFrame* canvasFrame = do_QueryFrame(aFrame); if (canvasFrame) { return canvasFrame; } nsIFrame* kid = aFrame->GetFirstPrincipalChild(); while (kid) { canvasFrame = FindCanvasFrame(kid); if (canvasFrame) { return canvasFrame; } kid = kid->GetNextSibling(); } return nsnull; } //------------------------------------------------------- // Tells the HTMLFrame/CanvasFrame that is now has focus void nsGlobalWindow::UpdateCanvasFocus(bool aFocusChanged, nsIContent* aNewContent) { // this is called from the inner window so use GetDocShell nsIDocShell* docShell = GetDocShell(); if (!docShell) return; nsCOMPtr editorDocShell = do_QueryInterface(docShell); if (editorDocShell) { bool editable; editorDocShell->GetEditable(&editable); if (editable) return; } nsCOMPtr presShell; docShell->GetPresShell(getter_AddRefs(presShell)); if (!presShell || !mDocument) return; nsCOMPtr doc(do_QueryInterface(mDocument)); Element *rootElement = doc->GetRootElement(); if (rootElement) { if ((mHasFocus || aFocusChanged) && (mFocusedNode == rootElement || aNewContent == rootElement)) { nsIFrame* frame = rootElement->GetPrimaryFrame(); if (frame) { frame = frame->GetParent(); nsCanvasFrame* canvasFrame = do_QueryFrame(frame); if (canvasFrame) { canvasFrame->SetHasFocus(mHasFocus && rootElement == aNewContent); } } } } else { // Look for the frame the hard way nsIFrame* frame = presShell->GetRootFrame(); if (frame) { nsCanvasFrame* canvasFrame = FindCanvasFrame(frame); if (canvasFrame) { canvasFrame->SetHasFocus(false); } } } } NS_IMETHODIMP nsGlobalWindow::GetComputedStyle(nsIDOMElement* aElt, const nsAString& aPseudoElt, nsIDOMCSSStyleDeclaration** aReturn) { FORWARD_TO_OUTER(GetComputedStyle, (aElt, aPseudoElt, aReturn), NS_ERROR_NOT_INITIALIZED); NS_ENSURE_ARG_POINTER(aReturn); *aReturn = nsnull; if (!aElt) { return NS_ERROR_DOM_NOT_SUPPORTED_ERR; } if (!mDocShell) { return NS_OK; } nsCOMPtr presShell; mDocShell->GetPresShell(getter_AddRefs(presShell)); if (!presShell) { return NS_OK; } nsRefPtr compStyle; nsresult rv = NS_NewComputedDOMStyle(aElt, aPseudoElt, presShell, getter_AddRefs(compStyle)); NS_ENSURE_SUCCESS(rv, rv); *aReturn = compStyle.forget().get(); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetSessionStorage(nsIDOMStorage ** aSessionStorage) { FORWARD_TO_INNER(GetSessionStorage, (aSessionStorage), NS_ERROR_UNEXPECTED); nsIPrincipal *principal = GetPrincipal(); nsIDocShell* docShell = GetDocShell(); if (!principal || !docShell) { *aSessionStorage = nsnull; return NS_OK; } if (!Preferences::GetBool(kStorageEnabled)) { *aSessionStorage = nsnull; return NS_OK; } if (mSessionStorage) { #ifdef PR_LOGGING if (PR_LOG_TEST(gDOMLeakPRLog, PR_LOG_DEBUG)) { PR_LogPrint("nsGlobalWindow %p has %p sessionStorage", this, mSessionStorage.get()); } #endif nsCOMPtr piStorage = do_QueryInterface(mSessionStorage); if (piStorage) { bool canAccess = piStorage->CanAccess(principal); NS_ASSERTION(canAccess, "window %x owned sessionStorage " "that could not be accessed!"); if (!canAccess) { mSessionStorage = nsnull; } } } if (!mSessionStorage) { *aSessionStorage = nsnull; nsString documentURI; if (mDocument) { mDocument->GetDocumentURI(documentURI); } nsresult rv = docShell->GetSessionStorageForPrincipal(principal, documentURI, true, getter_AddRefs(mSessionStorage)); NS_ENSURE_SUCCESS(rv, rv); #ifdef PR_LOGGING if (PR_LOG_TEST(gDOMLeakPRLog, PR_LOG_DEBUG)) { PR_LogPrint("nsGlobalWindow %p tried to get a new sessionStorage %p", this, mSessionStorage.get()); } #endif if (!mSessionStorage) { return NS_ERROR_DOM_NOT_SUPPORTED_ERR; } } #ifdef PR_LOGGING if (PR_LOG_TEST(gDOMLeakPRLog, PR_LOG_DEBUG)) { PR_LogPrint("nsGlobalWindow %p returns %p sessionStorage", this, mSessionStorage.get()); } #endif NS_ADDREF(*aSessionStorage = mSessionStorage); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetGlobalStorage(nsIDOMStorageList ** aGlobalStorage) { NS_ENSURE_ARG_POINTER(aGlobalStorage); nsCOMPtr document = do_QueryInterface(GetExtantDocument()); if (document) { document->WarnOnceAbout(nsIDocument::eGlobalStorage); } if (!Preferences::GetBool(kStorageEnabled)) { *aGlobalStorage = nsnull; return NS_OK; } if (!sGlobalStorageList) { nsresult rv = NS_NewDOMStorageList(&sGlobalStorageList); NS_ENSURE_SUCCESS(rv, rv); } *aGlobalStorage = sGlobalStorageList; NS_IF_ADDREF(*aGlobalStorage); return NS_OK; } NS_IMETHODIMP nsGlobalWindow::GetLocalStorage(nsIDOMStorage ** aLocalStorage) { FORWARD_TO_INNER(GetLocalStorage, (aLocalStorage), NS_ERROR_UNEXPECTED); NS_ENSURE_ARG(aLocalStorage); if (!Preferences::GetBool(kStorageEnabled)) { *aLocalStorage = nsnull; return NS_OK; } if (!mLocalStorage) { *aLocalStorage = nsnull; nsresult rv; bool unused; if (!nsDOMStorage::CanUseStorage(&unused)) return NS_ERROR_DOM_SECURITY_ERR; nsIPrincipal *principal = GetPrincipal(); if (!principal) return NS_OK; nsCOMPtr storageManager = do_GetService("@mozilla.org/dom/storagemanager;1", &rv); NS_ENSURE_SUCCESS(rv, rv); nsString documentURI; if (mDocument) { mDocument->GetDocumentURI(documentURI); } rv = storageManager->GetLocalStorageForPrincipal(principal, documentURI, getter_AddRefs(mLocalStorage)); NS_ENSURE_SUCCESS(rv, rv); } NS_ADDREF(*aLocalStorage = mLocalStorage); return NS_OK; } //***************************************************************************** // nsGlobalWindow::nsIDOMStorageIndexedDB //***************************************************************************** NS_IMETHODIMP nsGlobalWindow::GetMozIndexedDB(nsIIDBFactory** _retval) { if (!mIndexedDB) { if (!IsChromeWindow()) { nsCOMPtr thirdPartyUtil = do_GetService(THIRDPARTYUTIL_CONTRACTID); NS_ENSURE_TRUE(thirdPartyUtil, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); bool isThirdParty; nsresult rv = thirdPartyUtil->IsThirdPartyWindow(this, nsnull, &isThirdParty); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (isThirdParty) { NS_WARNING("IndexedDB is not permitted in a third-party window."); *_retval = nsnull; return NS_OK; } } mIndexedDB = indexedDB::IDBFactory::Create(this); NS_ENSURE_TRUE(mIndexedDB, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } nsCOMPtr request(mIndexedDB); request.forget(_retval); return NS_OK; } //***************************************************************************** // nsGlobalWindow::nsIInterfaceRequestor //***************************************************************************** NS_IMETHODIMP nsGlobalWindow::GetInterface(const nsIID & aIID, void **aSink) { NS_ENSURE_ARG_POINTER(aSink); *aSink = nsnull; if (aIID.Equals(NS_GET_IID(nsIDocCharset))) { FORWARD_TO_OUTER(GetInterface, (aIID, aSink), NS_ERROR_NOT_INITIALIZED); if (mDocShell) { nsCOMPtr docCharset(do_QueryInterface(mDocShell)); if (docCharset) { NS_WARNING("Using deprecated nsIDocCharset: use nsIDocShell.GetCharset() instead "); *aSink = docCharset; NS_ADDREF(((nsISupports *) *aSink)); } } } else if (aIID.Equals(NS_GET_IID(nsIWebNavigation))) { FORWARD_TO_OUTER(GetInterface, (aIID, aSink), NS_ERROR_NOT_INITIALIZED); if (mDocShell) { nsCOMPtr webNav(do_QueryInterface(mDocShell)); if (webNav) { *aSink = webNav; NS_ADDREF(((nsISupports *) *aSink)); } } } #ifdef NS_PRINTING else if (aIID.Equals(NS_GET_IID(nsIWebBrowserPrint))) { FORWARD_TO_OUTER(GetInterface, (aIID, aSink), NS_ERROR_NOT_INITIALIZED); if (mDocShell) { nsCOMPtr viewer; mDocShell->GetContentViewer(getter_AddRefs(viewer)); if (viewer) { nsCOMPtr webBrowserPrint(do_QueryInterface(viewer)); if (webBrowserPrint) { *aSink = webBrowserPrint; NS_ADDREF(((nsISupports *) *aSink)); } } } } #endif else if (aIID.Equals(NS_GET_IID(nsIDOMWindowUtils))) { FORWARD_TO_OUTER(GetInterface, (aIID, aSink), NS_ERROR_NOT_INITIALIZED); nsCOMPtr utils(do_QueryReferent(mWindowUtils)); if (utils) { *aSink = utils; NS_ADDREF(((nsISupports *) *aSink)); } else { nsDOMWindowUtils *utilObj = new nsDOMWindowUtils(this); nsCOMPtr utilsIfc = NS_ISUPPORTS_CAST(nsIDOMWindowUtils *, utilObj); if (utilsIfc) { mWindowUtils = do_GetWeakReference(utilsIfc); *aSink = utilsIfc; NS_ADDREF(((nsISupports *) *aSink)); } } } else { return QueryInterface(aIID, aSink); } return *aSink ? NS_OK : NS_ERROR_NO_INTERFACE; } void nsGlobalWindow::FireOfflineStatusEvent() { if (!mDoc) return; nsAutoString name; if (NS_IsOffline()) { name.AssignLiteral("offline"); } else { name.AssignLiteral("online"); } // The event is fired at the body element, or if there is no body element, // at the document. nsCOMPtr eventTarget = mDoc.get(); nsCOMPtr htmlDoc = do_QueryInterface(mDoc); if (htmlDoc) { nsCOMPtr body; htmlDoc->GetBody(getter_AddRefs(body)); if (body) { eventTarget = body; } } else { nsCOMPtr documentElement; mDocument->GetDocumentElement(getter_AddRefs(documentElement)); if(documentElement) { eventTarget = documentElement; } } nsContentUtils::DispatchTrustedEvent(mDoc, eventTarget, name, true, false); } nsresult nsGlobalWindow::Observe(nsISupports* aSubject, const char* aTopic, const PRUnichar* aData) { if (!nsCRT::strcmp(aTopic, NS_IOSERVICE_OFFLINE_STATUS_TOPIC)) { if (IsFrozen()) { // if an even number of notifications arrive while we're frozen, // we don't need to fire. mFireOfflineStatusChangeEventOnThaw = !mFireOfflineStatusChangeEventOnThaw; } else { FireOfflineStatusEvent(); } return NS_OK; } if (IsInnerWindow() && !nsCRT::strcmp(aTopic, "dom-storage-changed")) { nsIPrincipal *principal; nsresult rv; principal = GetPrincipal(); if (principal) { // A global storage object changed, check to see if it's one // this window can access. nsCOMPtr codebase; principal->GetURI(getter_AddRefs(codebase)); if (!codebase) { return NS_OK; } nsCAutoString currentDomain; rv = codebase->GetAsciiHost(currentDomain); if (NS_FAILED(rv)) { return NS_OK; } if (!nsDOMStorageList::CanAccessDomain(NS_ConvertUTF16toUTF8(aData), currentDomain)) { // This window can't reach the global storage object for the // domain for which the change happened, so don't fire any // events in this window. return NS_OK; } } nsAutoString domain(aData); if (IsFrozen()) { // This window is frozen, rather than firing the events here, // store the domain in which the change happened and fire the // events if we're ever thawed. if (!mPendingStorageEventsObsolete) { mPendingStorageEventsObsolete = new nsDataHashtable; NS_ENSURE_TRUE(mPendingStorageEventsObsolete, NS_ERROR_OUT_OF_MEMORY); rv = mPendingStorageEventsObsolete->Init(); NS_ENSURE_SUCCESS(rv, rv); } mPendingStorageEventsObsolete->Put(domain, true); return NS_OK; } nsRefPtr event = new nsDOMStorageEventObsolete(); NS_ENSURE_TRUE(event, NS_ERROR_OUT_OF_MEMORY); rv = event->InitStorageEvent(NS_LITERAL_STRING("storage"), false, false, domain); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr htmlDoc(do_QueryInterface(mDocument)); nsCOMPtr target; if (htmlDoc) { nsCOMPtr body; htmlDoc->GetBody(getter_AddRefs(body)); target = do_QueryInterface(body); } if (!target) { target = this; } bool defaultActionEnabled; target->DispatchEvent((nsIDOMStorageEventObsolete *)event, &defaultActionEnabled); return NS_OK; } if (IsInnerWindow() && !nsCRT::strcmp(aTopic, "dom-storage2-changed")) { nsIPrincipal *principal; nsresult rv; nsCOMPtr event = do_QueryInterface(aSubject, &rv); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr changingStorage; rv = event->GetStorageArea(getter_AddRefs(changingStorage)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr pistorage = do_QueryInterface(changingStorage); nsPIDOMStorage::nsDOMStorageType storageType = pistorage->StorageType(); principal = GetPrincipal(); switch (storageType) { case nsPIDOMStorage::SessionStorage: { if (SameCOMIdentity(mSessionStorage, changingStorage)) { // Do not fire any events for the same storage object, it's not shared // among windows, see nsGlobalWindow::GetSessionStoarge() return NS_OK; } nsCOMPtr storage = mSessionStorage; if (!storage) { nsIDocShell* docShell = GetDocShell(); if (principal && docShell) { // No need to pass documentURI here, it's only needed when we want // to create a new storage, the third paramater would be true docShell->GetSessionStorageForPrincipal(principal, EmptyString(), false, getter_AddRefs(storage)); } } if (!pistorage->IsForkOf(storage)) { // This storage event is coming from a different doc shell, // i.e. it is a clone, ignore this event. return NS_OK; } #ifdef PR_LOGGING if (PR_LOG_TEST(gDOMLeakPRLog, PR_LOG_DEBUG)) { PR_LogPrint("nsGlobalWindow %p with sessionStorage %p passing event from %p", this, mSessionStorage.get(), pistorage.get()); } #endif break; } case nsPIDOMStorage::LocalStorage: { if (SameCOMIdentity(mLocalStorage, changingStorage)) { // Do not fire any events for the same storage object, it's not shared // among windows, see nsGlobalWindow::GetLocalStoarge() return NS_OK; } // Allow event fire only for the same principal storages // XXX We have to use EqualsIgnoreDomain after bug 495337 lands nsIPrincipal *storagePrincipal = pistorage->Principal(); bool equals; rv = storagePrincipal->Equals(principal, &equals); NS_ENSURE_SUCCESS(rv, rv); if (!equals) return NS_OK; break; } default: return NS_OK; } if (IsFrozen()) { // This window is frozen, rather than firing the events here, // store the domain in which the change happened and fire the // events if we're ever thawed. mPendingStorageEvents.AppendObject(event); return NS_OK; } bool defaultActionEnabled; DispatchEvent((nsIDOMStorageEvent *)event, &defaultActionEnabled); return NS_OK; } if (!nsCRT::strcmp(aTopic, "offline-cache-update-added")) { if (mApplicationCache) return NS_OK; // Instantiate the application object now. It observes update belonging to // this window's document and correctly updates the applicationCache object // state. nsCOMPtr applicationCache; GetApplicationCache(getter_AddRefs(applicationCache)); nsCOMPtr observer = do_QueryInterface(applicationCache); if (observer) observer->Observe(aSubject, aTopic, aData); return NS_OK; } NS_WARNING("unrecognized topic in nsGlobalWindow::Observe"); return NS_ERROR_FAILURE; } static PLDHashOperator FirePendingStorageEvents(const nsAString& aKey, bool aData, void *userArg) { nsGlobalWindow *win = static_cast(userArg); nsCOMPtr storage; win->GetSessionStorage(getter_AddRefs(storage)); if (storage) { win->Observe(storage, "dom-storage-changed", aKey.IsEmpty() ? nsnull : PromiseFlatString(aKey).get()); } return PL_DHASH_NEXT; } nsresult nsGlobalWindow::FireDelayedDOMEvents() { FORWARD_TO_INNER(FireDelayedDOMEvents, (), NS_ERROR_UNEXPECTED); for (PRInt32 i = 0; i < mPendingStorageEvents.Count(); ++i) { Observe(mPendingStorageEvents[i], "dom-storage2-changed", nsnull); } if (mPendingStorageEventsObsolete) { // Fire pending storage events. mPendingStorageEventsObsolete->EnumerateRead(FirePendingStorageEvents, this); mPendingStorageEventsObsolete = nsnull; } if (mApplicationCache) { static_cast(mApplicationCache.get())->FirePendingEvents(); } if (mFireOfflineStatusChangeEventOnThaw) { mFireOfflineStatusChangeEventOnThaw = false; FireOfflineStatusEvent(); } nsCOMPtr node = do_QueryInterface(GetDocShell()); if (node) { PRInt32 childCount = 0; node->GetChildCount(&childCount); for (PRInt32 i = 0; i < childCount; ++i) { nsCOMPtr childShell; node->GetChildAt(i, getter_AddRefs(childShell)); NS_ASSERTION(childShell, "null child shell"); nsCOMPtr pWin = do_GetInterface(childShell); if (pWin) { nsGlobalWindow *win = static_cast (static_cast(pWin)); win->FireDelayedDOMEvents(); } } } return NS_OK; } //***************************************************************************** // nsGlobalWindow: Window Control Functions //***************************************************************************** nsIDOMWindow * nsGlobalWindow::GetParentInternal() { FORWARD_TO_OUTER(GetParentInternal, (), nsnull); nsCOMPtr parent; GetParent(getter_AddRefs(parent)); if (parent && parent != static_cast(this)) { return parent; } return NULL; } // static void nsGlobalWindow::CloseBlockScriptTerminationFunc(nsISupports *aRef) { nsGlobalWindow* pwin = static_cast (static_cast(aRef)); pwin->mBlockScriptedClosingFlag = false; } nsresult nsGlobalWindow::OpenInternal(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, bool aDialog, bool aContentModal, bool aCalledNoScript, bool aDoJSFixups, nsIArray *argv, nsISupports *aExtraArgument, nsIPrincipal *aCalleePrincipal, JSContext *aJSCallerContext, nsIDOMWindow **aReturn) { FORWARD_TO_OUTER(OpenInternal, (aUrl, aName, aOptions, aDialog, aContentModal, aCalledNoScript, aDoJSFixups, argv, aExtraArgument, aCalleePrincipal, aJSCallerContext, aReturn), NS_ERROR_NOT_INITIALIZED); #ifdef NS_DEBUG PRUint32 argc = 0; if (argv) argv->GetLength(&argc); #endif NS_PRECONDITION(!aExtraArgument || (!argv && argc == 0), "Can't pass in arguments both ways"); NS_PRECONDITION(!aCalledNoScript || (!argv && argc == 0), "Can't pass JS args when called via the noscript methods"); NS_PRECONDITION(!aJSCallerContext || !aCalledNoScript, "Shouldn't have caller context when called noscript"); *aReturn = nsnull; nsCOMPtr chrome; GetWebBrowserChrome(getter_AddRefs(chrome)); if (!chrome) { // No chrome means we don't want to go through with this open call // -- see nsIWindowWatcher.idl return NS_ERROR_NOT_AVAILABLE; } NS_ASSERTION(mDocShell, "Must have docshell here"); const bool checkForPopup = !nsContentUtils::IsCallerChrome() && !aDialog && !WindowExists(aName, !aCalledNoScript); // Note: it's very important that this be an nsXPIDLCString, since we want // .get() on it to return nsnull until we write stuff to it. The window // watcher expects a null URL string if there is no URL to load. nsXPIDLCString url; nsresult rv = NS_OK; // It's important to do this security check before determining whether this // window opening should be blocked, to ensure that we don't FireAbuseEvents // for a window opening that wouldn't have succeeded in the first place. if (!aUrl.IsEmpty()) { AppendUTF16toUTF8(aUrl, url); /* Check whether the URI is allowed, but not for dialogs -- see bug 56851. The security of this function depends on window.openDialog being inaccessible from web scripts */ if (url.get() && !aDialog) rv = SecurityCheckURL(url.get()); } if (NS_FAILED(rv)) return rv; PopupControlState abuseLevel = gPopupControlState; if (checkForPopup) { abuseLevel = RevisePopupAbuseLevel(abuseLevel); if (abuseLevel >= openAbused) { if (aJSCallerContext) { // If script in some other window is doing a window.open on us and // it's being blocked, then it's OK to close us afterwards, probably. // But if we're doing a window.open on ourselves and block the popup, // prevent this window from closing until after this script terminates // so that whatever popup blocker UI the app has will be visible. if (mContext == GetScriptContextFromJSContext(aJSCallerContext)) { mBlockScriptedClosingFlag = true; mContext->SetTerminationFunction(CloseBlockScriptTerminationFunc, static_cast (this)); } } FireAbuseEvents(true, false, aUrl, aName, aOptions); return aDoJSFixups ? NS_OK : NS_ERROR_FAILURE; } } nsCOMPtr domReturn; nsCOMPtr wwatch = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv); NS_ENSURE_TRUE(wwatch, rv); NS_ConvertUTF16toUTF8 options(aOptions); NS_ConvertUTF16toUTF8 name(aName); const char *options_ptr = aOptions.IsEmpty() ? nsnull : options.get(); const char *name_ptr = aName.IsEmpty() ? nsnull : name.get(); { // Reset popup state while opening a window to prevent the // current state from being active the whole time a modal // dialog is open. nsAutoPopupStatePusher popupStatePusher(openAbused, true); if (!aCalledNoScript) { nsCOMPtr pwwatch(do_QueryInterface(wwatch)); NS_ASSERTION(pwwatch, "Unable to open windows from JS because window watcher " "is broken"); NS_ENSURE_TRUE(pwwatch, NS_ERROR_UNEXPECTED); rv = pwwatch->OpenWindowJS(this, url.get(), name_ptr, options_ptr, aDialog, argv, getter_AddRefs(domReturn)); } else { // Push a null JSContext here so that the window watcher won't screw us // up. We do NOT want this case looking at the JS context on the stack // when searching. Compare comments on // nsIDOMWindow::OpenWindow and nsIWindowWatcher::OpenWindow. nsCOMPtr stack; if (!aContentModal) { stack = do_GetService(sJSStackContractID); } if (stack) { rv = stack->Push(nsnull); NS_ENSURE_SUCCESS(rv, rv); } rv = wwatch->OpenWindow(this, url.get(), name_ptr, options_ptr, aExtraArgument, getter_AddRefs(domReturn)); if (stack) { JSContext* cx; stack->Pop(&cx); NS_ASSERTION(!cx, "Unexpected JSContext popped!"); } } } NS_ENSURE_SUCCESS(rv, rv); // success! domReturn.swap(*aReturn); if (aDoJSFixups) { nsCOMPtr chrome_win(do_QueryInterface(*aReturn)); if (!chrome_win) { // A new non-chrome window was created from a call to // window.open() from JavaScript, make sure there's a document in // the new window. We do this by simply asking the new window for // its document, this will synchronously create an empty document // if there is no document in the window. // XXXbz should this just use EnsureInnerWindow()? #ifdef DEBUG_jst { nsCOMPtr pidomwin(do_QueryInterface(*aReturn)); nsIDOMDocument *temp = pidomwin->GetExtantDocument(); NS_ASSERTION(temp, "No document in new window!!!"); } #endif nsCOMPtr doc; (*aReturn)->GetDocument(getter_AddRefs(doc)); } } if (checkForPopup) { if (abuseLevel >= openControlled) { nsGlobalWindow *opened = static_cast(*aReturn); if (!opened->IsPopupSpamWindow()) { opened->SetPopupSpamWindow(true); ++gOpenPopupSpamCount; } } if (abuseLevel >= openAbused) FireAbuseEvents(false, true, aUrl, aName, aOptions); } return rv; } // static void nsGlobalWindow::CloseWindow(nsISupports *aWindow) { nsCOMPtr win(do_QueryInterface(aWindow)); nsGlobalWindow* globalWin = static_cast (static_cast(win)); // Need to post an event for closing, otherwise window and // presshell etc. may get destroyed while creating frames, bug 338897. nsCloseEvent::PostCloseEvent(globalWin); // else if OOM, better not to close. That might cause a crash. } // static void nsGlobalWindow::ClearWindowScope(nsISupports *aWindow) { nsCOMPtr sgo(do_QueryInterface(aWindow)); nsIScriptContext *scx = sgo->GetContext(); if (scx) { scx->ClearScope(sgo->GetGlobalJSObject(), true); } } //***************************************************************************** // nsGlobalWindow: Timeout Functions //***************************************************************************** PRUint32 sNestingLevel; nsresult nsGlobalWindow::SetTimeoutOrInterval(nsIScriptTimeoutHandler *aHandler, PRInt32 interval, bool aIsInterval, PRInt32 *aReturn) { FORWARD_TO_INNER(SetTimeoutOrInterval, (aHandler, interval, aIsInterval, aReturn), NS_ERROR_NOT_INITIALIZED); // If we don't have a document (we could have been unloaded since // the call to setTimeout was made), do nothing. if (!mDocument) { return NS_OK; } // Disallow negative intervals. If aIsInterval also disallow 0, // because we use that as a "don't repeat" flag. interval = NS_MAX(aIsInterval ? 1 : 0, interval); // Make sure we don't proceed with an interval larger than our timer // code can handle. (Note: we already forced |interval| to be non-negative, // so the PRUint32 cast (to avoid compiler warnings) is ok.) PRUint32 maxTimeoutMs = PR_IntervalToMilliseconds(DOM_MAX_TIMEOUT_VALUE); if (static_cast(interval) > maxTimeoutMs) { interval = maxTimeoutMs; } nsRefPtr timeout = new nsTimeout(); timeout->mIsInterval = aIsInterval; timeout->mInterval = interval; timeout->mScriptHandler = aHandler; // Now clamp the actual interval we will use for the timer based on PRUint32 nestingLevel = sNestingLevel + 1; PRInt32 realInterval = interval; if (aIsInterval || nestingLevel >= DOM_CLAMP_TIMEOUT_NESTING_LEVEL) { // Don't allow timeouts less than DOMMinTimeoutValue() from // now... realInterval = NS_MAX(realInterval, DOMMinTimeoutValue()); } // Get principal of currently executing code, save for execution of timeout. // If our principals subsume the subject principal then use the subject // principal. Otherwise, use our principal to avoid running script in // elevated principals. nsCOMPtr subjectPrincipal; nsresult rv; rv = nsContentUtils::GetSecurityManager()-> GetSubjectPrincipal(getter_AddRefs(subjectPrincipal)); if (NS_FAILED(rv)) { return NS_ERROR_FAILURE; } bool subsumes = false; nsCOMPtr ourPrincipal = GetPrincipal(); // Note the direction of this test: We don't allow setTimeouts running with // chrome privileges on content windows, but we do allow setTimeouts running // with content privileges on chrome windows (where they can't do very much, // of course). rv = ourPrincipal->Subsumes(subjectPrincipal, &subsumes); if (NS_FAILED(rv)) { return NS_ERROR_FAILURE; } if (subsumes) { timeout->mPrincipal = subjectPrincipal; } else { timeout->mPrincipal = ourPrincipal; } TimeDuration delta = TimeDuration::FromMilliseconds(realInterval); if (!IsFrozen() && !mTimeoutsSuspendDepth) { // If we're not currently frozen, then we set timeout->mWhen to be the // actual firing time of the timer (i.e., now + delta). We also actually // create a timer and fire it off. timeout->mWhen = TimeStamp::Now() + delta; timeout->mTimer = do_CreateInstance("@mozilla.org/timer;1", &rv); if (NS_FAILED(rv)) { return rv; } nsRefPtr copy = timeout; rv = timeout->mTimer->InitWithFuncCallback(TimerCallback, timeout, realInterval, nsITimer::TYPE_ONE_SHOT); if (NS_FAILED(rv)) { return rv; } // The timeout is now also held in the timer's closure. copy.forget(); } else { // If we are frozen, however, then we instead simply set // timeout->mTimeRemaining to be the "time remaining" in the timeout (i.e., // the interval itself). We don't create a timer for it, since that will // happen when we are thawed and the timeout will then get a timer and run // to completion. timeout->mTimeRemaining = delta; } timeout->mWindow = this; if (!aIsInterval) { timeout->mNestingLevel = nestingLevel; } // No popups from timeouts by default timeout->mPopupState = openAbused; if (gRunningTimeoutDepth == 0 && gPopupControlState < openAbused) { // This timeout is *not* set from another timeout and it's set // while popups are enabled. Propagate the state to the timeout if // its delay (interval) is equal to or less than what // "dom.disable_open_click_delay" is set to (in ms). PRInt32 delay = Preferences::GetInt("dom.disable_open_click_delay"); // This is checking |interval|, not realInterval, on purpose, // because our lower bound for |realInterval| could be pretty high // in some cases. if (interval <= delay) { timeout->mPopupState = gPopupControlState; } } InsertTimeoutIntoList(timeout); timeout->mPublicId = ++mTimeoutPublicIdCounter; *aReturn = timeout->mPublicId; return NS_OK; } nsresult nsGlobalWindow::SetTimeoutOrInterval(bool aIsInterval, PRInt32 *aReturn) { // This needs to forward to the inner window, but since the current // inner may not be the inner in the calling scope, we need to treat // this specially here as we don't want timeouts registered in a // dying inner window to get registered and run on the current inner // window. To get this right, we need to forward this call to the // inner window that's calling window.setTimeout(). if (IsOuterWindow()) { nsGlobalWindow* callerInner = CallerInnerWindow(); NS_ENSURE_TRUE(callerInner, NS_ERROR_NOT_AVAILABLE); // If the caller and the callee share the same outer window, // forward to the callee inner. Else, we forward to the current // inner (e.g. someone is calling setTimeout() on a reference to // some other window). if (callerInner->GetOuterWindow() == this && callerInner->IsInnerWindow()) { return callerInner->SetTimeoutOrInterval(aIsInterval, aReturn); } FORWARD_TO_INNER(SetTimeoutOrInterval, (aIsInterval, aReturn), NS_ERROR_NOT_INITIALIZED); } PRInt32 interval = 0; bool isInterval = aIsInterval; nsCOMPtr handler; nsresult rv = NS_CreateJSTimeoutHandler(this, &isInterval, &interval, getter_AddRefs(handler)); if (NS_FAILED(rv)) return (rv == NS_ERROR_DOM_TYPE_ERR) ? NS_OK : rv; return SetTimeoutOrInterval(handler, interval, isInterval, aReturn); } // static void nsGlobalWindow::RunTimeout(nsTimeout *aTimeout) { // If a modal dialog is open for this window, return early. Pending // timeouts will run when the modal dialog is dismissed. if (IsInModalState() || mTimeoutsSuspendDepth) { return; } NS_TIME_FUNCTION; NS_ASSERTION(IsInnerWindow(), "Timeout running on outer window!"); NS_ASSERTION(!IsFrozen(), "Timeout running on a window in the bfcache!"); nsTimeout *nextTimeout, *timeout; nsTimeout *last_expired_timeout, *last_insertion_point; nsTimeout dummy_timeout; PRUint32 firingDepth = mTimeoutFiringDepth + 1; // Make sure that the window and the script context don't go away as // a result of running timeouts nsCOMPtr windowKungFuDeathGrip(this); // A native timer has gone off. See which of our timeouts need // servicing TimeStamp now = TimeStamp::Now(); TimeStamp deadline; if (aTimeout && aTimeout->mWhen > now) { // The OS timer fired early (yikes!), and possibly out of order // too. Set |deadline| to be the time when the OS timer *should* // have fired so that any timers that *should* have fired before // aTimeout *will* be fired now. This happens most of the time on // Win2k. deadline = aTimeout->mWhen; } else { deadline = now; } // The timeout list is kept in deadline order. Discover the latest // timeout whose deadline has expired. On some platforms, native // timeout events fire "early", so we need to test the timer as well // as the deadline. last_expired_timeout = nsnull; for (timeout = FirstTimeout(); IsTimeout(timeout); timeout = timeout->Next()) { if (((timeout == aTimeout) || (timeout->mWhen <= deadline)) && (timeout->mFiringDepth == 0)) { // Mark any timeouts that are on the list to be fired with the // firing depth so that we can reentrantly run timeouts timeout->mFiringDepth = firingDepth; last_expired_timeout = timeout; } } // Maybe the timeout that the event was fired for has been deleted // and there are no others timeouts with deadlines that make them // eligible for execution yet. Go away. if (!last_expired_timeout) { return; } // Insert a dummy timeout into the list of timeouts between the // portion of the list that we are about to process now and those // timeouts that will be processed in a future call to // win_run_timeout(). This dummy timeout serves as the head of the // list for any timeouts inserted as a result of running a timeout. dummy_timeout.mFiringDepth = firingDepth; dummy_timeout.mWhen = now; PR_INSERT_AFTER(&dummy_timeout, last_expired_timeout); // Don't let ClearWindowTimeouts throw away our stack-allocated // dummy timeout. dummy_timeout.AddRef(); dummy_timeout.AddRef(); last_insertion_point = mTimeoutInsertionPoint; // If we ever start setting mTimeoutInsertionPoint to a non-dummy timeout, // the logic in ResetTimersForNonBackgroundWindow will need to change. mTimeoutInsertionPoint = &dummy_timeout; Telemetry::AutoCounter timeoutsRan; for (timeout = FirstTimeout(); timeout != &dummy_timeout && !IsFrozen(); timeout = nextTimeout) { nextTimeout = timeout->Next(); if (timeout->mFiringDepth != firingDepth) { // We skip the timeout since it's on the list to run at another // depth. continue; } if (mTimeoutsSuspendDepth) { // Some timer did suspend us. Make sure the // rest of the timers get executed later. timeout->mFiringDepth = 0; continue; } // The timeout is on the list to run at this depth, go ahead and // process it. // Get the script context (a strong ref to prevent it going away) // for this timeout and ensure the script language is enabled. nsCOMPtr scx = GetScriptContextInternal( timeout->mScriptHandler->GetScriptTypeID()); if (!scx) { // No context means this window was closed or never properly // initialized for this language. continue; } // The "scripts disabled" concept is still a little vague wrt // multiple languages. Prepare for the day when languages can be // disabled independently of the other languages... if (!scx->GetScriptsEnabled()) { // Scripts were enabled once in this window (unless aTimeout == // nsnull) but now scripts are disabled (we might be in // print-preview, for instance), this means we shouldn't run any // timeouts at this point. // // If scripts are enabled for this language in this window again // we'll fire the timeouts that are due at that point. continue; } // This timeout is good to run nsTimeout *last_running_timeout = mRunningTimeout; mRunningTimeout = timeout; timeout->mRunning = true; ++timeoutsRan; // Push this timeout's popup control state, which should only be // eabled the first time a timeout fires that was created while // popups were enabled and with a delay less than // "dom.disable_open_click_delay". nsAutoPopupStatePusher popupStatePusher(timeout->mPopupState); // Clear the timeout's popup state, if any, to prevent interval // timeouts from repeatedly opening poups. timeout->mPopupState = openAbused; // Hold on to the timeout in case mExpr or mFunObj releases its // doc. timeout->AddRef(); ++gRunningTimeoutDepth; ++mTimeoutFiringDepth; bool trackNestingLevel = !timeout->mIsInterval; PRUint32 nestingLevel; if (trackNestingLevel) { nestingLevel = sNestingLevel; sNestingLevel = timeout->mNestingLevel; } nsCOMPtr handler(timeout->mScriptHandler); JSObject* scriptObject = handler->GetScriptObject(); if (!scriptObject) { // Evaluate the timeout expression. const PRUnichar *script = handler->GetHandlerText(); NS_ASSERTION(script, "timeout has no script nor handler text!"); const char *filename = nsnull; PRUint32 lineNo = 0; handler->GetLocation(&filename, &lineNo); NS_TIME_FUNCTION_MARK("(file: %s, line: %d)", filename, lineNo); bool is_undefined; scx->EvaluateString(nsDependentString(script), FastGetGlobalJSObject(), timeout->mPrincipal, timeout->mPrincipal, filename, lineNo, handler->GetScriptVersion(), nsnull, &is_undefined); } else { // Let the script handler know about the "secret" final argument that // indicates timeout lateness in milliseconds TimeDuration lateness = now - timeout->mWhen; handler->SetLateness(lateness.ToMilliseconds()); nsCOMPtr dummy; nsCOMPtr me(static_cast(this)); scx->CallEventHandler(me, FastGetGlobalJSObject(), scriptObject, handler->GetArgv(), // XXXmarkh - consider allowing CallEventHandler to // accept nsnull? getter_AddRefs(dummy)); } handler = nsnull; // drop reference before dropping timeout refs. if (trackNestingLevel) { sNestingLevel = nestingLevel; } --mTimeoutFiringDepth; --gRunningTimeoutDepth; mRunningTimeout = last_running_timeout; timeout->mRunning = false; // We ignore any failures from calling EvaluateString() or // CallEventHandler() on the context here since we're in a loop // where we're likely to be running timeouts whose OS timers // didn't fire in time and we don't want to not fire those timers // now just because execution of one timer failed. We can't // propagate the error to anyone who cares about it from this // point anyway, and the script context should have already reported // the script error in the usual way - so we just drop it. // If all timeouts were cleared and |timeout != aTimeout| then // |timeout| may be the last reference to the timeout so check if // it was cleared before releasing it. bool timeout_was_cleared = timeout->mCleared; timeout->Release(); if (timeout_was_cleared) { // The running timeout's window was cleared, this means that // ClearAllTimeouts() was called from a *nested* call, possibly // through a timeout that fired while a modal (to this window) // dialog was open or through other non-obvious paths. mTimeoutInsertionPoint = last_insertion_point; return; } bool isInterval = false; // If we have a regular interval timer, we re-schedule the // timeout, accounting for clock drift. if (timeout->mIsInterval) { // Compute time to next timeout for interval timer. // Make sure nextInterval is at least DOMMinTimeoutValue(). TimeDuration nextInterval = TimeDuration::FromMilliseconds(NS_MAX(timeout->mInterval, PRUint32(DOMMinTimeoutValue()))); // If we're running pending timeouts because they've been temporarily // disabled (!aTimeout), set the next interval to be relative to "now", // and not to when the timeout that was pending should have fired. TimeStamp firingTime; if (!aTimeout) firingTime = now + nextInterval; else firingTime = timeout->mWhen + nextInterval; TimeStamp currentNow = TimeStamp::Now(); TimeDuration delay = firingTime - currentNow; // And make sure delay is nonnegative; that might happen if the timer // thread is firing our timers somewhat early or if they're taking a long // time to run the callback. if (delay < TimeDuration(0)) { delay = TimeDuration(0); } if (timeout->mTimer) { timeout->mWhen = currentNow + delay; // firingTime unless delay got // clamped, in which case it's // currentNow. // Reschedule the OS timer. Don't bother returning any error // codes if this fails since the callers of this method // doesn't care about them nobody who cares about them // anyways. // Make sure to cast the unsigned PR_USEC_PER_MSEC to signed // PRTime to make the division do the right thing on 64-bit // platforms whether delay is positive or negative (which we // know is always positive here, but cast anyways for // consistency). nsresult rv = timeout->mTimer-> InitWithFuncCallback(TimerCallback, timeout, delay.ToMilliseconds(), nsITimer::TYPE_ONE_SHOT); if (NS_FAILED(rv)) { NS_ERROR("Error initializing timer for DOM timeout!"); // We failed to initialize the new OS timer, this timer does // us no good here so we just cancel it (just in case) and // null out the pointer to the OS timer, this will release the // OS timer. As we continue executing the code below we'll end // up deleting the timeout since it's not an interval timeout // any more (since timeout->mTimer == nsnull). timeout->mTimer->Cancel(); timeout->mTimer = nsnull; // Now that the OS timer no longer has a reference to the // timeout we need to drop that reference. timeout->Release(); } } else { NS_ASSERTION(IsFrozen() || mTimeoutsSuspendDepth, "How'd our timer end up null if we're not frozen or " "suspended?"); timeout->mTimeRemaining = delay; isInterval = true; } } if (timeout->mTimer) { if (timeout->mIsInterval) { isInterval = true; } else { // The timeout still has an OS timer, and it's not an // interval, that means that the OS timer could still fire (if // it didn't already, i.e. aTimeout == timeout), cancel the OS // timer and release its reference to the timeout. timeout->mTimer->Cancel(); timeout->mTimer = nsnull; timeout->Release(); } } // Running a timeout can cause another timeout to be deleted, so // we need to reset the pointer to the following timeout. nextTimeout = timeout->Next(); PR_REMOVE_LINK(timeout); if (isInterval) { // Reschedule an interval timeout. Insert interval timeout // onto list sorted in deadline order. // AddRefs timeout. InsertTimeoutIntoList(timeout); } // Release the timeout struct since it's possibly out of the list timeout->Release(); } // Take the dummy timeout off the head of the list PR_REMOVE_LINK(&dummy_timeout); mTimeoutInsertionPoint = last_insertion_point; } nsrefcnt nsTimeout::Release() { if (--mRefCnt > 0) return mRefCnt; // language specific cleanup done as mScriptHandler destructs... // Kill the timer if it is still alive. if (mTimer) { mTimer->Cancel(); mTimer = nsnull; } delete this; return 0; } nsrefcnt nsTimeout::AddRef() { return ++mRefCnt; } nsresult nsGlobalWindow::ClearTimeoutOrInterval(PRInt32 aTimerID) { FORWARD_TO_INNER(ClearTimeoutOrInterval, (aTimerID), NS_ERROR_NOT_INITIALIZED); PRUint32 public_id = (PRUint32)aTimerID; nsTimeout *timeout; for (timeout = FirstTimeout(); IsTimeout(timeout); timeout = timeout->Next()) { if (timeout->mPublicId == public_id) { if (timeout->mRunning) { /* We're running from inside the timeout. Mark this timeout for deferred deletion by the code in RunTimeout() */ timeout->mIsInterval = false; } else { /* Delete the timeout from the pending timeout list */ PR_REMOVE_LINK(timeout); if (timeout->mTimer) { timeout->mTimer->Cancel(); timeout->mTimer = nsnull; timeout->Release(); } timeout->Release(); } break; } } return NS_OK; } nsresult nsGlobalWindow::ResetTimersForNonBackgroundWindow() { FORWARD_TO_INNER(ResetTimersForNonBackgroundWindow, (), NS_ERROR_NOT_INITIALIZED); if (IsFrozen() || mTimeoutsSuspendDepth) { return NS_OK; } TimeStamp now = TimeStamp::Now(); // If mTimeoutInsertionPoint is non-null, we're in the middle of firing // timers and the timers we're planning to fire all come before // mTimeoutInsertionPoint; mTimeoutInsertionPoint itself is a dummy timeout // with an mWhen that may be semi-bogus. In that case, we don't need to do // anything with mTimeoutInsertionPoint or anything before it, so should // start at the timer after mTimeoutInsertionPoint, if there is one. // Otherwise, start at the beginning of the list. for (nsTimeout *timeout = mTimeoutInsertionPoint ? mTimeoutInsertionPoint->Next() : FirstTimeout(); IsTimeout(timeout); ) { // It's important that this check be <= so that we guarantee that // taking NS_MAX with |now| won't make a quantity equal to // timeout->mWhen below. if (timeout->mWhen <= now) { timeout = timeout->Next(); continue; } if (timeout->mWhen - now > TimeDuration::FromMilliseconds(gMinBackgroundTimeoutValue)) { // No need to loop further. Timeouts are sorted in mWhen order // and the ones after this point were all set up for at least // gMinBackgroundTimeoutValue ms and hence were not clamped. break; } /* We switched from background. Re-init the timer appropriately */ // Compute the interval the timer should have had if it had not been set in a // background window TimeDuration interval = TimeDuration::FromMilliseconds(NS_MAX(timeout->mInterval, PRUint32(DOMMinTimeoutValue()))); PRUint32 oldIntervalMillisecs = 0; timeout->mTimer->GetDelay(&oldIntervalMillisecs); TimeDuration oldInterval = TimeDuration::FromMilliseconds(oldIntervalMillisecs); if (oldInterval > interval) { // unclamp TimeStamp firingTime = NS_MAX(timeout->mWhen - oldInterval + interval, now); NS_ASSERTION(firingTime < timeout->mWhen, "Our firing time should strictly decrease!"); TimeDuration delay = firingTime - now; timeout->mWhen = firingTime; // Since we reset mWhen we need to move |timeout| to the right // place in the list so that it remains sorted by mWhen. // Get the pointer to the next timeout now, before we move the // current timeout in the list. nsTimeout* nextTimeout = timeout->Next(); // It is safe to remove and re-insert because mWhen is now // strictly smaller than it used to be, so we know we'll insert // |timeout| before nextTimeout. NS_ASSERTION(!IsTimeout(nextTimeout) || timeout->mWhen < nextTimeout->mWhen, "How did that happen?"); PR_REMOVE_LINK(timeout); // InsertTimeoutIntoList will addref |timeout| and reset // mFiringDepth. Make sure to undo that after calling it. PRUint32 firingDepth = timeout->mFiringDepth; InsertTimeoutIntoList(timeout); timeout->mFiringDepth = firingDepth; timeout->Release(); nsresult rv = timeout->mTimer->InitWithFuncCallback(TimerCallback, timeout, delay.ToMilliseconds(), nsITimer::TYPE_ONE_SHOT); if (NS_FAILED(rv)) { NS_WARNING("Error resetting non background timer for DOM timeout!"); return rv; } timeout = nextTimeout; } else { timeout = timeout->Next(); } } return NS_OK; } void nsGlobalWindow::ClearAllTimeouts() { nsTimeout *timeout, *nextTimeout; for (timeout = FirstTimeout(); IsTimeout(timeout); timeout = nextTimeout) { /* If RunTimeout() is higher up on the stack for this window, e.g. as a result of document.write from a timeout, then we need to reset the list insertion point for newly-created timeouts in case the user adds a timeout, before we pop the stack back to RunTimeout. */ if (mRunningTimeout == timeout) mTimeoutInsertionPoint = nsnull; nextTimeout = timeout->Next(); if (timeout->mTimer) { timeout->mTimer->Cancel(); timeout->mTimer = nsnull; // Drop the count since the timer isn't going to hold on // anymore. timeout->Release(); } // Set timeout->mCleared to true to indicate that the timeout was // cleared and taken out of the list of timeouts timeout->mCleared = true; // Drop the count since we're removing it from the list. timeout->Release(); } // Clear out our list PR_INIT_CLIST(&mTimeouts); } void nsGlobalWindow::InsertTimeoutIntoList(nsTimeout *aTimeout) { NS_ASSERTION(IsInnerWindow(), "InsertTimeoutIntoList() called on outer window!"); // Start at mLastTimeout and go backwards. Don't go further than // mTimeoutInsertionPoint, though. This optimizes for the common case of // insertion at the end. nsTimeout* prevSibling; for (prevSibling = LastTimeout(); IsTimeout(prevSibling) && prevSibling != mTimeoutInsertionPoint && // This condition needs to match the one in SetTimeoutOrInterval that // determines whether to set mWhen or mTimeRemaining. ((IsFrozen() || mTimeoutsSuspendDepth) ? prevSibling->mTimeRemaining > aTimeout->mTimeRemaining : prevSibling->mWhen > aTimeout->mWhen); prevSibling = prevSibling->Prev()) { /* Do nothing; just searching */ } // Now link in aTimeout after prevSibling. PR_INSERT_AFTER(aTimeout, prevSibling); aTimeout->mFiringDepth = 0; // Increment the timeout's reference count since it's now held on to // by the list aTimeout->AddRef(); } // static void nsGlobalWindow::TimerCallback(nsITimer *aTimer, void *aClosure) { nsRefPtr timeout = (nsTimeout *)aClosure; timeout->mWindow->RunTimeout(timeout); } //***************************************************************************** // nsGlobalWindow: Helper Functions //***************************************************************************** nsresult nsGlobalWindow::GetTreeOwner(nsIDocShellTreeOwner **aTreeOwner) { FORWARD_TO_OUTER(GetTreeOwner, (aTreeOwner), NS_ERROR_NOT_INITIALIZED); nsCOMPtr docShellAsItem(do_QueryInterface(mDocShell)); // If there's no docShellAsItem, this window must have been closed, // in that case there is no tree owner. if (!docShellAsItem) { *aTreeOwner = nsnull; return NS_OK; } return docShellAsItem->GetTreeOwner(aTreeOwner); } nsresult nsGlobalWindow::GetTreeOwner(nsIBaseWindow **aTreeOwner) { FORWARD_TO_OUTER(GetTreeOwner, (aTreeOwner), NS_ERROR_NOT_INITIALIZED); nsCOMPtr docShellAsItem(do_QueryInterface(mDocShell)); nsCOMPtr treeOwner; // If there's no docShellAsItem, this window must have been closed, // in that case there is no tree owner. if (docShellAsItem) { docShellAsItem->GetTreeOwner(getter_AddRefs(treeOwner)); } if (!treeOwner) { *aTreeOwner = nsnull; return NS_OK; } return CallQueryInterface(treeOwner, aTreeOwner); } nsresult nsGlobalWindow::GetWebBrowserChrome(nsIWebBrowserChrome **aBrowserChrome) { nsCOMPtr treeOwner; GetTreeOwner(getter_AddRefs(treeOwner)); nsCOMPtr browserChrome(do_GetInterface(treeOwner)); NS_IF_ADDREF(*aBrowserChrome = browserChrome); return NS_OK; } nsIScrollableFrame * nsGlobalWindow::GetScrollFrame() { FORWARD_TO_OUTER(GetScrollFrame, (), nsnull); if (!mDocShell) { return nsnull; } nsCOMPtr presShell; mDocShell->GetPresShell(getter_AddRefs(presShell)); if (presShell) { return presShell->GetRootScrollFrameAsScrollable(); } return nsnull; } nsresult nsGlobalWindow::BuildURIfromBase(const char *aURL, nsIURI **aBuiltURI, bool *aFreeSecurityPass, JSContext **aCXused) { nsIScriptContext *scx = GetContextInternal(); JSContext *cx = nsnull; *aBuiltURI = nsnull; *aFreeSecurityPass = false; if (aCXused) *aCXused = nsnull; // get JSContext NS_ASSERTION(scx, "opening window missing its context"); NS_ASSERTION(mDocument, "opening window missing its document"); if (!scx || !mDocument) return NS_ERROR_FAILURE; nsCOMPtr chrome_win = do_QueryObject(this); if (nsContentUtils::IsCallerChrome() && !chrome_win) { // If open() is called from chrome on a non-chrome window, we'll // use the context from the window on which open() is being called // to prevent giving chrome priveleges to new windows opened in // such a way. This also makes us get the appropriate base URI for // the below URI resolution code. cx = scx->GetNativeContext(); } else { // get the JSContext from the call stack nsCOMPtr stack(do_GetService(sJSStackContractID)); if (stack) stack->Peek(&cx); } /* resolve the URI, which could be relative to the calling window (note the algorithm to get the base URI should match the one used to actually kick off the load in nsWindowWatcher.cpp). */ nsCAutoString charset(NS_LITERAL_CSTRING("UTF-8")); // default to utf-8 nsIURI* baseURI = nsnull; nsCOMPtr uriToLoad; nsCOMPtr sourceWindow; if (cx) { nsIScriptContext *scriptcx = nsJSUtils::GetDynamicScriptContext(cx); if (scriptcx) sourceWindow = do_QueryInterface(scriptcx->GetGlobalObject()); } if (!sourceWindow) { sourceWindow = do_QueryInterface(NS_ISUPPORTS_CAST(nsIDOMWindow *, this)); *aFreeSecurityPass = true; } if (sourceWindow) { nsCOMPtr domDoc; sourceWindow->GetDocument(getter_AddRefs(domDoc)); nsCOMPtr doc(do_QueryInterface(domDoc)); if (doc) { baseURI = doc->GetDocBaseURI(); charset = doc->GetDocumentCharacterSet(); } } if (aCXused) *aCXused = cx; return NS_NewURI(aBuiltURI, nsDependentCString(aURL), charset.get(), baseURI); } nsresult nsGlobalWindow::SecurityCheckURL(const char *aURL) { JSContext *cx; bool freePass; nsCOMPtr uri; if (NS_FAILED(BuildURIfromBase(aURL, getter_AddRefs(uri), &freePass, &cx))) return NS_ERROR_FAILURE; if (!freePass && NS_FAILED(nsContentUtils::GetSecurityManager()-> CheckLoadURIFromScript(cx, uri))) return NS_ERROR_FAILURE; return NS_OK; } void nsGlobalWindow::FlushPendingNotifications(mozFlushType aType) { if (mDoc) { mDoc->FlushPendingNotifications(aType); } } void nsGlobalWindow::EnsureSizeUpToDate() { // If we're a subframe, make sure our size is up to date. It's OK that this // crosses the content/chrome boundary, since chrome can have pending reflows // too. nsGlobalWindow *parent = static_cast(GetPrivateParent()); if (parent) { parent->FlushPendingNotifications(Flush_Layout); } } nsresult nsGlobalWindow::SaveWindowState(nsISupports **aState) { NS_PRECONDITION(IsOuterWindow(), "Can't save the inner window's state"); *aState = nsnull; if (!mContext || !mJSObject) { // The window may be getting torn down; don't bother saving state. return NS_OK; } nsGlobalWindow *inner = GetCurrentInnerWindowInternal(); NS_ASSERTION(inner, "No inner window to save"); // Don't do anything else to this inner window! After this point, all // calls to SetTimeoutOrInterval will create entries in the timeout // list that will only run after this window has come out of the bfcache. // Also, while we're frozen, we won't dispatch online/offline events // to the page. inner->Freeze(); // Remember the outer window's prototype. JSContext *cx = mContext->GetNativeContext(); JSAutoRequest req(cx); nsIXPConnect *xpc = nsContentUtils::XPConnect(); nsCOMPtr ci = do_QueryInterface((nsIScriptGlobalObject *)this); nsCOMPtr proto; nsresult rv = xpc->GetWrappedNativePrototype(cx, mJSObject, ci, getter_AddRefs(proto)); NS_ENSURE_SUCCESS(rv, rv); JSObject *realProto = JS_GetPrototype(cx, mJSObject); nsCOMPtr realProtoHolder; if (realProto) { rv = xpc->HoldObject(cx, realProto, getter_AddRefs(realProtoHolder)); NS_ENSURE_SUCCESS(rv, rv); } nsCOMPtr state = new WindowStateHolder(inner, mInnerWindowHolder, proto, realProtoHolder); NS_ENSURE_TRUE(state, NS_ERROR_OUT_OF_MEMORY); JSObject *wnProto; proto->GetJSObject(&wnProto); if (!JS_SetPrototype(cx, mJSObject, wnProto)) { return NS_ERROR_FAILURE; } #ifdef DEBUG_PAGE_CACHE printf("saving window state, state = %p\n", (void*)state); #endif state.swap(*aState); return NS_OK; } nsresult nsGlobalWindow::RestoreWindowState(nsISupports *aState) { NS_ASSERTION(IsOuterWindow(), "Cannot restore an inner window"); if (!mContext || !mJSObject) { // The window may be getting torn down; don't bother restoring state. return NS_OK; } nsCOMPtr holder = do_QueryInterface(aState); NS_ENSURE_TRUE(holder, NS_ERROR_FAILURE); #ifdef DEBUG_PAGE_CACHE printf("restoring window state, state = %p\n", (void*)holder); #endif // And we're ready to go! nsGlobalWindow *inner = GetCurrentInnerWindowInternal(); // if a link is focused, refocus with the FLAG_SHOWRING flag set. This makes // it easy to tell which link was last clicked when going back a page. nsIContent* focusedNode = inner->GetFocusedNode(); if (IsLink(focusedNode)) { nsIFocusManager* fm = nsFocusManager::GetFocusManager(); if (fm) { nsCOMPtr focusedElement(do_QueryInterface(focusedNode)); fm->SetFocus(focusedElement, nsIFocusManager::FLAG_NOSCROLL | nsIFocusManager::FLAG_SHOWRING); } } inner->Thaw(); holder->DidRestoreWindow(); return NS_OK; } void nsGlobalWindow::SuspendTimeouts(PRUint32 aIncrease, bool aFreezeChildren) { FORWARD_TO_INNER_VOID(SuspendTimeouts, (aIncrease, aFreezeChildren)); bool suspended = (mTimeoutsSuspendDepth != 0); mTimeoutsSuspendDepth += aIncrease; if (!suspended) { DisableDeviceMotionUpdates(); // Suspend all of the workers for this window. nsIScriptContext *scx = GetContextInternal(); JSContext *cx = scx ? scx->GetNativeContext() : nsnull; mozilla::dom::workers::SuspendWorkersForWindow(cx, this); TimeStamp now = TimeStamp::Now(); for (nsTimeout *t = FirstTimeout(); IsTimeout(t); t = t->Next()) { // Set mTimeRemaining to be the time remaining for this timer. if (t->mWhen > now) t->mTimeRemaining = t->mWhen - now; else t->mTimeRemaining = TimeDuration(0); // Drop the XPCOM timer; we'll reschedule when restoring the state. if (t->mTimer) { t->mTimer->Cancel(); t->mTimer = nsnull; // Drop the reference that the timer's closure had on this timeout, we'll // add it back in ResumeTimeouts. Note that it shouldn't matter that we're // passing null for the context, since this shouldn't actually release this // timeout. t->Release(); } } } // Suspend our children as well. nsCOMPtr node(do_QueryInterface(GetDocShell())); if (node) { PRInt32 childCount = 0; node->GetChildCount(&childCount); for (PRInt32 i = 0; i < childCount; ++i) { nsCOMPtr childShell; node->GetChildAt(i, getter_AddRefs(childShell)); NS_ASSERTION(childShell, "null child shell"); nsCOMPtr pWin = do_GetInterface(childShell); if (pWin) { nsGlobalWindow *win = static_cast (static_cast(pWin)); NS_ASSERTION(win->IsOuterWindow(), "Expected outer window"); nsGlobalWindow* inner = win->GetCurrentInnerWindowInternal(); // This is a bit hackish. Only freeze/suspend windows which are truly our // subwindows. nsCOMPtr frame = do_QueryInterface(pWin->GetFrameElementInternal()); if (!mDoc || !frame || mDoc != frame->OwnerDoc() || !inner) { continue; } win->SuspendTimeouts(aIncrease, aFreezeChildren); if (inner && aFreezeChildren) { inner->Freeze(); } } } } } nsresult nsGlobalWindow::ResumeTimeouts(bool aThawChildren) { FORWARD_TO_INNER(ResumeTimeouts, (), NS_ERROR_NOT_INITIALIZED); NS_ASSERTION(mTimeoutsSuspendDepth, "Mismatched calls to ResumeTimeouts!"); --mTimeoutsSuspendDepth; bool shouldResume = (mTimeoutsSuspendDepth == 0); nsresult rv; if (shouldResume) { EnableDeviceMotionUpdates(); // Resume all of the workers for this window. nsIScriptContext *scx = GetContextInternal(); JSContext *cx = scx ? scx->GetNativeContext() : nsnull; mozilla::dom::workers::ResumeWorkersForWindow(cx, this); // Restore all of the timeouts, using the stored time remaining // (stored in timeout->mTimeRemaining). TimeStamp now = TimeStamp::Now(); #ifdef DEBUG bool _seenDummyTimeout = false; #endif for (nsTimeout *t = FirstTimeout(); IsTimeout(t); t = t->Next()) { // There's a chance we're being called with RunTimeout on the stack in which // case we have a dummy timeout in the list that *must not* be resumed. It // can be identified by a null mWindow. if (!t->mWindow) { #ifdef DEBUG NS_ASSERTION(!_seenDummyTimeout, "More than one dummy timeout?!"); _seenDummyTimeout = true; #endif continue; } // XXXbz the combination of the way |delay| and |t->mWhen| are set here // makes no sense. Are we trying to impose that min timeout value or // not??? PRUint32 delay = NS_MAX(PRInt32(t->mTimeRemaining.ToMilliseconds()), DOMMinTimeoutValue()); // Set mWhen back to the time when the timer is supposed to // fire. t->mWhen = now + t->mTimeRemaining; t->mTimer = do_CreateInstance("@mozilla.org/timer;1"); NS_ENSURE_TRUE(t->mTimer, NS_ERROR_OUT_OF_MEMORY); rv = t->mTimer->InitWithFuncCallback(TimerCallback, t, delay, nsITimer::TYPE_ONE_SHOT); if (NS_FAILED(rv)) { t->mTimer = nsnull; return rv; } // Add a reference for the new timer's closure. t->AddRef(); } } // Resume our children as well. nsCOMPtr node = do_QueryInterface(GetDocShell()); if (node) { PRInt32 childCount = 0; node->GetChildCount(&childCount); for (PRInt32 i = 0; i < childCount; ++i) { nsCOMPtr childShell; node->GetChildAt(i, getter_AddRefs(childShell)); NS_ASSERTION(childShell, "null child shell"); nsCOMPtr pWin = do_GetInterface(childShell); if (pWin) { nsGlobalWindow *win = static_cast (static_cast(pWin)); NS_ASSERTION(win->IsOuterWindow(), "Expected outer window"); nsGlobalWindow* inner = win->GetCurrentInnerWindowInternal(); // This is a bit hackish. Only thaw/resume windows which are truly our // subwindows. nsCOMPtr frame = do_QueryInterface(pWin->GetFrameElementInternal()); if (!mDoc || !frame || mDoc != frame->OwnerDoc() || !inner) { continue; } if (inner && aThawChildren) { inner->Thaw(); } rv = win->ResumeTimeouts(aThawChildren); NS_ENSURE_SUCCESS(rv, rv); } } } return NS_OK; } PRUint32 nsGlobalWindow::TimeoutSuspendCount() { FORWARD_TO_INNER(TimeoutSuspendCount, (), 0); return mTimeoutsSuspendDepth; } void nsGlobalWindow::SetHasOrientationEventListener() { mHasDeviceMotion = true; EnableDeviceMotionUpdates(); } void nsGlobalWindow::RemoveOrientationEventListener() { DisableDeviceMotionUpdates(); } NS_IMETHODIMP nsGlobalWindow::GetURL(nsIDOMMozURLProperty** aURL) { FORWARD_TO_INNER(GetURL, (aURL), NS_ERROR_UNEXPECTED); if (!mURLProperty) { mURLProperty = new nsDOMMozURLProperty(this); } NS_ADDREF(*aURL = mURLProperty); return NS_OK; } // static bool nsGlobalWindow::HasIndexedDBSupport() { return Preferences::GetBool("indexedDB.feature.enabled", true); } // static bool nsGlobalWindow::HasPerformanceSupport() { return Preferences::GetBool("dom.enable_performance", false); } PRInt64 nsGlobalWindow::SizeOf() const { PRInt64 size = sizeof(*this); if (IsInnerWindow()) { nsEventListenerManager* elm = const_cast(this)->GetListenerManager(false); if (elm) { size += elm->SizeOf(); } if (mDoc) { size += mDoc->SizeOf(); } } size += mNavigator ? mNavigator->SizeOf() : 0; return size; } // nsGlobalChromeWindow implementation NS_IMPL_CYCLE_COLLECTION_CLASS(nsGlobalChromeWindow) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(nsGlobalChromeWindow, nsGlobalWindow) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mBrowserDOMWindow) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mMessageManager) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsGlobalChromeWindow, nsGlobalWindow) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mBrowserDOMWindow) if (tmp->mMessageManager) { static_cast( tmp->mMessageManager.get())->Disconnect(); NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mMessageManager) } NS_IMPL_CYCLE_COLLECTION_UNLINK_END DOMCI_DATA(ChromeWindow, nsGlobalChromeWindow) // QueryInterface implementation for nsGlobalChromeWindow NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(nsGlobalChromeWindow) NS_INTERFACE_MAP_ENTRY(nsIDOMChromeWindow) NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(ChromeWindow) NS_INTERFACE_MAP_END_INHERITING(nsGlobalWindow) NS_IMPL_ADDREF_INHERITED(nsGlobalChromeWindow, nsGlobalWindow) NS_IMPL_RELEASE_INHERITED(nsGlobalChromeWindow, nsGlobalWindow) NS_IMETHODIMP nsGlobalChromeWindow::GetWindowState(PRUint16* aWindowState) { *aWindowState = nsIDOMChromeWindow::STATE_NORMAL; nsCOMPtr widget = GetMainWidget(); PRInt32 aMode = 0; if (widget) { nsresult rv = widget->GetSizeMode(&aMode); NS_ENSURE_SUCCESS(rv, rv); } switch (aMode) { case nsSizeMode_Minimized: *aWindowState = nsIDOMChromeWindow::STATE_MINIMIZED; break; case nsSizeMode_Maximized: *aWindowState = nsIDOMChromeWindow::STATE_MAXIMIZED; break; case nsSizeMode_Fullscreen: *aWindowState = nsIDOMChromeWindow::STATE_FULLSCREEN; break; case nsSizeMode_Normal: *aWindowState = nsIDOMChromeWindow::STATE_NORMAL; break; default: NS_WARNING("Illegal window state for this chrome window"); break; } return NS_OK; } NS_IMETHODIMP nsGlobalChromeWindow::Maximize() { nsCOMPtr widget = GetMainWidget(); nsresult rv = NS_OK; if (widget) { rv = widget->SetSizeMode(nsSizeMode_Maximized); } return rv; } NS_IMETHODIMP nsGlobalChromeWindow::Minimize() { nsCOMPtr widget = GetMainWidget(); nsresult rv = NS_OK; if (widget) rv = widget->SetSizeMode(nsSizeMode_Minimized); return rv; } NS_IMETHODIMP nsGlobalChromeWindow::Restore() { nsCOMPtr widget = GetMainWidget(); nsresult rv = NS_OK; if (widget) { rv = widget->SetSizeMode(nsSizeMode_Normal); } return rv; } NS_IMETHODIMP nsGlobalChromeWindow::GetAttention() { return GetAttentionWithCycleCount(-1); } NS_IMETHODIMP nsGlobalChromeWindow::GetAttentionWithCycleCount(PRInt32 aCycleCount) { nsCOMPtr widget = GetMainWidget(); nsresult rv = NS_OK; if (widget) { rv = widget->GetAttention(aCycleCount); } return rv; } NS_IMETHODIMP nsGlobalChromeWindow::BeginWindowMove(nsIDOMEvent *aMouseDownEvent, nsIDOMElement* aPanel) { nsCOMPtr widget; // if a panel was supplied, use its widget instead. #ifdef MOZ_XUL if (aPanel) { nsCOMPtr panel = do_QueryInterface(aPanel); NS_ENSURE_TRUE(panel, NS_ERROR_FAILURE); nsIFrame* frame = panel->GetPrimaryFrame(); NS_ENSURE_TRUE(frame && frame->GetType() == nsGkAtoms::menuPopupFrame, NS_OK); widget = (static_cast(frame))->GetWidget(); } else { #endif widget = GetMainWidget(); #ifdef MOZ_XUL } #endif if (!widget) { return NS_OK; } nsCOMPtr privEvent = do_QueryInterface(aMouseDownEvent); NS_ENSURE_TRUE(privEvent, NS_ERROR_FAILURE); nsEvent *internalEvent = privEvent->GetInternalNSEvent(); NS_ENSURE_TRUE(internalEvent && internalEvent->eventStructType == NS_MOUSE_EVENT, NS_ERROR_FAILURE); nsMouseEvent *mouseEvent = static_cast(internalEvent); return widget->BeginMoveDrag(mouseEvent); } //Note: This call will lock the cursor, it will not change as it moves. //To unlock, the cursor must be set back to CURSOR_AUTO. NS_IMETHODIMP nsGlobalChromeWindow::SetCursor(const nsAString& aCursor) { FORWARD_TO_OUTER_CHROME(SetCursor, (aCursor), NS_ERROR_NOT_INITIALIZED); nsresult rv = NS_OK; PRInt32 cursor; // use C strings to keep the code/data size down NS_ConvertUTF16toUTF8 cursorString(aCursor); if (cursorString.Equals("auto")) cursor = NS_STYLE_CURSOR_AUTO; else { nsCSSKeyword keyword = nsCSSKeywords::LookupKeyword(aCursor); if (eCSSKeyword_UNKNOWN == keyword || !nsCSSProps::FindKeyword(keyword, nsCSSProps::kCursorKTable, cursor)) { // XXX remove the following three values (leave return NS_OK) after 1.8 // XXX since they should have been -moz- prefixed (covered by FindKeyword). // XXX (also remove |cursorString| at that point?). if (cursorString.Equals("grab")) cursor = NS_STYLE_CURSOR_GRAB; else if (cursorString.Equals("grabbing")) cursor = NS_STYLE_CURSOR_GRABBING; else if (cursorString.Equals("spinning")) cursor = NS_STYLE_CURSOR_SPINNING; else return NS_OK; } } nsRefPtr presContext; if (mDocShell) { mDocShell->GetPresContext(getter_AddRefs(presContext)); } if (presContext) { // Need root widget. nsCOMPtr presShell; mDocShell->GetPresShell(getter_AddRefs(presShell)); NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE); nsIViewManager* vm = presShell->GetViewManager(); NS_ENSURE_TRUE(vm, NS_ERROR_FAILURE); nsIView* rootView = vm->GetRootView(); NS_ENSURE_TRUE(rootView, NS_ERROR_FAILURE); nsIWidget* widget = rootView->GetNearestWidget(nsnull); NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE); // Call esm and set cursor. rv = presContext->EventStateManager()->SetCursor(cursor, nsnull, false, 0.0f, 0.0f, widget, true); } return rv; } NS_IMETHODIMP nsGlobalChromeWindow::GetBrowserDOMWindow(nsIBrowserDOMWindow **aBrowserWindow) { FORWARD_TO_OUTER_CHROME(GetBrowserDOMWindow, (aBrowserWindow), NS_ERROR_NOT_INITIALIZED); NS_ENSURE_ARG_POINTER(aBrowserWindow); *aBrowserWindow = mBrowserDOMWindow; NS_IF_ADDREF(*aBrowserWindow); return NS_OK; } NS_IMETHODIMP nsGlobalChromeWindow::SetBrowserDOMWindow(nsIBrowserDOMWindow *aBrowserWindow) { FORWARD_TO_OUTER_CHROME(SetBrowserDOMWindow, (aBrowserWindow), NS_ERROR_NOT_INITIALIZED); mBrowserDOMWindow = aBrowserWindow; return NS_OK; } NS_IMETHODIMP nsGlobalChromeWindow::NotifyDefaultButtonLoaded(nsIDOMElement* aDefaultButton) { #ifdef MOZ_XUL NS_ENSURE_ARG(aDefaultButton); // Don't snap to a disabled button. nsCOMPtr xulControl = do_QueryInterface(aDefaultButton); NS_ENSURE_TRUE(xulControl, NS_ERROR_FAILURE); bool disabled; nsresult rv = xulControl->GetDisabled(&disabled); NS_ENSURE_SUCCESS(rv, rv); if (disabled) return NS_OK; // Get the button rect in screen coordinates. nsCOMPtr content(do_QueryInterface(aDefaultButton)); NS_ENSURE_TRUE(content, NS_ERROR_FAILURE); nsIFrame *frame = content->GetPrimaryFrame(); NS_ENSURE_TRUE(frame, NS_ERROR_FAILURE); nsIntRect buttonRect = frame->GetScreenRect(); // Get the widget rect in screen coordinates. nsIWidget *widget = GetNearestWidget(); NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE); nsIntRect widgetRect; rv = widget->GetScreenBounds(widgetRect); NS_ENSURE_SUCCESS(rv, rv); // Convert the buttonRect coordinates from screen to the widget. buttonRect -= widgetRect.TopLeft(); rv = widget->OnDefaultButtonLoaded(buttonRect); if (rv == NS_ERROR_NOT_IMPLEMENTED) return NS_OK; return rv; #else return NS_ERROR_NOT_IMPLEMENTED; #endif } NS_IMETHODIMP nsGlobalChromeWindow::GetMessageManager(nsIChromeFrameMessageManager** aManager) { FORWARD_TO_INNER_CHROME(GetMessageManager, (aManager), NS_ERROR_FAILURE); if (!mMessageManager) { nsIScriptContext* scx = GetContextInternal(); NS_ENSURE_STATE(scx); JSContext* cx = scx->GetNativeContext(); NS_ENSURE_STATE(cx); nsCOMPtr globalMM = do_GetService("@mozilla.org/globalmessagemanager;1"); mMessageManager = new nsFrameMessageManager(true, nsnull, nsnull, nsnull, nsnull, static_cast(globalMM.get()), cx); NS_ENSURE_TRUE(mMessageManager, NS_ERROR_OUT_OF_MEMORY); } CallQueryInterface(mMessageManager, aManager); return NS_OK; } // nsGlobalModalWindow implementation // QueryInterface implementation for nsGlobalModalWindow NS_IMPL_CYCLE_COLLECTION_CLASS(nsGlobalModalWindow) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(nsGlobalModalWindow, nsGlobalWindow) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mReturnValue) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END DOMCI_DATA(ModalContentWindow, nsGlobalModalWindow) NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(nsGlobalModalWindow) NS_INTERFACE_MAP_ENTRY(nsIDOMModalContentWindow) NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(ModalContentWindow) NS_INTERFACE_MAP_END_INHERITING(nsGlobalWindow) NS_IMPL_ADDREF_INHERITED(nsGlobalModalWindow, nsGlobalWindow) NS_IMPL_RELEASE_INHERITED(nsGlobalModalWindow, nsGlobalWindow) NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsGlobalModalWindow, nsGlobalWindow) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mReturnValue) NS_IMPL_CYCLE_COLLECTION_UNLINK_END NS_IMETHODIMP nsGlobalModalWindow::GetDialogArguments(nsIArray **aArguments) { FORWARD_TO_INNER_MODAL_CONTENT_WINDOW(GetDialogArguments, (aArguments), NS_ERROR_NOT_INITIALIZED); bool subsumes = false; nsIPrincipal *self = GetPrincipal(); if (self && NS_SUCCEEDED(self->Subsumes(mArgumentsOrigin, &subsumes)) && subsumes) { NS_IF_ADDREF(*aArguments = mArguments); } else { *aArguments = nsnull; } return NS_OK; } NS_IMETHODIMP nsGlobalModalWindow::GetReturnValue(nsIVariant **aRetVal) { FORWARD_TO_OUTER_MODAL_CONTENT_WINDOW(GetReturnValue, (aRetVal), NS_OK); NS_IF_ADDREF(*aRetVal = mReturnValue); return NS_OK; } NS_IMETHODIMP nsGlobalModalWindow::SetReturnValue(nsIVariant *aRetVal) { FORWARD_TO_OUTER_MODAL_CONTENT_WINDOW(SetReturnValue, (aRetVal), NS_OK); mReturnValue = aRetVal; return NS_OK; } nsresult nsGlobalModalWindow::SetNewDocument(nsIDocument *aDocument, nsISupports *aState, bool aForceReuseInnerWindow) { // If we're loading a new document into a modal dialog, clear the // return value that was set, if any, by the current document. if (aDocument) { mReturnValue = nsnull; } return nsGlobalWindow::SetNewDocument(aDocument, aState, aForceReuseInnerWindow); } void nsGlobalWindow::SetHasAudioAvailableEventListeners() { if (mDoc) { mDoc->NotifyAudioAvailableListener(); } } //***************************************************************************** // nsGlobalWindow: Creator Function (This should go away) //***************************************************************************** nsresult NS_NewScriptGlobalObject(bool aIsChrome, bool aIsModalContentWindow, nsIScriptGlobalObject **aResult) { *aResult = nsnull; nsGlobalWindow *global; if (aIsChrome) { global = new nsGlobalChromeWindow(nsnull); } else if (aIsModalContentWindow) { global = new nsGlobalModalWindow(nsnull); } else { global = new nsGlobalWindow(nsnull); } NS_ENSURE_TRUE(global, NS_ERROR_OUT_OF_MEMORY); NS_ADDREF(*aResult = global); return NS_OK; } #define EVENT(name_, id_, type_, struct_) \ NS_IMETHODIMP nsGlobalWindow::GetOn##name_(JSContext *cx, \ jsval *vp) { \ nsEventListenerManager *elm = GetListenerManager(false); \ if (elm) { \ elm->GetJSEventListener(nsGkAtoms::on##name_, vp); \ } else { \ *vp = JSVAL_NULL; \ } \ return NS_OK; \ } \ NS_IMETHODIMP nsGlobalWindow::SetOn##name_(JSContext *cx, \ const jsval &v) { \ nsEventListenerManager *elm = GetListenerManager(true); \ if (!elm) { \ return NS_ERROR_OUT_OF_MEMORY; \ } \ \ JSObject *obj = mJSObject; \ if (!obj) { \ return NS_ERROR_UNEXPECTED; \ } \ return elm->SetJSEventListenerToJsval(nsGkAtoms::on##name_, cx, obj, v); \ } #define WINDOW_ONLY_EVENT EVENT #define TOUCH_EVENT EVENT #include "nsEventNameList.h" #undef TOUCH_EVENT #undef WINDOW_ONLY_EVENT #undef EVENT