/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=2 sw=2 et tw=78: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "mozilla/Util.h" // On top because they include basictypes.h: #include "mozilla/dom/SmsFilter.h" #ifdef XP_WIN #undef GetClassName #endif // JavaScript includes #include "jsapi.h" #include "jsfriendapi.h" #include "jsprvtd.h" // we are using private JS typedefs... #include "jsdbgapi.h" #include "WrapperFactory.h" #include "AccessCheck.h" #include "XrayWrapper.h" #include "xpcpublic.h" #include "xpcprivate.h" #include "XPCWrapper.h" #include "XPCQuickStubs.h" #include "nsDOMQS.h" #include "mozilla/dom/RegisterBindings.h" #include "nscore.h" #include "nsDOMClassInfo.h" #include "nsCRT.h" #include "nsCRTGlue.h" #include "nsIServiceManager.h" #include "nsICategoryManager.h" #include "nsIComponentRegistrar.h" #include "nsXPCOM.h" #include "nsISupportsPrimitives.h" #include "nsIXPConnect.h" #include "nsIXPCSecurityManager.h" #include "nsIStringBundle.h" #include "nsIConsoleService.h" #include "nsIScriptError.h" #include "nsXPIDLString.h" #include "nsReadableUtils.h" #include "nsUnicharUtils.h" #include "xptcall.h" #include "prprf.h" #include "nsTArray.h" #include "nsCSSValue.h" #include "nsThreadUtils.h" #include "nsDOMEventTargetHelper.h" // General helper includes #include "nsGlobalWindow.h" #include "nsHistory.h" #include "nsIContent.h" #include "nsIDocument.h" #include "nsIDOMDocument.h" #include "nsIDOMEvent.h" #include "nsIDOMEventListener.h" #include "nsContentUtils.h" #include "nsCxPusher.h" #include "nsDOMWindowUtils.h" #include "nsIDOMGlobalPropertyInitializer.h" #include "mozilla/Preferences.h" #include "nsLocation.h" #include "mozilla/Attributes.h" #include "mozilla/Telemetry.h" // Window scriptable helper includes #include "nsIDocShell.h" #include "nsIDocShellTreeItem.h" #include "nsIDocShellTreeNode.h" #include "nsIScriptExternalNameSet.h" #include "nsJSUtils.h" #include "nsIInterfaceRequestor.h" #include "nsIInterfaceRequestorUtils.h" #include "nsScriptNameSpaceManager.h" #include "nsIJSNativeInitializer.h" #include "nsJSEnvironment.h" // DOM base includes #include "nsIDOMPluginArray.h" #include "nsIDOMPlugin.h" #include "nsIDOMMimeTypeArray.h" #include "nsIDOMMimeType.h" #include "nsIDOMLocation.h" #include "nsIDOMWindow.h" #include "nsPIDOMWindow.h" #include "nsIDOMJSWindow.h" #include "nsIDOMWindowCollection.h" #include "nsIDOMHistory.h" #include "nsIDOMMediaList.h" #include "nsIDOMChromeWindow.h" #include "nsIDOMConstructor.h" // DOM core includes #include "nsError.h" #include "nsIDOMDOMException.h" #include "nsIDOMNode.h" #include "nsIDOMDOMStringList.h" // Event related includes #include "nsEventListenerManager.h" #include "nsIDOMEventTarget.h" // CSS related includes #include "nsCSSRules.h" #include "nsIDOMStyleSheet.h" #include "nsIDOMStyleSheetList.h" #include "nsIDOMCSSRule.h" #include "nsICSSRuleList.h" #include "nsIDOMRect.h" #include "nsDOMCSSAttrDeclaration.h" // XBL related includes. #include "nsXBLService.h" #include "nsXBLBinding.h" #include "nsBindingManager.h" #include "nsIFrame.h" #include "nsIPresShell.h" #include "nsIDOMElement.h" #include "nsStyleContext.h" #include "nsAutoPtr.h" #include "nsMemory.h" // Tranformiix #include "nsIDOMXPathEvaluator.h" #include "nsIXSLTProcessor.h" #include "nsIXSLTProcessorPrivate.h" #include "nsXMLHttpRequest.h" #include "nsIDOMSettingsManager.h" #include "nsIDOMContactManager.h" #include "nsIDOMPermissionSettings.h" #include "nsIDOMApplicationRegistry.h" // includes needed for the prototype chain interfaces #include "nsIDOMNavigator.h" #include "nsIDOMDocumentXBL.h" #include "nsIDOMElementCSSInlineStyle.h" #include "nsIDOMLinkStyle.h" #include "nsIDOMHTMLDocument.h" #include "nsIDOMCSSCharsetRule.h" #include "nsIDOMCSSImportRule.h" #include "nsIDOMCSSMediaRule.h" #include "nsIDOMCSSFontFaceRule.h" #include "nsIDOMCSSMozDocumentRule.h" #include "nsIDOMCSSSupportsRule.h" #include "nsIDOMMozCSSKeyframeRule.h" #include "nsIDOMMozCSSKeyframesRule.h" #include "nsIDOMCSSPageRule.h" #include "nsIDOMCSSStyleRule.h" #include "nsIDOMCSSStyleSheet.h" #include "nsIDOMDeviceMotionEvent.h" //nsIDOMDeviceAcceleration #include "nsIDOMXULCommandDispatcher.h" #ifndef MOZ_DISABLE_CRYPTOLEGACY #include "nsIDOMCRMFObject.h" #include "nsIDOMCryptoLegacy.h" #else #include "nsIDOMCrypto.h" #endif #include "nsIControllers.h" #include "nsISelection.h" #include "nsIBoxObject.h" #ifdef MOZ_GAMEPAD #include "nsINavigatorGamepads.h" #include "mozilla/dom/GamepadService.h" #endif #ifdef MOZ_XUL #include "nsITreeSelection.h" #include "nsITreeContentView.h" #include "nsITreeView.h" #include "nsIXULTemplateBuilder.h" #include "nsTreeColumns.h" #endif #include "nsIDOMXPathExpression.h" #include "nsIDOMNSXPathExpression.h" #include "nsIDOMXPathNSResolver.h" #include "nsIDOMXPathResult.h" #include "nsIDOMMozBrowserFrame.h" #include "nsIDOMSVGLength.h" #include "nsIDOMSVGNumber.h" // Storage includes #include "DOMStorage.h" // Drag and drop #include "nsIDOMDataTransfer.h" // Geolocation #include "nsIDOMGeoPositionCoords.h" // User media #ifdef MOZ_MEDIA_NAVIGATOR #include "nsIDOMNavigatorUserMedia.h" #endif // Workers #include "mozilla/dom/workers/Workers.h" #include "nsDOMFile.h" #include "nsIDOMNavigatorDesktopNotification.h" #include "nsIDOMNavigatorDeviceStorage.h" #include "nsIDOMNavigatorGeolocation.h" #include "Navigator.h" #include "nsPluginArray.h" #include "nsMimeTypeArray.h" #include "nsIEventListenerService.h" #include "nsIMessageManager.h" #include "mozilla/dom/Element.h" #include "mozilla/dom/indexedDB/IDBWrapperCache.h" #include "mozilla/dom/indexedDB/IDBRequest.h" #include "mozilla/dom/indexedDB/IDBDatabase.h" #include "mozilla/dom/indexedDB/IDBObjectStore.h" #include "mozilla/dom/indexedDB/IDBTransaction.h" #include "mozilla/dom/indexedDB/IDBCursor.h" #include "mozilla/dom/indexedDB/IDBKeyRange.h" #include "mozilla/dom/indexedDB/IDBIndex.h" using mozilla::dom::indexedDB::IDBWrapperCache; using mozilla::dom::workers::ResolveWorkerClasses; #include "nsIDOMMediaQueryList.h" #include "mozilla/dom/Activity.h" #include "nsDOMTouchEvent.h" #include "nsWrapperCacheInlines.h" #include "mozilla/dom/HTMLCollectionBinding.h" #include "BatteryManager.h" #include "nsIDOMPowerManager.h" #include "nsIDOMWakeLock.h" #include "nsIDOMSmsManager.h" #include "nsIDOMMobileMessageManager.h" #include "nsIDOMMozSmsMessage.h" #include "nsIDOMMozMmsMessage.h" #include "nsIDOMSmsFilter.h" #include "nsIDOMSmsSegmentInfo.h" #include "nsIDOMMozMobileMessageThread.h" #include "nsIDOMConnection.h" #include "mozilla/dom/network/Utils.h" #ifdef MOZ_B2G_RIL #include "Telephony.h" #include "TelephonyCall.h" #include "nsIDOMMozVoicemail.h" #include "nsIDOMIccManager.h" #include "nsIDOMMozCellBroadcast.h" #include "nsIDOMMobileConnection.h" #endif // MOZ_B2G_RIL #ifdef MOZ_B2G_FM #include "FMRadio.h" #endif #ifdef MOZ_B2G_BT #include "BluetoothManager.h" #include "BluetoothAdapter.h" #include "BluetoothDevice.h" #endif #include "nsIDOMNavigatorSystemMessages.h" #include "DOMCameraManager.h" #include "DOMCameraControl.h" #include "DOMCameraCapabilities.h" #include "nsIOpenWindowEventDetail.h" #include "nsIAsyncScrollEventDetail.h" #include "nsIDOMGlobalObjectConstructor.h" #include "nsIDOMCanvasRenderingContext2D.h" #include "LockedFile.h" #include "nsDebug.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/Likely.h" #ifdef MOZ_TIME_MANAGER #include "TimeManager.h" #endif using namespace mozilla; using namespace mozilla::dom; static NS_DEFINE_CID(kDOMSOF_CID, NS_DOM_SCRIPT_OBJECT_FACTORY_CID); static const char kDOMStringBundleURL[] = "chrome://global/locale/dom/dom.properties"; // NOTE: DEFAULT_SCRIPTABLE_FLAGS and DOM_DEFAULT_SCRIPTABLE_FLAGS // are defined in nsIDOMClassInfo.h. #define WINDOW_SCRIPTABLE_FLAGS \ (nsIXPCScriptable::WANT_PRECREATE | \ nsIXPCScriptable::WANT_FINALIZE | \ nsIXPCScriptable::WANT_ENUMERATE | \ nsIXPCScriptable::DONT_ENUM_QUERY_INTERFACE | \ nsIXPCScriptable::IS_GLOBAL_OBJECT | \ nsIXPCScriptable::WANT_OUTER_OBJECT) #define ARRAY_SCRIPTABLE_FLAGS \ (DOM_DEFAULT_SCRIPTABLE_FLAGS | \ nsIXPCScriptable::WANT_GETPROPERTY | \ nsIXPCScriptable::WANT_ENUMERATE) #define EVENTTARGET_SCRIPTABLE_FLAGS \ (DOM_DEFAULT_SCRIPTABLE_FLAGS | \ nsIXPCScriptable::WANT_ADDPROPERTY) #define IDBEVENTTARGET_SCRIPTABLE_FLAGS \ (EVENTTARGET_SCRIPTABLE_FLAGS) #define DOMCLASSINFO_STANDARD_FLAGS \ (nsIClassInfo::MAIN_THREAD_ONLY | \ nsIClassInfo::DOM_OBJECT | \ nsIClassInfo::SINGLETON_CLASSINFO) #ifdef DEBUG #define NS_DEFINE_CLASSINFO_DATA_DEBUG(_class) \ eDOMClassInfo_##_class##_id, #else #define NS_DEFINE_CLASSINFO_DATA_DEBUG(_class) \ // nothing #endif /** * To generate the bitmap for a class that we're sure doesn't implement any of * the interfaces in DOMCI_CASTABLE_INTERFACES. */ #define DOMCI_DATA_NO_CLASS(_dom_class) \ const uint32_t kDOMClassInfo_##_dom_class##_interfaces = \ 0; #ifndef MOZ_DISABLE_CRYPTOLEGACY DOMCI_DATA_NO_CLASS(CRMFObject) #endif DOMCI_DATA_NO_CLASS(Crypto) DOMCI_DATA_NO_CLASS(ContentFrameMessageManager) DOMCI_DATA_NO_CLASS(ChromeMessageBroadcaster) DOMCI_DATA_NO_CLASS(ChromeMessageSender) DOMCI_DATA_NO_CLASS(DOMPrototype) DOMCI_DATA_NO_CLASS(DOMConstructor) #define NS_DEFINE_CLASSINFO_DATA_WITH_NAME(_class, _name, _helper, \ _flags) \ { #_name, \ nullptr, \ { _helper::doCreate }, \ nullptr, \ nullptr, \ nullptr, \ _flags, \ true, \ 0, \ false, \ false, \ NS_DEFINE_CLASSINFO_DATA_DEBUG(_class) \ }, #define NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA_WITH_NAME(_class, _name, \ _helper, _flags) \ { #_name, \ nullptr, \ { _helper::doCreate }, \ nullptr, \ nullptr, \ nullptr, \ _flags, \ true, \ 0, \ true, \ false, \ NS_DEFINE_CLASSINFO_DATA_DEBUG(_class) \ }, #define NS_DEFINE_CLASSINFO_DATA(_class, _helper, _flags) \ NS_DEFINE_CLASSINFO_DATA_WITH_NAME(_class, _class, _helper, _flags) #define NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA(_class, _helper, _flags) \ NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA_WITH_NAME(_class, _class, _helper, \ _flags) namespace { class IDBEventTargetSH : public nsEventTargetSH { protected: IDBEventTargetSH(nsDOMClassInfoData* aData) : nsEventTargetSH(aData) { } virtual ~IDBEventTargetSH() { } public: NS_IMETHOD PreCreate(nsISupports *aNativeObj, JSContext *aCx, JSObject *aGlobalObj, JSObject **aParentObj); static nsIClassInfo *doCreate(nsDOMClassInfoData *aData) { return new IDBEventTargetSH(aData); } }; } // anonymous namespace // This list of NS_DEFINE_CLASSINFO_DATA macros is what gives the DOM // classes their correct behavior when used through XPConnect. The // arguments that are passed to NS_DEFINE_CLASSINFO_DATA are // // 1. Class name as it should appear in JavaScript, this name is also // used to find the id of the class in nsDOMClassInfo // (i.e. e_id) // 2. Scriptable helper class // 3. nsIClassInfo/nsIXPCScriptable flags (i.e. for GetScriptableFlags) static nsDOMClassInfoData sClassInfoData[] = { // Base classes // The Window class lets you QI into interfaces that are not in the // flattened set (i.e. nsIXPCScriptable::CLASSINFO_INTERFACES_ONLY // is not set), because of this make sure all scriptable interfaces // that are implemented by nsGlobalWindow can securely be exposed // to JS. NS_DEFINE_CLASSINFO_DATA(Window, nsWindowSH, DEFAULT_SCRIPTABLE_FLAGS | WINDOW_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(Location, nsLocationSH, ((DOM_DEFAULT_SCRIPTABLE_FLAGS | nsIXPCScriptable::WANT_ADDPROPERTY) & ~nsIXPCScriptable::ALLOW_PROP_MODS_TO_PROTOTYPE)) NS_DEFINE_CLASSINFO_DATA(Navigator, nsNavigatorSH, DOM_DEFAULT_SCRIPTABLE_FLAGS | nsIXPCScriptable::WANT_PRECREATE | nsIXPCScriptable::WANT_NEWRESOLVE) NS_DEFINE_CLASSINFO_DATA(Plugin, nsPluginSH, ARRAY_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(PluginArray, nsPluginArraySH, ARRAY_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MimeType, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MimeTypeArray, nsMimeTypeArraySH, ARRAY_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(History, nsHistorySH, ARRAY_SCRIPTABLE_FLAGS | nsIXPCScriptable::WANT_PRECREATE) NS_DEFINE_CLASSINFO_DATA(DOMPrototype, nsDOMConstructorSH, DOM_BASE_SCRIPTABLE_FLAGS | nsIXPCScriptable::WANT_PRECREATE | nsIXPCScriptable::WANT_NEWRESOLVE | nsIXPCScriptable::WANT_HASINSTANCE | nsIXPCScriptable::DONT_ENUM_QUERY_INTERFACE) NS_DEFINE_CLASSINFO_DATA(DOMConstructor, nsDOMConstructorSH, DOM_BASE_SCRIPTABLE_FLAGS | nsIXPCScriptable::WANT_PRECREATE | nsIXPCScriptable::WANT_NEWRESOLVE | nsIXPCScriptable::WANT_HASINSTANCE | nsIXPCScriptable::WANT_CALL | nsIXPCScriptable::WANT_CONSTRUCT | nsIXPCScriptable::DONT_ENUM_QUERY_INTERFACE) // Core classes NS_DEFINE_CLASSINFO_DATA(DOMException, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) // Misc Core related classes NS_DEFINE_CLASSINFO_DATA(DeviceAcceleration, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(DeviceRotationRate, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) // CSS classes NS_DEFINE_CLASSINFO_DATA(CSSStyleRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSCharsetRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSImportRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSMediaRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSNameSpaceRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSRuleList, nsCSSRuleListSH, ARRAY_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSGroupRuleRuleList, nsCSSRuleListSH, ARRAY_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MediaList, nsMediaListSH, ARRAY_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(StyleSheetList, nsStyleSheetListSH, ARRAY_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSStyleSheet, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(Selection, nsDOMGenericSH, DEFAULT_SCRIPTABLE_FLAGS) // XUL classes #ifdef MOZ_XUL NS_DEFINE_CLASSINFO_DATA(XULCommandDispatcher, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) #endif NS_DEFINE_CLASSINFO_DATA(XULControllers, nsNonDOMObjectSH, DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(BoxObject, nsDOMGenericSH, DEFAULT_SCRIPTABLE_FLAGS) #ifdef MOZ_XUL NS_DEFINE_CLASSINFO_DATA(TreeSelection, nsDOMGenericSH, DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(TreeContentView, nsDOMGenericSH, DEFAULT_SCRIPTABLE_FLAGS) #endif // Crypto classes #ifndef MOZ_DISABLE_CRYPTOLEGACY NS_DEFINE_CLASSINFO_DATA(CRMFObject, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) #endif NS_DEFINE_CLASSINFO_DATA(Crypto, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSRect, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) // DOM Chrome Window class. NS_DEFINE_CLASSINFO_DATA(ChromeWindow, nsWindowSH, DEFAULT_SCRIPTABLE_FLAGS | WINDOW_SCRIPTABLE_FLAGS) #ifdef MOZ_XUL NS_DEFINE_CLASSINFO_DATA(XULTemplateBuilder, nsDOMGenericSH, DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(XULTreeBuilder, nsDOMGenericSH, DEFAULT_SCRIPTABLE_FLAGS) #endif NS_DEFINE_CLASSINFO_DATA(DOMStringList, nsStringListSH, ARRAY_SCRIPTABLE_FLAGS) #ifdef MOZ_XUL NS_DEFINE_CLASSINFO_DATA(TreeColumn, nsDOMGenericSH, DEFAULT_SCRIPTABLE_FLAGS) #endif NS_DEFINE_CLASSINFO_DATA(CSSMozDocumentRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSSupportsRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) // other SVG classes NS_DEFINE_CLASSINFO_DATA(SVGLength, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(SVGNumber, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozCanvasPrintState, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(WindowUtils, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(XSLTProcessor, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(XPathExpression, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(XPathNSResolver, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(XPathResult, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) // WhatWG Storage // mrbkap says we don't need WANT_ADDPROPERTY on Storage objects // since a call to addProperty() is always followed by a call to // setProperty(), except in the case when a getter or setter is set // for a property. But we don't care about getters or setters here. NS_DEFINE_CLASSINFO_DATA(Storage, nsStorage2SH, DOM_DEFAULT_SCRIPTABLE_FLAGS | nsIXPCScriptable::WANT_NEWRESOLVE | nsIXPCScriptable::WANT_GETPROPERTY | nsIXPCScriptable::WANT_SETPROPERTY | nsIXPCScriptable::WANT_DELPROPERTY | nsIXPCScriptable::DONT_ENUM_STATIC_PROPS | nsIXPCScriptable::WANT_NEWENUMERATE) NS_DEFINE_CLASSINFO_DATA(Blob, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(File, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(ModalContentWindow, nsWindowSH, DEFAULT_SCRIPTABLE_FLAGS | WINDOW_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozPowerManager, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozWakeLock, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozSmsManager, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozMobileMessageManager, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozSmsMessage, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozMmsMessage, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozSmsFilter, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozSmsSegmentInfo, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozMobileMessageThread, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozConnection, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) #ifdef MOZ_B2G_RIL NS_DEFINE_CLASSINFO_DATA(MozMobileConnection, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozCellBroadcast, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) #endif NS_DEFINE_CLASSINFO_DATA(CSSFontFaceRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) // data transfer for drag and drop NS_DEFINE_CLASSINFO_DATA(DataTransfer, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(EventListenerInfo, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA(ContentFrameMessageManager, nsEventTargetSH, DOM_DEFAULT_SCRIPTABLE_FLAGS | nsIXPCScriptable::IS_GLOBAL_OBJECT) NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA(ChromeMessageBroadcaster, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CHROME_ONLY_CLASSINFO_DATA(ChromeMessageSender, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(IDBRequest, IDBEventTargetSH, IDBEVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(IDBDatabase, IDBEventTargetSH, IDBEVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(IDBObjectStore, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(IDBTransaction, IDBEventTargetSH, IDBEVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(IDBCursor, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(IDBCursorWithValue, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(IDBKeyRange, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(IDBIndex, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(IDBOpenDBRequest, IDBEventTargetSH, IDBEVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(TouchList, nsDOMTouchListSH, ARRAY_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozCSSKeyframeRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozCSSKeyframesRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSPageRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MediaQueryList, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) #ifdef MOZ_B2G_RIL NS_DEFINE_CLASSINFO_DATA(Telephony, nsEventTargetSH, EVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(TelephonyCall, nsEventTargetSH, EVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozVoicemail, nsEventTargetSH, EVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(MozIccManager, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) #endif #ifdef MOZ_B2G_FM NS_DEFINE_CLASSINFO_DATA(FMRadio, nsEventTargetSH, EVENTTARGET_SCRIPTABLE_FLAGS) #endif #ifdef MOZ_B2G_BT NS_DEFINE_CLASSINFO_DATA(BluetoothManager, nsEventTargetSH, EVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(BluetoothAdapter, nsEventTargetSH, EVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(BluetoothDevice, nsEventTargetSH, EVENTTARGET_SCRIPTABLE_FLAGS) #endif NS_DEFINE_CLASSINFO_DATA(CameraControl, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CameraCapabilities, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(OpenWindowEventDetail, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(AsyncScrollEventDetail, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(LockedFile, nsEventTargetSH, EVENTTARGET_SCRIPTABLE_FLAGS) NS_DEFINE_CLASSINFO_DATA(CSSFontFeatureValuesRule, nsDOMGenericSH, DOM_DEFAULT_SCRIPTABLE_FLAGS) }; #define NS_DEFINE_CONTRACT_CTOR(_class, _contract_id) \ static nsresult \ _class##Ctor(nsISupports** aInstancePtrResult) \ { \ nsresult rv = NS_OK; \ nsCOMPtr native = do_CreateInstance(_contract_id, &rv); \ native.forget(aInstancePtrResult); \ return rv; \ } NS_DEFINE_CONTRACT_CTOR(XSLTProcessor, "@mozilla.org/document-transformer;1?type=xslt") #undef NS_DEFINE_CONTRACT_CTOR struct nsConstructorFuncMapData { int32_t mDOMClassInfoID; nsDOMConstructorFunc mConstructorFunc; }; #define NS_DEFINE_CONSTRUCTOR_FUNC_DATA(_class, _func) \ { eDOMClassInfo_##_class##_id, _func }, static const nsConstructorFuncMapData kConstructorFuncMap[] = { NS_DEFINE_CONSTRUCTOR_FUNC_DATA(Blob, nsDOMMultipartFile::NewBlob) NS_DEFINE_CONSTRUCTOR_FUNC_DATA(File, nsDOMMultipartFile::NewFile) NS_DEFINE_CONSTRUCTOR_FUNC_DATA(MozSmsFilter, SmsFilter::NewSmsFilter) NS_DEFINE_CONSTRUCTOR_FUNC_DATA(XSLTProcessor, XSLTProcessorCtor) }; #undef NS_DEFINE_CONSTRUCTOR_FUNC_DATA nsIXPConnect *nsDOMClassInfo::sXPConnect = nullptr; nsIScriptSecurityManager *nsDOMClassInfo::sSecMan = nullptr; bool nsDOMClassInfo::sIsInitialized = false; jsid nsDOMClassInfo::sParent_id = JSID_VOID; jsid nsDOMClassInfo::sScrollbars_id = JSID_VOID; jsid nsDOMClassInfo::sLocation_id = JSID_VOID; jsid nsDOMClassInfo::sConstructor_id = JSID_VOID; jsid nsDOMClassInfo::s_content_id = JSID_VOID; jsid nsDOMClassInfo::sContent_id = JSID_VOID; jsid nsDOMClassInfo::sMenubar_id = JSID_VOID; jsid nsDOMClassInfo::sToolbar_id = JSID_VOID; jsid nsDOMClassInfo::sLocationbar_id = JSID_VOID; jsid nsDOMClassInfo::sPersonalbar_id = JSID_VOID; jsid nsDOMClassInfo::sStatusbar_id = JSID_VOID; jsid nsDOMClassInfo::sControllers_id = JSID_VOID; jsid nsDOMClassInfo::sLength_id = JSID_VOID; jsid nsDOMClassInfo::sScrollX_id = JSID_VOID; jsid nsDOMClassInfo::sScrollY_id = JSID_VOID; jsid nsDOMClassInfo::sScrollMaxX_id = JSID_VOID; jsid nsDOMClassInfo::sScrollMaxY_id = JSID_VOID; jsid nsDOMClassInfo::sItem_id = JSID_VOID; jsid nsDOMClassInfo::sNamedItem_id = JSID_VOID; jsid nsDOMClassInfo::sEnumerate_id = JSID_VOID; jsid nsDOMClassInfo::sNavigator_id = JSID_VOID; jsid nsDOMClassInfo::sTop_id = JSID_VOID; jsid nsDOMClassInfo::sDocument_id = JSID_VOID; jsid nsDOMClassInfo::sFrames_id = JSID_VOID; jsid nsDOMClassInfo::sSelf_id = JSID_VOID; jsid nsDOMClassInfo::sWrappedJSObject_id = JSID_VOID; jsid nsDOMClassInfo::sURL_id = JSID_VOID; jsid nsDOMClassInfo::sOnload_id = JSID_VOID; jsid nsDOMClassInfo::sOnerror_id = JSID_VOID; static const JSClass *sObjectClass = nullptr; /** * Set our JSClass pointer for the Object class */ static void FindObjectClass(JSContext* cx, JSObject* aGlobalObject) { NS_ASSERTION(!sObjectClass, "Double set of sObjectClass"); JS::Rooted obj(cx), proto(cx, aGlobalObject); do { obj = proto; js::GetObjectProto(cx, obj, &proto); } while (proto); sObjectClass = js::GetObjectJSClass(obj); } static inline JSString * IdToString(JSContext *cx, jsid id) { if (JSID_IS_STRING(id)) return JSID_TO_STRING(id); jsval idval; if (!::JS_IdToValue(cx, id, &idval)) return nullptr; return JS_ValueToString(cx, idval); } static inline nsresult WrapNative(JSContext *cx, JSObject *scope, nsISupports *native, nsWrapperCache *cache, const nsIID* aIID, jsval *vp, nsIXPConnectJSObjectHolder** aHolder, bool aAllowWrapping) { if (!native) { NS_ASSERTION(!aHolder || !*aHolder, "*aHolder should be null!"); *vp = JSVAL_NULL; return NS_OK; } JSObject *wrapper = xpc_FastGetCachedWrapper(cache, scope, vp); if (wrapper) { return NS_OK; } return nsDOMClassInfo::XPConnect()->WrapNativeToJSVal(cx, scope, native, cache, aIID, aAllowWrapping, vp, aHolder); } static inline nsresult WrapNative(JSContext *cx, JSObject *scope, nsISupports *native, const nsIID* aIID, bool aAllowWrapping, jsval *vp, // If non-null aHolder will keep the jsval alive // while there's a ref to it nsIXPConnectJSObjectHolder** aHolder = nullptr) { return WrapNative(cx, scope, native, nullptr, aIID, vp, aHolder, aAllowWrapping); } // Same as the WrapNative above, but use these if aIID is nsISupports' IID. static inline nsresult WrapNative(JSContext *cx, JSObject *scope, nsISupports *native, bool aAllowWrapping, jsval *vp, // If non-null aHolder will keep the jsval alive // while there's a ref to it nsIXPConnectJSObjectHolder** aHolder = nullptr) { return WrapNative(cx, scope, native, nullptr, nullptr, vp, aHolder, aAllowWrapping); } static inline nsresult WrapNative(JSContext *cx, JSObject *scope, nsISupports *native, nsWrapperCache *cache, bool aAllowWrapping, jsval *vp, // If non-null aHolder will keep the jsval alive // while there's a ref to it nsIXPConnectJSObjectHolder** aHolder = nullptr) { return WrapNative(cx, scope, native, cache, nullptr, vp, aHolder, aAllowWrapping); } // Used for cases where PreCreate needs to wrap the native parent, and the // native parent is likely to have been wrapped already. |native| must // implement nsWrapperCache, and nativeWrapperCache must be |native|'s // nsWrapperCache. static inline nsresult WrapNativeParent(JSContext *cx, JS::Handle scope, nsISupports *native, nsWrapperCache *nativeWrapperCache, JSObject **parentObj) { // In the common case, |native| is a wrapper cache with an existing wrapper #ifdef DEBUG nsWrapperCache* cache = nullptr; CallQueryInterface(native, &cache); NS_PRECONDITION(nativeWrapperCache && cache == nativeWrapperCache, "What happened here?"); #endif JS::Rooted obj(cx, nativeWrapperCache->GetWrapper()); if (obj) { #ifdef DEBUG JS::Rooted debugVal(cx); nsresult rv = WrapNative(cx, scope, native, nativeWrapperCache, false, debugVal.address()); NS_ASSERTION(NS_SUCCEEDED(rv) && JSVAL_TO_OBJECT(debugVal) == obj, "Unexpected object in nsWrapperCache"); #endif *parentObj = obj; return NS_OK; } JS::Rooted v(cx); nsresult rv = WrapNative(cx, scope, native, nativeWrapperCache, false, v.address()); NS_ENSURE_SUCCESS(rv, rv); *parentObj = v.toObjectOrNull(); return NS_OK; } template static inline nsresult WrapNativeParent(JSContext *cx, JS::Handle scope, P *parent, JSObject **parentObj) { return WrapNativeParent(cx, scope, ToSupports(parent), parent, parentObj); } // Helper to handle torn-down inner windows. static inline nsresult SetParentToWindow(nsGlobalWindow *win, JSObject **parent) { MOZ_ASSERT(win); MOZ_ASSERT(win->IsInnerWindow()); *parent = win->FastGetGlobalJSObject(); if (MOZ_UNLIKELY(!*parent)) { // The inner window has been torn down. The scope is dying, so don't create // any new wrappers. return NS_ERROR_FAILURE; } return NS_OK; } // static nsISupports * nsDOMClassInfo::GetNative(nsIXPConnectWrappedNative *wrapper, JSObject *obj) { return wrapper ? wrapper->Native() : static_cast(js::GetObjectPrivate(obj)); } nsresult nsDOMClassInfo::DefineStaticJSVals(JSContext *cx) { #define SET_JSID_TO_STRING(_id, _cx, _str) \ if (JSString *str = ::JS_InternString(_cx, _str)) \ _id = INTERNED_STRING_TO_JSID(_cx, str); \ else \ return NS_ERROR_OUT_OF_MEMORY; SET_JSID_TO_STRING(sParent_id, cx, "parent"); SET_JSID_TO_STRING(sScrollbars_id, cx, "scrollbars"); SET_JSID_TO_STRING(sLocation_id, cx, "location"); SET_JSID_TO_STRING(sConstructor_id, cx, "constructor"); SET_JSID_TO_STRING(s_content_id, cx, "_content"); SET_JSID_TO_STRING(sContent_id, cx, "content"); SET_JSID_TO_STRING(sMenubar_id, cx, "menubar"); SET_JSID_TO_STRING(sToolbar_id, cx, "toolbar"); SET_JSID_TO_STRING(sLocationbar_id, cx, "locationbar"); SET_JSID_TO_STRING(sPersonalbar_id, cx, "personalbar"); SET_JSID_TO_STRING(sStatusbar_id, cx, "statusbar"); SET_JSID_TO_STRING(sControllers_id, cx, "controllers"); SET_JSID_TO_STRING(sLength_id, cx, "length"); SET_JSID_TO_STRING(sScrollX_id, cx, "scrollX"); SET_JSID_TO_STRING(sScrollY_id, cx, "scrollY"); SET_JSID_TO_STRING(sScrollMaxX_id, cx, "scrollMaxX"); SET_JSID_TO_STRING(sScrollMaxY_id, cx, "scrollMaxY"); SET_JSID_TO_STRING(sItem_id, cx, "item"); SET_JSID_TO_STRING(sNamedItem_id, cx, "namedItem"); SET_JSID_TO_STRING(sEnumerate_id, cx, "enumerateProperties"); SET_JSID_TO_STRING(sNavigator_id, cx, "navigator"); SET_JSID_TO_STRING(sTop_id, cx, "top"); SET_JSID_TO_STRING(sDocument_id, cx, "document"); SET_JSID_TO_STRING(sFrames_id, cx, "frames"); SET_JSID_TO_STRING(sSelf_id, cx, "self"); SET_JSID_TO_STRING(sWrappedJSObject_id, cx, "wrappedJSObject"); SET_JSID_TO_STRING(sURL_id, cx, "URL"); SET_JSID_TO_STRING(sOnload_id, cx, "onload"); SET_JSID_TO_STRING(sOnerror_id, cx, "onerror"); return NS_OK; } // static bool nsDOMClassInfo::ObjectIsNativeWrapper(JSContext* cx, JSObject* obj) { return xpc::WrapperFactory::IsXrayWrapper(obj) && xpc::AccessCheck::wrapperSubsumes(obj); } nsDOMClassInfo::nsDOMClassInfo(nsDOMClassInfoData* aData) : mData(aData) { } nsDOMClassInfo::~nsDOMClassInfo() { if (IS_EXTERNAL(mData->mCachedClassInfo)) { // Some compilers don't like delete'ing a const nsDOMClassInfo* nsDOMClassInfoData* data = const_cast(mData); delete static_cast(data); } } NS_IMPL_ADDREF(nsDOMClassInfo) NS_IMPL_RELEASE(nsDOMClassInfo) NS_INTERFACE_MAP_BEGIN(nsDOMClassInfo) if (aIID.Equals(NS_GET_IID(nsXPCClassInfo))) foundInterface = static_cast( static_cast(this)); else NS_INTERFACE_MAP_ENTRY(nsIXPCScriptable) NS_INTERFACE_MAP_ENTRY(nsIClassInfo) NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIClassInfo) NS_INTERFACE_MAP_END static JSClass sDOMConstructorProtoClass = { "DOM Constructor.prototype", 0, JS_PropertyStub, JS_DeletePropertyStub, JS_PropertyStub, JS_StrictPropertyStub, JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, nullptr }; static const char * CutPrefix(const char *aName) { static const char prefix_nsIDOM[] = "nsIDOM"; static const char prefix_nsI[] = "nsI"; if (strncmp(aName, prefix_nsIDOM, sizeof(prefix_nsIDOM) - 1) == 0) { return aName + sizeof(prefix_nsIDOM) - 1; } if (strncmp(aName, prefix_nsI, sizeof(prefix_nsI) - 1) == 0) { return aName + sizeof(prefix_nsI) - 1; } return aName; } // static nsresult nsDOMClassInfo::RegisterClassProtos(int32_t aClassInfoID) { nsScriptNameSpaceManager *nameSpaceManager = nsJSRuntime::GetNameSpaceManager(); NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED); bool found_old; const nsIID *primary_iid = sClassInfoData[aClassInfoID].mProtoChainInterface; if (!primary_iid || primary_iid == &NS_GET_IID(nsISupports)) { return NS_OK; } nsCOMPtr iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); NS_ENSURE_TRUE(iim, NS_ERROR_NOT_AVAILABLE); nsCOMPtr if_info; bool first = true; iim->GetInfoForIID(primary_iid, getter_AddRefs(if_info)); while (if_info) { const nsIID *iid = nullptr; if_info->GetIIDShared(&iid); NS_ENSURE_TRUE(iid, NS_ERROR_UNEXPECTED); if (iid->Equals(NS_GET_IID(nsISupports))) { break; } const char *name = nullptr; if_info->GetNameShared(&name); NS_ENSURE_TRUE(name, NS_ERROR_UNEXPECTED); nameSpaceManager->RegisterClassProto(CutPrefix(name), iid, &found_old); if (first) { first = false; } else if (found_old) { break; } nsCOMPtr tmp(if_info); tmp->GetParent(getter_AddRefs(if_info)); } return NS_OK; } // static nsresult nsDOMClassInfo::RegisterExternalClasses() { nsScriptNameSpaceManager *nameSpaceManager = nsJSRuntime::GetNameSpaceManager(); NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED); nsCOMPtr registrar; nsresult rv = NS_GetComponentRegistrar(getter_AddRefs(registrar)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr cm = do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr e; rv = cm->EnumerateCategory(JAVASCRIPT_DOM_CLASS, getter_AddRefs(e)); NS_ENSURE_SUCCESS(rv, rv); nsXPIDLCString contractId; nsAutoCString categoryEntry; nsCOMPtr entry; while (NS_SUCCEEDED(e->GetNext(getter_AddRefs(entry)))) { nsCOMPtr category(do_QueryInterface(entry)); if (!category) { NS_WARNING("Category entry not an nsISupportsCString!"); continue; } rv = category->GetData(categoryEntry); cm->GetCategoryEntry(JAVASCRIPT_DOM_CLASS, categoryEntry.get(), getter_Copies(contractId)); NS_ENSURE_SUCCESS(rv, rv); nsCID *cid; rv = registrar->ContractIDToCID(contractId, &cid); if (NS_FAILED(rv)) { NS_WARNING("Bad contract id registered with the script namespace manager"); continue; } rv = nameSpaceManager->RegisterExternalClassName(categoryEntry.get(), *cid); nsMemory::Free(cid); NS_ENSURE_SUCCESS(rv, rv); } return nameSpaceManager->RegisterExternalInterfaces(true); } #define _DOM_CLASSINFO_MAP_BEGIN(_class, _ifptr, _has_class_if, _disabled) \ { \ nsDOMClassInfoData &d = sClassInfoData[eDOMClassInfo_##_class##_id]; \ d.mProtoChainInterface = _ifptr; \ d.mHasClassInterface = _has_class_if; \ d.mInterfacesBitmap = kDOMClassInfo_##_class##_interfaces; \ d.mDisabled = _disabled; \ static const nsIID *interface_list[] = { #define DOM_CLASSINFO_MAP_BEGIN(_class, _interface) \ _DOM_CLASSINFO_MAP_BEGIN(_class, &NS_GET_IID(_interface), true, false) #define DOM_CLASSINFO_MAP_BEGIN_MAYBE_DISABLE(_class, _interface, _disable) \ _DOM_CLASSINFO_MAP_BEGIN(_class, &NS_GET_IID(_interface), true, _disable) #define DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(_class, _interface) \ _DOM_CLASSINFO_MAP_BEGIN(_class, &NS_GET_IID(_interface), false, false) #define DOM_CLASSINFO_MAP_ENTRY(_if) \ &NS_GET_IID(_if), #define DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(_if, _cond) \ (_cond) ? &NS_GET_IID(_if) : nullptr, #define DOM_CLASSINFO_MAP_END \ nullptr \ }; \ \ /* Compact the interface list */ \ size_t count = ArrayLength(interface_list); \ /* count is the number of array entries, which is one greater than the */ \ /* number of interfaces due to the terminating null */ \ for (size_t i = 0; i < count - 1; ++i) { \ if (!interface_list[i]) { \ /* We are moving the element at index i+1 and successors, */ \ /* so we must move only count - (i+1) elements total. */ \ memmove(&interface_list[i], &interface_list[i+1], \ sizeof(nsIID*) * (count - (i+1))); \ /* Make sure to examine the new pointer we ended up with at this */ \ /* slot, since it may be null too */ \ --i; \ --count; \ } \ } \ \ d.mInterfaces = interface_list; \ } #ifdef MOZ_B2G #define DOM_CLASSINFO_WINDOW_MAP_ENTRIES(_support_indexed_db) \ DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindow) \ DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindowB2G) \ DOM_CLASSINFO_MAP_ENTRY(nsIDOMJSWindow) \ DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) \ DOM_CLASSINFO_MAP_ENTRY(nsIInlineEventHandlers) \ DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindowPerformance) \ DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsIDOMStorageIndexedDB, \ _support_indexed_db) \ DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsITouchEventReceiver, \ nsDOMTouchEvent::PrefEnabled()) #else // !MOZ_B2G #define DOM_CLASSINFO_WINDOW_MAP_ENTRIES(_support_indexed_db) \ DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindow) \ DOM_CLASSINFO_MAP_ENTRY(nsIDOMJSWindow) \ DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) \ DOM_CLASSINFO_MAP_ENTRY(nsIInlineEventHandlers) \ DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindowPerformance) \ DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsIDOMStorageIndexedDB, \ _support_indexed_db) \ DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsITouchEventReceiver, \ nsDOMTouchEvent::PrefEnabled()) #endif // MOZ_B2G nsresult nsDOMClassInfo::Init() { /* Errors that can trigger early returns are done first, otherwise nsDOMClassInfo is left in a half inited state. */ MOZ_STATIC_ASSERT(sizeof(uintptr_t) == sizeof(void*), "BAD! You'll need to adjust the size of uintptr_t to the " "size of a pointer on your platform."); NS_ENSURE_TRUE(!sIsInitialized, NS_ERROR_ALREADY_INITIALIZED); nsScriptNameSpaceManager *nameSpaceManager = nsJSRuntime::GetNameSpaceManager(); NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED); nsresult rv = CallGetService(nsIXPConnect::GetCID(), &sXPConnect); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr elt = new nsEventListenerThisTranslator(); sXPConnect->SetFunctionThisTranslator(NS_GET_IID(nsIDOMEventListener), elt); nsCOMPtr sm = do_GetService("@mozilla.org/scriptsecuritymanager;1", &rv); NS_ENSURE_SUCCESS(rv, rv); sSecMan = sm; NS_ADDREF(sSecMan); AutoSafeJSContext cx; DOM_CLASSINFO_MAP_BEGIN(Window, nsIDOMWindow) DOM_CLASSINFO_WINDOW_MAP_ENTRIES(nsGlobalWindow::HasIndexedDBSupport()) #ifdef MOZ_WEBSPEECH DOM_CLASSINFO_MAP_ENTRY(nsISpeechSynthesisGetter) #endif DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(WindowUtils, nsIDOMWindowUtils) DOM_CLASSINFO_MAP_ENTRY(nsIDOMWindowUtils) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(Location, nsIDOMLocation) DOM_CLASSINFO_MAP_ENTRY(nsIDOMLocation) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(Navigator, nsIDOMNavigator) DOM_CLASSINFO_MAP_ENTRY(nsIDOMNavigator) DOM_CLASSINFO_MAP_ENTRY(nsIDOMNavigatorDeviceStorage) DOM_CLASSINFO_MAP_ENTRY(nsIDOMNavigatorGeolocation) DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsIDOMNavigatorDesktopNotification, Navigator::HasDesktopNotificationSupport()) DOM_CLASSINFO_MAP_ENTRY(nsIDOMClientInformation) DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsINavigatorBattery, battery::BatteryManager::HasSupport()) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozNavigatorSms) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozNavigatorMobileMessage) #ifdef MOZ_MEDIA_NAVIGATOR DOM_CLASSINFO_MAP_ENTRY(nsINavigatorUserMedia) DOM_CLASSINFO_MAP_ENTRY(nsIDOMNavigatorUserMedia) #endif #ifdef MOZ_B2G_RIL DOM_CLASSINFO_MAP_ENTRY(nsIDOMNavigatorTelephony) #endif #ifdef MOZ_GAMEPAD DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsINavigatorGamepads, GamepadService::IsAPIEnabled()) #endif DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsIDOMMozNavigatorNetwork, network::IsAPIEnabled()) #ifdef MOZ_B2G_RIL DOM_CLASSINFO_MAP_ENTRY(nsIMozNavigatorMobileConnection) DOM_CLASSINFO_MAP_ENTRY(nsIMozNavigatorCellBroadcast) DOM_CLASSINFO_MAP_ENTRY(nsIMozNavigatorVoicemail) DOM_CLASSINFO_MAP_ENTRY(nsIMozNavigatorIccManager) #endif #ifdef MOZ_B2G_BT DOM_CLASSINFO_MAP_ENTRY(nsIDOMNavigatorBluetooth) #endif DOM_CLASSINFO_MAP_ENTRY(nsIDOMNavigatorCamera) DOM_CLASSINFO_MAP_CONDITIONAL_ENTRY(nsIDOMNavigatorSystemMessages, Activity::PrefEnabled()) #ifdef MOZ_TIME_MANAGER DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozNavigatorTime) #endif #ifdef MOZ_AUDIO_CHANNEL_MANAGER DOM_CLASSINFO_MAP_ENTRY(nsIMozNavigatorAudioChannelManager) #endif DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(Plugin, nsIDOMPlugin) DOM_CLASSINFO_MAP_ENTRY(nsIDOMPlugin) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(PluginArray, nsIDOMPluginArray) DOM_CLASSINFO_MAP_ENTRY(nsIDOMPluginArray) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MimeType, nsIDOMMimeType) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMimeType) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MimeTypeArray, nsIDOMMimeTypeArray) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMimeTypeArray) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(History, nsIDOMHistory) DOM_CLASSINFO_MAP_ENTRY(nsIDOMHistory) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(DOMPrototype, nsIDOMDOMConstructor) DOM_CLASSINFO_MAP_ENTRY(nsIDOMDOMConstructor) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(DOMConstructor, nsIDOMDOMConstructor) DOM_CLASSINFO_MAP_ENTRY(nsIDOMDOMConstructor) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(DOMException, nsIDOMDOMException) DOM_CLASSINFO_MAP_ENTRY(nsIDOMDOMException) DOM_CLASSINFO_MAP_ENTRY(nsIException) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(DeviceAcceleration, nsIDOMDeviceAcceleration) DOM_CLASSINFO_MAP_ENTRY(nsIDOMDeviceAcceleration) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(DeviceRotationRate, nsIDOMDeviceRotationRate) DOM_CLASSINFO_MAP_ENTRY(nsIDOMDeviceRotationRate) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CSSStyleRule, nsIDOMCSSStyleRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSStyleRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CSSCharsetRule, nsIDOMCSSCharsetRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSCharsetRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CSSImportRule, nsIDOMCSSImportRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSImportRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CSSMediaRule, nsIDOMCSSMediaRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSMediaRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(CSSNameSpaceRule, nsIDOMCSSRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CSSRuleList, nsIDOMCSSRuleList) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSRuleList) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(CSSGroupRuleRuleList, nsIDOMCSSRuleList) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSRuleList) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MediaList, nsIDOMMediaList) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMediaList) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(StyleSheetList, nsIDOMStyleSheetList) DOM_CLASSINFO_MAP_ENTRY(nsIDOMStyleSheetList) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CSSStyleSheet, nsIDOMCSSStyleSheet) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSStyleSheet) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(CSSRect, nsIDOMRect) DOM_CLASSINFO_MAP_ENTRY(nsIDOMRect) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(Selection, nsISelection) DOM_CLASSINFO_MAP_ENTRY(nsISelection) DOM_CLASSINFO_MAP_END #ifdef MOZ_XUL DOM_CLASSINFO_MAP_BEGIN(XULCommandDispatcher, nsIDOMXULCommandDispatcher) DOM_CLASSINFO_MAP_ENTRY(nsIDOMXULCommandDispatcher) DOM_CLASSINFO_MAP_END #endif DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(XULControllers, nsIControllers) DOM_CLASSINFO_MAP_ENTRY(nsIControllers) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(BoxObject, nsIBoxObject) DOM_CLASSINFO_MAP_ENTRY(nsIBoxObject) DOM_CLASSINFO_MAP_END #ifdef MOZ_XUL DOM_CLASSINFO_MAP_BEGIN(TreeSelection, nsITreeSelection) DOM_CLASSINFO_MAP_ENTRY(nsITreeSelection) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(TreeContentView, nsITreeContentView) DOM_CLASSINFO_MAP_ENTRY(nsITreeContentView) DOM_CLASSINFO_MAP_ENTRY(nsITreeView) DOM_CLASSINFO_MAP_END #endif #ifndef MOZ_DISABLE_CRYPTOLEGACY DOM_CLASSINFO_MAP_BEGIN(CRMFObject, nsIDOMCRMFObject) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCRMFObject) DOM_CLASSINFO_MAP_END #endif DOM_CLASSINFO_MAP_BEGIN(Crypto, nsIDOMCrypto) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCrypto) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ChromeWindow, nsIDOMWindow) DOM_CLASSINFO_WINDOW_MAP_ENTRIES(true) DOM_CLASSINFO_MAP_ENTRY(nsIDOMChromeWindow) #ifdef MOZ_WEBSPEECH DOM_CLASSINFO_MAP_ENTRY(nsISpeechSynthesisGetter) #endif DOM_CLASSINFO_MAP_END #ifdef MOZ_XUL DOM_CLASSINFO_MAP_BEGIN(XULTemplateBuilder, nsIXULTemplateBuilder) DOM_CLASSINFO_MAP_ENTRY(nsIXULTemplateBuilder) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(XULTreeBuilder, nsIXULTreeBuilder) DOM_CLASSINFO_MAP_ENTRY(nsIXULTreeBuilder) DOM_CLASSINFO_MAP_ENTRY(nsIXULTemplateBuilder) DOM_CLASSINFO_MAP_ENTRY(nsITreeView) DOM_CLASSINFO_MAP_END #endif DOM_CLASSINFO_MAP_BEGIN(DOMStringList, nsIDOMDOMStringList) DOM_CLASSINFO_MAP_ENTRY(nsIDOMDOMStringList) DOM_CLASSINFO_MAP_END #ifdef MOZ_XUL DOM_CLASSINFO_MAP_BEGIN(TreeColumn, nsITreeColumn) DOM_CLASSINFO_MAP_ENTRY(nsITreeColumn) DOM_CLASSINFO_MAP_END #endif DOM_CLASSINFO_MAP_BEGIN(CSSMozDocumentRule, nsIDOMCSSMozDocumentRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSMozDocumentRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CSSSupportsRule, nsIDOMCSSSupportsRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSSupportsRule) DOM_CLASSINFO_MAP_END // The SVG document // other SVG classes DOM_CLASSINFO_MAP_BEGIN(SVGLength, nsIDOMSVGLength) DOM_CLASSINFO_MAP_ENTRY(nsIDOMSVGLength) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(SVGNumber, nsIDOMSVGNumber) DOM_CLASSINFO_MAP_ENTRY(nsIDOMSVGNumber) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozCanvasPrintState, nsIDOMMozCanvasPrintState) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozCanvasPrintState) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(XSLTProcessor, nsIXSLTProcessor) DOM_CLASSINFO_MAP_ENTRY(nsIXSLTProcessor) DOM_CLASSINFO_MAP_ENTRY(nsIXSLTProcessorPrivate) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(XPathExpression, nsIDOMXPathExpression) DOM_CLASSINFO_MAP_ENTRY(nsIDOMXPathExpression) DOM_CLASSINFO_MAP_ENTRY(nsIDOMNSXPathExpression) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(XPathNSResolver, nsIDOMXPathNSResolver) DOM_CLASSINFO_MAP_ENTRY(nsIDOMXPathNSResolver) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(XPathResult, nsIDOMXPathResult) DOM_CLASSINFO_MAP_ENTRY(nsIDOMXPathResult) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(Storage, nsIDOMStorage) DOM_CLASSINFO_MAP_ENTRY(nsIDOMStorage) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(Blob, nsIDOMBlob) DOM_CLASSINFO_MAP_ENTRY(nsIDOMBlob) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(File, nsIDOMFile) DOM_CLASSINFO_MAP_ENTRY(nsIDOMBlob) DOM_CLASSINFO_MAP_ENTRY(nsIDOMFile) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ModalContentWindow, nsIDOMWindow) DOM_CLASSINFO_WINDOW_MAP_ENTRIES(nsGlobalWindow::HasIndexedDBSupport()) DOM_CLASSINFO_MAP_ENTRY(nsIDOMModalContentWindow) #ifdef MOZ_WEBSPEECH DOM_CLASSINFO_MAP_ENTRY(nsISpeechSynthesisGetter) #endif DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozPowerManager, nsIDOMMozPowerManager) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozPowerManager) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozWakeLock, nsIDOMMozWakeLock) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozWakeLock) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozSmsManager, nsIDOMMozSmsManager) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozSmsManager) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozMobileMessageManager, nsIDOMMozMobileMessageManager) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozMobileMessageManager) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozSmsMessage, nsIDOMMozSmsMessage) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozSmsMessage) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozMmsMessage, nsIDOMMozMmsMessage) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozMmsMessage) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozSmsFilter, nsIDOMMozSmsFilter) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozSmsFilter) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozSmsSegmentInfo, nsIDOMMozSmsSegmentInfo) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozSmsSegmentInfo) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozMobileMessageThread, nsIDOMMozMobileMessageThread) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozMobileMessageThread) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozConnection, nsIDOMMozConnection) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozConnection) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END #ifdef MOZ_B2G_RIL DOM_CLASSINFO_MAP_BEGIN(MozMobileConnection, nsIDOMMozMobileConnection) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozMobileConnection) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozCellBroadcast, nsIDOMMozCellBroadcast) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozCellBroadcast) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END #endif // MOZ_B2G_RIL DOM_CLASSINFO_MAP_BEGIN(CSSFontFaceRule, nsIDOMCSSFontFaceRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSFontFaceRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(DataTransfer, nsIDOMDataTransfer) DOM_CLASSINFO_MAP_ENTRY(nsIDOMDataTransfer) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(EventListenerInfo, nsIEventListenerInfo) DOM_CLASSINFO_MAP_ENTRY(nsIEventListenerInfo) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ContentFrameMessageManager, nsISupports) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_ENTRY(nsIMessageListenerManager) DOM_CLASSINFO_MAP_ENTRY(nsIMessageSender) DOM_CLASSINFO_MAP_ENTRY(nsISyncMessageSender) DOM_CLASSINFO_MAP_ENTRY(nsIContentFrameMessageManager) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ChromeMessageBroadcaster, nsISupports) DOM_CLASSINFO_MAP_ENTRY(nsIFrameScriptLoader) DOM_CLASSINFO_MAP_ENTRY(nsIMessageListenerManager) DOM_CLASSINFO_MAP_ENTRY(nsIMessageBroadcaster) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_NO_CLASS_IF(ChromeMessageSender, nsISupports) DOM_CLASSINFO_MAP_ENTRY(nsIProcessChecker) DOM_CLASSINFO_MAP_ENTRY(nsIFrameScriptLoader) DOM_CLASSINFO_MAP_ENTRY(nsIMessageListenerManager) DOM_CLASSINFO_MAP_ENTRY(nsIMessageSender) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(IDBRequest, nsIIDBRequest) DOM_CLASSINFO_MAP_ENTRY(nsIIDBRequest) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(IDBDatabase, nsIIDBDatabase) DOM_CLASSINFO_MAP_ENTRY(nsIIDBDatabase) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(IDBObjectStore, nsIIDBObjectStore) DOM_CLASSINFO_MAP_ENTRY(nsIIDBObjectStore) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(IDBTransaction, nsIIDBTransaction) DOM_CLASSINFO_MAP_ENTRY(nsIIDBTransaction) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(IDBCursor, nsIIDBCursor) DOM_CLASSINFO_MAP_ENTRY(nsIIDBCursor) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(IDBCursorWithValue, nsIIDBCursorWithValue) DOM_CLASSINFO_MAP_ENTRY(nsIIDBCursor) DOM_CLASSINFO_MAP_ENTRY(nsIIDBCursorWithValue) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(IDBKeyRange, nsIIDBKeyRange) DOM_CLASSINFO_MAP_ENTRY(nsIIDBKeyRange) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(IDBIndex, nsIIDBIndex) DOM_CLASSINFO_MAP_ENTRY(nsIIDBIndex) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(IDBOpenDBRequest, nsIIDBOpenDBRequest) DOM_CLASSINFO_MAP_ENTRY(nsIIDBOpenDBRequest) DOM_CLASSINFO_MAP_ENTRY(nsIIDBRequest) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN_MAYBE_DISABLE(TouchList, nsIDOMTouchList, !nsDOMTouchEvent::PrefEnabled()) DOM_CLASSINFO_MAP_ENTRY(nsIDOMTouchList) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozCSSKeyframeRule, nsIDOMMozCSSKeyframeRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozCSSKeyframeRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozCSSKeyframesRule, nsIDOMMozCSSKeyframesRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozCSSKeyframesRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CSSPageRule, nsIDOMCSSPageRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSPageRule) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MediaQueryList, nsIDOMMediaQueryList) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMediaQueryList) DOM_CLASSINFO_MAP_END #ifdef MOZ_B2G_RIL DOM_CLASSINFO_MAP_BEGIN(Telephony, nsIDOMTelephony) DOM_CLASSINFO_MAP_ENTRY(nsIDOMTelephony) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(TelephonyCall, nsIDOMTelephonyCall) DOM_CLASSINFO_MAP_ENTRY(nsIDOMTelephonyCall) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozVoicemail, nsIDOMMozVoicemail) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozVoicemail) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(MozIccManager, nsIDOMMozIccManager) DOM_CLASSINFO_MAP_ENTRY(nsIDOMMozIccManager) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END #endif #ifdef MOZ_B2G_FM DOM_CLASSINFO_MAP_BEGIN(FMRadio, nsIFMRadio) DOM_CLASSINFO_MAP_ENTRY(nsIFMRadio) DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget) DOM_CLASSINFO_MAP_END #endif #ifdef MOZ_B2G_BT DOM_CLASSINFO_MAP_BEGIN(BluetoothManager, nsIDOMBluetoothManager) DOM_CLASSINFO_MAP_ENTRY(nsIDOMBluetoothManager) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(BluetoothAdapter, nsIDOMBluetoothAdapter) DOM_CLASSINFO_MAP_ENTRY(nsIDOMBluetoothAdapter) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(BluetoothDevice, nsIDOMBluetoothDevice) DOM_CLASSINFO_MAP_ENTRY(nsIDOMBluetoothDevice) DOM_CLASSINFO_MAP_END #endif DOM_CLASSINFO_MAP_BEGIN(CameraControl, nsICameraControl) DOM_CLASSINFO_MAP_ENTRY(nsICameraControl) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CameraCapabilities, nsICameraCapabilities) DOM_CLASSINFO_MAP_ENTRY(nsICameraCapabilities) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(OpenWindowEventDetail, nsIOpenWindowEventDetail) DOM_CLASSINFO_MAP_ENTRY(nsIOpenWindowEventDetail) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(AsyncScrollEventDetail, nsIAsyncScrollEventDetail) DOM_CLASSINFO_MAP_ENTRY(nsIAsyncScrollEventDetail) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(LockedFile, nsIDOMLockedFile) DOM_CLASSINFO_MAP_ENTRY(nsIDOMLockedFile) DOM_CLASSINFO_MAP_END DOM_CLASSINFO_MAP_BEGIN(CSSFontFeatureValuesRule, nsIDOMCSSFontFeatureValuesRule) DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSFontFeatureValuesRule) DOM_CLASSINFO_MAP_END MOZ_STATIC_ASSERT(MOZ_ARRAY_LENGTH(sClassInfoData) == eDOMClassInfoIDCount, "The number of items in sClassInfoData doesn't match the " "number of nsIDOMClassInfo ID's, this is bad! Fix it!"); #ifdef DEBUG for (size_t i = 0; i < eDOMClassInfoIDCount; i++) { if (!sClassInfoData[i].u.mConstructorFptr || sClassInfoData[i].mDebugID != i) { MOZ_CRASH("Class info data out of sync, you forgot to update " "nsDOMClassInfo.h and nsDOMClassInfo.cpp! Fix this, " "mozilla will not work without this fixed!"); } } for (size_t i = 0; i < eDOMClassInfoIDCount; i++) { if (!sClassInfoData[i].mInterfaces) { MOZ_CRASH("Class info data without an interface list! Fix this, " "mozilla will not work without this fixed!"); } } #endif // Initialize static JSString's DefineStaticJSVals(cx); int32_t i; for (i = 0; i < eDOMClassInfoIDCount; ++i) { nsDOMClassInfoData& data = sClassInfoData[i]; nameSpaceManager->RegisterClassName(data.mName, i, data.mChromeOnly, data.mDisabled, &data.mNameUTF16); } for (i = 0; i < eDOMClassInfoIDCount; ++i) { RegisterClassProtos(i); } RegisterExternalClasses(); // Register new DOM bindings mozilla::dom::Register(nameSpaceManager); sIsInitialized = true; return NS_OK; } // static int32_t nsDOMClassInfo::GetArrayIndexFromId(JSContext *cx, JS::Handle id, bool *aIsNumber) { if (aIsNumber) { *aIsNumber = false; } int i; if (JSID_IS_INT(id)) { i = JSID_TO_INT(id); } else { jsval idval; double array_index; if (!::JS_IdToValue(cx, id, &idval) || !::JS_ValueToNumber(cx, idval, &array_index) || !::JS_DoubleIsInt32(array_index, &i)) { return -1; } } if (aIsNumber) { *aIsNumber = true; } return i; } NS_IMETHODIMP nsDOMClassInfo::GetInterfaces(uint32_t *aCount, nsIID ***aArray) { uint32_t count = 0; while (mData->mInterfaces[count]) { count++; } *aCount = count; if (!count) { *aArray = nullptr; return NS_OK; } *aArray = static_cast(nsMemory::Alloc(count * sizeof(nsIID *))); NS_ENSURE_TRUE(*aArray, NS_ERROR_OUT_OF_MEMORY); uint32_t i; for (i = 0; i < count; i++) { nsIID *iid = static_cast(nsMemory::Clone(mData->mInterfaces[i], sizeof(nsIID))); if (!iid) { NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(i, *aArray); return NS_ERROR_OUT_OF_MEMORY; } *((*aArray) + i) = iid; } return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::GetHelperForLanguage(uint32_t language, nsISupports **_retval) { if (language == nsIProgrammingLanguage::JAVASCRIPT) { *_retval = static_cast(this); NS_ADDREF(*_retval); } else { *_retval = nullptr; } return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::GetContractID(char **aContractID) { *aContractID = nullptr; return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::GetClassDescription(char **aClassDescription) { return GetClassName(aClassDescription); } NS_IMETHODIMP nsDOMClassInfo::GetClassID(nsCID **aClassID) { *aClassID = nullptr; return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::GetClassIDNoAlloc(nsCID *aClassID) { return NS_ERROR_NOT_AVAILABLE; } NS_IMETHODIMP nsDOMClassInfo::GetImplementationLanguage(uint32_t *aImplLanguage) { *aImplLanguage = nsIProgrammingLanguage::CPLUSPLUS; return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::GetFlags(uint32_t *aFlags) { *aFlags = DOMCLASSINFO_STANDARD_FLAGS; return NS_OK; } // nsIXPCScriptable NS_IMETHODIMP nsDOMClassInfo::GetClassName(char **aClassName) { *aClassName = NS_strdup(mData->mName); return NS_OK; } // virtual uint32_t nsDOMClassInfo::GetScriptableFlags() { return mData->mScriptableFlags; } NS_IMETHODIMP nsDOMClassInfo::PreCreate(nsISupports *nativeObj, JSContext *cx, JSObject *globalObj, JSObject **parentObj) { *parentObj = globalObj; return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::Create(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj) { NS_WARNING("nsDOMClassInfo::Create Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::PostCreate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj) { NS_WARNING("nsDOMClassInfo::PostCreate Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::PostTransplant(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj) { MOZ_CRASH("nsDOMClassInfo::PostTransplant Don't call me!"); } NS_IMETHODIMP nsDOMClassInfo::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid id, jsval *vp, bool *_retval) { NS_WARNING("nsDOMClassInfo::AddProperty Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::DelProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid id, bool *_retval) { NS_WARNING("nsDOMClassInfo::DelProperty Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid id, jsval *vp, bool *_retval) { NS_WARNING("nsDOMClassInfo::GetProperty Don't call me!"); return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::SetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid id, jsval *vp, bool *_retval) { NS_WARNING("nsDOMClassInfo::SetProperty Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::Enumerate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, bool *_retval) { #ifdef DEBUG if (!sSecMan) { NS_ERROR("No security manager!!!"); return NS_OK; } // Ask the security manager if it's OK to enumerate nsresult rv = sSecMan->CheckPropertyAccess(cx, obj, mData->mName, sEnumerate_id, nsIXPCSecurityManager::ACCESS_GET_PROPERTY); NS_ASSERTION(NS_SUCCEEDED(rv), "XOWs should have stopped us from getting here!!!"); #endif return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::NewEnumerate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, uint32_t enum_op, jsval *statep, jsid *idp, bool *_retval) { NS_WARNING("nsDOMClassInfo::NewEnumerate Don't call me!"); return NS_ERROR_UNEXPECTED; } nsresult nsDOMClassInfo::ResolveConstructor(JSContext *cx, JSObject *aObj, JSObject **objp) { JS::Rooted obj(cx, aObj); JS::Rooted global(cx, ::JS_GetGlobalForObject(cx, obj)); JS::Rooted val(cx); if (!::JS_LookupProperty(cx, global, mData->mName, val.address())) { return NS_ERROR_UNEXPECTED; } if (!JSVAL_IS_PRIMITIVE(val)) { // If val is not an (non-null) object there either is no // constructor for this class, or someone messed with // window.classname, just fall through and let the JS engine // return the Object constructor. if (!::JS_DefinePropertyById(cx, obj, sConstructor_id, val, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE)) { return NS_ERROR_UNEXPECTED; } *objp = obj; } return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid id, uint32_t flags, JSObject **objp, bool *_retval) { if (id == sConstructor_id) { return ResolveConstructor(cx, obj, objp); } return NS_OK; } nsISupports* nsDOMTouchListSH::GetItemAt(nsISupports *aNative, uint32_t aIndex, nsWrapperCache **aCache, nsresult *aResult) { nsDOMTouchList* list = static_cast(aNative); return list->GetItemAt(aIndex); } NS_IMETHODIMP nsDOMClassInfo::Convert(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, uint32_t type, jsval *vp, bool *_retval) { NS_WARNING("nsDOMClassInfo::Convert Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::Finalize(nsIXPConnectWrappedNative *wrapper, JSFreeOp *fop, JSObject *obj) { NS_WARNING("nsDOMClassInfo::Finalize Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::CheckAccess(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid aId, uint32_t mode, jsval *vp, bool *_retval) { JS::Rooted id(cx, aId); uint32_t mode_type = mode & JSACC_TYPEMASK; if ((mode_type == JSACC_WATCH || mode_type == JSACC_PROTO) && sSecMan) { nsresult rv; JS::Rooted real_obj(cx); if (wrapper) { real_obj = wrapper->GetJSObject(); NS_ENSURE_STATE(real_obj); } else { real_obj = obj; } rv = sSecMan->CheckPropertyAccess(cx, real_obj, mData->mName, id, nsIXPCSecurityManager::ACCESS_GET_PROPERTY); if (NS_FAILED(rv)) { // Let XPConnect know that the access was not granted. *_retval = false; } } return NS_OK; } NS_IMETHODIMP nsDOMClassInfo::Call(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, const JS::CallArgs &args, bool *_retval) { NS_WARNING("nsDOMClassInfo::Call Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::Construct(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, const JS::CallArgs &args, bool *_retval) { NS_WARNING("nsDOMClassInfo::Construct Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::HasInstance(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, const jsval &val, bool *bp, bool *_retval) { NS_WARNING("nsDOMClassInfo::HasInstance Don't call me!"); return NS_ERROR_UNEXPECTED; } NS_IMETHODIMP nsDOMClassInfo::OuterObject(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JSObject * obj, JSObject * *_retval) { NS_WARNING("nsDOMClassInfo::OuterObject Don't call me!"); return NS_ERROR_UNEXPECTED; } static nsresult GetExternalClassInfo(nsScriptNameSpaceManager *aNameSpaceManager, const nsString &aName, const nsGlobalNameStruct *aStruct, const nsGlobalNameStruct **aResult) { NS_ASSERTION(aStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfoCreator, "Wrong type!"); nsresult rv; nsCOMPtr creator(do_CreateInstance(aStruct->mCID, &rv)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr sof(do_GetService(kDOMSOF_CID)); NS_ENSURE_TRUE(sof, NS_ERROR_FAILURE); rv = creator->RegisterDOMCI(NS_ConvertUTF16toUTF8(aName).get(), sof); NS_ENSURE_SUCCESS(rv, rv); const nsGlobalNameStruct *name_struct = aNameSpaceManager->LookupName(aName); if (name_struct && name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { *aResult = name_struct; } else { NS_ERROR("Couldn't get the DOM ClassInfo data."); *aResult = nullptr; } return NS_OK; } static nsresult ResolvePrototype(nsIXPConnect *aXPConnect, nsGlobalWindow *aWin, JSContext *cx, JS::Handle obj, const PRUnichar *name, const nsDOMClassInfoData *ci_data, const nsGlobalNameStruct *name_struct, nsScriptNameSpaceManager *nameSpaceManager, JSObject *dot_prototype, bool install, bool *did_resolve); NS_IMETHODIMP nsDOMClassInfo::PostCreatePrototype(JSContext * cx, JSObject * aProto) { uint32_t flags = (mData->mScriptableFlags & DONT_ENUM_STATIC_PROPS) ? 0 : JSPROP_ENUMERATE; uint32_t count = 0; while (mData->mInterfaces[count]) { count++; } JS::Rooted proto(cx, aProto); if (!xpc::DOM_DefineQuickStubs(cx, proto, flags, count, mData->mInterfaces)) { JS_ClearPendingException(cx); } // This is called before any other location that requires // sObjectClass, so compute it here. We assume that nobody has had a // chance to monkey around with proto's prototype chain before this. if (!sObjectClass) { FindObjectClass(cx, proto); NS_ASSERTION(sObjectClass && !strcmp(sObjectClass->name, "Object"), "Incorrect object class!"); } #ifdef DEBUG JS::Rooted proto2(cx); JS_GetPrototype(cx, proto, proto2.address()); NS_ASSERTION(proto2 && JS_GetClass(proto2) == sObjectClass, "Hmm, somebody did something evil?"); #endif #ifdef DEBUG if (mData->mHasClassInterface && mData->mProtoChainInterface && mData->mProtoChainInterface != &NS_GET_IID(nsISupports)) { nsCOMPtr iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); if (iim) { nsCOMPtr if_info; iim->GetInfoForIID(mData->mProtoChainInterface, getter_AddRefs(if_info)); if (if_info) { nsXPIDLCString name; if_info->GetName(getter_Copies(name)); NS_ASSERTION(nsCRT::strcmp(CutPrefix(name), mData->mName) == 0, "Class name and proto chain interface name mismatch!"); } } } #endif // Make prototype delegation work correctly. Consider if a site sets // HTMLElement.prototype.foopy = function () { ... } Now, calling // document.body.foopy() needs to ensure that looking up foopy on // document.body's prototype will find the right function. JS::Rooted global(cx, ::JS_GetGlobalForObject(cx, proto)); // Only do this if the global object is a window. // XXX Is there a better way to check this? nsISupports *globalNative = XPConnect()->GetNativeOfWrapper(cx, global); nsCOMPtr piwin = do_QueryInterface(globalNative); if (!piwin) { return NS_OK; } nsGlobalWindow *win = nsGlobalWindow::FromSupports(globalNative); if (win->IsClosedOrClosing()) { return NS_OK; } // If the window is in a different compartment than the global object, then // it's likely that global is a sandbox object whose prototype is a window. // Don't do anything in this case. if (win->FastGetGlobalJSObject() && js::GetObjectCompartment(global) != js::GetObjectCompartment(win->FastGetGlobalJSObject())) { return NS_OK; } if (win->IsOuterWindow()) { // XXXjst: Do security checks here when we remove the security // checks on the inner window. win = win->GetCurrentInnerWindowInternal(); if (!win || !(global = win->GetGlobalJSObject()) || win->IsClosedOrClosing()) { return NS_OK; } } // Don't overwrite a property set by content. JSBool found; if (!::JS_AlreadyHasOwnUCProperty(cx, global, reinterpret_cast(mData->mNameUTF16), NS_strlen(mData->mNameUTF16), &found)) { return NS_ERROR_FAILURE; } nsScriptNameSpaceManager *nameSpaceManager = nsJSRuntime::GetNameSpaceManager(); NS_ENSURE_TRUE(nameSpaceManager, NS_OK); bool unused; return ResolvePrototype(sXPConnect, win, cx, global, mData->mNameUTF16, mData, nullptr, nameSpaceManager, proto, !found, &unused); } // static nsIClassInfo * NS_GetDOMClassInfoInstance(nsDOMClassInfoID aID) { if (aID >= eDOMClassInfoIDCount) { NS_ERROR("Bad ID!"); return nullptr; } if (!nsDOMClassInfo::sIsInitialized) { nsresult rv = nsDOMClassInfo::Init(); NS_ENSURE_SUCCESS(rv, nullptr); } if (!sClassInfoData[aID].mCachedClassInfo) { nsDOMClassInfoData& data = sClassInfoData[aID]; data.mCachedClassInfo = data.u.mConstructorFptr(&data); NS_ENSURE_TRUE(data.mCachedClassInfo, nullptr); NS_ADDREF(data.mCachedClassInfo); } NS_ASSERTION(!IS_EXTERNAL(sClassInfoData[aID].mCachedClassInfo), "This is bad, internal class marked as external!"); return sClassInfoData[aID].mCachedClassInfo; } // static nsIClassInfo * nsDOMClassInfo::GetClassInfoInstance(nsDOMClassInfoData* aData) { NS_ASSERTION(IS_EXTERNAL(aData->mCachedClassInfo) || !aData->mCachedClassInfo, "This is bad, external class marked as internal!"); if (!aData->mCachedClassInfo) { if (aData->u.mExternalConstructorFptr) { aData->mCachedClassInfo = aData->u.mExternalConstructorFptr(aData->mName); } else { aData->mCachedClassInfo = nsDOMGenericSH::doCreate(aData); } NS_ENSURE_TRUE(aData->mCachedClassInfo, nullptr); NS_ADDREF(aData->mCachedClassInfo); aData->mCachedClassInfo = MARK_EXTERNAL(aData->mCachedClassInfo); } return GET_CLEAN_CI_PTR(aData->mCachedClassInfo); } // static void nsDOMClassInfo::ShutDown() { if (sClassInfoData[0].u.mConstructorFptr) { uint32_t i; for (i = 0; i < eDOMClassInfoIDCount; i++) { NS_IF_RELEASE(sClassInfoData[i].mCachedClassInfo); } } sParent_id = JSID_VOID; sScrollbars_id = JSID_VOID; sLocation_id = JSID_VOID; sConstructor_id = JSID_VOID; s_content_id = JSID_VOID; sContent_id = JSID_VOID; sMenubar_id = JSID_VOID; sToolbar_id = JSID_VOID; sLocationbar_id = JSID_VOID; sPersonalbar_id = JSID_VOID; sStatusbar_id = JSID_VOID; sControllers_id = JSID_VOID; sLength_id = JSID_VOID; sScrollX_id = JSID_VOID; sScrollY_id = JSID_VOID; sScrollMaxX_id = JSID_VOID; sScrollMaxY_id = JSID_VOID; sItem_id = JSID_VOID; sEnumerate_id = JSID_VOID; sNavigator_id = JSID_VOID; sTop_id = JSID_VOID; sDocument_id = JSID_VOID; sFrames_id = JSID_VOID; sSelf_id = JSID_VOID; sWrappedJSObject_id = JSID_VOID; sOnload_id = JSID_VOID; sOnerror_id = JSID_VOID; NS_IF_RELEASE(sXPConnect); NS_IF_RELEASE(sSecMan); sIsInitialized = false; } // Window helper NS_IMETHODIMP nsWindowSH::PreCreate(nsISupports *nativeObj, JSContext *cx, JSObject *globalObj, JSObject **parentObj) { // Normally ::PreCreate() is used to give XPConnect the parent // object for the object that's being wrapped, this parent object is // set as the parent of the wrapper and it's also used to find the // right scope for the object being wrapped. Now, in the case of the // global object the wrapper shouldn't have a parent but we supply // one here anyway (the global object itself) and this will be used // by XPConnect only to find the right scope, once the scope is // found XPConnect will find the existing wrapper (which always // exists since it's created on window construction), since an // existing wrapper is found the parent we supply here is ignored // after the wrapper is found. nsCOMPtr sgo(do_QueryInterface(nativeObj)); NS_ASSERTION(sgo, "nativeObj not a global object!"); nsGlobalWindow *win = nsGlobalWindow::FromSupports(nativeObj); NS_ASSERTION(win->IsInnerWindow(), "Should be inner window."); // We sometimes get a disconnected window during file api test. :-( if (!win->GetOuterWindowInternal()) return NS_ERROR_FAILURE; // If we're bootstrapping, we don't have a JS object yet. if (win->GetOuterWindowInternal()->IsCreatingInnerWindow()) return NS_OK; return SetParentToWindow(win, parentObj); } static JSClass sGlobalScopePolluterClass = { "Global Scope Polluter", JSCLASS_NEW_RESOLVE, JS_PropertyStub, JS_DeletePropertyStub, nsWindowSH::GlobalScopePolluterGetProperty, JS_StrictPropertyStub, JS_EnumerateStub, (JSResolveOp)nsWindowSH::GlobalScopePolluterNewResolve, JS_ConvertStub, nullptr }; // static JSBool nsWindowSH::GlobalScopePolluterGetProperty(JSContext *cx, JS::Handle obj, JS::Handle id, JS::MutableHandle vp) { // Someone is accessing a element by referencing its name/id in the // global scope, do a security check to make sure that's ok. nsresult rv = sSecMan->CheckPropertyAccess(cx, ::JS_GetGlobalForObject(cx, obj), "Window", id, nsIXPCSecurityManager::ACCESS_GET_PROPERTY); if (NS_FAILED(rv)) { // The security check failed. The security manager set a JS // exception for us. return JS_FALSE; } return JS_TRUE; } // Gets a subframe. static JSBool ChildWindowGetter(JSContext *cx, JS::Handle obj, JS::Handle id, JS::MutableHandle vp) { MOZ_ASSERT(JSID_IS_STRING(id)); // Grab the native DOM window. vp.setUndefined(); nsCOMPtr winSupports = do_QueryInterface(nsDOMClassInfo::XPConnect()->GetNativeOfWrapper(cx, obj)); if (!winSupports) return true; nsGlobalWindow *win = nsGlobalWindow::FromSupports(winSupports); // Find the child, if it exists. nsDependentJSString name(id); nsCOMPtr child = win->GetChildWindow(name); if (!child) return true; // Wrap the child for JS. JS::Rooted v(cx); nsresult rv = WrapNative(cx, JS_GetGlobalForScopeChain(cx), child, /* aAllowWrapping = */ true, v.address()); NS_ENSURE_SUCCESS(rv, false); vp.set(v); return true; } static nsHTMLDocument* GetDocument(JSObject *obj) { MOZ_ASSERT(js::GetObjectJSClass(obj) == &sHTMLDocumentAllClass); return static_cast( static_cast(JS_GetPrivate(obj))); } // static JSBool nsWindowSH::GlobalScopePolluterNewResolve(JSContext *cx, JS::Handle obj, JS::Handle id, unsigned flags, JS::MutableHandle objp) { if (!JSID_IS_STRING(id)) { // Nothing to do if we're resolving a non-string property. return JS_TRUE; } // Crash reports from the wild seem to get here during shutdown when there's // no more XPConnect singleton. nsIXPConnect *xpc = XPConnect(); NS_ENSURE_TRUE(xpc, true); // Grab the DOM window. JSObject *global = JS_GetGlobalForObject(cx, obj); nsISupports *globalNative = xpc->GetNativeOfWrapper(cx, global); nsCOMPtr piWin = do_QueryInterface(globalNative); MOZ_ASSERT(piWin); nsGlobalWindow* win = static_cast(piWin.get()); if (win->GetLength() > 0) { nsDependentJSString name(id); nsCOMPtr child_win = win->GetChildWindow(name); if (child_win) { // We found a subframe of the right name, so define the property // on the GSP. This property is a read-only accessor. Shadowing via // |var foo| in global scope is still allowed, since |var| only looks // up |own| properties. But unqualified shadowing will fail, per-spec. if (!JS_DefinePropertyById(cx, obj, id, JS::UndefinedValue(), ChildWindowGetter, JS_StrictPropertyStub, JSPROP_SHARED | JSPROP_ENUMERATE)) { return false; } objp.set(obj); return true; } } JS::Rooted proto(cx); if (!::JS_GetPrototype(cx, obj, proto.address())) { return JS_FALSE; } JSBool hasProp; if (!proto || !::JS_HasPropertyById(cx, proto, id, &hasProp) || hasProp) { // No prototype, or the property exists on the prototype. Do // nothing. return JS_TRUE; } // // The rest of this function is for HTML documents only. // nsCOMPtr htmlDoc = do_QueryInterface(win->GetExtantDoc()); if (!htmlDoc) return true; nsHTMLDocument *document = static_cast(htmlDoc.get()); nsDependentJSString str(id); nsCOMPtr result; nsWrapperCache *cache; { Element *element = document->GetElementById(str); result = element; cache = element; } if (!result) { result = document->ResolveName(str, &cache); } if (result) { JS::Rooted v(cx); nsCOMPtr holder; nsresult rv = WrapNative(cx, obj, result, cache, true, v.address(), getter_AddRefs(holder)); NS_ENSURE_SUCCESS(rv, JS_FALSE); if (!JS_WrapValue(cx, v.address()) || !JS_DefinePropertyById(cx, obj, id, v, JS_PropertyStub, JS_StrictPropertyStub, 0)) { return JS_FALSE; } objp.set(obj); } return JS_TRUE; } // static JSBool nsWindowSH::InvalidateGlobalScopePolluter(JSContext *cx, JS::Handle aObj) { JS::Rooted proto(cx); JS::Rooted obj(cx, aObj); for (;;) { if (!::JS_GetPrototype(cx, obj, proto.address())) { return JS_FALSE; } if (!proto) { break; } if (JS_GetClass(proto) == &sGlobalScopePolluterClass) { JS::Rooted proto_proto(cx); if (!::JS_GetPrototype(cx, proto, proto_proto.address())) { return JS_FALSE; } // Pull the global scope polluter out of the prototype chain so // that it can be freed. ::JS_SplicePrototype(cx, obj, proto_proto); break; } obj = proto; } return JS_TRUE; } // static nsresult nsWindowSH::InstallGlobalScopePolluter(JSContext *cx, JS::Handle obj) { JS::Rooted gsp(cx, ::JS_NewObjectWithUniqueType(cx, &sGlobalScopePolluterClass, nullptr, obj)); if (!gsp) { return NS_ERROR_OUT_OF_MEMORY; } JS::Rooted o(cx, obj), proto(cx); // Find the place in the prototype chain where we want this global // scope polluter (right before Object.prototype). for (;;) { if (!::JS_GetPrototype(cx, o, proto.address())) { return NS_ERROR_OUT_OF_MEMORY; } if (!proto) { break; } if (JS_GetClass(proto) == sObjectClass) { // Set the global scope polluters prototype to Object.prototype ::JS_SplicePrototype(cx, gsp, proto); break; } o = proto; } // And then set the prototype of the object whose prototype was // Object.prototype to be the global scope polluter. ::JS_SplicePrototype(cx, o, gsp); return NS_OK; } struct ResolveGlobalNameClosure { JSContext* cx; JS::Handle obj; bool* retval; }; static PLDHashOperator ResolveGlobalName(const nsAString& aName, void* aClosure) { ResolveGlobalNameClosure* closure = static_cast(aClosure); JS::Rooted dummy(closure->cx); bool ok = JS_LookupUCProperty(closure->cx, closure->obj, aName.BeginReading(), aName.Length(), dummy.address()); if (!ok) { *closure->retval = false; return PL_DHASH_STOP; } return PL_DHASH_NEXT; } NS_IMETHODIMP nsWindowSH::Enumerate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, bool *_retval) { JS::Rooted obj(cx, aObj); if (!xpc::WrapperFactory::IsXrayWrapper(obj)) { *_retval = JS_EnumerateStandardClasses(cx, obj); if (!*_retval) { return NS_OK; } // Now resolve everything from the namespace manager nsScriptNameSpaceManager *nameSpaceManager = nsJSRuntime::GetNameSpaceManager(); if (!nameSpaceManager) { NS_ERROR("Can't get namespace manager."); return NS_ERROR_UNEXPECTED; } ResolveGlobalNameClosure closure = { cx, obj, _retval }; nameSpaceManager->EnumerateGlobalNames(ResolveGlobalName, &closure); } return NS_OK; } static nsDOMConstructorFunc FindConstructorFunc(const nsDOMClassInfoData *aDOMClassInfoData) { for (uint32_t i = 0; i < ArrayLength(kConstructorFuncMap); ++i) { if (&sClassInfoData[kConstructorFuncMap[i].mDOMClassInfoID] == aDOMClassInfoData) { return kConstructorFuncMap[i].mConstructorFunc; } } return nullptr; } static nsresult BaseStubConstructor(nsIWeakReference* aWeakOwner, const nsGlobalNameStruct *name_struct, JSContext *cx, JS::Handle obj, const JS::CallArgs &args) { MOZ_ASSERT(obj); nsresult rv; nsCOMPtr native; if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { const nsDOMClassInfoData* ci_data = &sClassInfoData[name_struct->mDOMClassInfoID]; nsDOMConstructorFunc func = FindConstructorFunc(ci_data); if (func) { rv = func(getter_AddRefs(native)); } else { rv = NS_ERROR_NOT_AVAILABLE; } } else if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructor) { native = do_CreateInstance(name_struct->mCID, &rv); } else if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) { native = do_CreateInstance(name_struct->mAlias->mCID, &rv); } else { native = do_CreateInstance(*name_struct->mData->mConstructorCID, &rv); } if (NS_FAILED(rv)) { NS_ERROR("Failed to create the object"); return rv; } nsCOMPtr initializer(do_QueryInterface(native)); nsCOMPtr constructor(do_QueryInterface(native)); if (initializer || constructor) { // Initialize object using the current inner window, but only if // the caller can access it. nsCOMPtr owner = do_QueryReferent(aWeakOwner); nsPIDOMWindow* outerWindow = owner ? owner->GetOuterWindow() : nullptr; nsPIDOMWindow* currentInner = outerWindow ? outerWindow->GetCurrentInnerWindow() : nullptr; if (!currentInner || (owner != currentInner && !nsContentUtils::CanCallerAccess(currentInner))) { return NS_ERROR_DOM_SECURITY_ERR; } if (initializer) { rv = initializer->Initialize(currentInner, cx, obj, args); if (NS_FAILED(rv)) { return rv; } } else { nsCOMPtr wrappedJS = do_QueryInterface(native); JS::Rooted thisObject(cx, wrappedJS->GetJSObject()); if (!thisObject) { return NS_ERROR_UNEXPECTED; } nsCxPusher pusher; pusher.Push(cx); JSAutoCompartment ac(cx, thisObject); JS::Rooted funval(cx); if (!JS_GetProperty(cx, thisObject, "constructor", funval.address()) || !funval.isObject()) { return NS_ERROR_UNEXPECTED; } // Check if the object is even callable. NS_ENSURE_STATE(JS_ObjectIsCallable(cx, &funval.toObject())); { // wrap parameters in the target compartment // we also pass in the calling window as the first argument unsigned argc = args.length() + 1; nsAutoArrayPtr argv(new JS::Value[argc]); JS::AutoArrayRooter rooter(cx, 0, argv); nsCOMPtr holder; nsCOMPtr currentWin(do_GetInterface(currentInner)); rv = WrapNative(cx, obj, currentWin, &NS_GET_IID(nsIDOMWindow), true, &argv[0], getter_AddRefs(holder)); if (!JS_WrapValue(cx, &argv[0])) return NS_ERROR_FAILURE; rooter.changeLength(1); for (size_t i = 1; i < argc; ++i) { argv[i] = args[i - 1]; if (!JS_WrapValue(cx, &argv[i])) return NS_ERROR_FAILURE; rooter.changeLength(i + 1); } JS::Rooted frval(cx); bool ret = JS_CallFunctionValue(cx, thisObject, funval, argc, argv, frval.address()); if (!ret) { return NS_ERROR_FAILURE; } } } } return WrapNative(cx, obj, native, true, args.rval().address()); } static nsresult DefineInterfaceConstants(JSContext *cx, JS::Handle obj, const nsIID *aIID) { nsCOMPtr iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); NS_ENSURE_TRUE(iim, NS_ERROR_UNEXPECTED); nsCOMPtr if_info; nsresult rv = iim->GetInfoForIID(aIID, getter_AddRefs(if_info)); NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && if_info, rv); uint16_t constant_count; if_info->GetConstantCount(&constant_count); if (!constant_count) { return NS_OK; } nsCOMPtr parent_if_info; rv = if_info->GetParent(getter_AddRefs(parent_if_info)); NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && parent_if_info, rv); uint16_t parent_constant_count, i; parent_if_info->GetConstantCount(&parent_constant_count); for (i = parent_constant_count; i < constant_count; i++) { const nsXPTConstant *c = nullptr; rv = if_info->GetConstant(i, &c); NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && c, rv); uint16_t type = c->GetType().TagPart(); jsval v; switch (type) { case nsXPTType::T_I8: case nsXPTType::T_U8: { v = INT_TO_JSVAL(c->GetValue()->val.u8); break; } case nsXPTType::T_I16: case nsXPTType::T_U16: { v = INT_TO_JSVAL(c->GetValue()->val.u16); break; } case nsXPTType::T_I32: { v = JS_NumberValue(c->GetValue()->val.i32); break; } case nsXPTType::T_U32: { v = JS_NumberValue(c->GetValue()->val.u32); break; } default: { #ifdef DEBUG NS_ERROR("Non-numeric constant found in interface."); #endif continue; } } if (!::JS_DefineProperty(cx, obj, c->GetName(), v, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE | JSPROP_READONLY | JSPROP_PERMANENT)) { return NS_ERROR_UNEXPECTED; } } return NS_OK; } // This code is temporary until we remove support for the constants defined // on IDBCursor/IDBRequest/IDBTransaction struct IDBConstant { const char* interface; const char* name; const char* value; static const char* IDBCursor; static const char* IDBRequest; static const char* IDBTransaction; }; const char* IDBConstant::IDBCursor = "IDBCursor"; const char* IDBConstant::IDBRequest = "IDBRequest"; const char* IDBConstant::IDBTransaction = "IDBTransaction"; static const IDBConstant sIDBConstants[] = { { IDBConstant::IDBCursor, "NEXT", "next" }, { IDBConstant::IDBCursor, "NEXT_NO_DUPLICATE", "nextunique" }, { IDBConstant::IDBCursor, "PREV", "prev" }, { IDBConstant::IDBCursor, "PREV_NO_DUPLICATE", "prevunique" }, { IDBConstant::IDBRequest, "LOADING", "pending" }, { IDBConstant::IDBRequest, "DONE", "done" }, { IDBConstant::IDBTransaction, "READ_ONLY", "readonly" }, { IDBConstant::IDBTransaction, "READ_WRITE", "readwrite" }, { IDBConstant::IDBTransaction, "VERSION_CHANGE", "versionchange" }, }; static JSBool IDBConstantGetter(JSContext *cx, JS::Handle obj, JS::Handle id, JS::MutableHandle vp) { JSString *idstr = JSID_TO_STRING(id); unsigned index; for (index = 0; index < mozilla::ArrayLength(sIDBConstants); index++) { JSBool match; if (!JS_StringEqualsAscii(cx, idstr, sIDBConstants[index].name, &match)) { return JS_FALSE; } if (match) { break; } } MOZ_ASSERT(index < mozilla::ArrayLength(sIDBConstants)); const IDBConstant& c = sIDBConstants[index]; // Put a warning on the console nsString warnText = NS_LITERAL_STRING("The constant ") + NS_ConvertASCIItoUTF16(c.interface) + NS_LITERAL_STRING(".") + NS_ConvertASCIItoUTF16(c.name) + NS_LITERAL_STRING(" has been deprecated. Use the string value \"") + NS_ConvertASCIItoUTF16(c.value) + NS_LITERAL_STRING("\" instead."); uint64_t windowID = 0; nsIScriptContext* context = GetScriptContextFromJSContext(cx); if (context) { nsCOMPtr window = do_QueryInterface(context->GetGlobalObject()); if (window) { window = window->GetCurrentInnerWindow(); } NS_WARN_IF_FALSE(window, "Missing a window, got a door?"); if (window) { windowID = window->WindowID(); } } nsCOMPtr errorObject = do_CreateInstance(NS_SCRIPTERROR_CONTRACTID); NS_WARN_IF_FALSE(errorObject, "Failed to create error object"); if (errorObject) { nsresult rv = errorObject->InitWithWindowID(warnText, EmptyString(), // file name EmptyString(), // source line 0, 0, // Line/col number nsIScriptError::warningFlag, "DOM Core", windowID); NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Failed to init error object"); if (NS_SUCCEEDED(rv)) { nsCOMPtr consoleServ = do_GetService(NS_CONSOLESERVICE_CONTRACTID); if (consoleServ) { consoleServ->LogMessage(errorObject); } } } // Redefine property to remove getter NS_ConvertASCIItoUTF16 valStr(c.value); JS::Rooted value(cx); if (!xpc::StringToJsval(cx, valStr, value.address())) { return JS_FALSE; } if (!::JS_DefineProperty(cx, obj, c.name, value, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE)) { return JS_FALSE; } // Return value vp.set(value); return JS_TRUE; } static nsresult DefineIDBInterfaceConstants(JSContext *cx, JS::Handle obj, const nsIID *aIID) { const char* interface; if (aIID->Equals(NS_GET_IID(nsIIDBCursor))) { interface = IDBConstant::IDBCursor; } else if (aIID->Equals(NS_GET_IID(nsIIDBRequest))) { interface = IDBConstant::IDBRequest; } else if (aIID->Equals(NS_GET_IID(nsIIDBTransaction))) { interface = IDBConstant::IDBTransaction; } else { MOZ_CRASH("unexpected IID"); } for (int8_t i = 0; i < (int8_t)mozilla::ArrayLength(sIDBConstants); ++i) { const IDBConstant& c = sIDBConstants[i]; if (c.interface != interface) { continue; } if (!JS_DefineProperty(cx, obj, c.name, JSVAL_VOID, IDBConstantGetter, JS_StrictPropertyStub, JSPROP_ENUMERATE)) { return NS_ERROR_UNEXPECTED; } } return NS_OK; } class nsDOMConstructor MOZ_FINAL : public nsIDOMDOMConstructor { protected: nsDOMConstructor(const PRUnichar* aName, bool aIsConstructable, nsPIDOMWindow* aOwner) : mClassName(aName), mConstructable(aIsConstructable), mWeakOwner(do_GetWeakReference(aOwner)) { } public: static nsresult Create(const PRUnichar* aName, const nsDOMClassInfoData* aData, const nsGlobalNameStruct* aNameStruct, nsPIDOMWindow* aOwner, nsDOMConstructor** aResult); NS_DECL_ISUPPORTS NS_DECL_NSIDOMDOMCONSTRUCTOR nsresult PreCreate(JSContext *cx, JSObject *globalObj, JSObject **parentObj); nsresult Construct(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JS::Handle obj, const JS::CallArgs &args, bool *_retval); nsresult HasInstance(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JS::Handle obj, const jsval &val, bool *bp, bool *_retval); nsresult Install(JSContext *cx, JS::Handle target, JS::Handle aThisAsVal) { JS::Rooted thisAsVal(cx, aThisAsVal); // The 'attrs' argument used to be JSPROP_PERMANENT. See bug 628612. JSBool ok = JS_WrapValue(cx, thisAsVal.address()) && ::JS_DefineUCProperty(cx, target, reinterpret_cast(mClassName), NS_strlen(mClassName), thisAsVal, JS_PropertyStub, JS_StrictPropertyStub, 0); return ok ? NS_OK : NS_ERROR_UNEXPECTED; } nsresult ResolveInterfaceConstants(JSContext *cx, JS::Handle obj); private: const nsGlobalNameStruct *GetNameStruct() { if (!mClassName) { NS_ERROR("Can't get name"); return nullptr; } const nsGlobalNameStruct *nameStruct; #ifdef DEBUG nsresult rv = #endif GetNameStruct(nsDependentString(mClassName), &nameStruct); NS_ASSERTION(NS_FAILED(rv) || nameStruct, "Name isn't in hash."); return nameStruct; } static nsresult GetNameStruct(const nsAString& aName, const nsGlobalNameStruct **aNameStruct) { *aNameStruct = nullptr; nsScriptNameSpaceManager *nameSpaceManager = nsJSRuntime::GetNameSpaceManager(); if (!nameSpaceManager) { NS_ERROR("Can't get namespace manager."); return NS_ERROR_UNEXPECTED; } *aNameStruct = nameSpaceManager->LookupName(aName); // Return NS_OK here, aName just isn't a DOM class but nothing failed. return NS_OK; } static bool IsConstructable(const nsDOMClassInfoData *aData) { if (IS_EXTERNAL(aData->mCachedClassInfo)) { const nsExternalDOMClassInfoData* data = static_cast(aData); return data->mConstructorCID != nullptr; } return FindConstructorFunc(aData); } static bool IsConstructable(const nsGlobalNameStruct *aNameStruct) { return (aNameStruct->mType == nsGlobalNameStruct::eTypeClassConstructor && IsConstructable(&sClassInfoData[aNameStruct->mDOMClassInfoID])) || (aNameStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfo && IsConstructable(aNameStruct->mData)) || aNameStruct->mType == nsGlobalNameStruct::eTypeExternalConstructor || aNameStruct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias; } const PRUnichar* mClassName; const bool mConstructable; nsWeakPtr mWeakOwner; }; //static nsresult nsDOMConstructor::Create(const PRUnichar* aName, const nsDOMClassInfoData* aData, const nsGlobalNameStruct* aNameStruct, nsPIDOMWindow* aOwner, nsDOMConstructor** aResult) { *aResult = nullptr; // Prevent creating a constructor if aOwner is inner window which doesn't have // an outer window. If the outer window doesn't have an inner window or the // caller can't access the outer window's current inner window then try to use // the owner (so long as it is, in fact, an inner window). If that doesn't // work then prevent creation also. nsPIDOMWindow* outerWindow = aOwner->GetOuterWindow(); nsPIDOMWindow* currentInner = outerWindow ? outerWindow->GetCurrentInnerWindow() : aOwner; if (!currentInner || (aOwner != currentInner && !nsContentUtils::CanCallerAccess(currentInner) && !(currentInner = aOwner)->IsInnerWindow())) { return NS_ERROR_DOM_SECURITY_ERR; } bool constructable = aNameStruct ? IsConstructable(aNameStruct) : IsConstructable(aData); *aResult = new nsDOMConstructor(aName, constructable, currentInner); NS_ENSURE_TRUE(*aResult, NS_ERROR_OUT_OF_MEMORY); NS_ADDREF(*aResult); return NS_OK; } NS_IMPL_ADDREF(nsDOMConstructor) NS_IMPL_RELEASE(nsDOMConstructor) NS_INTERFACE_MAP_BEGIN(nsDOMConstructor) NS_INTERFACE_MAP_ENTRY(nsIDOMDOMConstructor) NS_INTERFACE_MAP_ENTRY(nsISupports) if (aIID.Equals(NS_GET_IID(nsIClassInfo))) { #ifdef DEBUG { const nsGlobalNameStruct *name_struct = GetNameStruct(); NS_ASSERTION(!name_struct || mConstructable == IsConstructable(name_struct), "Can't change constructability dynamically!"); } #endif foundInterface = NS_GetDOMClassInfoInstance(mConstructable ? eDOMClassInfo_DOMConstructor_id : eDOMClassInfo_DOMPrototype_id); if (!foundInterface) { *aInstancePtr = nullptr; return NS_ERROR_OUT_OF_MEMORY; } } else NS_INTERFACE_MAP_END nsresult nsDOMConstructor::PreCreate(JSContext *cx, JSObject *globalObj, JSObject **parentObj) { nsCOMPtr owner(do_QueryReferent(mWeakOwner)); if (!owner) { // Can't do anything. return NS_OK; } nsGlobalWindow *win = static_cast(owner.get()); return SetParentToWindow(win, parentObj); } nsresult nsDOMConstructor::Construct(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JS::Handle obj, const JS::CallArgs &args, bool *_retval) { MOZ_ASSERT(obj); const nsGlobalNameStruct *name_struct = GetNameStruct(); NS_ENSURE_TRUE(name_struct, NS_ERROR_FAILURE); if (!IsConstructable(name_struct)) { // ignore return value, we return JS_FALSE anyway return NS_ERROR_DOM_NOT_SUPPORTED_ERR; } return BaseStubConstructor(mWeakOwner, name_struct, cx, obj, args); } nsresult nsDOMConstructor::HasInstance(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JS::Handle obj, const jsval &v, bool *bp, bool *_retval) { // No need to look these up in the hash. *bp = false; if (JSVAL_IS_PRIMITIVE(v)) { return NS_OK; } JS::Rooted dom_obj(cx, v.toObjectOrNull()); NS_ASSERTION(dom_obj, "nsDOMConstructor::HasInstance couldn't get object"); // This might not be the right object, if there are wrappers. Unwrap if we can. JSObject *wrapped_obj = js::CheckedUnwrap(dom_obj, /* stopAtOuter = */ false); if (wrapped_obj) dom_obj = wrapped_obj; JSClass *dom_class = JS_GetClass(dom_obj); if (!dom_class) { NS_ERROR("nsDOMConstructor::HasInstance can't get class."); return NS_ERROR_UNEXPECTED; } const nsGlobalNameStruct *name_struct; nsresult rv = GetNameStruct(NS_ConvertASCIItoUTF16(dom_class->name), &name_struct); if (NS_FAILED(rv)) { return rv; } if (!name_struct) { // This isn't a normal DOM object, see if this constructor lives on its // prototype chain. JS::Rooted val(cx); if (!JS_GetProperty(cx, obj, "prototype", val.address())) { return NS_ERROR_UNEXPECTED; } if (JSVAL_IS_PRIMITIVE(val)) { return NS_OK; } JS::Rooted dot_prototype(cx, val.toObjectOrNull()); JS::Rooted proto(cx, dom_obj); for (;;) { if (!JS_GetPrototype(cx, proto, proto.address())) { return NS_ERROR_UNEXPECTED; } if (!proto) { break; } if (proto == dot_prototype) { *bp = true; break; } } return NS_OK; } if (name_struct->mType != nsGlobalNameStruct::eTypeClassConstructor && name_struct->mType != nsGlobalNameStruct::eTypeExternalClassInfo && name_struct->mType != nsGlobalNameStruct::eTypeExternalConstructorAlias) { // Doesn't have DOM interfaces. return NS_OK; } const nsGlobalNameStruct *class_name_struct = GetNameStruct(); NS_ENSURE_TRUE(class_name_struct, NS_ERROR_FAILURE); if (name_struct == class_name_struct) { *bp = JS_TRUE; return NS_OK; } nsScriptNameSpaceManager *nameSpaceManager = nsJSRuntime::GetNameSpaceManager(); NS_ASSERTION(nameSpaceManager, "Can't get namespace manager?"); const nsIID *class_iid; if (class_name_struct->mType == nsGlobalNameStruct::eTypeInterface || class_name_struct->mType == nsGlobalNameStruct::eTypeClassProto) { class_iid = &class_name_struct->mIID; } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { class_iid = sClassInfoData[class_name_struct->mDOMClassInfoID].mProtoChainInterface; } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { class_iid = class_name_struct->mData->mProtoChainInterface; } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) { const nsGlobalNameStruct* alias_struct = nameSpaceManager->GetConstructorProto(class_name_struct); if (!alias_struct) { NS_ERROR("Couldn't get constructor prototype."); return NS_ERROR_UNEXPECTED; } if (alias_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { class_iid = sClassInfoData[alias_struct->mDOMClassInfoID].mProtoChainInterface; } else if (alias_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { class_iid = alias_struct->mData->mProtoChainInterface; } else { NS_ERROR("Expected eTypeClassConstructor or eTypeExternalClassInfo."); return NS_ERROR_UNEXPECTED; } } else { *bp = JS_FALSE; return NS_OK; } if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) { name_struct = nameSpaceManager->GetConstructorProto(name_struct); if (!name_struct) { NS_ERROR("Couldn't get constructor prototype."); return NS_ERROR_UNEXPECTED; } } NS_ASSERTION(name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor || name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo, "The constructor was set up with a struct of the wrong type."); const nsDOMClassInfoData *ci_data = nullptr; if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor && name_struct->mDOMClassInfoID >= 0) { ci_data = &sClassInfoData[name_struct->mDOMClassInfoID]; } else if (name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { ci_data = name_struct->mData; } nsCOMPtr iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); if (!iim) { NS_ERROR("nsDOMConstructor::HasInstance can't get interface info mgr."); return NS_ERROR_UNEXPECTED; } nsCOMPtr if_info; uint32_t count = 0; const nsIID* class_interface; while ((class_interface = ci_data->mInterfaces[count++])) { if (class_iid->Equals(*class_interface)) { *bp = JS_TRUE; return NS_OK; } iim->GetInfoForIID(class_interface, getter_AddRefs(if_info)); if (!if_info) { NS_ERROR("nsDOMConstructor::HasInstance can't get interface info."); return NS_ERROR_UNEXPECTED; } if_info->HasAncestor(class_iid, bp); if (*bp) { return NS_OK; } } return NS_OK; } nsresult nsDOMConstructor::ResolveInterfaceConstants(JSContext *cx, JS::Handle obj) { const nsGlobalNameStruct *class_name_struct = GetNameStruct(); if (!class_name_struct) return NS_ERROR_UNEXPECTED; const nsIID *class_iid; if (class_name_struct->mType == nsGlobalNameStruct::eTypeInterface || class_name_struct->mType == nsGlobalNameStruct::eTypeClassProto) { class_iid = &class_name_struct->mIID; } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { class_iid = sClassInfoData[class_name_struct->mDOMClassInfoID].mProtoChainInterface; } else if (class_name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { class_iid = class_name_struct->mData->mProtoChainInterface; } else { return NS_OK; } nsresult rv = DefineInterfaceConstants(cx, obj, class_iid); NS_ENSURE_SUCCESS(rv, rv); // Special case for |IDBKeyRange| which gets funny "static" functions. if (class_iid->Equals(NS_GET_IID(nsIIDBKeyRange)) && !indexedDB::IDBKeyRange::DefineConstructors(cx, obj)) { return NS_ERROR_FAILURE; } // Special case a few IDB interfaces which for now are getting transitional // constants. if (class_iid->Equals(NS_GET_IID(nsIIDBCursor)) || class_iid->Equals(NS_GET_IID(nsIIDBRequest)) || class_iid->Equals(NS_GET_IID(nsIIDBTransaction))) { rv = DefineIDBInterfaceConstants(cx, obj, class_iid); NS_ENSURE_SUCCESS(rv, rv); } return NS_OK; } NS_IMETHODIMP nsDOMConstructor::ToString(nsAString &aResult) { aResult.AssignLiteral("[object "); aResult.Append(mClassName); aResult.Append(PRUnichar(']')); return NS_OK; } static nsresult GetXPCProto(nsIXPConnect *aXPConnect, JSContext *cx, nsGlobalWindow *aWin, const nsGlobalNameStruct *aNameStruct, nsIXPConnectJSObjectHolder **aProto) { NS_ASSERTION(aNameStruct->mType == nsGlobalNameStruct::eTypeClassConstructor || aNameStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfo, "Wrong type!"); nsCOMPtr ci; if (aNameStruct->mType == nsGlobalNameStruct::eTypeClassConstructor) { int32_t id = aNameStruct->mDOMClassInfoID; NS_ABORT_IF_FALSE(id >= 0, "Negative DOM classinfo?!?"); nsDOMClassInfoID ci_id = (nsDOMClassInfoID)id; ci = NS_GetDOMClassInfoInstance(ci_id); // In most cases we want to find the wrapped native prototype in // aWin's scope and use that prototype for // ClassName.prototype. But in the case where we're setting up // "Window.prototype" or "ChromeWindow.prototype" we want to do // the look up in aWin's outer window's scope since the inner // window's wrapped native prototype comes from the outer // window's scope. if (ci_id == eDOMClassInfo_Window_id || ci_id == eDOMClassInfo_ModalContentWindow_id || ci_id == eDOMClassInfo_ChromeWindow_id) { nsGlobalWindow *scopeWindow = aWin->GetOuterWindowInternal(); if (scopeWindow) { aWin = scopeWindow; } } } else { ci = nsDOMClassInfo::GetClassInfoInstance(aNameStruct->mData); } NS_ENSURE_TRUE(ci, NS_ERROR_UNEXPECTED); nsresult rv = aXPConnect->GetWrappedNativePrototype(cx, aWin->GetGlobalJSObject(), ci, aProto); NS_ENSURE_SUCCESS(rv, rv); JS::Rooted proto_obj(cx, (*aProto)->GetJSObject()); if (!JS_WrapObject(cx, proto_obj.address())) { return NS_ERROR_FAILURE; } NS_IF_RELEASE(*aProto); return aXPConnect->HoldObject(cx, proto_obj, aProto); } // Either ci_data must be non-null or name_struct must be non-null and of type // eTypeClassProto. static nsresult ResolvePrototype(nsIXPConnect *aXPConnect, nsGlobalWindow *aWin, JSContext *cx, JS::Handle obj, const PRUnichar *name, const nsDOMClassInfoData *ci_data, const nsGlobalNameStruct *name_struct, nsScriptNameSpaceManager *nameSpaceManager, JSObject* aDot_prototype, bool install, bool *did_resolve) { JS::Rooted dot_prototype(cx, aDot_prototype); NS_ASSERTION(ci_data || (name_struct && name_struct->mType == nsGlobalNameStruct::eTypeClassProto), "Wrong type or missing ci_data!"); nsRefPtr constructor; nsresult rv = nsDOMConstructor::Create(name, ci_data, name_struct, aWin, getter_AddRefs(constructor)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr holder; JS::Rooted v(cx); rv = WrapNative(cx, obj, constructor, &NS_GET_IID(nsIDOMDOMConstructor), false, v.address(), getter_AddRefs(holder)); NS_ENSURE_SUCCESS(rv, rv); if (install) { rv = constructor->Install(cx, obj, v); NS_ENSURE_SUCCESS(rv, rv); } JS::Rooted class_obj(cx, holder->GetJSObject()); NS_ASSERTION(class_obj, "The return value lied"); const nsIID *primary_iid = &NS_GET_IID(nsISupports); if (!ci_data) { primary_iid = &name_struct->mIID; } else if (ci_data->mProtoChainInterface) { primary_iid = ci_data->mProtoChainInterface; } nsCOMPtr if_info; nsCOMPtr parent; const char *class_parent_name = nullptr; if (!primary_iid->Equals(NS_GET_IID(nsISupports))) { JSAutoCompartment ac(cx, class_obj); rv = DefineInterfaceConstants(cx, class_obj, primary_iid); NS_ENSURE_SUCCESS(rv, rv); // Special case for |IDBKeyRange| which gets funny "static" functions. if (primary_iid->Equals(NS_GET_IID(nsIIDBKeyRange)) && !indexedDB::IDBKeyRange::DefineConstructors(cx, class_obj)) { return NS_ERROR_FAILURE; } // Special case a few IDB interfaces which for now are getting transitional // constants. if (primary_iid->Equals(NS_GET_IID(nsIIDBCursor)) || primary_iid->Equals(NS_GET_IID(nsIIDBRequest)) || primary_iid->Equals(NS_GET_IID(nsIIDBTransaction))) { rv = DefineIDBInterfaceConstants(cx, class_obj, primary_iid); NS_ENSURE_SUCCESS(rv, rv); } nsCOMPtr iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID)); NS_ENSURE_TRUE(iim, NS_ERROR_NOT_AVAILABLE); iim->GetInfoForIID(primary_iid, getter_AddRefs(if_info)); NS_ENSURE_TRUE(if_info, NS_ERROR_UNEXPECTED); const nsIID *iid = nullptr; if (ci_data && !ci_data->mHasClassInterface) { if_info->GetIIDShared(&iid); } else { if_info->GetParent(getter_AddRefs(parent)); NS_ENSURE_TRUE(parent, NS_ERROR_UNEXPECTED); parent->GetIIDShared(&iid); } if (iid) { if (!iid->Equals(NS_GET_IID(nsISupports))) { if (ci_data && !ci_data->mHasClassInterface) { // If the class doesn't have a class interface the primary // interface is the interface that should be // constructor.prototype.__proto__. if_info->GetNameShared(&class_parent_name); } else { // If the class does have a class interface (or there's no // real class for this name) then the parent of the // primary interface is what we want on // constructor.prototype.__proto__. NS_ASSERTION(parent, "Whoa, this is bad, null parent here!"); parent->GetNameShared(&class_parent_name); } } } } { JS::Rooted winobj(cx, aWin->FastGetGlobalJSObject()); JS::Rooted proto(cx); if (class_parent_name) { JSAutoCompartment ac(cx, winobj); JS::Rooted val(cx); if (!JS_LookupProperty(cx, winobj, CutPrefix(class_parent_name), val.address())) { return NS_ERROR_UNEXPECTED; } if (val.isObject()) { if (!JS_LookupProperty(cx, &val.toObject(), "prototype", val.address())) { return NS_ERROR_UNEXPECTED; } if (val.isObject()) { proto = &val.toObject(); } } } if (dot_prototype) { JSAutoCompartment ac(cx, dot_prototype); JS::Rooted xpc_proto_proto(cx); if (!::JS_GetPrototype(cx, dot_prototype, xpc_proto_proto.address())) { return NS_ERROR_UNEXPECTED; } if (proto && (!xpc_proto_proto || JS_GetClass(xpc_proto_proto) == sObjectClass)) { if (!JS_WrapObject(cx, proto.address()) || !JS_SetPrototype(cx, dot_prototype, proto)) { return NS_ERROR_UNEXPECTED; } } } else { JSAutoCompartment ac(cx, winobj); if (!proto) { proto = JS_GetObjectPrototype(cx, winobj); } dot_prototype = ::JS_NewObjectWithUniqueType(cx, &sDOMConstructorProtoClass, proto, winobj); NS_ENSURE_TRUE(dot_prototype, NS_ERROR_OUT_OF_MEMORY); } } v = OBJECT_TO_JSVAL(dot_prototype); JSAutoCompartment ac(cx, class_obj); // Per ECMA, the prototype property is {DontEnum, DontDelete, ReadOnly} if (!JS_WrapValue(cx, v.address()) || !JS_DefineProperty(cx, class_obj, "prototype", v, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_PERMANENT | JSPROP_READONLY)) { return NS_ERROR_UNEXPECTED; } *did_resolve = true; return NS_OK; } static bool OldBindingConstructorEnabled(const nsGlobalNameStruct *aStruct, nsGlobalWindow *aWin) { MOZ_ASSERT(aStruct->mType == nsGlobalNameStruct::eTypeClassConstructor || aStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfo); // Don't expose chrome only constructors to content windows. if (aStruct->mChromeOnly && !nsContentUtils::IsSystemPrincipal(aWin->GetPrincipal())) { return false; } // Don't expose CSSSupportsRule unless @supports processing is enabled. if (aStruct->mDOMClassInfoID == eDOMClassInfo_CSSSupportsRule_id) { if (!CSSSupportsRule::PrefEnabled()) { return false; } } return true; } // static nsresult nsWindowSH::GlobalResolve(nsGlobalWindow *aWin, JSContext *cx, JS::Handle obj, JS::Handle id, bool *did_resolve) { *did_resolve = false; nsScriptNameSpaceManager *nameSpaceManager = nsJSRuntime::GetNameSpaceManager(); NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED); nsDependentJSString name(id); const PRUnichar *class_name = nullptr; const nsGlobalNameStruct *name_struct = nameSpaceManager->LookupName(name, &class_name); if (!name_struct) { return NS_OK; } NS_ENSURE_TRUE(class_name, NS_ERROR_UNEXPECTED); nsresult rv = NS_OK; if (name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfoCreator) { rv = GetExternalClassInfo(nameSpaceManager, name, name_struct, &name_struct); if (NS_FAILED(rv) || !name_struct) { return rv; } } if (name_struct->mType == nsGlobalNameStruct::eTypeNewDOMBinding || name_struct->mType == nsGlobalNameStruct::eTypeInterface || name_struct->mType == nsGlobalNameStruct::eTypeClassProto || name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { // Lookup new DOM bindings. mozilla::dom::DefineInterface define = name_struct->mDefineDOMInterface; if (define) { if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor && !OldBindingConstructorEnabled(name_struct, aWin)) { return NS_OK; } Maybe ac; JS::Rooted global(cx); bool defineOnXray = xpc::WrapperFactory::IsXrayWrapper(obj); if (defineOnXray) { global = js::CheckedUnwrap(obj, /* stopAtOuter = */ false); if (!global) { return NS_ERROR_DOM_SECURITY_ERR; } ac.construct(cx, global); } else { global = obj; } // Check whether our constructor is enabled after we unwrap Xrays, since // we don't want to define an interface on the Xray if it's disabled in // the target global, even if it's enabled in the Xray's global. if (name_struct->mConstructorEnabled && !(*name_struct->mConstructorEnabled)(cx, global)) { return NS_OK; } bool enabled; JS::Rooted interfaceObject(cx, define(cx, global, id, &enabled)); if (enabled) { if (!interfaceObject) { return NS_ERROR_FAILURE; } if (defineOnXray) { // This really should be handled by the Xray for the window. ac.destroy(); if (!JS_WrapObject(cx, interfaceObject.address()) || !JS_DefinePropertyById(cx, obj, id, JS::ObjectValue(*interfaceObject), JS_PropertyStub, JS_StrictPropertyStub, 0)) { return NS_ERROR_FAILURE; } } *did_resolve = true; return NS_OK; } } } if (name_struct->mType == nsGlobalNameStruct::eTypeInterface) { // We're resolving a name of a DOM interface for which there is no // direct DOM class, create a constructor object... nsRefPtr constructor; rv = nsDOMConstructor::Create(class_name, nullptr, name_struct, static_cast(aWin), getter_AddRefs(constructor)); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr holder; JS::Rooted v(cx); rv = WrapNative(cx, obj, constructor, &NS_GET_IID(nsIDOMDOMConstructor), false, v.address(), getter_AddRefs(holder)); NS_ENSURE_SUCCESS(rv, rv); rv = constructor->Install(cx, obj, v); NS_ENSURE_SUCCESS(rv, rv); JS::Rooted class_obj(cx, holder->GetJSObject()); NS_ASSERTION(class_obj, "The return value lied"); // ... and define the constants from the DOM interface on that // constructor object. JSAutoCompartment ac(cx, class_obj); rv = DefineInterfaceConstants(cx, class_obj, &name_struct->mIID); NS_ENSURE_SUCCESS(rv, rv); *did_resolve = true; return NS_OK; } if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor || name_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { if (!OldBindingConstructorEnabled(name_struct, aWin)) { return NS_OK; } // Create the XPConnect prototype for our classinfo, PostCreateProto will // set up the prototype chain. nsCOMPtr proto_holder; rv = GetXPCProto(sXPConnect, cx, aWin, name_struct, getter_AddRefs(proto_holder)); if (NS_SUCCEEDED(rv) && obj != aWin->GetGlobalJSObject()) { JS::Rooted dot_prototype(cx, proto_holder->GetJSObject()); NS_ENSURE_STATE(dot_prototype); const nsDOMClassInfoData *ci_data; if (name_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { ci_data = &sClassInfoData[name_struct->mDOMClassInfoID]; } else { ci_data = name_struct->mData; } return ResolvePrototype(sXPConnect, aWin, cx, obj, class_name, ci_data, name_struct, nameSpaceManager, dot_prototype, true, did_resolve); } *did_resolve = NS_SUCCEEDED(rv); return rv; } if (name_struct->mType == nsGlobalNameStruct::eTypeClassProto) { // We don't have a XPConnect prototype object, let ResolvePrototype create // one. return ResolvePrototype(sXPConnect, aWin, cx, obj, class_name, nullptr, name_struct, nameSpaceManager, nullptr, true, did_resolve); } if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) { const nsGlobalNameStruct *alias_struct = nameSpaceManager->GetConstructorProto(name_struct); NS_ENSURE_TRUE(alias_struct, NS_ERROR_UNEXPECTED); // We need to use the XPConnect prototype for the DOM class that this // constructor is an alias for (for example for Image we need the prototype // for HTMLImageElement). nsCOMPtr proto_holder; rv = GetXPCProto(sXPConnect, cx, aWin, alias_struct, getter_AddRefs(proto_holder)); NS_ENSURE_SUCCESS(rv, rv); JSObject* dot_prototype = proto_holder->GetJSObject(); NS_ENSURE_STATE(dot_prototype); const nsDOMClassInfoData *ci_data; if (alias_struct->mType == nsGlobalNameStruct::eTypeClassConstructor) { ci_data = &sClassInfoData[alias_struct->mDOMClassInfoID]; } else if (alias_struct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) { ci_data = alias_struct->mData; } else { return NS_ERROR_UNEXPECTED; } return ResolvePrototype(sXPConnect, aWin, cx, obj, class_name, ci_data, name_struct, nameSpaceManager, nullptr, true, did_resolve); } if (name_struct->mType == nsGlobalNameStruct::eTypeExternalConstructor) { nsRefPtr constructor; rv = nsDOMConstructor::Create(class_name, nullptr, name_struct, static_cast(aWin), getter_AddRefs(constructor)); NS_ENSURE_SUCCESS(rv, rv); JS::Rooted val(cx); nsCOMPtr holder; rv = WrapNative(cx, obj, constructor, &NS_GET_IID(nsIDOMDOMConstructor), false, val.address(), getter_AddRefs(holder)); NS_ENSURE_SUCCESS(rv, rv); rv = constructor->Install(cx, obj, val); NS_ENSURE_SUCCESS(rv, rv); NS_ASSERTION(holder->GetJSObject(), "Why didn't we get a JSObject?"); *did_resolve = true; return NS_OK; } if (name_struct->mType == nsGlobalNameStruct::eTypeProperty) { if (name_struct->mChromeOnly && !nsContentUtils::IsCallerChrome()) return NS_OK; // Before defining a global property, check for a named subframe of the // same name. If it exists, we don't want to shadow it. nsCOMPtr childWin = aWin->GetChildWindow(name); if (childWin) return NS_OK; nsCOMPtr native(do_CreateInstance(name_struct->mCID, &rv)); NS_ENSURE_SUCCESS(rv, rv); JS::Rooted prop_val(cx, JS::UndefinedValue()); // Property value. nsCOMPtr holder; nsCOMPtr gpi(do_QueryInterface(native)); if (gpi) { rv = gpi->Init(aWin, prop_val.address()); NS_ENSURE_SUCCESS(rv, rv); } if (JSVAL_IS_PRIMITIVE(prop_val) && !JSVAL_IS_NULL(prop_val)) { JSObject *scope; if (aWin->IsOuterWindow()) { nsGlobalWindow *inner = aWin->GetCurrentInnerWindowInternal(); NS_ENSURE_TRUE(inner, NS_ERROR_UNEXPECTED); scope = inner->GetGlobalJSObject(); } else { scope = aWin->GetGlobalJSObject(); } rv = WrapNative(cx, scope, native, true, prop_val.address(), getter_AddRefs(holder)); } NS_ENSURE_SUCCESS(rv, rv); if (!JS_WrapValue(cx, prop_val.address())) { return NS_ERROR_UNEXPECTED; } JSBool ok = ::JS_DefinePropertyById(cx, obj, id, prop_val, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE); *did_resolve = true; return ok ? NS_OK : NS_ERROR_FAILURE; } if (name_struct->mType == nsGlobalNameStruct::eTypeDynamicNameSet) { nsCOMPtr nameset = do_CreateInstance(name_struct->mCID, &rv); NS_ENSURE_SUCCESS(rv, rv); nsIScriptContext *context = aWin->GetContext(); NS_ENSURE_TRUE(context, NS_ERROR_UNEXPECTED); rv = nameset->InitializeNameSet(context); *did_resolve = true; } return rv; } // Native code for window._content getter, this simply maps // window._content to window.content for backwards compatibility only. static JSBool ContentWindowGetter(JSContext *cx, unsigned argc, jsval *vp) { JSObject *obj = JS_THIS_OBJECT(cx, vp); if (!obj) return JS_FALSE; return ::JS_GetProperty(cx, obj, "content", vp); } template static nsresult LocationSetterGuts(JSContext *cx, JSObject *obj, jsval *vp) { // This function duplicates some of the logic in XPC_WN_HelperSetProperty obj = js::CheckedUnwrap(obj, /* stopAtOuter = */ false); if (!IS_WN_REFLECTOR(obj)) return NS_ERROR_XPC_BAD_CONVERT_JS; XPCWrappedNative *wrapper = XPCWrappedNative::Get(obj); // The error checks duplicate code in THROW_AND_RETURN_IF_BAD_WRAPPER NS_ENSURE_TRUE(!wrapper || wrapper->IsValid(), NS_ERROR_XPC_HAS_BEEN_SHUTDOWN); nsCOMPtr xpcomObj = do_QueryWrappedNative(wrapper, obj); NS_ENSURE_TRUE(xpcomObj, NS_ERROR_UNEXPECTED); nsCOMPtr location; nsresult rv = xpcomObj->GetLocation(getter_AddRefs(location)); NS_ENSURE_SUCCESS(rv, rv); // Grab the value we're being set to before we stomp on |vp| JS::Rooted val(cx, ::JS_ValueToString(cx, *vp)); NS_ENSURE_TRUE(val, NS_ERROR_UNEXPECTED); // Make sure |val| stays alive below JS::Anchor anchor(val); // We have to wrap location into vp before null-checking location, to // avoid assigning the wrong thing into the slot. nsCOMPtr holder; rv = WrapNative(cx, JS_GetGlobalForScopeChain(cx), location, &NS_GET_IID(nsIDOMLocation), true, vp, getter_AddRefs(holder)); NS_ENSURE_SUCCESS(rv, rv); if (!location) { // Make this a no-op return NS_OK; } nsDependentJSString depStr; NS_ENSURE_TRUE(depStr.init(cx, val), NS_ERROR_UNEXPECTED); return location->SetHref(depStr); } template static JSBool LocationSetter(JSContext *cx, JS::Handle obj, JS::Handle id, JSBool strict, JS::MutableHandle vp) { nsresult rv = LocationSetterGuts(cx, obj, vp.address()); if (NS_FAILED(rv)) { xpc::Throw(cx, rv); return JS_FALSE; } return JS_TRUE; } static JSBool LocationSetterUnwrapper(JSContext *cx, JS::Handle obj_, JS::Handle id, JSBool strict, JS::MutableHandle vp) { JS::RootedObject obj(cx, obj_); JSObject *wrapped = XPCWrapper::UnsafeUnwrapSecurityWrapper(obj); if (wrapped) { obj = wrapped; } return LocationSetter(cx, obj, id, strict, vp); } struct InterfaceShimEntry { const char *geckoName; const char *domName; }; // We add shims from Components.interfaces.nsIDOMFoo to window.Foo for each // interface that has interface constants that sites might be getting off // of Ci. const InterfaceShimEntry kInterfaceShimMap[] = { { "nsIDOMFileReader", "FileReader" }, { "nsIXMLHttpRequest", "XMLHttpRequest" }, { "nsIDOMDOMException", "DOMException" }, { "nsIDOMNode", "Node" }, { "nsIDOMUserDataHandler", "UserDataHandler" }, { "nsIDOMCSSPrimitiveValue", "CSSPrimitiveValue" }, { "nsIDOMCSSRule", "CSSRule" }, { "nsIDOMCSSValue", "CSSValue" }, { "nsIDOMEvent", "Event" }, { "nsIDOMNSEvent", "Event" }, { "nsIDOMKeyEvent", "KeyEvent" }, { "nsIDOMMouseEvent", "MouseEvent" }, { "nsIDOMMouseScrollEvent", "MouseScrollEvent" }, { "nsIDOMMutationEvent", "MutationEvent" }, { "nsIDOMSimpleGestureEvent", "SimpleGestureEvent" }, { "nsIDOMUIEvent", "UIEvent" }, { "nsIDOMGeoPositionError", "GeoPositionError" }, { "nsIDOMHTMLMediaElement", "HTMLMediaElement" }, { "nsIDOMMediaError", "MediaError" }, { "nsIDOMLoadStatus", "LoadStatus" }, { "nsIDOMOfflineResourceList", "OfflineResourceList" }, { "nsIDOMRange", "Range" }, { "nsIDOMSVGFETurbulenceElement", "SVGFETurbulenceElement" }, { "nsIDOMSVGFEMorphologyElement", "SVGFEMorphologyElement" }, { "nsIDOMSVGFEConvolveMatrixElement", "SVGFEConvolveMatrixElement" }, { "nsIDOMSVGFEDisplacementMapElement", "SVGFEDisplacementMapElement" }, { "nsIDOMSVGLength", "SVGLength" }, { "nsIDOMSVGUnitTypes", "SVGUnitTypes" }, { "nsIDOMNodeFilter", "NodeFilter" }, { "nsIDOMXPathNamespace", "XPathNamespace" }, { "nsIDOMXPathResult", "XPathResult" }, { "nsIDOMXULButtonElement", "XULButtonElement" }, { "nsIDOMXULCheckboxElement", "XULCheckboxElement" }, { "nsIDOMXULPopupElement", "XULPopupElement" } }; static nsresult DefineComponentsShim(JSContext *cx, JS::HandleObject global) { // Keep track of how often this happens. Telemetry::Accumulate(Telemetry::COMPONENTS_SHIM_ACCESSED_BY_CONTENT, true); // Create a fake Components object. JS::Rooted components(cx, JS_NewObject(cx, nullptr, nullptr, global)); NS_ENSURE_TRUE(components, NS_ERROR_OUT_OF_MEMORY); bool ok = JS_DefineProperty(cx, global, "Components", JS::ObjectValue(*components), JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE); NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY); // Create a fake interfaces object. JS::Rooted interfaces(cx, JS_NewObject(cx, nullptr, nullptr, global)); NS_ENSURE_TRUE(interfaces, NS_ERROR_OUT_OF_MEMORY); ok = JS_DefineProperty(cx, components, "interfaces", JS::ObjectValue(*interfaces), JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY); NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY); // Define a bunch of shims from the Ci.nsIDOMFoo to window.Foo for DOM // interfaces with constants. for (uint32_t i = 0; i < ArrayLength(kInterfaceShimMap); ++i) { // Grab the names from the table. const char *geckoName = kInterfaceShimMap[i].geckoName; const char *domName = kInterfaceShimMap[i].domName; // Look up the appopriate interface object on the global. JS::Rooted v(cx, JS::UndefinedValue()); ok = JS_GetProperty(cx, global, domName, v.address()); NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY); if (!v.isObject()) { NS_WARNING("Unable to find interface object on global"); continue; } // Define the shim on the interfaces object. ok = JS_DefineProperty(cx, interfaces, geckoName, v, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY); NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY); } return NS_OK; } NS_IMETHODIMP nsWindowSH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj_, jsid id_, uint32_t flags, JSObject **objp, bool *_retval) { JS::RootedObject obj(cx, obj_); JS::RootedId id(cx, id_); if (!JSID_IS_STRING(id)) { return NS_OK; } MOZ_ASSERT(*_retval == true); // guaranteed by XPC_WN_Helper_NewResolve if (id == XPCJSRuntime::Get()->GetStringID(XPCJSRuntime::IDX_COMPONENTS)) { *objp = obj; return DefineComponentsShim(cx, obj); } nsGlobalWindow *win = nsGlobalWindow::FromWrapper(wrapper); MOZ_ASSERT(win->IsInnerWindow()); nsIScriptContext *my_context = win->GetContextInternal(); // Don't resolve standard classes on XrayWrappers, only resolve them if we're // resolving on the real global object. if (!xpc::WrapperFactory::IsXrayWrapper(obj)) { JSBool did_resolve = JS_FALSE; JSBool ok = JS_TRUE; JS::Rooted exn(cx, JSVAL_VOID); { // Resolve standard classes on my_context's JSContext (or on cx, // if we don't have a my_context yet), in case the two contexts // have different origins. We want lazy standard class // initialization to behave as if it were done eagerly, on each // window's own context (not on some other window-caller's // context). AutoPushJSContext my_cx(my_context ? my_context->GetNativeContext() : cx); JSAutoCompartment ac(my_cx, obj); ok = JS_ResolveStandardClass(my_cx, obj, id, &did_resolve); if (!ok) { // Trust the JS engine (or the script security manager) to set // the exception in the JS engine. if (!JS_GetPendingException(my_cx, exn.address())) { return NS_ERROR_UNEXPECTED; } // Return NS_OK to avoid stomping over the exception that was passed // down from the ResolveStandardClass call. // Note that the order of the JS_ClearPendingException and // JS_SetPendingException is important in the case that my_cx == cx. JS_ClearPendingException(my_cx); } } if (!ok) { JS_SetPendingException(cx, exn); *_retval = JS_FALSE; return NS_OK; } if (did_resolve) { *objp = obj; return NS_OK; } } // We want this code to be before the child frame lookup code // below so that a child frame named 'constructor' doesn't // shadow the window's constructor property. if (sConstructor_id == id) { return ResolveConstructor(cx, obj, objp); } if (!my_context || !my_context->IsContextInitialized()) { // The context is not yet initialized so there's nothing we can do // here yet. return NS_OK; } if (sLocation_id == id) { // This must be done even if we're just getting the value of // window.location (i.e. no checking flags & JSRESOLVE_ASSIGNING // here) since we must define window.location to prevent the // getter from being overriden (for security reasons). nsCOMPtr location; nsresult rv = win->GetLocation(getter_AddRefs(location)); NS_ENSURE_SUCCESS(rv, rv); // Make sure we wrap the location object in the window's scope. JS::Rooted scope(cx, wrapper->GetJSObject()); nsCOMPtr holder; JS::Rooted v(cx); rv = WrapNative(cx, scope, location, &NS_GET_IID(nsIDOMLocation), true, v.address(), getter_AddRefs(holder)); NS_ENSURE_SUCCESS(rv, rv); JSBool ok = JS_WrapValue(cx, v.address()) && JS_DefinePropertyById(cx, obj, id, v, JS_PropertyStub, LocationSetterUnwrapper, JSPROP_PERMANENT | JSPROP_ENUMERATE); if (!ok) { return NS_ERROR_FAILURE; } *objp = obj; return NS_OK; } if (sTop_id == id) { nsCOMPtr top; nsresult rv = win->GetScriptableTop(getter_AddRefs(top)); NS_ENSURE_SUCCESS(rv, rv); JS::Rooted v(cx); nsCOMPtr holder; rv = WrapNative(cx, obj, top, &NS_GET_IID(nsIDOMWindow), true, v.address(), getter_AddRefs(holder)); NS_ENSURE_SUCCESS(rv, rv); // Hold on to the top window object as a global property so we // don't need to worry about losing expando properties etc. if (!JS_DefinePropertyById(cx, obj, id, v, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_READONLY | JSPROP_PERMANENT | JSPROP_ENUMERATE)) { return NS_ERROR_FAILURE; } *objp = obj; return NS_OK; } // Handle resolving if id refers to a name resolved by DOM worker code. JS::RootedObject tmp(cx, NULL); if (!ResolveWorkerClasses(cx, obj, id, flags, &tmp)) { return NS_ERROR_FAILURE; } if (tmp) { *objp = tmp; return NS_OK; } // Check for names managed by the script namespace manager. Call // GlobalResolve() after we call FindChildWithName() so that named child // frames will override external properties which have been registered with // the script namespace manager -- pages must be able to depend on frame // names working no matter how Gecko's been configured. bool did_resolve = false; nsresult rv = GlobalResolve(win, cx, obj, id, &did_resolve); NS_ENSURE_SUCCESS(rv, rv); if (did_resolve) { *objp = obj; return NS_OK; } // NB: By accident, we previously didn't support this over Xrays. This is a // deprecated non-standard feature, so there's no reason to start doing so // now. if ((s_content_id == id) && !xpc::WrapperFactory::IsXrayWrapper(obj)) { // Map window._content to window.content for backwards // compatibility, this should spit out an message on the JS // console. JS::Rooted funObj(cx); JSFunction *fun = ::JS_NewFunction(cx, ContentWindowGetter, 0, 0, obj, "_content"); if (!fun) { return NS_ERROR_OUT_OF_MEMORY; } funObj = ::JS_GetFunctionObject(fun); if (!JS_WrapObject(cx, funObj.address()) || !JS_DefinePropertyById(cx, obj, id, JSVAL_VOID, JS_DATA_TO_FUNC_PTR(JSPropertyOp, funObj.get()), JS_StrictPropertyStub, JSPROP_ENUMERATE | JSPROP_GETTER | JSPROP_SHARED)) { return NS_ERROR_FAILURE; } *objp = obj; return NS_OK; } if (flags & JSRESOLVE_ASSIGNING) { if (IsReadonlyReplaceable(id)) { // A readonly "replaceable" property is being set. Define the property // on obj with the value undefined to override the predefined property. // This isn't quite what WebIDL requires for [Replaceable] properties, // but it'll do until we move Window over to the new DOM bindings. if (!::JS_DefinePropertyById(cx, obj, id, JSVAL_VOID, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE)) { return NS_ERROR_FAILURE; } *objp = obj; return NS_OK; } } else { if (sNavigator_id == id) { nsCOMPtr navigator; rv = win->GetNavigator(getter_AddRefs(navigator)); NS_ENSURE_SUCCESS(rv, rv); JS::Rooted v(cx); nsCOMPtr holder; rv = WrapNative(cx, obj, navigator, &NS_GET_IID(nsIDOMNavigator), true, v.address(), getter_AddRefs(holder)); NS_ENSURE_SUCCESS(rv, rv); // Hold on to the navigator object as a global property so we // don't need to worry about losing expando properties etc. if (!::JS_DefinePropertyById(cx, obj, id, v, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_READONLY | JSPROP_PERMANENT | JSPROP_ENUMERATE)) { return NS_ERROR_FAILURE; } *objp = obj; return NS_OK; } if (sDocument_id == id) { nsCOMPtr document = win->GetDoc(); JS::Rooted v(cx); nsCOMPtr holder; rv = WrapNative(cx, JS_GetGlobalForScopeChain(cx), document, document, &NS_GET_IID(nsIDOMDocument), v.address(), getter_AddRefs(holder), false); NS_ENSURE_SUCCESS(rv, rv); // The PostCreate hook for the document will handle defining the // property *objp = obj; // NB: We need to do this for any Xray wrapper. if (xpc::WrapperFactory::IsXrayWrapper(obj)) { // Unless our object is a native wrapper, in which case we have to // define it ourselves. *_retval = JS_WrapValue(cx, v.address()) && JS_DefineProperty(cx, obj, "document", v, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_READONLY | JSPROP_ENUMERATE); if (!*_retval) { return NS_ERROR_UNEXPECTED; } } return NS_OK; } } rv = nsDOMGenericSH::NewResolve(wrapper, cx, obj, id, flags, objp, _retval); if (NS_FAILED(rv) || *objp) { // Something went wrong, or the property got resolved. Return. return rv; } // Make a fast expando if we're assigning to (not declaring or // binding a name) a new undefined property that's not already // defined on our prototype chain. This way we can access this // expando w/o ever getting back into XPConnect. if (flags & JSRESOLVE_ASSIGNING) { JS::Rooted realObj(cx, wrapper->GetJSObject()); if (obj == realObj) { JS::Rooted proto(cx); if (!js::GetObjectProto(cx, obj, &proto)) { *_retval = JS_FALSE; return NS_OK; } if (proto) { JS::Rooted pobj(cx); JS::Rooted val(cx); if (!::JS_LookupPropertyWithFlagsById(cx, proto, id, flags, pobj.address(), val.address())) { *_retval = JS_FALSE; return NS_OK; } if (pobj) { // A property was found on the prototype chain. *objp = pobj; return NS_OK; } } // Define a fast expando. The key here is to use JS_PropertyStub as the // getter/setter, which makes us stay out of XPConnect when using this // property. // // We're adding a new property here, so we don't need to worry about // conflicting with any existing ones. // // Since we always create the undeclared property here, shortcutting the // normal process, we go out of our way to tell the JS engine to report // strict warnings/errors using js::ReportIfUndeclaredVarAssignment. JS::Rooted str(cx, JSID_TO_STRING(id)); if (!js::ReportIfUndeclaredVarAssignment(cx, str) || !::JS_DefinePropertyById(cx, obj, id, JSVAL_VOID, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE)) { *_retval = JS_FALSE; return NS_OK; } *objp = obj; } } return NS_OK; } NS_IMETHODIMP nsWindowSH::Finalize(nsIXPConnectWrappedNative *wrapper, JSFreeOp *fop, JSObject *obj) { nsCOMPtr sgo(do_QueryWrappedNative(wrapper)); NS_ENSURE_TRUE(sgo, NS_ERROR_UNEXPECTED); sgo->OnFinalize(obj); return NS_OK; } NS_IMETHODIMP nsWindowSH::OuterObject(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JSObject * obj, JSObject * *_retval) { nsGlobalWindow *origWin = nsGlobalWindow::FromWrapper(wrapper); nsGlobalWindow *win = origWin->GetOuterWindowInternal(); if (!win) { // If we no longer have an outer window. No code should ever be // running on a window w/o an outer, which means this hook should // never be called when we have no outer. But just in case, return // null to prevent leaking an inner window to code in a different // window. *_retval = nullptr; return NS_ERROR_UNEXPECTED; } JS::Rooted winObj(cx, win->FastGetGlobalJSObject()); MOZ_ASSERT(winObj); // Note that while |wrapper| is same-compartment with cx, the outer window // might not be. If we're running script in an inactive scope and evalute // |this|, the outer window is actually a cross-compartment wrapper. So we // need to wrap here. if (!JS_WrapObject(cx, winObj.address())) { *_retval = nullptr; return NS_ERROR_UNEXPECTED; } *_retval = winObj; return NS_OK; } // DOM Location helper NS_IMETHODIMP nsLocationSH::CheckAccess(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid id, uint32_t mode, jsval *vp, bool *_retval) { if ((mode & JSACC_TYPEMASK) == JSACC_PROTO && (mode & JSACC_WRITE)) { // No setting location.__proto__, ever! // Let XPConnect know that the access was not granted. *_retval = false; return NS_ERROR_DOM_SECURITY_ERR; } return nsDOMGenericSH::CheckAccess(wrapper, cx, obj, id, mode, vp, _retval); } NS_IMETHODIMP nsLocationSH::PreCreate(nsISupports *nativeObj, JSContext *cx, JSObject *globalObj, JSObject **parentObj) { // window.location can be held onto by both evil pages that want to track the // user's progress on the web and bookmarklets that want to use the location // object. Parent it to the outer window so that access checks do the Right // Thing. *parentObj = globalObj; nsCOMPtr safeLoc(do_QueryInterface(nativeObj)); if (!safeLoc) { // Oops, this wasn't really a location object. This can happen if someone // tries to use our scriptable helper as a real object and tries to wrap // it, see bug 319296 return NS_OK; } nsLocation *loc = (nsLocation *)safeLoc.get(); nsIDocShell *ds = loc->GetDocShell(); if (!ds) { NS_WARNING("Refusing to create a location in the wrong scope"); return NS_ERROR_UNEXPECTED; } nsCOMPtr sgo = do_GetInterface(ds); if (!sgo) { NS_WARNING("Refusing to create a location in the wrong scope because the " "docshell is being destroyed"); return NS_ERROR_UNEXPECTED; } *parentObj = sgo->GetGlobalJSObject(); return *parentObj ? NS_OK : NS_ERROR_FAILURE; } NS_IMETHODIMP nsLocationSH::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid aId, jsval *vp, bool *_retval) { // Shadowing protection. This will go away when nsLocation moves to the new // bindings. JS::Rooted id(cx, aId); if (wrapper->HasNativeMember(id)) { JS_ReportError(cx, "Permission denied to shadow native property"); return NS_ERROR_FAILURE; } return NS_OK; } // DOM Navigator helper NS_IMETHODIMP nsNavigatorSH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, jsid aId, uint32_t flags, JSObject **objp, bool *_retval) { JS::Rooted obj(cx, aObj); JS::Rooted id(cx, aId); if (!JSID_IS_STRING(id)) { return NS_OK; } nsScriptNameSpaceManager *nameSpaceManager = nsJSRuntime::GetNameSpaceManager(); NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED); nsDependentJSString name(id); const nsGlobalNameStruct* name_struct = nameSpaceManager->LookupNavigatorName(name); if (!name_struct) { return NS_OK; } if (name_struct->mType == nsGlobalNameStruct::eTypeNewDOMBinding) { mozilla::dom::ConstructNavigatorProperty construct = name_struct->mConstructNavigatorProperty; MOZ_ASSERT(construct); JS::Rooted naviObj(cx, js::CheckedUnwrap(obj, /* stopAtOuter = */ false)); NS_ENSURE_TRUE(naviObj, NS_ERROR_DOM_SECURITY_ERR); JS::Rooted domObject(cx); { JSAutoCompartment ac(cx, naviObj); // Check whether our constructor is enabled after we unwrap Xrays, since // we don't want to define an interface on the Xray if it's disabled in // the target global, even if it's enabled in the Xray's global. if (name_struct->mConstructorEnabled && !(*name_struct->mConstructorEnabled)(cx, naviObj)) { return NS_OK; } domObject = construct(cx, naviObj); if (!domObject) { return NS_ERROR_FAILURE; } } if (!JS_WrapObject(cx, domObject.address()) || !JS_DefinePropertyById(cx, obj, id, JS::ObjectValue(*domObject), nullptr, nullptr, JSPROP_ENUMERATE)) { return NS_ERROR_FAILURE; } *_retval = true; *objp = obj; return NS_OK; } NS_ASSERTION(name_struct->mType == nsGlobalNameStruct::eTypeNavigatorProperty, "unexpected type"); nsresult rv = NS_OK; nsCOMPtr native(do_CreateInstance(name_struct->mCID, &rv)); NS_ENSURE_SUCCESS(rv, rv); JS::Rooted prop_val(cx, JS::UndefinedValue()); // Property value. nsCOMPtr gpi(do_QueryInterface(native)); if (gpi) { nsCOMPtr navigator = do_QueryWrappedNative(wrapper); nsIDOMWindow *window = static_cast(navigator.get())->GetWindow(); NS_ENSURE_TRUE(window, NS_ERROR_UNEXPECTED); rv = gpi->Init(window, prop_val.address()); NS_ENSURE_SUCCESS(rv, rv); } if (JSVAL_IS_PRIMITIVE(prop_val) && !JSVAL_IS_NULL(prop_val)) { nsCOMPtr holder; rv = WrapNative(cx, obj, native, true, prop_val.address(), getter_AddRefs(holder)); NS_ENSURE_SUCCESS(rv, rv); } if (!JS_WrapValue(cx, prop_val.address())) { return NS_ERROR_UNEXPECTED; } JSBool ok = ::JS_DefinePropertyById(cx, obj, id, prop_val, JS_PropertyStub, JS_StrictPropertyStub, JSPROP_ENUMERATE); *_retval = true; *objp = obj; return ok ? NS_OK : NS_ERROR_FAILURE; } // static nsresult nsNavigatorSH::PreCreate(nsISupports *nativeObj, JSContext *cx, JSObject *globalObj, JSObject **parentObj) { // window.navigator can hold expandos and thus we need to only ever // create one wrapper per navigator object so that expandos are // visible independently of who's looking it up. *parentObj = globalObj; nsCOMPtr safeNav(do_QueryInterface(nativeObj)); if (!safeNav) { // Oops, this wasn't really a navigator object. This can happen if someone // tries to use our scriptable helper as a real object and tries to wrap // it, see bug 319296. return NS_OK; } Navigator *nav = static_cast(safeNav.get()); nsGlobalWindow *win = static_cast(nav->GetWindow()); if (!win) { NS_WARNING("Refusing to create a navigator in the wrong scope"); return NS_ERROR_UNEXPECTED; } return SetParentToWindow(win, parentObj); } // EventTarget helper NS_IMETHODIMP nsEventTargetSH::PreCreate(nsISupports *nativeObj, JSContext *cx, JSObject *aGlobalObj, JSObject **parentObj) { JS::Rooted globalObj(cx, aGlobalObj); nsDOMEventTargetHelper *target = nsDOMEventTargetHelper::FromSupports(nativeObj); nsCOMPtr native_parent; target->GetParentObject(getter_AddRefs(native_parent)); *parentObj = native_parent ? native_parent->GetGlobalJSObject() : globalObj; return *parentObj ? NS_OK : NS_ERROR_FAILURE; } NS_IMETHODIMP nsEventTargetSH::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid id, jsval *vp, bool *_retval) { nsEventTargetSH::PreserveWrapper(GetNative(wrapper, obj)); return NS_OK; } void nsEventTargetSH::PreserveWrapper(nsISupports *aNative) { nsDOMEventTargetHelper *target = nsDOMEventTargetHelper::FromSupports(aNative); target->PreserveWrapper(aNative); } // IDBEventTarget helper NS_IMETHODIMP IDBEventTargetSH::PreCreate(nsISupports *aNativeObj, JSContext *aCx, JSObject *aGlobalObj, JSObject **aParentObj) { JS::Rooted globalObj(aCx, aGlobalObj); IDBWrapperCache *target = IDBWrapperCache::FromSupports(aNativeObj); JSObject *parent = target->GetParentObject(); *aParentObj = parent ? parent : globalObj; return NS_OK; } // Generic array scriptable helper. NS_IMETHODIMP nsGenericArraySH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, jsid aId, uint32_t flags, JSObject **objp, bool *_retval) { JS::Rooted obj(cx, aObj); JS::Rooted id(cx, aId); if (id == sLength_id) { // Bail early; this isn't something we're interested in return NS_OK; } bool is_number = false; int32_t n = GetArrayIndexFromId(cx, id, &is_number); if (is_number && n >= 0) { // XXX The following is a cheap optimization to avoid hitting xpconnect to // get the length. We may want to consider asking our concrete // implementation for the length, and falling back onto the GetProperty if // it doesn't provide one. uint32_t length; nsresult rv = GetLength(wrapper, cx, obj, &length); NS_ENSURE_SUCCESS(rv, rv); uint32_t index = uint32_t(n); if (index < length) { *_retval = ::JS_DefineElement(cx, obj, index, JSVAL_VOID, nullptr, nullptr, JSPROP_ENUMERATE | JSPROP_SHARED); *objp = obj; } } return NS_OK; } nsresult nsGenericArraySH::GetLength(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, uint32_t *length) { *length = 0; JS::Rooted lenval(cx); if (!JS_GetProperty(cx, obj, "length", lenval.address())) { return NS_ERROR_UNEXPECTED; } if (!JSVAL_IS_INT(lenval)) { // This can apparently happen with some sparse array impls falling back // onto this code. return NS_OK; } int32_t slen = JSVAL_TO_INT(lenval); if (slen < 0) { return NS_OK; } *length = (uint32_t)slen; return NS_OK; } NS_IMETHODIMP nsGenericArraySH::Enumerate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, bool *_retval) { // Recursion protection in case someone tries to be smart and call // the enumerate hook from a user defined .length getter, or // somesuch. JS::Rooted obj(cx, aObj); static bool sCurrentlyEnumerating; if (sCurrentlyEnumerating) { // Don't recurse to death. return NS_OK; } sCurrentlyEnumerating = true; JS::Rooted len_val(cx); JSBool ok = ::JS_GetProperty(cx, obj, "length", len_val.address()); if (ok && JSVAL_IS_INT(len_val)) { int32_t length = JSVAL_TO_INT(len_val); for (int32_t i = 0; ok && i < length; ++i) { ok = ::JS_DefineElement(cx, obj, i, JSVAL_VOID, nullptr, nullptr, JSPROP_ENUMERATE | JSPROP_SHARED); } } sCurrentlyEnumerating = false; return ok ? NS_OK : NS_ERROR_UNEXPECTED; } // Array scriptable helper NS_IMETHODIMP nsArraySH::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, jsid aId, jsval *vp, bool *_retval) { JS::Rooted obj(cx, aObj); JS::Rooted id(cx, aId); bool is_number = false; int32_t n = GetArrayIndexFromId(cx, id, &is_number); nsresult rv = NS_OK; if (is_number) { if (n < 0) { return NS_ERROR_DOM_INDEX_SIZE_ERR; } // Make sure rv == NS_OK here, so GetItemAt implementations that never fail // don't have to set rv. rv = NS_OK; nsWrapperCache *cache = nullptr; nsISupports* array_item = GetItemAt(GetNative(wrapper, obj), n, &cache, &rv); NS_ENSURE_SUCCESS(rv, rv); if (array_item) { rv = WrapNative(cx, JS_GetGlobalForScopeChain(cx), array_item, cache, true, vp); NS_ENSURE_SUCCESS(rv, rv); rv = NS_SUCCESS_I_DID_SOMETHING; } } return rv; } // StringList scriptable helper nsresult nsStringListSH::GetStringAt(nsISupports *aNative, int32_t aIndex, nsAString& aResult) { nsCOMPtr list(do_QueryInterface(aNative)); NS_ENSURE_TRUE(list, NS_ERROR_UNEXPECTED); nsresult rv = list->Item(aIndex, aResult); #ifdef DEBUG if (DOMStringIsNull(aResult)) { uint32_t length = 0; list->GetLength(&length); NS_ASSERTION(uint32_t(aIndex) >= length, "Item should only return null for out-of-bounds access"); } #endif return rv; } // Named Array helper NS_IMETHODIMP nsNamedArraySH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, jsid aId, uint32_t flags, JSObject **objp, bool *_retval) { JS::Rooted obj(cx, aObj); JS::Rooted id(cx, aId); if ((!(JSRESOLVE_ASSIGNING & flags)) && JSID_IS_STRING(id) && !ObjectIsNativeWrapper(cx, obj)) { { JS::Rooted realObj(cx, wrapper ? wrapper->GetJSObject() : obj); JSAutoCompartment ac(cx, realObj); JS::Rooted proto(cx); if (!::JS_GetPrototype(cx, realObj, proto.address())) { return NS_ERROR_FAILURE; } if (proto) { JSBool hasProp; if (!::JS_HasPropertyById(cx, proto, id, &hasProp)) { *_retval = false; return NS_ERROR_FAILURE; } if (hasProp) { // We found the property we're resolving on the prototype, // nothing left to do here then. return NS_OK; } } } // Make sure rv == NS_OK here, so GetNamedItem implementations // that never fail don't have to set rv. nsresult rv = NS_OK; nsWrapperCache *cache; nsISupports* item = GetNamedItem(GetNative(wrapper, obj), nsDependentJSString(id), &cache, &rv); NS_ENSURE_SUCCESS(rv, rv); if (item) { *_retval = ::JS_DefinePropertyById(cx, obj, id, JSVAL_VOID, nullptr, nullptr, JSPROP_ENUMERATE | JSPROP_SHARED); *objp = obj; return *_retval ? NS_OK : NS_ERROR_FAILURE; } } return nsArraySH::NewResolve(wrapper, cx, obj, id, flags, objp, _retval); } NS_IMETHODIMP nsNamedArraySH::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, jsid aId, jsval *vp, bool *_retval) { JS::Rooted obj(cx, aObj); JS::Rooted id(cx, aId); if (JSID_IS_STRING(id) && !ObjectIsNativeWrapper(cx, obj)) { nsresult rv = NS_OK; nsWrapperCache *cache = nullptr; nsISupports* item = GetNamedItem(GetNative(wrapper, obj), nsDependentJSString(id), &cache, &rv); NS_ENSURE_SUCCESS(rv, rv); if (item) { rv = WrapNative(cx, JS_GetGlobalForScopeChain(cx), item, cache, true, vp); NS_ENSURE_SUCCESS(rv, rv); rv = NS_SUCCESS_I_DID_SOMETHING; } // Don't fall through to nsArraySH::GetProperty() here return rv; } return nsArraySH::GetProperty(wrapper, cx, obj, id, vp, _retval); } // HTMLAllCollection JSClass sHTMLDocumentAllClass = { "HTML document.all class", JSCLASS_HAS_PRIVATE | JSCLASS_PRIVATE_IS_NSISUPPORTS | JSCLASS_NEW_RESOLVE | JSCLASS_EMULATES_UNDEFINED | JSCLASS_HAS_RESERVED_SLOTS(1), JS_PropertyStub, /* addProperty */ JS_DeletePropertyStub, /* delProperty */ nsHTMLDocumentSH::DocumentAllGetProperty, /* getProperty */ JS_StrictPropertyStub, /* setProperty */ JS_EnumerateStub, (JSResolveOp)nsHTMLDocumentSH::DocumentAllNewResolve, JS_ConvertStub, nsHTMLDocumentSH::ReleaseDocument, nullptr, /* checkAccess */ nsHTMLDocumentSH::CallToGetPropMapper }; // static JSBool nsHTMLDocumentSH::GetDocumentAllNodeList(JSContext *cx, JS::Handle obj, nsDocument *domdoc, nsContentList **nodeList) { // The document.all object is a mix of the node list returned by // document.getElementsByTagName("*") and a map of elements in the // document exposed by their id and/or name. To make access to the // node list part (i.e. access to elements by index) not walk the // document each time, we create a nsContentList and hold on to it // in a reserved slot (0) on the document.all JSObject. nsresult rv = NS_OK; JS::Rooted collection(cx, JS_GetReservedSlot(obj, 0)); if (!JSVAL_IS_PRIMITIVE(collection)) { // We already have a node list in our reserved slot, use it. JS::Rooted obj(cx, JSVAL_TO_OBJECT(collection)); nsIHTMLCollection* htmlCollection; rv = mozilla::dom::UnwrapObject(cx, obj, htmlCollection); if (NS_SUCCEEDED(rv)) { NS_ADDREF(*nodeList = static_cast(htmlCollection)); } else { nsISupports *native = nsDOMClassInfo::XPConnect()->GetNativeOfWrapper(cx, obj); if (native) { NS_ADDREF(*nodeList = nsContentList::FromSupports(native)); rv = NS_OK; } else { rv = NS_ERROR_FAILURE; } } } else { // No node list for this document.all yet, create one... nsRefPtr list = domdoc->GetElementsByTagName(NS_LITERAL_STRING("*")); if (!list) { rv = NS_ERROR_OUT_OF_MEMORY; } nsCOMPtr holder; nsresult tmp = WrapNative(cx, JS_GetGlobalForScopeChain(cx), static_cast(list), list, false, collection.address(), getter_AddRefs(holder)); if (NS_FAILED(tmp)) { rv = tmp; } list.forget(nodeList); // ... and store it in our reserved slot. JS_SetReservedSlot(obj, 0, collection); } if (NS_FAILED(rv)) { xpc::Throw(cx, NS_ERROR_FAILURE); return JS_FALSE; } return *nodeList != nullptr; } JSBool nsHTMLDocumentSH::DocumentAllGetProperty(JSContext *cx, JS::Handle obj_, JS::Handle id, JS::MutableHandle vp) { JS::Rooted obj(cx, obj_); // document.all.item and .namedItem get their value in the // newResolve hook, so nothing to do for those properties here. And // we need to return early to prevent
from shadowing // document.all.item(), etc. if (nsDOMClassInfo::sItem_id == id || nsDOMClassInfo::sNamedItem_id == id) { return JS_TRUE; } JS::Rooted proto(cx); while (js::GetObjectJSClass(obj) != &sHTMLDocumentAllClass) { if (!js::GetObjectProto(cx, obj, &proto)) { return JS_FALSE; } if (!proto) { NS_ERROR("The JS engine lies!"); return JS_TRUE; } obj = proto; } nsHTMLDocument *doc = GetDocument(obj); nsISupports *result; nsWrapperCache *cache; nsresult rv = NS_OK; if (JSID_IS_STRING(id)) { if (nsDOMClassInfo::sLength_id == id) { // Map document.all.length to the length of the collection // document.getElementsByTagName("*"), and make sure
doesn't shadow document.all.length. nsRefPtr nodeList; if (!GetDocumentAllNodeList(cx, obj, doc, getter_AddRefs(nodeList))) { return JS_FALSE; } uint32_t length; rv = nodeList->GetLength(&length); if (NS_FAILED(rv)) { xpc::Throw(cx, rv); return JS_FALSE; } vp.set(INT_TO_JSVAL(length)); return JS_TRUE; } // For all other strings, look for an element by id or name. nsDependentJSString str(id); result = doc->GetDocumentAllResult(str, &cache, &rv); if (NS_FAILED(rv)) { xpc::Throw(cx, rv); return JS_FALSE; } } else if (JSID_IS_INT(id) && JSID_TO_INT(id) >= 0) { // Map document.all[n] (where n is a number) to the n:th item in // the document.all node list. nsRefPtr nodeList; if (!GetDocumentAllNodeList(cx, obj, doc, getter_AddRefs(nodeList))) { return JS_FALSE; } nsIContent *node = nodeList->Item(JSID_TO_INT(id)); result = node; cache = node; } else { result = nullptr; } if (result) { rv = WrapNative(cx, JS_GetGlobalForScopeChain(cx), result, cache, true, vp.address()); if (NS_FAILED(rv)) { xpc::Throw(cx, rv); return JS_FALSE; } } else { vp.setUndefined(); } return JS_TRUE; } JSBool nsHTMLDocumentSH::DocumentAllNewResolve(JSContext *cx, JS::Handle obj, JS::Handle id, unsigned flags, JS::MutableHandle objp) { JS::RootedValue v(cx); if (nsDOMClassInfo::sItem_id == id || nsDOMClassInfo::sNamedItem_id == id) { // Define the item() or namedItem() method. JSFunction *fnc = ::JS_DefineFunctionById(cx, obj, id, CallToGetPropMapper, 0, JSPROP_ENUMERATE); objp.set(obj); return fnc != nullptr; } if (nsDOMClassInfo::sLength_id == id) { // document.all.length. Any jsval other than undefined would do // here, all we need is to get into the code below that defines // this propery on obj, the rest happens in // DocumentAllGetProperty(). v = JSVAL_ONE; } else { if (!DocumentAllGetProperty(cx, obj, id, &v)) { return JS_FALSE; } } JSBool ok = JS_TRUE; if (v.get() != JSVAL_VOID) { ok = ::JS_DefinePropertyById(cx, obj, id, v, nullptr, nullptr, 0); objp.set(obj); } return ok; } void nsHTMLDocumentSH::ReleaseDocument(JSFreeOp *fop, JSObject *obj) { nsIHTMLDocument* doc = GetDocument(obj); if (doc) { xpc::DeferredRelease(doc); } } JSBool nsHTMLDocumentSH::CallToGetPropMapper(JSContext *cx, unsigned argc, jsval *vp) { // Handle document.all("foo") style access to document.all. if (argc != 1) { // XXX: Should throw NS_ERROR_XPC_NOT_ENOUGH_ARGS for argc < 1, // and create a new NS_ERROR_XPC_TOO_MANY_ARGS for argc > 1? IE // accepts nothing other than one arg. xpc::Throw(cx, NS_ERROR_INVALID_ARG); return JS_FALSE; } // Convert all types to string. JS::Rooted str(cx, ::JS_ValueToString(cx, JS_ARGV(cx, vp)[0])); if (!str) { return JS_FALSE; } // If we are called via document.all(id) instead of document.all.item(i) or // another method, use the document.all callee object as self. JSObject *self; JS::Value callee = JS_CALLEE(cx, vp); if (callee.isObject() && JS_GetClass(&callee.toObject()) == &sHTMLDocumentAllClass) { self = JSVAL_TO_OBJECT(JS_CALLEE(cx, vp)); } else { self = JS_THIS_OBJECT(cx, vp); if (!self) return JS_FALSE; } size_t length; JS::Anchor anchor(str); const jschar *chars = ::JS_GetStringCharsAndLength(cx, str, &length); if (!chars) { return JS_FALSE; } return ::JS_GetUCProperty(cx, self, chars, length, vp); } // Plugin helper nsISupports* nsPluginSH::GetItemAt(nsISupports *aNative, uint32_t aIndex, nsWrapperCache **aCache, nsresult *aResult) { nsPluginElement* plugin = nsPluginElement::FromSupports(aNative); return plugin->GetItemAt(aIndex, aResult); } nsISupports* nsPluginSH::GetNamedItem(nsISupports *aNative, const nsAString& aName, nsWrapperCache **aCache, nsresult *aResult) { nsPluginElement* plugin = nsPluginElement::FromSupports(aNative); return plugin->GetNamedItem(aName, aResult); } // PluginArray helper nsISupports* nsPluginArraySH::GetItemAt(nsISupports *aNative, uint32_t aIndex, nsWrapperCache **aCache, nsresult *aResult) { nsPluginArray* array = nsPluginArray::FromSupports(aNative); return array->GetItemAt(aIndex, aResult); } nsISupports* nsPluginArraySH::GetNamedItem(nsISupports *aNative, const nsAString& aName, nsWrapperCache **aCache, nsresult *aResult) { nsPluginArray* array = nsPluginArray::FromSupports(aNative); return array->GetNamedItem(aName, aResult); } // MimeTypeArray helper nsISupports* nsMimeTypeArraySH::GetItemAt(nsISupports *aNative, uint32_t aIndex, nsWrapperCache **aCache, nsresult *aResult) { nsMimeTypeArray* array = nsMimeTypeArray::FromSupports(aNative); return array->GetItemAt(aIndex, aResult); } nsISupports* nsMimeTypeArraySH::GetNamedItem(nsISupports *aNative, const nsAString& aName, nsWrapperCache **aCache, nsresult *aResult) { nsMimeTypeArray* array = nsMimeTypeArray::FromSupports(aNative); return array->GetNamedItem(aName, aResult); } // StringArray helper NS_IMETHODIMP nsStringArraySH::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, jsid aId, jsval *vp, bool *_retval) { JS::Rooted obj(cx, aObj); JS::Rooted id(cx, aId); bool is_number = false; int32_t n = GetArrayIndexFromId(cx, id, &is_number); if (!is_number) { return NS_OK; } nsAutoString val; nsresult rv = GetStringAt(GetNative(wrapper, obj), n, val); NS_ENSURE_SUCCESS(rv, rv); if (DOMStringIsNull(val)) { *vp = JSVAL_VOID; return NS_SUCCESS_I_DID_SOMETHING; } NS_ENSURE_TRUE(xpc::NonVoidStringToJsval(cx, val, vp), NS_ERROR_OUT_OF_MEMORY); return NS_SUCCESS_I_DID_SOMETHING; } // History helper NS_IMETHODIMP nsHistorySH::PreCreate(nsISupports *nativeObj, JSContext *cx, JSObject *globalObj, JSObject **parentObj) { nsHistory *history = (nsHistory *)((nsIDOMHistory*)nativeObj); nsCOMPtr innerWindow; history->GetWindow(getter_AddRefs(innerWindow)); if (!innerWindow) { NS_WARNING("refusing to create history object in the wrong scope"); return NS_ERROR_FAILURE; } return SetParentToWindow(static_cast(innerWindow.get()), parentObj); } NS_IMETHODIMP nsHistorySH::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, jsid aId, jsval *vp, bool *_retval) { JS::Rooted obj(cx, aObj); JS::Rooted id(cx, aId); bool is_number = false; GetArrayIndexFromId(cx, id, &is_number); if (!is_number) { return NS_OK; } return nsStringArraySH::GetProperty(wrapper, cx, obj, id, vp, _retval); } nsresult nsHistorySH::GetStringAt(nsISupports *aNative, int32_t aIndex, nsAString& aResult) { if (aIndex < 0) { return NS_ERROR_DOM_INDEX_SIZE_ERR; } nsCOMPtr history(do_QueryInterface(aNative)); nsresult rv = history->Item(aIndex, aResult); #ifdef DEBUG if (DOMStringIsNull(aResult)) { int32_t length = 0; history->GetLength(&length); NS_ASSERTION(aIndex >= length, "Item should only return null for out-of-bounds access"); } #endif return rv; } // MediaList helper nsresult nsMediaListSH::GetStringAt(nsISupports *aNative, int32_t aIndex, nsAString& aResult) { if (aIndex < 0) { return NS_ERROR_DOM_INDEX_SIZE_ERR; } nsCOMPtr media_list(do_QueryInterface(aNative)); nsresult rv = media_list->Item(uint32_t(aIndex), aResult); #ifdef DEBUG if (DOMStringIsNull(aResult)) { uint32_t length = 0; media_list->GetLength(&length); NS_ASSERTION(uint32_t(aIndex) >= length, "Item should only return null for out-of-bounds access"); } #endif return rv; } // StyleSheetList helper nsISupports* nsStyleSheetListSH::GetItemAt(nsISupports *aNative, uint32_t aIndex, nsWrapperCache **aCache, nsresult *rv) { nsDOMStyleSheetList* list = nsDOMStyleSheetList::FromSupports(aNative); return list->GetItemAt(aIndex); } // CSSRuleList scriptable helper nsISupports* nsCSSRuleListSH::GetItemAt(nsISupports *aNative, uint32_t aIndex, nsWrapperCache **aCache, nsresult *aResult) { nsICSSRuleList* list = static_cast(aNative); #ifdef DEBUG { nsCOMPtr list_qi = do_QueryInterface(aNative); // If this assertion fires the QI implementation for the object in // question doesn't use the nsICSSRuleList pointer as the nsISupports // pointer. That must be fixed, or we'll crash... NS_ABORT_IF_FALSE(list_qi == list, "Uh, fix QI!"); } #endif return list->GetItemAt(aIndex, aResult); } // Storage2SH // One reason we need a newResolve hook is that in order for // enumeration of storage object keys to work the keys we're // enumerating need to exist on the storage object for the JS engine // to find them. NS_IMETHODIMP nsStorage2SH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid aId, uint32_t flags, JSObject **objp, bool *_retval) { JS::Rooted id(cx, aId); if (ObjectIsNativeWrapper(cx, obj)) { return NS_OK; } JS::Rooted realObj(cx, wrapper->GetJSObject()); JSAutoCompartment ac(cx, realObj); // First check to see if the property is defined on our prototype, // after converting id to a string if it's an integer. JS::Rooted jsstr(cx, IdToString(cx, id)); if (!jsstr) { return NS_OK; } JS::Rooted proto(cx); if (!::JS_GetPrototype(cx, realObj, proto.address())) { return NS_ERROR_FAILURE; } JSBool hasProp; if (proto && (::JS_HasPropertyById(cx, proto, id, &hasProp) && hasProp)) { // We found the property we're resolving on the prototype, // nothing left to do here then. return NS_OK; } // We're resolving property that doesn't exist on the prototype, // check if the key exists in the storage object. nsCOMPtr storage(do_QueryWrappedNative(wrapper)); nsDependentJSString depStr; NS_ENSURE_TRUE(depStr.init(cx, jsstr), NS_ERROR_UNEXPECTED); // GetItem() will return null if the caller can't access the session // storage item. nsAutoString data; nsresult rv = storage->GetItem(depStr, data); NS_ENSURE_SUCCESS(rv, rv); if (!DOMStringIsNull(data)) { if (!::JS_DefinePropertyById(cx, realObj, id, JSVAL_VOID, nullptr, nullptr, JSPROP_ENUMERATE)) { return NS_ERROR_FAILURE; } *objp = realObj; } return NS_OK; } NS_IMETHODIMP nsStorage2SH::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, jsid aId, jsval *vp, bool *_retval) { JS::Rooted obj(cx, aObj); JS::Rooted id(cx, aId); nsCOMPtr storage(do_QueryWrappedNative(wrapper)); NS_ENSURE_TRUE(storage, NS_ERROR_UNEXPECTED); JSString* key = IdToString(cx, id); NS_ENSURE_TRUE(key, NS_ERROR_UNEXPECTED); nsDependentJSString keyStr; NS_ENSURE_TRUE(keyStr.init(cx, key), NS_ERROR_UNEXPECTED); // For native wrappers, do not get random names on storage objects. if (ObjectIsNativeWrapper(cx, obj)) { return NS_ERROR_NOT_AVAILABLE; } nsAutoString val; nsresult rv = storage->GetItem(keyStr, val); NS_ENSURE_SUCCESS(rv, rv); if (DOMStringIsNull(val)) { // No such key. *vp = JSVAL_VOID; } else { JSString* str = JS_NewUCStringCopyN(cx, static_cast(val.get()), val.Length()); NS_ENSURE_TRUE(str, NS_ERROR_OUT_OF_MEMORY); *vp = STRING_TO_JSVAL(str); } return NS_SUCCESS_I_DID_SOMETHING; } NS_IMETHODIMP nsStorage2SH::SetProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid aId, jsval *vp, bool *_retval) { JS::Rooted id(cx, aId); nsCOMPtr storage(do_QueryWrappedNative(wrapper)); NS_ENSURE_TRUE(storage, NS_ERROR_UNEXPECTED); JSString *key = IdToString(cx, id); NS_ENSURE_TRUE(key, NS_ERROR_UNEXPECTED); nsDependentJSString keyStr; NS_ENSURE_TRUE(keyStr.init(cx, key), NS_ERROR_UNEXPECTED); JSString *value = ::JS_ValueToString(cx, *vp); NS_ENSURE_TRUE(value, NS_ERROR_UNEXPECTED); nsDependentJSString valueStr; NS_ENSURE_TRUE(valueStr.init(cx, value), NS_ERROR_UNEXPECTED); nsresult rv = storage->SetItem(keyStr, valueStr); if (NS_SUCCEEDED(rv)) { rv = NS_SUCCESS_I_DID_SOMETHING; } return rv; } NS_IMETHODIMP nsStorage2SH::DelProperty(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, jsid aId, bool *_retval) { JS::Rooted id(cx, aId); nsCOMPtr storage(do_QueryWrappedNative(wrapper)); NS_ENSURE_TRUE(storage, NS_ERROR_UNEXPECTED); JSString *key = IdToString(cx, id); NS_ENSURE_TRUE(key, NS_ERROR_UNEXPECTED); nsDependentJSString keyStr; NS_ENSURE_TRUE(keyStr.init(cx, key), NS_ERROR_UNEXPECTED); nsresult rv = storage->RemoveItem(keyStr); if (NS_FAILED(rv)) { return rv; } *_retval = true; return NS_SUCCESS_I_DID_SOMETHING; } NS_IMETHODIMP nsStorage2SH::NewEnumerate(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *obj, uint32_t enum_op, jsval *statep, jsid *idp, bool *_retval) { if (enum_op == JSENUMERATE_INIT || enum_op == JSENUMERATE_INIT_ALL) { nsCOMPtr storage(do_QueryWrappedNative(wrapper)); // XXXndeakin need to free the keys afterwards nsTArray *keys = storage->GetKeys(); NS_ENSURE_TRUE(keys, NS_ERROR_OUT_OF_MEMORY); *statep = PRIVATE_TO_JSVAL(keys); if (idp) { *idp = INT_TO_JSID(keys->Length()); } return NS_OK; } nsTArray *keys = (nsTArray *)JSVAL_TO_PRIVATE(*statep); if (enum_op == JSENUMERATE_NEXT && keys->Length() != 0) { nsString& key = keys->ElementAt(0); JSString *str = JS_NewUCStringCopyN(cx, reinterpret_cast (key.get()), key.Length()); NS_ENSURE_TRUE(str, NS_ERROR_OUT_OF_MEMORY); JS_ValueToId(cx, STRING_TO_JSVAL(str), idp); keys->RemoveElementAt(0); return NS_OK; } // destroy the keys array if we have no keys or if we're done NS_ABORT_IF_FALSE(enum_op == JSENUMERATE_DESTROY || (enum_op == JSENUMERATE_NEXT && keys->Length() == 0), "Bad call from the JS engine"); delete keys; *statep = JSVAL_NULL; return NS_OK; } // nsIDOMEventListener::HandleEvent() 'this' converter helper NS_INTERFACE_MAP_BEGIN(nsEventListenerThisTranslator) NS_INTERFACE_MAP_ENTRY(nsIXPCFunctionThisTranslator) NS_INTERFACE_MAP_ENTRY(nsISupports) NS_INTERFACE_MAP_END NS_IMPL_ADDREF(nsEventListenerThisTranslator) NS_IMPL_RELEASE(nsEventListenerThisTranslator) NS_IMETHODIMP nsEventListenerThisTranslator::TranslateThis(nsISupports *aInitialThis, nsISupports **_retval) { nsCOMPtr event(do_QueryInterface(aInitialThis)); NS_ENSURE_TRUE(event, NS_ERROR_UNEXPECTED); nsCOMPtr target = event->InternalDOMEvent()->GetCurrentTarget(); *_retval = target.forget().get(); return NS_OK; } NS_IMETHODIMP nsDOMConstructorSH::PreCreate(nsISupports *nativeObj, JSContext *cx, JSObject *aGlobalObj, JSObject **parentObj) { JS::Rooted globalObj(cx, aGlobalObj); nsDOMConstructor *wrapped = static_cast(nativeObj); #ifdef DEBUG { nsCOMPtr is_constructor = do_QueryInterface(nativeObj); NS_ASSERTION(is_constructor, "How did we not get a constructor?"); } #endif return wrapped->PreCreate(cx, globalObj, parentObj); } NS_IMETHODIMP nsDOMConstructorSH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, jsid aId, uint32_t flags, JSObject **objp, bool *_retval) { JS::Rooted obj(cx, aObj); JS::Rooted id(cx, aId); // For regular DOM constructors, we have our interface constants defined on // us by nsWindowSH::GlobalResolve. However, XrayWrappers can't see these // interface constants (as they look like expando properties) so we have to // specially resolve those constants here, but only for Xray wrappers. if (!ObjectIsNativeWrapper(cx, obj)) { return NS_OK; } JS::Rooted nativePropsObj(cx, xpc::XrayUtils::GetNativePropertiesObject(cx, obj)); nsDOMConstructor *wrapped = static_cast(wrapper->Native()); nsresult rv = wrapped->ResolveInterfaceConstants(cx, nativePropsObj); NS_ENSURE_SUCCESS(rv, rv); // Now re-lookup the ID to see if we should report back that we resolved the // looked-for constant. Note that we don't have to worry about infinitely // recurring back here because the Xray wrapper's holder object doesn't call // NewResolve hooks. JSBool found; if (!JS_HasPropertyById(cx, nativePropsObj, id, &found)) { *_retval = false; return NS_OK; } if (found) { *objp = obj; } return NS_OK; } NS_IMETHODIMP nsDOMConstructorSH::Call(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, const JS::CallArgs &args, bool *_retval) { JS::Rooted obj(cx, aObj); MOZ_ASSERT(obj); nsDOMConstructor *wrapped = static_cast(wrapper->Native()); #ifdef DEBUG { nsCOMPtr is_constructor = do_QueryWrappedNative(wrapper); NS_ASSERTION(is_constructor, "How did we not get a constructor?"); } #endif return wrapped->Construct(wrapper, cx, obj, args, _retval); } NS_IMETHODIMP nsDOMConstructorSH::Construct(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, const JS::CallArgs &args, bool *_retval) { JS::Rooted obj(cx, aObj); MOZ_ASSERT(obj); nsDOMConstructor *wrapped = static_cast(wrapper->Native()); #ifdef DEBUG { nsCOMPtr is_constructor = do_QueryWrappedNative(wrapper); NS_ASSERTION(is_constructor, "How did we not get a constructor?"); } #endif return wrapped->Construct(wrapper, cx, obj, args, _retval); } NS_IMETHODIMP nsDOMConstructorSH::HasInstance(nsIXPConnectWrappedNative *wrapper, JSContext *cx, JSObject *aObj, const jsval &val, bool *bp, bool *_retval) { JS::Rooted obj(cx, aObj); nsDOMConstructor *wrapped = static_cast(wrapper->Native()); #ifdef DEBUG { nsCOMPtr is_constructor = do_QueryWrappedNative(wrapper); NS_ASSERTION(is_constructor, "How did we not get a constructor?"); } #endif return wrapped->HasInstance(wrapper, cx, obj, val, bp, _retval); } NS_IMETHODIMP nsNonDOMObjectSH::GetFlags(uint32_t *aFlags) { // This is NOT a DOM Object. Use this helper class for cases when you need // to do something like implement nsISecurityCheckedComponent in a meaningful // way. *aFlags = nsIClassInfo::MAIN_THREAD_ONLY | nsIClassInfo::SINGLETON_CLASSINFO; return NS_OK; }