/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* 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/. */ #ifndef nsGlobalWindow_h___ #define nsGlobalWindow_h___ #include "nsPIDOMWindow.h" #include "nsTHashtable.h" #include "nsHashKeys.h" #include "nsRefPtrHashtable.h" #include "nsInterfaceHashtable.h" // Local Includes // Helper Classes #include "nsCOMPtr.h" #include "nsAutoPtr.h" #include "nsWeakReference.h" #include "nsDataHashtable.h" #include "nsJSThingHashtable.h" #include "nsCycleCollectionParticipant.h" // Interfaces Needed #include "nsIBrowserDOMWindow.h" #include "nsIDOMEventTarget.h" #include "nsIInterfaceRequestor.h" #include "nsIDOMChromeWindow.h" #include "nsIScriptGlobalObject.h" #include "nsIScriptObjectPrincipal.h" #include "nsITimer.h" #include "nsIDOMModalContentWindow.h" #include "mozilla/EventListenerManager.h" #include "nsIPrincipal.h" #include "nsSize.h" #include "mozFlushType.h" #include "prclist.h" #include "mozilla/dom/StorageEvent.h" #include "mozilla/dom/StorageEventBinding.h" #include "mozilla/dom/UnionTypes.h" #include "mozilla/ErrorResult.h" #include "nsFrameMessageManager.h" #include "mozilla/LinkedList.h" #include "mozilla/TimeStamp.h" #include "nsWrapperCacheInlines.h" #include "nsIIdleObserver.h" #include "nsIDocument.h" #include "mozilla/dom/EventTarget.h" #include "mozilla/dom/WindowBinding.h" #include "Units.h" #include "nsComponentManagerUtils.h" #include "nsSize.h" #include "nsCheapSets.h" #include "mozilla/dom/ImageBitmapSource.h" #define DEFAULT_HOME_PAGE "www.mozilla.org" #define PREF_BROWSER_STARTUP_HOMEPAGE "browser.startup.homepage" // Amount of time allowed between alert/prompt/confirm before enabling // the stop dialog checkbox. #define DEFAULT_SUCCESSIVE_DIALOG_TIME_LIMIT 3 // 3 sec // Maximum number of successive dialogs before we prompt users to disable // dialogs for this window. #define MAX_SUCCESSIVE_DIALOG_COUNT 5 // Idle fuzz time upper limit #define MAX_IDLE_FUZZ_TIME_MS 90000 // Min idle notification time in seconds. #define MIN_IDLE_NOTIFICATION_TIME_S 1 class nsIArray; class nsIBaseWindow; class nsIContent; class nsICSSDeclaration; class nsIDocShellTreeOwner; class nsIDOMOfflineResourceList; class nsIScrollableFrame; class nsIControllers; class nsIJSID; class nsIScriptContext; class nsIScriptTimeoutHandler; class nsIWebBrowserChrome; class nsDOMWindowList; class nsLocation; class nsScreen; class nsHistory; class nsGlobalWindowObserver; class nsGlobalWindow; class nsDOMWindowUtils; class nsIIdleService; struct nsRect; class nsWindowSizes; namespace mozilla { class DOMEventTargetHelper; namespace dom { class BarProp; class Console; class Crypto; class External; class Function; class Gamepad; class VRDevice; class MediaQueryList; class MozSelfSupport; class Navigator; class OwningExternalOrWindowProxy; class Promise; class PostMessageEvent; struct RequestInit; class RequestOrUSVString; class Selection; class SpeechSynthesis; class WakeLock; #if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GONK) class WindowOrientationObserver; #endif namespace cache { class CacheStorage; } // namespace cache namespace indexedDB { class IDBFactory; } // namespace indexedDB } // namespace dom namespace gfx { class VRHMDInfo; } // namespace gfx } // namespace mozilla extern already_AddRefed NS_CreateJSTimeoutHandler(JSContext* aCx, nsGlobalWindow *aWindow, mozilla::dom::Function& aFunction, const mozilla::dom::Sequence& aArguments, mozilla::ErrorResult& aError); extern already_AddRefed NS_CreateJSTimeoutHandler(JSContext* aCx, nsGlobalWindow *aWindow, const nsAString& aExpression, mozilla::ErrorResult& aError); extern const js::Class OuterWindowProxyClass; /* * Timeout struct that holds information about each script * timeout. Holds a strong reference to an nsIScriptTimeoutHandler, which * abstracts the language specific cruft. */ struct nsTimeout final : mozilla::LinkedListElement { private: ~nsTimeout(); public: nsTimeout(); NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(nsTimeout) NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(nsTimeout) nsresult InitTimer(uint32_t aDelay); bool HasRefCntOne(); // Window for which this timeout fires RefPtr mWindow; // The actual timer object nsCOMPtr mTimer; // True if the timeout was cleared bool mCleared; // True if this is one of the timeouts that are currently running bool mRunning; // True if this is a repeating/interval timer bool mIsInterval; // Returned as value of setTimeout() uint32_t mPublicId; // Interval in milliseconds uint32_t mInterval; // mWhen and mTimeRemaining can't be in a union, sadly, because they // have constructors. // Nominal time to run this timeout. Use only when timeouts are not // suspended. mozilla::TimeStamp mWhen; // Remaining time to wait. Used only when timeouts are suspended. mozilla::TimeDuration mTimeRemaining; // Principal with which to execute nsCOMPtr mPrincipal; // stack depth at which timeout is firing uint32_t mFiringDepth; // uint32_t mNestingLevel; // The popup state at timeout creation time if not created from // another timeout PopupControlState mPopupState; // The language-specific information about the callback. nsCOMPtr mScriptHandler; }; struct IdleObserverHolder { nsCOMPtr mIdleObserver; uint32_t mTimeInS; bool mPrevNotificationIdle; IdleObserverHolder() : mTimeInS(0), mPrevNotificationIdle(false) { MOZ_COUNT_CTOR(IdleObserverHolder); } IdleObserverHolder(const IdleObserverHolder& aOther) : mIdleObserver(aOther.mIdleObserver), mTimeInS(aOther.mTimeInS), mPrevNotificationIdle(aOther.mPrevNotificationIdle) { MOZ_COUNT_CTOR(IdleObserverHolder); } bool operator==(const IdleObserverHolder& aOther) const { return mIdleObserver == aOther.mIdleObserver && mTimeInS == aOther.mTimeInS; } ~IdleObserverHolder() { MOZ_COUNT_DTOR(IdleObserverHolder); } }; // Helper class to manage modal dialog arguments and all their quirks. // // Given our clunky embedding APIs, modal dialog arguments need to be passed // as an nsISupports parameter to WindowWatcher, get stuck inside an array of // length 1, and then passed back to the newly-created dialog. // // However, we need to track both the caller-passed value as well as the // caller's, so that we can do an origin check (even for primitives) when the // value is accessed. This class encapsulates that magic. // // We also use the same machinery for |returnValue|, which needs similar origin // checks. class DialogValueHolder final : public nsISupports { public: NS_DECL_CYCLE_COLLECTING_ISUPPORTS NS_DECL_CYCLE_COLLECTION_CLASS(DialogValueHolder) DialogValueHolder(nsIPrincipal* aSubject, nsIVariant* aValue) : mOrigin(aSubject) , mValue(aValue) {} nsresult Get(nsIPrincipal* aSubject, nsIVariant** aResult); void Get(JSContext* aCx, JS::Handle aScope, nsIPrincipal* aSubject, JS::MutableHandle aResult, mozilla::ErrorResult& aError) { if (aSubject->Subsumes(mOrigin)) { aError = nsContentUtils::XPConnect()->VariantToJS(aCx, aScope, mValue, aResult); } else { aResult.setUndefined(); } } private: virtual ~DialogValueHolder() {} nsCOMPtr mOrigin; nsCOMPtr mValue; }; //***************************************************************************** // nsGlobalWindow: Global Object for Scripting //***************************************************************************** // Beware that all scriptable interfaces implemented by // nsGlobalWindow will be reachable from JS, if you make this class // implement new interfaces you better know what you're // doing. Security wise this is very sensitive code. -- // jst@netscape.com // nsGlobalWindow inherits PRCList for maintaining a list of all inner // windows still in memory for any given outer window. This list is // needed to ensure that mOuterWindow doesn't end up dangling. The // nature of PRCList means that the window itself is always in the // list, and an outer window's list will also contain all inner window // objects that are still in memory (and in reality all inner window // object's lists also contain its outer and all other inner windows // belonging to the same outer window, but that's an unimportant // side effect of inheriting PRCList). class nsGlobalWindow : public mozilla::dom::EventTarget, public nsPIDOMWindow, public nsIScriptGlobalObject, public nsIScriptObjectPrincipal, public nsSupportsWeakReference, public nsIInterfaceRequestor, public PRCListStr { public: typedef mozilla::TimeStamp TimeStamp; typedef mozilla::TimeDuration TimeDuration; typedef nsDataHashtable WindowByIdTable; static void AssertIsOnMainThread() #ifdef DEBUG ; #else { } #endif static nsGlobalWindow* Cast(nsPIDOMWindow* aPIWin) { return static_cast(aPIWin); } // public methods nsPIDOMWindow* GetPrivateParent(); // callback for close event void ReallyCloseWindow(); // nsISupports NS_DECL_CYCLE_COLLECTING_ISUPPORTS // nsWrapperCache virtual JSObject *WrapObject(JSContext *cx, JS::Handle aGivenProto) override { return IsInnerWindow() || EnsureInnerWindow() ? GetWrapper() : nullptr; } // nsIGlobalJSObjectHolder virtual JSObject* GetGlobalJSObject() override; // nsIScriptGlobalObject JSObject *FastGetGlobalJSObject() const { return GetWrapperPreserveColor(); } void TraceGlobalJSObject(JSTracer* aTrc); virtual nsresult EnsureScriptEnvironment() override; virtual nsIScriptContext *GetScriptContext() override; void PoisonOuterWindowProxy(JSObject *aObject); virtual bool IsBlackForCC(bool aTracingNeeded = true) override; // nsIScriptObjectPrincipal virtual nsIPrincipal* GetPrincipal() override; // nsIDOMWindow NS_DECL_NSIDOMWINDOW nsresult OpenJS(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, nsIDOMWindow **_retval); void CaptureEvents(); void ReleaseEvents(); void Dump(const nsAString& aStr); void SetResizable(bool aResizable) const; nsresult GetScriptableContent(JSContext* aCx, JS::MutableHandle aVal); // nsIDOMEventTarget NS_DECL_NSIDOMEVENTTARGET virtual mozilla::EventListenerManager* GetExistingListenerManager() const override; virtual mozilla::EventListenerManager* GetOrCreateListenerManager() override; using mozilla::dom::EventTarget::RemoveEventListener; virtual void AddEventListener(const nsAString& aType, mozilla::dom::EventListener* aListener, bool aUseCapture, const mozilla::dom::Nullable& aWantsUntrusted, mozilla::ErrorResult& aRv) override; virtual nsIDOMWindow* GetOwnerGlobalForBindings() override { if (IsOuterWindow()) { return this; } return GetOuterFromCurrentInner(this); } virtual nsIGlobalObject* GetOwnerGlobal() const override { if (IsOuterWindow()) { return GetCurrentInnerWindowInternal(); } return const_cast(this); } // nsPIDOMWindow virtual nsPIDOMWindow* GetPrivateRoot() override; // Outer windows only. virtual void ActivateOrDeactivate(bool aActivate) override; virtual void SetActive(bool aActive) override; virtual void SetIsBackground(bool aIsBackground) override; virtual void SetChromeEventHandler(mozilla::dom::EventTarget* aChromeEventHandler) override; // Outer windows only. virtual void SetInitialPrincipalToSubject() override; virtual PopupControlState PushPopupControlState(PopupControlState state, bool aForce) const override; virtual void PopPopupControlState(PopupControlState state) const override; virtual PopupControlState GetPopupControlState() const override; virtual already_AddRefed SaveWindowState() override; virtual nsresult RestoreWindowState(nsISupports *aState) override; virtual void SuspendTimeouts(uint32_t aIncrease = 1, bool aFreezeChildren = true, bool aFreezeWorkers = true) override; virtual nsresult ResumeTimeouts(bool aThawChildren = true, bool aThawWorkers = true) override; virtual uint32_t TimeoutSuspendCount() override; virtual nsresult FireDelayedDOMEvents() override; virtual bool IsFrozen() const override { return mIsFrozen; } virtual bool IsRunningTimeout() override { return mTimeoutFiringDepth > 0; } // Outer windows only. virtual bool WouldReuseInnerWindow(nsIDocument* aNewDocument) override; virtual void SetDocShell(nsIDocShell* aDocShell) override; virtual void DetachFromDocShell() override; virtual nsresult SetNewDocument(nsIDocument *aDocument, nsISupports *aState, bool aForceReuseInnerWindow) override; // Outer windows only. void DispatchDOMWindowCreated(); virtual void SetOpenerWindow(nsIDOMWindow* aOpener, bool aOriginalOpener) override; // Outer windows only. virtual void EnsureSizeUpToDate() override; virtual void EnterModalState() override; virtual void LeaveModalState() override; // Outer windows only. virtual bool CanClose() override; virtual void ForceClose() override; virtual void MaybeUpdateTouchState() override; // Outer windows only. virtual bool DispatchCustomEvent(const nsAString& aEventName) override; bool DispatchResizeEvent(const mozilla::CSSIntSize& aSize); // Inner windows only. virtual void RefreshCompartmentPrincipal() override; // For accessing protected field mFullScreen friend class FullscreenTransitionTask; // Outer windows only. virtual nsresult SetFullscreenInternal( FullscreenReason aReason, bool aIsFullscreen, mozilla::gfx::VRHMDInfo *aHMD = nullptr) override final; virtual void FinishFullscreenChange(bool aIsFullscreen) override final; void SetWidgetFullscreen(FullscreenReason aReason, bool aIsFullscreen, nsIWidget* aWidget, nsIScreen* aScreen); bool FullScreen() const; // Inner windows only. virtual void SetHasGamepadEventListener(bool aHasGamepad = true) override; // nsIInterfaceRequestor NS_DECL_NSIINTERFACEREQUESTOR // WebIDL interface. already_AddRefed IndexedGetterOuter(uint32_t aIndex); already_AddRefed IndexedGetter(uint32_t aIndex); void GetSupportedNames(nsTArray& aNames); static bool IsPrivilegedChromeWindow(JSContext* /* unused */, JSObject* aObj); static bool IsShowModalDialogEnabled(JSContext* /* unused */ = nullptr, JSObject* /* unused */ = nullptr); bool DoResolve(JSContext* aCx, JS::Handle aObj, JS::Handle aId, JS::MutableHandle aDesc); // The return value is whether DoResolve might end up resolving the given id. // If in doubt, return true. static bool MayResolve(jsid aId); void GetOwnPropertyNames(JSContext* aCx, nsTArray& aNames, mozilla::ErrorResult& aRv); // Object Management static already_AddRefed Create(nsGlobalWindow *aOuterWindow); static nsGlobalWindow *FromSupports(nsISupports *supports) { // Make sure this matches the casts we do in QueryInterface(). return (nsGlobalWindow *)(mozilla::dom::EventTarget *)supports; } static nsGlobalWindow *FromWrapper(nsIXPConnectWrappedNative *wrapper) { return FromSupports(wrapper->Native()); } already_AddRefed GetTop() override; nsPIDOMWindow* GetScriptableTop() override; inline nsGlobalWindow *GetTopInternal() { nsGlobalWindow* outer = IsOuterWindow() ? this : GetOuterWindowInternal(); nsCOMPtr top = outer ? outer->GetTop() : nullptr; if (top) return static_cast(top.get()); return nullptr; } inline nsGlobalWindow* GetScriptableTopInternal() { nsPIDOMWindow* top = GetScriptableTop(); return static_cast(top); } nsPIDOMWindow* GetChildWindow(const nsAString& aName); // These return true if we've reached the state in this top level window // where we ask the user if further dialogs should be blocked. // // DialogsAreBeingAbused must be called on the scriptable top inner window. // // ShouldPromptToBlockDialogs is implemented in terms of // DialogsAreBeingAbused, and will get the scriptable top inner window // automatically. // Outer windows only. bool ShouldPromptToBlockDialogs(); // Inner windows only. bool DialogsAreBeingAbused(); // These functions are used for controlling and determining whether dialogs // (alert, prompt, confirm) are currently allowed in this window. void EnableDialogs(); void DisableDialogs(); // Outer windows only. bool AreDialogsEnabled(); nsIScriptContext *GetContextInternal() { if (mOuterWindow) { return GetOuterWindowInternal()->mContext; } return mContext; } nsGlobalWindow *GetOuterWindowInternal() { return static_cast(GetOuterWindow()); } nsGlobalWindow *GetCurrentInnerWindowInternal() const { MOZ_ASSERT(IsOuterWindow()); return static_cast(mInnerWindow); } nsGlobalWindow *EnsureInnerWindowInternal() { return static_cast(EnsureInnerWindow()); } bool IsCreatingInnerWindow() const { return mCreatingInnerWindow; } bool IsChromeWindow() const { return mIsChrome; } using nsPIDOMWindow::IsModalContentWindow; static bool IsModalContentWindow(JSContext* aCx, JSObject* aGlobal); // GetScrollFrame does not flush. Callers should do it themselves as needed, // depending on which info they actually want off the scrollable frame. nsIScrollableFrame *GetScrollFrame(); nsresult Observe(nsISupports* aSubject, const char* aTopic, const char16_t* aData); // Outer windows only. void UnblockScriptedClosing(); static void Init(); static void ShutDown(); static void CleanupCachedXBLHandlers(nsGlobalWindow* aWindow); static bool IsCallerChrome(); static void RunPendingTimeoutsRecursive(nsGlobalWindow *aTopWindow, nsGlobalWindow *aWindow); friend class WindowStateHolder; NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsGlobalWindow, nsIDOMEventTarget) #ifdef DEBUG // Call Unlink on this window. This may cause bad things to happen, so use // with caution. void RiskyUnlink(); #endif virtual JSObject* GetCachedXBLPrototypeHandler(nsXBLPrototypeHandler* aKey) override; virtual void CacheXBLPrototypeHandler(nsXBLPrototypeHandler* aKey, JS::Handle aHandler) override; virtual bool TakeFocus(bool aFocus, uint32_t aFocusMethod) override; virtual void SetReadyForFocus() override; virtual void PageHidden() override; virtual nsresult DispatchAsyncHashchange(nsIURI *aOldURI, nsIURI *aNewURI) override; virtual nsresult DispatchSyncPopState() override; // Inner windows only. virtual void EnableDeviceSensor(uint32_t aType) override; virtual void DisableDeviceSensor(uint32_t aType) override; #if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GONK) virtual void EnableOrientationChangeListener() override; virtual void DisableOrientationChangeListener() override; #endif virtual void EnableTimeChangeNotifications() override; virtual void DisableTimeChangeNotifications() override; #ifdef MOZ_B2G // Inner windows only. virtual void EnableNetworkEvent(mozilla::EventMessage aEventMessage) override; virtual void DisableNetworkEvent( mozilla::EventMessage aEventMessage) override; #endif // MOZ_B2G virtual nsresult SetArguments(nsIArray* aArguments) override; void MaybeForgiveSpamCount(); bool IsClosedOrClosing() { return (mIsClosed || mInClose || mHavePendingClose || mCleanedUp); } bool HadOriginalOpener() const { MOZ_ASSERT(IsOuterWindow()); return mHadOriginalOpener; } bool IsTopLevelWindow() { MOZ_ASSERT(IsOuterWindow()); nsPIDOMWindow* parentWindow = GetScriptableTop(); return parentWindow == static_cast(this); } virtual void FirePopupBlockedEvent(nsIDocument* aDoc, nsIURI* aPopupURI, const nsAString& aPopupWindowName, const nsAString& aPopupWindowFeatures) override; virtual uint32_t GetSerial() override { return mSerial; } static nsGlobalWindow* GetOuterWindowWithId(uint64_t aWindowID) { AssertIsOnMainThread(); if (!sWindowsById) { return nullptr; } nsGlobalWindow* outerWindow = sWindowsById->Get(aWindowID); return outerWindow && !outerWindow->IsInnerWindow() ? outerWindow : nullptr; } static nsGlobalWindow* GetInnerWindowWithId(uint64_t aInnerWindowID) { AssertIsOnMainThread(); if (!sWindowsById) { return nullptr; } nsGlobalWindow* innerWindow = sWindowsById->Get(aInnerWindowID); return innerWindow && innerWindow->IsInnerWindow() ? innerWindow : nullptr; } static WindowByIdTable* GetWindowsTable() { AssertIsOnMainThread(); return sWindowsById; } void AddSizeOfIncludingThis(nsWindowSizes* aWindowSizes) const; void UnmarkGrayTimers(); // Inner windows only. void AddEventTargetObject(mozilla::DOMEventTargetHelper* aObject); void RemoveEventTargetObject(mozilla::DOMEventTargetHelper* aObject); void NotifyIdleObserver(IdleObserverHolder* aIdleObserverHolder, bool aCallOnidle); nsresult HandleIdleActiveEvent(); bool ContainsIdleObserver(nsIIdleObserver* aIdleObserver, uint32_t timeInS); void HandleIdleObserverCallback(); void AllowScriptsToClose() { mAllowScriptsToClose = true; } enum SlowScriptResponse { ContinueSlowScript = 0, ContinueSlowScriptAndKeepNotifying, AlwaysContinueSlowScript, KillSlowScript }; SlowScriptResponse ShowSlowScriptDialog(); #ifdef MOZ_GAMEPAD // Inner windows only. void AddGamepad(uint32_t aIndex, mozilla::dom::Gamepad* aGamepad); void RemoveGamepad(uint32_t aIndex); void GetGamepads(nsTArray >& aGamepads); already_AddRefed GetGamepad(uint32_t aIndex); void SetHasSeenGamepadInput(bool aHasSeen); bool HasSeenGamepadInput(); void SyncGamepadState(); #endif // Inner windows only. // Enable/disable updates for gamepad input. void EnableGamepadUpdates(); void DisableGamepadUpdates(); // Get the VR devices for this window, initializing if necessary bool GetVRDevices(nsTArray>& aDevices); #define EVENT(name_, id_, type_, struct_) \ mozilla::dom::EventHandlerNonNull* GetOn##name_() \ { \ mozilla::EventListenerManager* elm = GetExistingListenerManager(); \ return elm ? elm->GetEventHandler(nsGkAtoms::on##name_, EmptyString()) \ : nullptr; \ } \ void SetOn##name_(mozilla::dom::EventHandlerNonNull* handler) \ { \ mozilla::EventListenerManager* elm = GetOrCreateListenerManager(); \ if (elm) { \ elm->SetEventHandler(nsGkAtoms::on##name_, EmptyString(), handler); \ } \ } #define ERROR_EVENT(name_, id_, type_, struct_) \ mozilla::dom::OnErrorEventHandlerNonNull* GetOn##name_() \ { \ mozilla::EventListenerManager* elm = GetExistingListenerManager(); \ return elm ? elm->GetOnErrorEventHandler() : nullptr; \ } \ void SetOn##name_(mozilla::dom::OnErrorEventHandlerNonNull* handler) \ { \ mozilla::EventListenerManager* elm = GetOrCreateListenerManager(); \ if (elm) { \ elm->SetEventHandler(handler); \ } \ } #define BEFOREUNLOAD_EVENT(name_, id_, type_, struct_) \ mozilla::dom::OnBeforeUnloadEventHandlerNonNull* GetOn##name_() \ { \ mozilla::EventListenerManager* elm = GetExistingListenerManager(); \ return elm ? elm->GetOnBeforeUnloadEventHandler() : nullptr; \ } \ void SetOn##name_(mozilla::dom::OnBeforeUnloadEventHandlerNonNull* handler) \ { \ mozilla::EventListenerManager* elm = GetOrCreateListenerManager(); \ if (elm) { \ elm->SetEventHandler(handler); \ } \ } #define WINDOW_ONLY_EVENT EVENT #define TOUCH_EVENT EVENT #include "mozilla/EventNameList.h" #undef TOUCH_EVENT #undef WINDOW_ONLY_EVENT #undef BEFOREUNLOAD_EVENT #undef ERROR_EVENT #undef EVENT nsISupports* GetParentObject() { return nullptr; } static JSObject* CreateNamedPropertiesObject(JSContext *aCx, JS::Handle aProto); nsGlobalWindow* Window(); nsGlobalWindow* Self(); nsIDocument* GetDocument() { return GetDoc(); } void GetNameOuter(nsAString& aName); void GetName(nsAString& aName, mozilla::ErrorResult& aError); void SetNameOuter(const nsAString& aName, mozilla::ErrorResult& aError); void SetName(const nsAString& aName, mozilla::ErrorResult& aError); nsLocation* GetLocation(mozilla::ErrorResult& aError); nsIDOMLocation* GetLocation() override; nsHistory* GetHistory(mozilla::ErrorResult& aError); mozilla::dom::BarProp* GetLocationbar(mozilla::ErrorResult& aError); mozilla::dom::BarProp* GetMenubar(mozilla::ErrorResult& aError); mozilla::dom::BarProp* GetPersonalbar(mozilla::ErrorResult& aError); mozilla::dom::BarProp* GetScrollbars(mozilla::ErrorResult& aError); mozilla::dom::BarProp* GetStatusbar(mozilla::ErrorResult& aError); mozilla::dom::BarProp* GetToolbar(mozilla::ErrorResult& aError); void GetStatusOuter(nsAString& aStatus); void GetStatus(nsAString& aStatus, mozilla::ErrorResult& aError); void SetStatusOuter(const nsAString& aStatus); void SetStatus(const nsAString& aStatus, mozilla::ErrorResult& aError); void CloseOuter(bool aTrustedCaller); void Close(mozilla::ErrorResult& aError); nsresult Close() override; bool GetClosedOuter(); bool GetClosed(mozilla::ErrorResult& aError); bool Closed() override; void StopOuter(mozilla::ErrorResult& aError); void Stop(mozilla::ErrorResult& aError); void FocusOuter(mozilla::ErrorResult& aError); void Focus(mozilla::ErrorResult& aError); nsresult Focus() override; void BlurOuter(); void Blur(mozilla::ErrorResult& aError); already_AddRefed GetFramesOuter(); already_AddRefed GetFrames() override; already_AddRefed GetFrames(mozilla::ErrorResult& aError); uint32_t Length(); already_AddRefed GetTopOuter(); already_AddRefed GetTop(mozilla::ErrorResult& aError); nsresult GetPrompter(nsIPrompt** aPrompt) override; protected: explicit nsGlobalWindow(nsGlobalWindow *aOuterWindow); nsPIDOMWindow* GetOpenerWindowOuter(); nsPIDOMWindow* GetOpenerWindow(mozilla::ErrorResult& aError); // Initializes the mWasOffline member variable void InitWasOffline(); public: void GetOpener(JSContext* aCx, JS::MutableHandle aRetval, mozilla::ErrorResult& aError); already_AddRefed GetOpener() override; void SetOpener(JSContext* aCx, JS::Handle aOpener, mozilla::ErrorResult& aError); already_AddRefed GetParentOuter(); already_AddRefed GetParent(mozilla::ErrorResult& aError); already_AddRefed GetParent() override; nsPIDOMWindow* GetScriptableParent() override; mozilla::dom::Element* GetFrameElementOuter(); mozilla::dom::Element* GetFrameElement(mozilla::ErrorResult& aError); already_AddRefed GetFrameElement() override; already_AddRefed OpenOuter(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, mozilla::ErrorResult& aError); already_AddRefed Open(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, mozilla::ErrorResult& aError); nsresult Open(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, nsPIDOMWindow **_retval) override; mozilla::dom::Navigator* GetNavigator(mozilla::ErrorResult& aError); nsIDOMNavigator* GetNavigator() override; nsIDOMOfflineResourceList* GetApplicationCache(mozilla::ErrorResult& aError); already_AddRefed GetApplicationCache() override; #if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GONK) int16_t Orientation() const; #endif mozilla::dom::Console* GetConsole(mozilla::ErrorResult& aRv); void GetSidebar(mozilla::dom::OwningExternalOrWindowProxy& aResult, mozilla::ErrorResult& aRv); already_AddRefed GetExternal(mozilla::ErrorResult& aRv); // Exposed only for testing static bool TokenizeDialogOptions(nsAString& aToken, nsAString::const_iterator& aIter, nsAString::const_iterator aEnd); static void ConvertDialogOptions(const nsAString& aOptions, nsAString& aResult); protected: bool AlertOrConfirm(bool aAlert, const nsAString& aMessage, mozilla::ErrorResult& aError); public: void Alert(mozilla::ErrorResult& aError); void AlertOuter(const nsAString& aMessage, mozilla::ErrorResult& aError); void Alert(const nsAString& aMessage, mozilla::ErrorResult& aError); already_AddRefed GetCaches(mozilla::ErrorResult& aRv); bool ConfirmOuter(const nsAString& aMessage, mozilla::ErrorResult& aError); bool Confirm(const nsAString& aMessage, mozilla::ErrorResult& aError); already_AddRefed Fetch(const mozilla::dom::RequestOrUSVString& aInput, const mozilla::dom::RequestInit& aInit, mozilla::ErrorResult& aRv); void PromptOuter(const nsAString& aMessage, const nsAString& aInitial, nsAString& aReturn, mozilla::ErrorResult& aError); void Prompt(const nsAString& aMessage, const nsAString& aInitial, nsAString& aReturn, mozilla::ErrorResult& aError); void PrintOuter(mozilla::ErrorResult& aError); void Print(mozilla::ErrorResult& aError); void ShowModalDialog(JSContext* aCx, const nsAString& aUrl, JS::Handle aArgument, const nsAString& aOptions, JS::MutableHandle aRetval, mozilla::ErrorResult& aError); void PostMessageMoz(JSContext* aCx, JS::Handle aMessage, const nsAString& aTargetOrigin, const mozilla::dom::Optional >& aTransfer, mozilla::ErrorResult& aError); int32_t SetTimeout(JSContext* aCx, mozilla::dom::Function& aFunction, int32_t aTimeout, const mozilla::dom::Sequence& aArguments, mozilla::ErrorResult& aError); int32_t SetTimeout(JSContext* aCx, const nsAString& aHandler, int32_t aTimeout, const mozilla::dom::Sequence& /* unused */, mozilla::ErrorResult& aError); void ClearTimeout(int32_t aHandle, mozilla::ErrorResult& aError); int32_t SetInterval(JSContext* aCx, mozilla::dom::Function& aFunction, const mozilla::dom::Optional& aTimeout, const mozilla::dom::Sequence& aArguments, mozilla::ErrorResult& aError); int32_t SetInterval(JSContext* aCx, const nsAString& aHandler, const mozilla::dom::Optional& aTimeout, const mozilla::dom::Sequence& /* unused */, mozilla::ErrorResult& aError); void ClearInterval(int32_t aHandle, mozilla::ErrorResult& aError); void Atob(const nsAString& aAsciiBase64String, nsAString& aBinaryData, mozilla::ErrorResult& aError); void Btoa(const nsAString& aBinaryData, nsAString& aAsciiBase64String, mozilla::ErrorResult& aError); mozilla::dom::DOMStorage* GetSessionStorage(mozilla::ErrorResult& aError); mozilla::dom::DOMStorage* GetLocalStorage(mozilla::ErrorResult& aError); mozilla::dom::Selection* GetSelectionOuter(); mozilla::dom::Selection* GetSelection(mozilla::ErrorResult& aError); already_AddRefed GetSelection() override; mozilla::dom::indexedDB::IDBFactory* GetIndexedDB(mozilla::ErrorResult& aError); already_AddRefed GetComputedStyle(mozilla::dom::Element& aElt, const nsAString& aPseudoElt, mozilla::ErrorResult& aError) override; already_AddRefed MatchMediaOuter(const nsAString& aQuery); already_AddRefed MatchMedia(const nsAString& aQuery, mozilla::ErrorResult& aError); nsScreen* GetScreen(mozilla::ErrorResult& aError); nsIDOMScreen* GetScreen() override; void MoveToOuter(int32_t aXPos, int32_t aYPos, mozilla::ErrorResult& aError, bool aCallerIsChrome); void MoveTo(int32_t aXPos, int32_t aYPos, mozilla::ErrorResult& aError); void MoveByOuter(int32_t aXDif, int32_t aYDif, mozilla::ErrorResult& aError, bool aCallerIsChrome); void MoveBy(int32_t aXDif, int32_t aYDif, mozilla::ErrorResult& aError); nsresult MoveBy(int32_t aXDif, int32_t aYDif) override; void ResizeToOuter(int32_t aWidth, int32_t aHeight, mozilla::ErrorResult& aError, bool aCallerIsChrome); void ResizeTo(int32_t aWidth, int32_t aHeight, mozilla::ErrorResult& aError); void ResizeByOuter(int32_t aWidthDif, int32_t aHeightDif, mozilla::ErrorResult& aError, bool aCallerIsChrome); void ResizeBy(int32_t aWidthDif, int32_t aHeightDif, mozilla::ErrorResult& aError); void Scroll(double aXScroll, double aYScroll); void Scroll(const mozilla::dom::ScrollToOptions& aOptions); void ScrollTo(double aXScroll, double aYScroll); void ScrollTo(const mozilla::dom::ScrollToOptions& aOptions); void ScrollBy(double aXScrollDif, double aYScrollDif); void ScrollBy(const mozilla::dom::ScrollToOptions& aOptions); void ScrollByLines(int32_t numLines, const mozilla::dom::ScrollOptions& aOptions); void ScrollByPages(int32_t numPages, const mozilla::dom::ScrollOptions& aOptions); void MozScrollSnap(); void GetInnerWidth(JSContext* aCx, JS::MutableHandle aValue, mozilla::ErrorResult& aError); void SetInnerWidth(JSContext* aCx, JS::Handle aValue, mozilla::ErrorResult& aError); void GetInnerHeight(JSContext* aCx, JS::MutableHandle aValue, mozilla::ErrorResult& aError); void SetInnerHeight(JSContext* aCx, JS::Handle aValue, mozilla::ErrorResult& aError); int32_t GetScrollXOuter(); int32_t GetScrollX(mozilla::ErrorResult& aError); int32_t GetPageXOffset(mozilla::ErrorResult& aError) { return GetScrollX(aError); } int32_t GetScrollYOuter(); int32_t GetScrollY(mozilla::ErrorResult& aError); int32_t GetPageYOffset(mozilla::ErrorResult& aError) { return GetScrollY(aError); } void MozRequestOverfill(mozilla::dom::OverfillCallback& aCallback, mozilla::ErrorResult& aError); void GetScreenX(JSContext* aCx, JS::MutableHandle aValue, mozilla::ErrorResult& aError); void SetScreenX(JSContext* aCx, JS::Handle aValue, mozilla::ErrorResult& aError); void GetScreenY(JSContext* aCx, JS::MutableHandle aValue, mozilla::ErrorResult& aError); void SetScreenY(JSContext* aCx, JS::Handle aValue, mozilla::ErrorResult& aError); void GetOuterWidth(JSContext* aCx, JS::MutableHandle aValue, mozilla::ErrorResult& aError); void SetOuterWidth(JSContext* aCx, JS::Handle aValue, mozilla::ErrorResult& aError); void GetOuterHeight(JSContext* aCx, JS::MutableHandle aValue, mozilla::ErrorResult& aError); void SetOuterHeight(JSContext* aCx, JS::Handle aValue, mozilla::ErrorResult& aError); int32_t RequestAnimationFrame(mozilla::dom::FrameRequestCallback& aCallback, mozilla::ErrorResult& aError); void CancelAnimationFrame(int32_t aHandle, mozilla::ErrorResult& aError); #ifdef MOZ_WEBSPEECH mozilla::dom::SpeechSynthesis* GetSpeechSynthesis(mozilla::ErrorResult& aError); #endif already_AddRefed GetDefaultComputedStyle(mozilla::dom::Element& aElt, const nsAString& aPseudoElt, mozilla::ErrorResult& aError); void SizeToContentOuter(mozilla::ErrorResult& aError, bool aCallerIsChrome); void SizeToContent(mozilla::ErrorResult& aError); mozilla::dom::Crypto* GetCrypto(mozilla::ErrorResult& aError); nsIControllers* GetControllersOuter(mozilla::ErrorResult& aError); nsIControllers* GetControllers(mozilla::ErrorResult& aError); nsresult GetControllers(nsIControllers** aControllers) override; mozilla::dom::Element* GetRealFrameElementOuter(); mozilla::dom::Element* GetRealFrameElement(mozilla::ErrorResult& aError); float GetMozInnerScreenXOuter(); float GetMozInnerScreenX(mozilla::ErrorResult& aError); float GetMozInnerScreenYOuter(); float GetMozInnerScreenY(mozilla::ErrorResult& aError); float GetDevicePixelRatioOuter(); float GetDevicePixelRatio(mozilla::ErrorResult& aError); nsresult GetDevicePixelRatio(float* aRatio) override; int32_t GetScrollMinX(mozilla::ErrorResult& aError); int32_t GetScrollMinY(mozilla::ErrorResult& aError); int32_t GetScrollMaxX(mozilla::ErrorResult& aError); int32_t GetScrollMaxY(mozilla::ErrorResult& aError); bool GetFullScreenOuter(); bool GetFullScreen(mozilla::ErrorResult& aError); bool GetFullScreen() override; void SetFullScreenOuter(bool aFullScreen, mozilla::ErrorResult& aError); void SetFullScreen(bool aFullScreen, mozilla::ErrorResult& aError); nsresult SetFullScreen(bool aFullScreen) override; void BackOuter(mozilla::ErrorResult& aError); void Back(mozilla::ErrorResult& aError); void ForwardOuter(mozilla::ErrorResult& aError); void Forward(mozilla::ErrorResult& aError); void HomeOuter(mozilla::ErrorResult& aError); void Home(mozilla::ErrorResult& aError); bool FindOuter(const nsAString& aString, bool aCaseSensitive, bool aBackwards, bool aWrapAround, bool aWholeWord, bool aSearchInFrames, bool aShowDialog, mozilla::ErrorResult& aError); bool Find(const nsAString& aString, bool aCaseSensitive, bool aBackwards, bool aWrapAround, bool aWholeWord, bool aSearchInFrames, bool aShowDialog, mozilla::ErrorResult& aError); uint64_t GetMozPaintCountOuter(); uint64_t GetMozPaintCount(mozilla::ErrorResult& aError); bool ShouldResistFingerprinting(); mozilla::dom::MozSelfSupport* GetMozSelfSupport(mozilla::ErrorResult& aError); already_AddRefed OpenDialogOuter(JSContext* aCx, const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, const mozilla::dom::Sequence& aExtraArgument, mozilla::ErrorResult& aError); already_AddRefed OpenDialog(JSContext* aCx, const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, const mozilla::dom::Sequence& aExtraArgument, mozilla::ErrorResult& aError); nsresult OpenDialog(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, nsISupports* aExtraArgument, nsIDOMWindow** _retval) override; nsresult UpdateCommands(const nsAString& anAction, nsISelection* aSel, int16_t aReason) override; already_AddRefed GetContentInternal(mozilla::ErrorResult& aError, bool aUnprivilegedCaller); void GetContentOuter(JSContext* aCx, JS::MutableHandle aRetval, mozilla::ErrorResult& aError); void GetContent(JSContext* aCx, JS::MutableHandle aRetval, mozilla::ErrorResult& aError); already_AddRefed GetContent() { MOZ_ASSERT(IsOuterWindow()); mozilla::ErrorResult ignored; nsCOMPtr win = GetContentInternal(ignored, /* aUnprivilegedCaller = */ false); ignored.SuppressException(); return win.forget(); } void Get_content(JSContext* aCx, JS::MutableHandle aRetval, mozilla::ErrorResult& aError) { if (mDoc) { mDoc->WarnOnceAbout(nsIDocument::eWindow_Content); } GetContent(aCx, aRetval, aError); } already_AddRefed CreateImageBitmap(const mozilla::dom::ImageBitmapSource& aImage, mozilla::ErrorResult& aRv); already_AddRefed CreateImageBitmap(const mozilla::dom::ImageBitmapSource& aImage, int32_t aSx, int32_t aSy, int32_t aSw, int32_t aSh, mozilla::ErrorResult& aRv); // ChromeWindow bits. Do NOT call these unless your window is in // fact an nsGlobalChromeWindow. uint16_t WindowState(); nsIBrowserDOMWindow* GetBrowserDOMWindowOuter(); nsIBrowserDOMWindow* GetBrowserDOMWindow(mozilla::ErrorResult& aError); void SetBrowserDOMWindowOuter(nsIBrowserDOMWindow* aBrowserWindow); void SetBrowserDOMWindow(nsIBrowserDOMWindow* aBrowserWindow, mozilla::ErrorResult& aError); void GetAttention(mozilla::ErrorResult& aError); void GetAttentionWithCycleCount(int32_t aCycleCount, mozilla::ErrorResult& aError); void SetCursorOuter(const nsAString& aCursor, mozilla::ErrorResult& aError); void SetCursor(const nsAString& aCursor, mozilla::ErrorResult& aError); void Maximize(mozilla::ErrorResult& aError); void Minimize(mozilla::ErrorResult& aError); void Restore(mozilla::ErrorResult& aError); void NotifyDefaultButtonLoaded(mozilla::dom::Element& aDefaultButton, mozilla::ErrorResult& aError); nsIMessageBroadcaster* GetMessageManager(mozilla::ErrorResult& aError); nsIMessageBroadcaster* GetGroupMessageManager(const nsAString& aGroup, mozilla::ErrorResult& aError); void BeginWindowMove(mozilla::dom::Event& aMouseDownEvent, mozilla::dom::Element* aPanel, mozilla::ErrorResult& aError); void GetDialogArgumentsOuter(JSContext* aCx, JS::MutableHandle aRetval, mozilla::ErrorResult& aError); void GetDialogArguments(JSContext* aCx, JS::MutableHandle aRetval, mozilla::ErrorResult& aError); void GetReturnValueOuter(JSContext* aCx, JS::MutableHandle aReturnValue, mozilla::ErrorResult& aError); void GetReturnValue(JSContext* aCx, JS::MutableHandle aReturnValue, mozilla::ErrorResult& aError); void SetReturnValueOuter(JSContext* aCx, JS::Handle aReturnValue, mozilla::ErrorResult& aError); void SetReturnValue(JSContext* aCx, JS::Handle aReturnValue, mozilla::ErrorResult& aError); void GetInterface(JSContext* aCx, nsIJSID* aIID, JS::MutableHandle aRetval, mozilla::ErrorResult& aError); already_AddRefed GetWindowRootOuter(); already_AddRefed GetWindowRoot(mozilla::ErrorResult& aError); protected: // Web IDL helpers // Redefine the property called aPropName on this window object to be a value // property with the value aValue, much like we would do for a [Replaceable] // property in IDL. void RedefineProperty(JSContext* aCx, const char* aPropName, JS::Handle aValue, mozilla::ErrorResult& aError); // Implementation guts for our writable IDL attributes that are really // supposed to be readonly replaceable. typedef int32_t (nsGlobalWindow::*WindowCoordGetter)(mozilla::ErrorResult&); typedef void (nsGlobalWindow::*WindowCoordSetter)(int32_t, mozilla::ErrorResult&); void GetReplaceableWindowCoord(JSContext* aCx, WindowCoordGetter aGetter, JS::MutableHandle aRetval, mozilla::ErrorResult& aError); void SetReplaceableWindowCoord(JSContext* aCx, WindowCoordSetter aSetter, JS::Handle aValue, const char* aPropName, mozilla::ErrorResult& aError); // And the implementations of WindowCoordGetter/WindowCoordSetter. public: int32_t GetInnerWidthOuter(mozilla::ErrorResult& aError); protected: int32_t GetInnerWidth(mozilla::ErrorResult& aError); nsresult GetInnerWidth(int32_t* aWidth) override; void SetInnerWidthOuter(int32_t aInnerWidth, mozilla::ErrorResult& aError, bool aCallerIsChrome); void SetInnerWidth(int32_t aInnerWidth, mozilla::ErrorResult& aError); public: int32_t GetInnerHeightOuter(mozilla::ErrorResult& aError); protected: int32_t GetInnerHeight(mozilla::ErrorResult& aError); nsresult GetInnerHeight(int32_t* aHeight) override; void SetInnerHeightOuter(int32_t aInnerHeight, mozilla::ErrorResult& aError, bool aCallerIsChrome); void SetInnerHeight(int32_t aInnerHeight, mozilla::ErrorResult& aError); int32_t GetScreenXOuter(mozilla::ErrorResult& aError); int32_t GetScreenX(mozilla::ErrorResult& aError); void SetScreenXOuter(int32_t aScreenX, mozilla::ErrorResult& aError, bool aCallerIsChrome); void SetScreenX(int32_t aScreenX, mozilla::ErrorResult& aError); int32_t GetScreenYOuter(mozilla::ErrorResult& aError); int32_t GetScreenY(mozilla::ErrorResult& aError); void SetScreenYOuter(int32_t aScreenY, mozilla::ErrorResult& aError, bool aCallerIsChrome); void SetScreenY(int32_t aScreenY, mozilla::ErrorResult& aError); int32_t GetOuterWidthOuter(mozilla::ErrorResult& aError); int32_t GetOuterWidth(mozilla::ErrorResult& aError); void SetOuterWidthOuter(int32_t aOuterWidth, mozilla::ErrorResult& aError, bool aCallerIsChrome); void SetOuterWidth(int32_t aOuterWidth, mozilla::ErrorResult& aError); int32_t GetOuterHeightOuter(mozilla::ErrorResult& aError); int32_t GetOuterHeight(mozilla::ErrorResult& aError); void SetOuterHeightOuter(int32_t aOuterHeight, mozilla::ErrorResult& aError, bool aCallerIsChrome); void SetOuterHeight(int32_t aOuterHeight, mozilla::ErrorResult& aError); // Array of idle observers that are notified of idle events. nsTObserverArray mIdleObservers; // Idle timer used for function callbacks to notify idle observers. nsCOMPtr mIdleTimer; // Idle fuzz time added to idle timer callbacks. uint32_t mIdleFuzzFactor; // Index in mArrayIdleObservers // Next idle observer to notify user idle status int32_t mIdleCallbackIndex; // If false then the topic is "active" // If true then the topic is "idle" bool mCurrentlyIdle; // Set to true when a fuzz time needs to be applied // to active notifications to the idle observer. bool mAddActiveEventFuzzTime; nsCOMPtr mIdleService; RefPtr mWakeLock; static bool sIdleObserversAPIFuzzTimeDisabled; friend class HashchangeCallback; friend class mozilla::dom::BarProp; // Object Management virtual ~nsGlobalWindow(); void DropOuterWindowDocs(); void CleanUp(); void ClearControllers(); // Outer windows only. void FinalClose(); inline void MaybeClearInnerWindow(nsGlobalWindow* aExpectedInner) { if(mInnerWindow == aExpectedInner) { mInnerWindow = nullptr; } } void FreeInnerObjects(); nsGlobalWindow *CallerInnerWindow(); // Only to be called on an inner window. // aDocument must not be null. void InnerSetNewDocument(JSContext* aCx, nsIDocument* aDocument); // Inner windows only. nsresult DefineArgumentsProperty(nsIArray *aArguments); // Get the parent, returns null if this is a toplevel window nsIDOMWindow* GetParentInternal(); // popup tracking bool IsPopupSpamWindow() { if (IsInnerWindow() && !mOuterWindow) { return false; } return GetOuterWindowInternal()->mIsPopupSpam; } void SetPopupSpamWindow(bool aPopup) { if (IsInnerWindow() && !mOuterWindow) { NS_ERROR("SetPopupSpamWindow() called on inner window w/o an outer!"); return; } GetOuterWindowInternal()->mIsPopupSpam = aPopup; } // Window Control Functions // Outer windows only. virtual nsresult OpenNoNavigate(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, nsIDOMWindow** _retval) override; private: /** * @param aUrl the URL we intend to load into the window. If aNavigate is * true, we'll actually load this URL into the window. Otherwise, * aUrl is advisory; OpenInternal will not load the URL into the * new window. * * @param aName the name to use for the new window * * @param aOptions the window options to use for the new window * * @param aDialog true when called from variants of OpenDialog. If this is * true, this method will skip popup blocking checks. The aDialog * argument is passed on to the window watcher. * * @param aCalledNoScript true when called via the [noscript] open() * and openDialog() methods. When this is true, we do NOT want to use * the JS stack for things like caller determination. * * @param aDoJSFixups true when this is the content-accessible JS version of * window opening. When true, popups do not cause us to throw, we save * the caller's principal in the new window for later consumption, and * we make sure that there is a document in the newly-opened window. * Note that this last will only be done if the newly-opened window is * non-chrome. * * @param aNavigate true if we should navigate to the provided URL, false * otherwise. When aNavigate is false, we also skip our can-load * security check, on the assumption that whoever *actually* loads this * page will do their own security check. * * @param argv The arguments to pass to the new window. The first * three args, if present, will be aUrl, aName, and aOptions. So this * param only matters if there are more than 3 arguments. * * @param argc The number of arguments in argv. * * @param aExtraArgument Another way to pass arguments in. This is mutually * exclusive with the argv/argc approach. * * @param aJSCallerContext The calling script's context. This must be null * when aCalledNoScript is true. * * @param aReturn [out] The window that was opened, if any. * * Outer windows only. */ nsresult OpenInternal(const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, bool aDialog, bool aContentModal, bool aCalledNoScript, bool aDoJSFixups, bool aNavigate, nsIArray *argv, nsISupports *aExtraArgument, nsIPrincipal *aCalleePrincipal, JSContext *aJSCallerContext, nsIDOMWindow **aReturn); public: // Timeout Functions // Language agnostic timeout function (all args passed). // |interval| is in milliseconds. nsresult SetTimeoutOrInterval(nsIScriptTimeoutHandler *aHandler, int32_t interval, bool aIsInterval, int32_t* aReturn) override; int32_t SetTimeoutOrInterval(JSContext* aCx, mozilla::dom::Function& aFunction, int32_t aTimeout, const mozilla::dom::Sequence& aArguments, bool aIsInterval, mozilla::ErrorResult& aError); int32_t SetTimeoutOrInterval(JSContext* aCx, const nsAString& aHandler, int32_t aTimeout, bool aIsInterval, mozilla::ErrorResult& aError); void ClearTimeoutOrInterval(int32_t aTimerID, mozilla::ErrorResult& aError); nsresult ClearTimeoutOrInterval(int32_t aTimerID) override { mozilla::ErrorResult rv; ClearTimeoutOrInterval(aTimerID, rv); return rv.StealNSResult(); } // JS specific timeout functions (JS args grabbed from context). nsresult ResetTimersForNonBackgroundWindow(); // The timeout implementation functions. void RunTimeout(nsTimeout *aTimeout); void RunTimeout() { RunTimeout(nullptr); } // Return true if |aTimeout| was cleared while its handler ran. bool RunTimeoutHandler(nsTimeout* aTimeout, nsIScriptContext* aScx); // Return true if |aTimeout| needs to be reinserted into the timeout list. bool RescheduleTimeout(nsTimeout* aTimeout, const TimeStamp& now, bool aRunningPendingTimeouts); void ClearAllTimeouts(); // Insert aTimeout into the list, before all timeouts that would // fire after it, but no earlier than mTimeoutInsertionPoint, if any. void InsertTimeoutIntoList(nsTimeout *aTimeout); static void TimerCallback(nsITimer *aTimer, void *aClosure); static void TimerNameCallback(nsITimer* aTimer, void* aClosure, char* aBuf, size_t aLen); // Helper Functions already_AddRefed GetTreeOwner(); already_AddRefed GetTreeOwnerWindow(); already_AddRefed GetWebBrowserChrome(); nsresult SecurityCheckURL(const char *aURL); bool IsPrivateBrowsing(); bool PopupWhitelisted(); PopupControlState RevisePopupAbuseLevel(PopupControlState); void FireAbuseEvents(bool aBlocked, bool aWindow, const nsAString &aPopupURL, const nsAString &aPopupWindowName, const nsAString &aPopupWindowFeatures); void FireOfflineStatusEventIfChanged(); bool GetIsPrerendered(); // Inner windows only. nsresult ScheduleNextIdleObserverCallback(); uint32_t GetFuzzTimeMS(); nsresult ScheduleActiveTimerCallback(); uint32_t FindInsertionIndex(IdleObserverHolder* aIdleObserver); virtual nsresult RegisterIdleObserver(nsIIdleObserver* aIdleObserverPtr) override; nsresult FindIndexOfElementToRemove(nsIIdleObserver* aIdleObserver, int32_t* aRemoveElementIndex); virtual nsresult UnregisterIdleObserver(nsIIdleObserver* aIdleObserverPtr) override; // Inner windows only. nsresult FireHashchange(const nsAString &aOldURL, const nsAString &aNewURL); void FlushPendingNotifications(mozFlushType aType); // Outer windows only. void EnsureReflowFlushAndPaint(); void CheckSecurityWidthAndHeight(int32_t* width, int32_t* height, bool aCallerIsChrome); void CheckSecurityLeftAndTop(int32_t* left, int32_t* top, bool aCallerIsChrome); // Outer windows only. // Arguments to this function should have values in app units void SetCSSViewportWidthAndHeight(nscoord width, nscoord height); // Arguments to this function should have values in device pixels nsresult SetDocShellWidthAndHeight(int32_t width, int32_t height); static bool CanSetProperty(const char *aPrefName); static void MakeScriptDialogTitle(nsAString &aOutTitle); // Outer windows only. bool CanMoveResizeWindows(bool aCallerIsChrome); // If aDoFlush is true, we'll flush our own layout; otherwise we'll try to // just flush our parent and only flush ourselves if we think we need to. // Outer windows only. mozilla::CSSIntPoint GetScrollXY(bool aDoFlush); int32_t GetScrollBoundaryOuter(mozilla::Side aSide); // Outer windows only. nsresult GetInnerSize(mozilla::CSSIntSize& aSize); nsIntSize GetOuterSize(mozilla::ErrorResult& aError); void SetOuterSize(int32_t aLengthCSSPixels, bool aIsWidth, mozilla::ErrorResult& aError, bool aCallerIsChrome); nsRect GetInnerScreenRect(); void ScrollTo(const mozilla::CSSIntPoint& aScroll, const mozilla::dom::ScrollOptions& aOptions); bool IsFrame() { return GetParentInternal() != nullptr; } // Outer windows only. // If aLookForCallerOnJSStack is true, this method will look at the JS stack // to determine who the caller is. If it's false, it'll use |this| as the // caller. bool WindowExists(const nsAString& aName, bool aLookForCallerOnJSStack); already_AddRefed GetMainWidget(); nsIWidget* GetNearestWidget() const; void Freeze() { NS_ASSERTION(!IsFrozen(), "Double-freezing?"); mIsFrozen = true; NotifyDOMWindowFrozen(this); } void Thaw() { mIsFrozen = false; NotifyDOMWindowThawed(this); } bool IsInModalState(); // Convenience functions for the many methods that need to scale // from device to CSS pixels or vice versa. Note: if a presentation // context is not available, they will assume a 1:1 ratio. int32_t DevToCSSIntPixels(int32_t px); int32_t CSSToDevIntPixels(int32_t px); nsIntSize DevToCSSIntPixels(nsIntSize px); nsIntSize CSSToDevIntPixels(nsIntSize px); virtual void SetFocusedNode(nsIContent* aNode, uint32_t aFocusMethod = 0, bool aNeedsFocus = false) override; virtual uint32_t GetFocusMethod() override; virtual bool ShouldShowFocusRing() override; virtual void SetKeyboardIndicators(UIStateChangeType aShowAccelerators, UIStateChangeType aShowFocusRings) override; virtual void GetKeyboardIndicators(bool* aShowAccelerators, bool* aShowFocusRings) override; // Inner windows only. void UpdateCanvasFocus(bool aFocusChanged, nsIContent* aNewContent); public: virtual already_AddRefed GetTopWindowRoot() override; protected: static void NotifyDOMWindowDestroyed(nsGlobalWindow* aWindow); void NotifyWindowIDDestroyed(const char* aTopic); static void NotifyDOMWindowFrozen(nsGlobalWindow* aWindow); static void NotifyDOMWindowThawed(nsGlobalWindow* aWindow); void ClearStatus(); virtual void UpdateParentTarget() override; inline int32_t DOMMinTimeoutValue() const; // Clear the document-dependent slots on our JS wrapper. Inner windows only. void ClearDocumentDependentSlots(JSContext* aCx); // Inner windows only. already_AddRefed CloneStorageEvent(const nsAString& aType, const RefPtr& aEvent, mozilla::ErrorResult& aRv); // Outer windows only. nsDOMWindowList* GetWindowList(); // Helper for getComputedStyle and getDefaultComputedStyle already_AddRefed GetComputedStyleHelperOuter(mozilla::dom::Element& aElt, const nsAString& aPseudoElt, bool aDefaultStylesOnly); already_AddRefed GetComputedStyleHelper(mozilla::dom::Element& aElt, const nsAString& aPseudoElt, bool aDefaultStylesOnly, mozilla::ErrorResult& aError); nsresult GetComputedStyleHelper(nsIDOMElement* aElt, const nsAString& aPseudoElt, bool aDefaultStylesOnly, nsIDOMCSSStyleDeclaration** aReturn); // Outer windows only. void PreloadLocalStorage(); // Returns device pixels. Outer windows only. nsIntPoint GetScreenXY(mozilla::ErrorResult& aError); nsGlobalWindow* InnerForSetTimeoutOrInterval(mozilla::ErrorResult& aError); void PostMessageMozOuter(JSContext* aCx, JS::Handle aMessage, const nsAString& aTargetOrigin, JS::Handle aTransfer, mozilla::ErrorResult& aError); void PostMessageMoz(JSContext* aCx, JS::Handle aMessage, const nsAString& aTargetOrigin, JS::Handle aTransfer, mozilla::ErrorResult& aError); already_AddRefed ShowModalDialogOuter(const nsAString& aUrl, nsIVariant* aArgument, const nsAString& aOptions, mozilla::ErrorResult& aError); already_AddRefed ShowModalDialog(const nsAString& aUrl, nsIVariant* aArgument, const nsAString& aOptions, mozilla::ErrorResult& aError); // Ask the user if further dialogs should be blocked, if dialogs are currently // being abused. This is used in the cases where we have no modifiable UI to // show, in that case we show a separate dialog to ask this question. bool ConfirmDialogIfNeeded(); private: // Fire the JS engine's onNewGlobalObject hook. Only used on inner windows. void FireOnNewGlobalObject(); void DisconnectEventTargetObjects(); protected: // This member is also used on both inner and outer windows, but // for slightly different purposes. On inner windows it means the // inner window is held onto by session history and should not // change. On outer windows it means that the window is in a state // where we don't want to force creation of a new inner window since // we're in the middle of doing just that. bool mIsFrozen : 1; // These members are only used on outer window objects. Make sure // you never set any of these on an inner object! bool mFullScreen : 1; bool mFullscreenMode : 1; bool mIsClosed : 1; bool mInClose : 1; // mHavePendingClose means we've got a termination function set to // close us when the JS stops executing or that we have a close // event posted. If this is set, just ignore window.close() calls. bool mHavePendingClose : 1; bool mHadOriginalOpener : 1; bool mIsPopupSpam : 1; // Indicates whether scripts are allowed to close this window. bool mBlockScriptedClosingFlag : 1; // Window offline status. Checked to see if we need to fire offline event bool mWasOffline : 1; // Track what sorts of events we need to fire when thawed bool mNotifyIdleObserversIdleOnThaw : 1; bool mNotifyIdleObserversActiveOnThaw : 1; // Indicates whether we're in the middle of creating an initializing // a new inner window object. bool mCreatingInnerWindow : 1; // Fast way to tell if this is a chrome window (without having to QI). bool mIsChrome : 1; // Hack to indicate whether a chrome window needs its message manager // to be disconnected, since clean up code is shared in the global // window superclass. bool mCleanMessageManager : 1; // Indicates that the current document has never received a document focus // event. bool mNeedsFocus : 1; bool mHasFocus : 1; // whether to show keyboard accelerators bool mShowAccelerators : 1; // whether to show focus rings bool mShowFocusRings : 1; // when true, show focus rings for the current focused content only. // This will be reset when another element is focused bool mShowFocusRingForContent : 1; // true if tab navigation has occurred for this window. Focus rings // should be displayed. bool mFocusByKeyOccurred : 1; // Ensure that a call to ResumeTimeouts() after FreeInnerObjects() does nothing. // This member is only used by inner windows. bool mInnerObjectsFreed : 1; // Inner windows only. // Indicates whether this window wants gamepad input events bool mHasGamepad : 1; #ifdef MOZ_GAMEPAD nsCheapSet mGamepadIndexSet; nsRefPtrHashtable mGamepads; bool mHasSeenGamepadInput; #endif // whether we've sent the destroy notification for our window id bool mNotifiedIDDestroyed : 1; // whether scripts may close the window, // even if "dom.allow_scripts_to_close_windows" is false. bool mAllowScriptsToClose : 1; nsCOMPtr mContext; nsWeakPtr mOpener; nsCOMPtr mControllers; // For |window.arguments|, via |openDialog|. nsCOMPtr mArguments; // For |window.dialogArguments|, via |showModalDialog|. RefPtr mDialogArguments; // Only used in the outer. RefPtr mReturnValue; RefPtr mNavigator; RefPtr mScreen; RefPtr mFrames; // All BarProps are inner window only. RefPtr mMenubar; RefPtr mToolbar; RefPtr mLocationbar; RefPtr mPersonalbar; RefPtr mStatusbar; RefPtr mScrollbars; RefPtr mWindowUtils; nsString mStatus; nsString mDefaultStatus; RefPtr mObserver; // Inner windows only. RefPtr mCrypto; RefPtr mCacheStorage; RefPtr mConsole; // We need to store an nsISupports pointer to this object because the // mozilla::dom::External class doesn't exist on b2g and using the type // forward declared here means that ~nsGlobalWindow wouldn't compile because // it wouldn't see the ~External function's declaration. nsCOMPtr mExternal; RefPtr mMozSelfSupport; RefPtr mLocalStorage; RefPtr mSessionStorage; // These member variable are used only on inner windows. RefPtr mListenerManager; // mTimeouts is generally sorted by mWhen, unless mTimeoutInsertionPoint is // non-null. In that case, the dummy timeout pointed to by // mTimeoutInsertionPoint may have a later mWhen than some of the timeouts // that come after it. mozilla::LinkedList mTimeouts; // If mTimeoutInsertionPoint is non-null, insertions should happen after it. // This is a dummy timeout at the moment; if that ever changes, the logic in // ResetTimersForNonBackgroundWindow needs to change. nsTimeout* mTimeoutInsertionPoint; uint32_t mTimeoutPublicIdCounter; uint32_t mTimeoutFiringDepth; RefPtr mLocation; RefPtr mHistory; // These member variables are used on both inner and the outer windows. nsCOMPtr mDocumentPrincipal; typedef nsTArray> nsDOMStorageEventArray; nsDOMStorageEventArray mPendingStorageEvents; uint32_t mTimeoutsSuspendDepth; // the method that was used to focus mFocusedNode uint32_t mFocusMethod; uint32_t mSerial; #ifdef DEBUG bool mSetOpenerWindowCalled; nsCOMPtr mLastOpenedURI; #endif #ifdef MOZ_B2G bool mNetworkUploadObserverEnabled; bool mNetworkDownloadObserverEnabled; #endif // MOZ_B2G bool mCleanedUp; nsCOMPtr mApplicationCache; nsAutoPtr, JSObject*> > mCachedXBLPrototypeHandlers; // mSuspendedDoc is only set on outer windows. It's useful when we get matched // EnterModalState/LeaveModalState calls, in which case the outer window is // responsible for unsuspending events on the document. If we don't (for // example, if the outer window is closed before the LeaveModalState call), // then the inner window whose mDoc is our mSuspendedDoc is responsible for // unsuspending it. nsCOMPtr mSuspendedDoc; RefPtr mIndexedDB; // This counts the number of windows that have been opened in rapid succession // (i.e. within dom.successive_dialog_time_limit of each other). It is reset // to 0 once a dialog is opened after dom.successive_dialog_time_limit seconds // have elapsed without any other dialogs. uint32_t mDialogAbuseCount; // This holds the time when the last modal dialog was shown. If more than // MAX_DIALOG_LIMIT dialogs are shown within the time span defined by // dom.successive_dialog_time_limit, we show a checkbox or confirmation prompt // to allow disabling of further dialogs from this window. TimeStamp mLastDialogQuitTime; // This flag keeps track of whether dialogs are // currently enabled on this window. bool mAreDialogsEnabled; nsTHashtable > mEventTargetObjects; nsTArray mEnabledSensors; #if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GONK) nsAutoPtr mOrientationChangeObserver; #endif #ifdef MOZ_WEBSPEECH // mSpeechSynthesis is only used on inner windows. RefPtr mSpeechSynthesis; #endif // This is the CC generation the last time we called CanSkip. uint32_t mCanSkipCCGeneration; // Did VR get initialized for this window? bool mVRDevicesInitialized; // The VRDevies for this window nsTArray> mVRDevices; // Any attached HMD when fullscreen RefPtr mVRHMDInfo; friend class nsDOMScriptableHelper; friend class nsDOMWindowUtils; friend class mozilla::dom::PostMessageEvent; friend class DesktopNotification; static WindowByIdTable* sWindowsById; static bool sWarnedAboutWindowInternal; }; inline nsISupports* ToSupports(nsGlobalWindow *p) { return static_cast(p); } inline nsISupports* ToCanonicalSupports(nsGlobalWindow *p) { return static_cast(p); } /* * nsGlobalChromeWindow inherits from nsGlobalWindow. It is the global * object created for a Chrome Window only. */ class nsGlobalChromeWindow : public nsGlobalWindow, public nsIDOMChromeWindow { public: // nsISupports NS_DECL_ISUPPORTS_INHERITED // nsIDOMChromeWindow interface NS_DECL_NSIDOMCHROMEWINDOW static already_AddRefed Create(nsGlobalWindow *aOuterWindow); void DisconnectAndClearGroupMessageManagers() { for (auto iter = mGroupMessageManagers.Iter(); !iter.Done(); iter.Next()) { nsIMessageBroadcaster* mm = iter.UserData(); if (mm) { static_cast(mm)->Disconnect(); } } mGroupMessageManagers.Clear(); } protected: explicit nsGlobalChromeWindow(nsGlobalWindow *aOuterWindow) : nsGlobalWindow(aOuterWindow), mGroupMessageManagers(1) { mIsChrome = true; mCleanMessageManager = true; } ~nsGlobalChromeWindow() { MOZ_ASSERT(mCleanMessageManager, "chrome windows may always disconnect the msg manager"); DisconnectAndClearGroupMessageManagers(); if (mMessageManager) { static_cast( mMessageManager.get())->Disconnect(); } mCleanMessageManager = false; } public: NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsGlobalChromeWindow, nsGlobalWindow) using nsGlobalWindow::GetBrowserDOMWindow; using nsGlobalWindow::SetBrowserDOMWindow; using nsGlobalWindow::GetAttention; using nsGlobalWindow::GetAttentionWithCycleCount; using nsGlobalWindow::SetCursor; using nsGlobalWindow::Maximize; using nsGlobalWindow::Minimize; using nsGlobalWindow::Restore; using nsGlobalWindow::NotifyDefaultButtonLoaded; using nsGlobalWindow::GetMessageManager; using nsGlobalWindow::GetGroupMessageManager; using nsGlobalWindow::BeginWindowMove; nsCOMPtr mBrowserDOMWindow; nsCOMPtr mMessageManager; nsInterfaceHashtable mGroupMessageManagers; }; /* * nsGlobalModalWindow inherits from nsGlobalWindow. It is the global * object created for a modal content windows only (i.e. not modal * chrome dialogs). */ class nsGlobalModalWindow : public nsGlobalWindow, public nsIDOMModalContentWindow { public: NS_DECL_ISUPPORTS_INHERITED NS_DECL_NSIDOMMODALCONTENTWINDOW static already_AddRefed Create(nsGlobalWindow *aOuterWindow); protected: explicit nsGlobalModalWindow(nsGlobalWindow *aOuterWindow) : nsGlobalWindow(aOuterWindow) { mIsModalContentWindow = true; } ~nsGlobalModalWindow() {} }; /* factory function */ inline already_AddRefed NS_NewScriptGlobalObject(bool aIsChrome, bool aIsModalContentWindow) { RefPtr global; if (aIsChrome) { global = nsGlobalChromeWindow::Create(nullptr); } else if (aIsModalContentWindow) { global = nsGlobalModalWindow::Create(nullptr); } else { global = nsGlobalWindow::Create(nullptr); } return global.forget(); } #endif /* nsGlobalWindow_h___ */