The Tor Browser: dom/base/nsGlobalWindow.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=2 sw=2 et tw=80: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef nsGlobalWindow_h___

     8 #define nsGlobalWindow_h___

    10 #include "nsPIDOMWindow.h"

    12 #include "nsTHashtable.h"

    13 #include "nsHashKeys.h"

    14 #include "nsRefPtrHashtable.h"

    16 // Local Includes

    17 // Helper Classes

    18 #include "nsCOMPtr.h"

    19 #include "nsAutoPtr.h"

    20 #include "nsWeakReference.h"

    21 #include "nsDataHashtable.h"

    22 #include "nsJSThingHashtable.h"

    23 #include "nsCycleCollectionParticipant.h"

    25 // Interfaces Needed

    26 #include "nsIBrowserDOMWindow.h"

    27 #include "nsIDOMEventTarget.h"

    28 #include "nsIInterfaceRequestor.h"

    29 #include "nsIDOMJSWindow.h"

    30 #include "nsIDOMChromeWindow.h"

    31 #include "nsIScriptGlobalObject.h"

    32 #include "nsIScriptObjectPrincipal.h"

    33 #include "nsITimer.h"

    34 #include "nsIDOMModalContentWindow.h"

    35 #include "mozilla/EventListenerManager.h"

    36 #include "nsIPrincipal.h"

    37 #include "nsSize.h"

    38 #include "mozFlushType.h"

    39 #include "prclist.h"

    40 #include "nsIDOMStorageEvent.h"

    41 #include "nsFrameMessageManager.h"

    42 #include "mozilla/LinkedList.h"

    43 #include "mozilla/TimeStamp.h"

    44 #include "nsIInlineEventHandlers.h"

    45 #include "nsWrapperCacheInlines.h"

    46 #include "nsIIdleObserver.h"

    47 #include "nsIDocument.h"

    48 #include "nsIDOMTouchEvent.h"

    49 #include "mozilla/dom/EventTarget.h"

    50 #include "Units.h"

    51 #include "nsComponentManagerUtils.h"

    53 #ifdef MOZ_B2G

    54 #include "nsIDOMWindowB2G.h"

    55 #endif // MOZ_B2G

    57 #ifdef MOZ_WEBSPEECH

    58 #include "nsISpeechSynthesisGetter.h"

    59 #endif // MOZ_WEBSPEECH

    61 #define DEFAULT_HOME_PAGE "www.mozilla.org"

    62 #define PREF_BROWSER_STARTUP_HOMEPAGE "browser.startup.homepage"

    64 // Amount of time allowed between alert/prompt/confirm before enabling

    65 // the stop dialog checkbox.

    66 #define DEFAULT_SUCCESSIVE_DIALOG_TIME_LIMIT 3 // 3 sec

    68 // Maximum number of successive dialogs before we prompt users to disable

    69 // dialogs for this window.

    70 #define MAX_SUCCESSIVE_DIALOG_COUNT 5

    72 // Idle fuzz time upper limit

    73 #define MAX_IDLE_FUZZ_TIME_MS 90000

    75 // Min idle notification time in seconds.

    76 #define MIN_IDLE_NOTIFICATION_TIME_S 1

    78 class nsIArray;

    79 class nsIBaseWindow;

    80 class nsIContent;

    81 class nsICSSDeclaration;

    82 class nsIDocShellTreeOwner;

    83 class nsIDOMCrypto;

    84 class nsIDOMOfflineResourceList;

    85 class nsIScrollableFrame;

    86 class nsIControllers;

    87 class nsIJSID;

    88 class nsIScriptContext;

    89 class nsIScriptTimeoutHandler;

    90 class nsIWebBrowserChrome;

    92 class nsDOMWindowList;

    93 class nsLocation;

    94 class nsScreen;

    95 class nsHistory;

    96 class nsGlobalWindowObserver;

    97 class nsGlobalWindow;

    98 class nsDOMWindowUtils;

    99 class nsIIdleService;

   100 struct nsIntSize;

   101 struct nsRect;

   103 class nsWindowSizes;

   105 namespace mozilla {

   106 class DOMEventTargetHelper;

   107 namespace dom {

   108 class BarProp;

   109 class Console;

   110 class External;

   111 class Function;

   112 class Gamepad;

   113 class MediaQueryList;

   114 class Navigator;

   115 class OwningExternalOrWindowProxy;

   116 class Selection;

   117 class SpeechSynthesis;

   118 class WakeLock;

   119 namespace indexedDB {

   120 class IDBFactory;

   121 } // namespace indexedDB

   122 } // namespace dom

   123 } // namespace mozilla

   125 extern nsresult

   126 NS_CreateJSTimeoutHandler(nsGlobalWindow *aWindow,

   127                           bool *aIsInterval,

   128                           int32_t *aInterval,

   129                           nsIScriptTimeoutHandler **aRet);

   131 extern already_AddRefed<nsIScriptTimeoutHandler>

   132 NS_CreateJSTimeoutHandler(nsGlobalWindow *aWindow,

   133                           mozilla::dom::Function& aFunction,

   134                           const mozilla::dom::Sequence<JS::Value>& aArguments,

   135                           mozilla::ErrorResult& aError);

   137 extern already_AddRefed<nsIScriptTimeoutHandler>

   138 NS_CreateJSTimeoutHandler(JSContext* aCx, nsGlobalWindow *aWindow,

   139                           const nsAString& aExpression,

   140                           mozilla::ErrorResult& aError);

   142 /*

   143  * Timeout struct that holds information about each script

   144  * timeout.  Holds a strong reference to an nsIScriptTimeoutHandler, which

   145  * abstracts the language specific cruft.

   146  */

   147 struct nsTimeout : mozilla::LinkedListElement<nsTimeout>

   148 {

   149   nsTimeout();

   150   ~nsTimeout();

   152   NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(nsTimeout)

   153   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(nsTimeout)

   155   nsresult InitTimer(nsTimerCallbackFunc aFunc, uint32_t aDelay)

   156   {

   157     return mTimer->InitWithFuncCallback(aFunc, this, aDelay,

   158                                         nsITimer::TYPE_ONE_SHOT);

   159   }

   161   bool HasRefCntOne();

   163   // Window for which this timeout fires

   164   nsRefPtr<nsGlobalWindow> mWindow;

   166   // The actual timer object

   167   nsCOMPtr<nsITimer> mTimer;

   169   // True if the timeout was cleared

   170   bool mCleared;

   172   // True if this is one of the timeouts that are currently running

   173   bool mRunning;

   175   // True if this is a repeating/interval timer

   176   bool mIsInterval;

   178   // Returned as value of setTimeout()

   179   uint32_t mPublicId;

   181   // Interval in milliseconds

   182   uint32_t mInterval;

   184   // mWhen and mTimeRemaining can't be in a union, sadly, because they

   185   // have constructors.

   186   // Nominal time to run this timeout.  Use only when timeouts are not

   187   // suspended.

   188   mozilla::TimeStamp mWhen;

   189   // Remaining time to wait.  Used only when timeouts are suspended.

   190   mozilla::TimeDuration mTimeRemaining;

   192   // Principal with which to execute

   193   nsCOMPtr<nsIPrincipal> mPrincipal;

   195   // stack depth at which timeout is firing

   196   uint32_t mFiringDepth;

   198   //

   199   uint32_t mNestingLevel;

   201   // The popup state at timeout creation time if not created from

   202   // another timeout

   203   PopupControlState mPopupState;

   205   // The language-specific information about the callback.

   206   nsCOMPtr<nsIScriptTimeoutHandler> mScriptHandler;

   207 };

   209 struct IdleObserverHolder

   210 {

   211   nsCOMPtr<nsIIdleObserver> mIdleObserver;

   212   uint32_t mTimeInS;

   213   bool mPrevNotificationIdle;

   215   IdleObserverHolder()

   216     : mTimeInS(0), mPrevNotificationIdle(false)

   217   {

   218     MOZ_COUNT_CTOR(IdleObserverHolder);

   219   }

   221   IdleObserverHolder(const IdleObserverHolder& aOther)

   222     : mIdleObserver(aOther.mIdleObserver), mTimeInS(aOther.mTimeInS),

   223       mPrevNotificationIdle(aOther.mPrevNotificationIdle)

   224   {

   225     MOZ_COUNT_CTOR(IdleObserverHolder);

   226   }

   228   bool operator==(const IdleObserverHolder& aOther) const {

   229     return

   230       mIdleObserver == aOther.mIdleObserver &&

   231       mTimeInS == aOther.mTimeInS;

   232   }

   234   ~IdleObserverHolder()

   235   {

   236     MOZ_COUNT_DTOR(IdleObserverHolder);

   237   }

   238 };

   240 static inline already_AddRefed<nsIVariant>

   241 CreateVoidVariant()

   242 {

   243   nsCOMPtr<nsIWritableVariant> writable =

   244     do_CreateInstance(NS_VARIANT_CONTRACTID);

   245   writable->SetAsVoid();

   246   return writable.forget();

   247 }

   249 // Helper class to manage modal dialog arguments and all their quirks.

   250 //

   251 // Given our clunky embedding APIs, modal dialog arguments need to be passed

   252 // as an nsISupports parameter to WindowWatcher, get stuck inside an array of

   253 // length 1, and then passed back to the newly-created dialog.

   254 //

   255 // However, we need to track both the caller-passed value as well as the

   256 // caller's, so that we can do an origin check (even for primitives) when the

   257 // value is accessed. This class encapsulates that magic.

   258 //

   259 // We also use the same machinery for |returnValue|, which needs similar origin

   260 // checks.

   261 class DialogValueHolder : public nsISupports

   262 {

   263 public:

   264   NS_DECL_CYCLE_COLLECTING_ISUPPORTS

   265   NS_DECL_CYCLE_COLLECTION_CLASS(DialogValueHolder)

   267   DialogValueHolder(nsIPrincipal* aSubject, nsIVariant* aValue)

   268     : mOrigin(aSubject)

   269     , mValue(aValue) {}

   270   nsresult Get(nsIPrincipal* aSubject, nsIVariant** aResult)

   271   {

   272     nsCOMPtr<nsIVariant> result;

   273     if (aSubject->SubsumesConsideringDomain(mOrigin)) {

   274       result = mValue;

   275     } else {

   276       result = CreateVoidVariant();

   277     }

   278     result.forget(aResult);

   279     return NS_OK;

   280   }

   281   void Get(JSContext* aCx, JS::Handle<JSObject*> aScope, nsIPrincipal* aSubject,

   282            JS::MutableHandle<JS::Value> aResult, mozilla::ErrorResult& aError)

   283   {

   284     if (aSubject->Subsumes(mOrigin)) {

   285       aError = nsContentUtils::XPConnect()->VariantToJS(aCx, aScope,

   286                                                         mValue, aResult);

   287     } else {

   288       aResult.setUndefined();

   289     }

   290   }

   291   virtual ~DialogValueHolder() {}

   292 private:

   293   nsCOMPtr<nsIPrincipal> mOrigin;

   294   nsCOMPtr<nsIVariant> mValue;

   295 };

   297 //*****************************************************************************

   298 // nsGlobalWindow: Global Object for Scripting

   299 //*****************************************************************************

   300 // Beware that all scriptable interfaces implemented by

   301 // nsGlobalWindow will be reachable from JS, if you make this class

   302 // implement new interfaces you better know what you're

   303 // doing. Security wise this is very sensitive code. --

   304 // jst@netscape.com

   306 // nsGlobalWindow inherits PRCList for maintaining a list of all inner

   307 // windows still in memory for any given outer window. This list is

   308 // needed to ensure that mOuterWindow doesn't end up dangling. The

   309 // nature of PRCList means that the window itself is always in the

   310 // list, and an outer window's list will also contain all inner window

   311 // objects that are still in memory (and in reality all inner window

   312 // object's lists also contain its outer and all other inner windows

   313 // belonging to the same outer window, but that's an unimportant

   314 // side effect of inheriting PRCList).

   316 class nsGlobalWindow : public mozilla::dom::EventTarget,

   317                        public nsPIDOMWindow,

   318                        public nsIScriptGlobalObject,

   319                        public nsIScriptObjectPrincipal,

   320                        public nsIDOMJSWindow,

   321                        public nsSupportsWeakReference,

   322                        public nsIInterfaceRequestor,

   323                        public PRCListStr,

   324                        public nsIDOMWindowPerformance,

   325                        public nsITouchEventReceiver,

   326                        public nsIInlineEventHandlers

   327 #ifdef MOZ_B2G

   328                      , public nsIDOMWindowB2G

   329 #endif // MOZ_B2G

   330 #ifdef MOZ_WEBSPEECH

   331                      , public nsISpeechSynthesisGetter

   332 #endif // MOZ_WEBSPEECH

   333 {

   334 public:

   335   typedef mozilla::TimeStamp TimeStamp;

   336   typedef mozilla::TimeDuration TimeDuration;

   337   typedef nsDataHashtable<nsUint64HashKey, nsGlobalWindow*> WindowByIdTable;

   339   // public methods

   340   nsPIDOMWindow* GetPrivateParent();

   341   // callback for close event

   342   void ReallyCloseWindow();

   344   // nsISupports

   345   NS_DECL_CYCLE_COLLECTING_ISUPPORTS

   347   // nsWrapperCache

   348   virtual JSObject *WrapObject(JSContext *cx) MOZ_OVERRIDE

   349   {

   350     NS_ASSERTION(IsOuterWindow(),

   351                  "Inner window supports nsWrapperCache, fix WrapObject!");

   352     return EnsureInnerWindow() ? GetWrapper() : nullptr;

   353   }

   355   // nsIGlobalJSObjectHolder

   356   virtual JSObject *GetGlobalJSObject();

   358   // nsIScriptGlobalObject

   359   JSObject *FastGetGlobalJSObject() const

   360   {

   361     return GetWrapperPreserveColor();

   362   }

   364   void TraceGlobalJSObject(JSTracer* aTrc);

   366   virtual nsresult EnsureScriptEnvironment();

   368   virtual nsIScriptContext *GetScriptContext();

   370   void PoisonOuterWindowProxy(JSObject *aObject);

   372   virtual bool IsBlackForCC(bool aTracingNeeded = true);

   374   static JSObject* OuterObject(JSContext* aCx, JS::Handle<JSObject*> aObj);

   376   // nsIScriptObjectPrincipal

   377   virtual nsIPrincipal* GetPrincipal();

   379   // nsIDOMWindow

   380   NS_DECL_NSIDOMWINDOW

   382 #ifdef MOZ_B2G

   383   // nsIDOMWindowB2G

   384   NS_DECL_NSIDOMWINDOWB2G

   385 #endif // MOZ_B2G

   387 #ifdef MOZ_WEBSPEECH

   388   // nsISpeechSynthesisGetter

   389   NS_DECL_NSISPEECHSYNTHESISGETTER

   390 #endif // MOZ_WEBSPEECH

   392   // nsIDOMWindowPerformance

   393   NS_DECL_NSIDOMWINDOWPERFORMANCE

   395   // nsIDOMJSWindow

   396   NS_DECL_NSIDOMJSWINDOW

   398   // nsIDOMEventTarget

   399   NS_DECL_NSIDOMEVENTTARGET

   401   virtual mozilla::EventListenerManager*

   402     GetExistingListenerManager() const MOZ_OVERRIDE;

   404   virtual mozilla::EventListenerManager*

   405     GetOrCreateListenerManager() MOZ_OVERRIDE;

   407   using mozilla::dom::EventTarget::RemoveEventListener;

   408   virtual void AddEventListener(const nsAString& aType,

   409                                 mozilla::dom::EventListener* aListener,

   410                                 bool aUseCapture,

   411                                 const mozilla::dom::Nullable<bool>& aWantsUntrusted,

   412                                 mozilla::ErrorResult& aRv) MOZ_OVERRIDE;

   413   virtual nsIDOMWindow* GetOwnerGlobal() MOZ_OVERRIDE

   414   {

   415     if (IsOuterWindow()) {

   416       return this;

   417     }

   419     return GetOuterFromCurrentInner(this);

   420   }

   422   // nsITouchEventReceiver

   423   NS_DECL_NSITOUCHEVENTRECEIVER

   425   // nsIInlineEventHandlers

   426   NS_DECL_NSIINLINEEVENTHANDLERS

   428   // nsPIDOMWindow

   429   virtual NS_HIDDEN_(nsPIDOMWindow*) GetPrivateRoot();

   431   // Outer windows only.

   432   virtual NS_HIDDEN_(void) ActivateOrDeactivate(bool aActivate);

   433   virtual NS_HIDDEN_(void) SetActive(bool aActive);

   434   virtual NS_HIDDEN_(void) SetIsBackground(bool aIsBackground);

   435   virtual NS_HIDDEN_(void) SetChromeEventHandler(mozilla::dom::EventTarget* aChromeEventHandler);

   437   virtual NS_HIDDEN_(void) SetInitialPrincipalToSubject();

   439   virtual NS_HIDDEN_(PopupControlState) PushPopupControlState(PopupControlState state, bool aForce) const;

   440   virtual NS_HIDDEN_(void) PopPopupControlState(PopupControlState state) const;

   441   virtual NS_HIDDEN_(PopupControlState) GetPopupControlState() const;

   443   virtual already_AddRefed<nsISupports> SaveWindowState();

   444   virtual NS_HIDDEN_(nsresult) RestoreWindowState(nsISupports *aState);

   445   virtual NS_HIDDEN_(void) SuspendTimeouts(uint32_t aIncrease = 1,

   446                                            bool aFreezeChildren = true);

   447   virtual NS_HIDDEN_(nsresult) ResumeTimeouts(bool aThawChildren = true);

   448   virtual NS_HIDDEN_(uint32_t) TimeoutSuspendCount();

   449   virtual NS_HIDDEN_(nsresult) FireDelayedDOMEvents();

   450   virtual NS_HIDDEN_(bool) IsFrozen() const

   451   {

   452     return mIsFrozen;

   453   }

   454   virtual NS_HIDDEN_(bool) IsRunningTimeout() { return mTimeoutFiringDepth > 0; }

   456   virtual NS_HIDDEN_(bool) WouldReuseInnerWindow(nsIDocument *aNewDocument);

   458   virtual NS_HIDDEN_(void) SetDocShell(nsIDocShell* aDocShell);

   459   virtual void DetachFromDocShell();

   460   virtual NS_HIDDEN_(nsresult) SetNewDocument(nsIDocument *aDocument,

   461                                               nsISupports *aState,

   462                                               bool aForceReuseInnerWindow);

   463   void DispatchDOMWindowCreated();

   464   virtual NS_HIDDEN_(void) SetOpenerWindow(nsIDOMWindow* aOpener,

   465                                            bool aOriginalOpener);

   467   // Outer windows only.

   468   virtual NS_HIDDEN_(void) EnsureSizeUpToDate();

   470   virtual NS_HIDDEN_(void) EnterModalState();

   471   virtual NS_HIDDEN_(void) LeaveModalState();

   473   virtual NS_HIDDEN_(bool) CanClose();

   474   virtual NS_HIDDEN_(nsresult) ForceClose();

   476   virtual NS_HIDDEN_(void) MaybeUpdateTouchState();

   477   virtual NS_HIDDEN_(void) UpdateTouchState();

   478   virtual NS_HIDDEN_(bool) DispatchCustomEvent(const char *aEventName);

   479   virtual NS_HIDDEN_(bool) DispatchResizeEvent(const nsIntSize& aSize);

   480   virtual NS_HIDDEN_(void) RefreshCompartmentPrincipal();

   481   virtual NS_HIDDEN_(nsresult) SetFullScreenInternal(bool aIsFullScreen, bool aRequireTrust);

   483   virtual NS_HIDDEN_(void) SetHasGamepadEventListener(bool aHasGamepad = true);

   485   // nsIInterfaceRequestor

   486   NS_DECL_NSIINTERFACEREQUESTOR

   488   // WebIDL interface.

   489   already_AddRefed<nsIDOMWindow> IndexedGetter(uint32_t aIndex, bool& aFound);

   491   void GetSupportedNames(nsTArray<nsString>& aNames);

   493   static bool IsChromeWindow(JSContext* /* unused */, JSObject* aObj);

   495   bool IsChrome() const;

   497   bool DoNewResolve(JSContext* aCx, JS::Handle<JSObject*> aObj,

   498                     JS::Handle<jsid> aId,

   499                     JS::MutableHandle<JSPropertyDescriptor> aDesc);

   501   void GetOwnPropertyNames(JSContext* aCx, nsTArray<nsString>& aNames,

   502                            mozilla::ErrorResult& aRv);

   504   // Object Management

   505   nsGlobalWindow(nsGlobalWindow *aOuterWindow);

   507   static nsGlobalWindow *FromSupports(nsISupports *supports)

   508   {

   509     // Make sure this matches the casts we do in QueryInterface().

   510     return (nsGlobalWindow *)(mozilla::dom::EventTarget *)supports;

   511   }

   512   static nsGlobalWindow *FromWrapper(nsIXPConnectWrappedNative *wrapper)

   513   {

   514     return FromSupports(wrapper->Native());

   515   }

   517   /**

   518    * Wrap nsIDOMWindow::GetTop so we can overload the inline GetTop()

   519    * implementation below.  (nsIDOMWindow::GetTop simply calls

   520    * nsIDOMWindow::GetRealTop().)

   521    */

   522   nsresult GetTop(nsIDOMWindow **aWindow)

   523   {

   524     return nsIDOMWindow::GetTop(aWindow);

   525   }

   527   inline nsGlobalWindow *GetTop()

   528   {

   529     nsCOMPtr<nsIDOMWindow> top;

   530     GetTop(getter_AddRefs(top));

   531     if (top)

   532       return static_cast<nsGlobalWindow *>(top.get());

   533     return nullptr;

   534   }

   536   inline nsGlobalWindow* GetScriptableTop()

   537   {

   538     nsCOMPtr<nsIDOMWindow> top;

   539     GetScriptableTop(getter_AddRefs(top));

   540     return static_cast<nsGlobalWindow *>(top.get());

   541   }

   543   already_AddRefed<nsIDOMWindow> GetChildWindow(const nsAString& aName);

   545   // These return true if we've reached the state in this top level window

   546   // where we ask the user if further dialogs should be blocked.

   547   //

   548   // DialogsAreBeingAbused must be called on the scriptable top inner window.

   549   //

   550   // ShouldPromptToBlockDialogs is implemented in terms of

   551   // DialogsAreBeingAbused, and will get the scriptable top inner window

   552   // automatically.

   553   // Outer windows only.

   554   bool ShouldPromptToBlockDialogs();

   555   // Inner windows only.

   556   bool DialogsAreBeingAbused();

   558   // These functions are used for controlling and determining whether dialogs

   559   // (alert, prompt, confirm) are currently allowed in this window.

   560   void EnableDialogs();

   561   void DisableDialogs();

   562   bool AreDialogsEnabled();

   564   nsIScriptContext *GetContextInternal()

   565   {

   566     if (mOuterWindow) {

   567       return GetOuterWindowInternal()->mContext;

   568     }

   570     return mContext;

   571   }

   573   nsGlobalWindow *GetOuterWindowInternal()

   574   {

   575     return static_cast<nsGlobalWindow *>(GetOuterWindow());

   576   }

   578   nsGlobalWindow *GetCurrentInnerWindowInternal() const

   579   {

   580     return static_cast<nsGlobalWindow *>(mInnerWindow);

   581   }

   583   nsGlobalWindow *EnsureInnerWindowInternal()

   584   {

   585     return static_cast<nsGlobalWindow *>(EnsureInnerWindow());

   586   }

   588   bool IsCreatingInnerWindow() const

   589   {

   590     return  mCreatingInnerWindow;

   591   }

   593   bool IsChromeWindow() const

   594   {

   595     return mIsChrome;

   596   }

   598   using nsPIDOMWindow::IsModalContentWindow;

   599   static bool IsModalContentWindow(JSContext* aCx, JSObject* aGlobal);

   601   // GetScrollFrame does not flush.  Callers should do it themselves as needed,

   602   // depending on which info they actually want off the scrollable frame.

   603   nsIScrollableFrame *GetScrollFrame();

   605   nsresult Observe(nsISupports* aSubject, const char* aTopic,

   606                    const char16_t* aData);

   608   // Outer windows only.

   609   void UnblockScriptedClosing();

   611   static void Init();

   612   static void ShutDown();

   613   static void CleanupCachedXBLHandlers(nsGlobalWindow* aWindow);

   614   static bool IsCallerChrome();

   616   static void RunPendingTimeoutsRecursive(nsGlobalWindow *aTopWindow,

   617                                           nsGlobalWindow *aWindow);

   619   friend class WindowStateHolder;

   621   NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsGlobalWindow,

   622                                                                    nsIDOMEventTarget)

   624 #ifdef DEBUG

   625   // Call Unlink on this window. This may cause bad things to happen, so use

   626   // with caution.

   627   void RiskyUnlink();

   628 #endif

   630   virtual NS_HIDDEN_(JSObject*)

   631     GetCachedXBLPrototypeHandler(nsXBLPrototypeHandler* aKey);

   633   virtual NS_HIDDEN_(void)

   634     CacheXBLPrototypeHandler(nsXBLPrototypeHandler* aKey,

   635                              JS::Handle<JSObject*> aHandler);

   637   virtual bool TakeFocus(bool aFocus, uint32_t aFocusMethod);

   638   virtual void SetReadyForFocus();

   639   virtual void PageHidden();

   640   virtual nsresult DispatchAsyncHashchange(nsIURI *aOldURI, nsIURI *aNewURI);

   641   virtual nsresult DispatchSyncPopState();

   643   // Inner windows only.

   644   virtual void EnableDeviceSensor(uint32_t aType);

   645   virtual void DisableDeviceSensor(uint32_t aType);

   647   virtual void EnableTimeChangeNotifications();

   648   virtual void DisableTimeChangeNotifications();

   650 #ifdef MOZ_B2G

   651   // Inner windows only.

   652   virtual void EnableNetworkEvent(uint32_t aType);

   653   virtual void DisableNetworkEvent(uint32_t aType);

   654 #endif // MOZ_B2G

   656   virtual nsresult SetArguments(nsIArray *aArguments);

   658   void MaybeForgiveSpamCount();

   659   bool IsClosedOrClosing() {

   660     return (mIsClosed ||

   661             mInClose ||

   662             mHavePendingClose ||

   663             mCleanedUp);

   664   }

   666   static void FirePopupBlockedEvent(nsIDocument* aDoc,

   667                                     nsIDOMWindow *aRequestingWindow, nsIURI *aPopupURI,

   668                                     const nsAString &aPopupWindowName,

   669                                     const nsAString &aPopupWindowFeatures);

   671   virtual uint32_t GetSerial() {

   672     return mSerial;

   673   }

   675   static nsGlobalWindow* GetOuterWindowWithId(uint64_t aWindowID) {

   676     if (!sWindowsById) {

   677       return nullptr;

   678     }

   680     nsGlobalWindow* outerWindow = sWindowsById->Get(aWindowID);

   681     return outerWindow && !outerWindow->IsInnerWindow() ? outerWindow : nullptr;

   682   }

   684   static nsGlobalWindow* GetInnerWindowWithId(uint64_t aInnerWindowID) {

   685     if (!sWindowsById) {

   686       return nullptr;

   687     }

   689     nsGlobalWindow* innerWindow = sWindowsById->Get(aInnerWindowID);

   690     return innerWindow && innerWindow->IsInnerWindow() ? innerWindow : nullptr;

   691   }

   693   static WindowByIdTable* GetWindowsTable() {

   694     return sWindowsById;

   695   }

   697   void AddSizeOfIncludingThis(nsWindowSizes* aWindowSizes) const;

   699   void UnmarkGrayTimers();

   701   void AddEventTargetObject(mozilla::DOMEventTargetHelper* aObject);

   702   void RemoveEventTargetObject(mozilla::DOMEventTargetHelper* aObject);

   704   void NotifyIdleObserver(IdleObserverHolder* aIdleObserverHolder,

   705                           bool aCallOnidle);

   706   nsresult HandleIdleActiveEvent();

   707   bool ContainsIdleObserver(nsIIdleObserver* aIdleObserver, uint32_t timeInS);

   708   void HandleIdleObserverCallback();

   710   void AllowScriptsToClose()

   711   {

   712     mAllowScriptsToClose = true;

   713   }

   715   enum SlowScriptResponse {

   716     ContinueSlowScript = 0,

   717     AlwaysContinueSlowScript,

   718     KillSlowScript

   719   };

   720   SlowScriptResponse ShowSlowScriptDialog();

   722 #ifdef MOZ_GAMEPAD

   723   void AddGamepad(uint32_t aIndex, mozilla::dom::Gamepad* aGamepad);

   724   void RemoveGamepad(uint32_t aIndex);

   725   void GetGamepads(nsTArray<nsRefPtr<mozilla::dom::Gamepad> >& aGamepads);

   726   already_AddRefed<mozilla::dom::Gamepad> GetGamepad(uint32_t aIndex);

   727   void SetHasSeenGamepadInput(bool aHasSeen);

   728   bool HasSeenGamepadInput();

   729   void SyncGamepadState();

   730   static PLDHashOperator EnumGamepadsForSync(const uint32_t& aKey,

   731                                              mozilla::dom::Gamepad* aData,

   732                                              void* aUserArg);

   733   static PLDHashOperator EnumGamepadsForGet(const uint32_t& aKey,

   734                                             mozilla::dom::Gamepad* aData,

   735                                             void* aUserArg);

   736 #endif

   738   // Enable/disable updates for gamepad input.

   739   void EnableGamepadUpdates();

   740   void DisableGamepadUpdates();

   743 #define EVENT(name_, id_, type_, struct_)                                     \

   744   mozilla::dom::EventHandlerNonNull* GetOn##name_()                           \

   745   {                                                                           \

   746     mozilla::EventListenerManager* elm = GetExistingListenerManager();        \

   747     return elm ? elm->GetEventHandler(nsGkAtoms::on##name_, EmptyString())    \

   748                : nullptr;                                                     \

   749   }                                                                           \

   750   void SetOn##name_(mozilla::dom::EventHandlerNonNull* handler)               \

   751   {                                                                           \

   752     mozilla::EventListenerManager* elm = GetOrCreateListenerManager();        \

   753     if (elm) {                                                                \

   754       elm->SetEventHandler(nsGkAtoms::on##name_, EmptyString(), handler);     \

   755     }                                                                         \

   756   }

   757 #define ERROR_EVENT(name_, id_, type_, struct_)                               \

   758   mozilla::dom::OnErrorEventHandlerNonNull* GetOn##name_()                    \

   759   {                                                                           \

   760     mozilla::EventListenerManager* elm = GetExistingListenerManager();        \

   761     return elm ? elm->GetOnErrorEventHandler() : nullptr;                     \

   762   }                                                                           \

   763   void SetOn##name_(mozilla::dom::OnErrorEventHandlerNonNull* handler)        \

   764   {                                                                           \

   765     mozilla::EventListenerManager* elm = GetOrCreateListenerManager();        \

   766     if (elm) {                                                                \

   767       elm->SetEventHandler(handler);                                          \

   768     }                                                                         \

   769   }

   770 #define BEFOREUNLOAD_EVENT(name_, id_, type_, struct_)                        \

   771   mozilla::dom::OnBeforeUnloadEventHandlerNonNull* GetOn##name_()             \

   772   {                                                                           \

   773     mozilla::EventListenerManager* elm = GetExistingListenerManager();        \

   774     return elm ? elm->GetOnBeforeUnloadEventHandler() : nullptr;              \

   775   }                                                                           \

   776   void SetOn##name_(mozilla::dom::OnBeforeUnloadEventHandlerNonNull* handler) \

   777   {                                                                           \

   778     mozilla::EventListenerManager* elm = GetOrCreateListenerManager();        \

   779     if (elm) {                                                                \

   780       elm->SetEventHandler(handler);                                          \

   781     }                                                                         \

   782   }

   783 #define WINDOW_ONLY_EVENT EVENT

   784 #define TOUCH_EVENT EVENT

   785 #include "mozilla/EventNameList.h"

   786 #undef TOUCH_EVENT

   787 #undef WINDOW_ONLY_EVENT

   788 #undef BEFOREUNLOAD_EVENT

   789 #undef ERROR_EVENT

   790 #undef EVENT

   792   nsISupports* GetParentObject()

   793   {

   794     return nullptr;

   795   }

   797   static bool WindowOnWebIDL(JSContext* /* unused */, JSObject* aObj);

   799   nsIDOMWindow* GetWindow(mozilla::ErrorResult& aError);

   800   nsIDOMWindow* GetSelf(mozilla::ErrorResult& aError);

   801   nsIDocument* GetDocument()

   802   {

   803     return GetDoc();

   804   }

   805   void GetName(nsAString& aName, mozilla::ErrorResult& aError);

   806   void SetName(const nsAString& aName, mozilla::ErrorResult& aError);

   807   nsIDOMLocation* GetLocation(mozilla::ErrorResult& aError);

   808   nsHistory* GetHistory(mozilla::ErrorResult& aError);

   809   mozilla::dom::BarProp* GetLocationbar(mozilla::ErrorResult& aError);

   810   mozilla::dom::BarProp* GetMenubar(mozilla::ErrorResult& aError);

   811   mozilla::dom::BarProp* GetPersonalbar(mozilla::ErrorResult& aError);

   812   mozilla::dom::BarProp* GetScrollbars(mozilla::ErrorResult& aError);

   813   mozilla::dom::BarProp* GetStatusbar(mozilla::ErrorResult& aError);

   814   mozilla::dom::BarProp* GetToolbar(mozilla::ErrorResult& aError);

   815   void GetStatus(nsAString& aStatus, mozilla::ErrorResult& aError);

   816   void SetStatus(const nsAString& aStatus, mozilla::ErrorResult& aError);

   817   void Close(mozilla::ErrorResult& aError);

   818   bool GetClosed(mozilla::ErrorResult& aError);

   819   void Stop(mozilla::ErrorResult& aError);

   820   void Focus(mozilla::ErrorResult& aError);

   821   void Blur(mozilla::ErrorResult& aError);

   822   already_AddRefed<nsIDOMWindow> GetFrames(mozilla::ErrorResult& aError);

   823   uint32_t Length();

   824   already_AddRefed<nsIDOMWindow> GetTop(mozilla::ErrorResult& aError)

   825   {

   826     nsCOMPtr<nsIDOMWindow> top;

   827     aError = GetScriptableTop(getter_AddRefs(top));

   828     return top.forget();

   829   }

   830 protected:

   831   nsIDOMWindow* GetOpenerWindow(mozilla::ErrorResult& aError);

   832 public:

   833   void GetOpener(JSContext* aCx, JS::MutableHandle<JS::Value> aRetval,

   834                  mozilla::ErrorResult& aError);

   835   void SetOpener(JSContext* aCx, JS::Handle<JS::Value> aOpener,

   836                  mozilla::ErrorResult& aError);

   837   using nsIDOMWindow::GetParent;

   838   already_AddRefed<nsIDOMWindow> GetParent(mozilla::ErrorResult& aError);

   839   mozilla::dom::Element* GetFrameElement(mozilla::ErrorResult& aError);

   840   already_AddRefed<nsIDOMWindow> Open(const nsAString& aUrl,

   841                                       const nsAString& aName,

   842                                       const nsAString& aOptions,

   843                                       mozilla::ErrorResult& aError);

   844   mozilla::dom::Navigator* GetNavigator(mozilla::ErrorResult& aError);

   845   nsIDOMOfflineResourceList* GetApplicationCache(mozilla::ErrorResult& aError);

   847   mozilla::dom::Console* GetConsole(mozilla::ErrorResult& aRv);

   849   void GetSidebar(mozilla::dom::OwningExternalOrWindowProxy& aResult,

   850                   mozilla::ErrorResult& aRv);

   851   already_AddRefed<mozilla::dom::External> GetExternal(mozilla::ErrorResult& aRv);

   853 protected:

   854   bool AlertOrConfirm(bool aAlert, const nsAString& aMessage,

   855                       mozilla::ErrorResult& aError);

   857 public:

   858   void Alert(const nsAString& aMessage, mozilla::ErrorResult& aError);

   859   bool Confirm(const nsAString& aMessage, mozilla::ErrorResult& aError);

   860   void Prompt(const nsAString& aMessage, const nsAString& aInitial,

   861               nsAString& aReturn, mozilla::ErrorResult& aError);

   862   void Print(mozilla::ErrorResult& aError);

   863   void ShowModalDialog(JSContext* aCx, const nsAString& aUrl,

   864                        JS::Handle<JS::Value> aArgument,

   865                        const nsAString& aOptions,

   866                        JS::MutableHandle<JS::Value> aRetval,

   867                        mozilla::ErrorResult& aError);

   868   void PostMessageMoz(JSContext* aCx, JS::Handle<JS::Value> aMessage,

   869                       const nsAString& aTargetOrigin,

   870                       const mozilla::dom::Optional<mozilla::dom::Sequence<JS::Value > >& aTransfer,

   871                       mozilla::ErrorResult& aError);

   872   int32_t SetTimeout(JSContext* aCx, mozilla::dom::Function& aFunction,

   873                      int32_t aTimeout,

   874                      const mozilla::dom::Sequence<JS::Value>& aArguments,

   875                      mozilla::ErrorResult& aError);

   876   int32_t SetTimeout(JSContext* aCx, const nsAString& aHandler,

   877                      int32_t aTimeout,

   878                      const mozilla::dom::Sequence<JS::Value>& /* unused */,

   879                      mozilla::ErrorResult& aError);

   880   void ClearTimeout(int32_t aHandle, mozilla::ErrorResult& aError);

   881   int32_t SetInterval(JSContext* aCx, mozilla::dom::Function& aFunction,

   882                       const mozilla::dom::Optional<int32_t>& aTimeout,

   883                       const mozilla::dom::Sequence<JS::Value>& aArguments,

   884                       mozilla::ErrorResult& aError);

   885   int32_t SetInterval(JSContext* aCx, const nsAString& aHandler,

   886                       const mozilla::dom::Optional<int32_t>& aTimeout,

   887                       const mozilla::dom::Sequence<JS::Value>& /* unused */,

   888                       mozilla::ErrorResult& aError);

   889   void ClearInterval(int32_t aHandle, mozilla::ErrorResult& aError);

   890   void Atob(const nsAString& aAsciiBase64String, nsAString& aBinaryData,

   891             mozilla::ErrorResult& aError);

   892   void Btoa(const nsAString& aBinaryData, nsAString& aAsciiBase64String,

   893             mozilla::ErrorResult& aError);

   894   nsIDOMStorage* GetSessionStorage(mozilla::ErrorResult& aError);

   895   nsIDOMStorage* GetLocalStorage(mozilla::ErrorResult& aError);

   896   mozilla::dom::Selection* GetSelection(mozilla::ErrorResult& aError);

   897   mozilla::dom::indexedDB::IDBFactory* GetIndexedDB(mozilla::ErrorResult& aError);

   898   already_AddRefed<nsICSSDeclaration>

   899     GetComputedStyle(mozilla::dom::Element& aElt, const nsAString& aPseudoElt,

   900                      mozilla::ErrorResult& aError);

   901   already_AddRefed<mozilla::dom::MediaQueryList> MatchMedia(const nsAString& aQuery,

   902                                                             mozilla::ErrorResult& aError);

   903   nsScreen* GetScreen(mozilla::ErrorResult& aError);

   904   void MoveTo(int32_t aXPos, int32_t aYPos, mozilla::ErrorResult& aError);

   905   void MoveBy(int32_t aXDif, int32_t aYDif, mozilla::ErrorResult& aError);

   906   void ResizeTo(int32_t aWidth, int32_t aHeight,

   907                 mozilla::ErrorResult& aError);

   908   void ResizeBy(int32_t aWidthDif, int32_t aHeightDif,

   909                 mozilla::ErrorResult& aError);

   910   int32_t GetInnerWidth(mozilla::ErrorResult& aError);

   911   void SetInnerWidth(int32_t aInnerWidth, mozilla::ErrorResult& aError);

   912   int32_t GetInnerHeight(mozilla::ErrorResult& aError);

   913   void SetInnerHeight(int32_t aInnerHeight, mozilla::ErrorResult& aError);

   914   int32_t GetScrollX(mozilla::ErrorResult& aError);

   915   int32_t GetPageXOffset(mozilla::ErrorResult& aError)

   916   {

   917     return GetScrollX(aError);

   918   }

   919   int32_t GetScrollY(mozilla::ErrorResult& aError);

   920   int32_t GetPageYOffset(mozilla::ErrorResult& aError)

   921   {

   922     return GetScrollY(aError);

   923   }

   924   int32_t GetScreenX(mozilla::ErrorResult& aError);

   925   void SetScreenX(int32_t aScreenX, mozilla::ErrorResult& aError);

   926   int32_t GetScreenY(mozilla::ErrorResult& aError);

   927   void SetScreenY(int32_t aScreenY, mozilla::ErrorResult& aError);

   928   int32_t GetOuterWidth(mozilla::ErrorResult& aError);

   929   void SetOuterWidth(int32_t aOuterWidth, mozilla::ErrorResult& aError);

   930   int32_t GetOuterHeight(mozilla::ErrorResult& aError);

   931   void SetOuterHeight(int32_t aOuterHeight, mozilla::ErrorResult& aError);

   932   int32_t RequestAnimationFrame(mozilla::dom::FrameRequestCallback& aCallback,

   933                                 mozilla::ErrorResult& aError);

   934   void CancelAnimationFrame(int32_t aHandle, mozilla::ErrorResult& aError);

   935   nsPerformance* GetPerformance(mozilla::ErrorResult& aError);

   936   nsresult GetFirstPartyIsolationURI(nsIURI** aFirstPartyIsolationURI);

   938 #ifdef MOZ_WEBSPEECH

   939   mozilla::dom::SpeechSynthesis*

   940     GetSpeechSynthesis(mozilla::ErrorResult& aError);

   941 #endif

   942   already_AddRefed<nsICSSDeclaration>

   943     GetDefaultComputedStyle(mozilla::dom::Element& aElt,

   944                             const nsAString& aPseudoElt,

   945                             mozilla::ErrorResult& aError);

   946   mozilla::dom::indexedDB::IDBFactory*

   947     GetMozIndexedDB(mozilla::ErrorResult& aError)

   948   {

   949     return GetIndexedDB(aError);

   950   }

   951   int32_t MozRequestAnimationFrame(nsIFrameRequestCallback* aRequestCallback,

   952                                    mozilla::ErrorResult& aError);

   953   void MozCancelAnimationFrame(int32_t aHandle, mozilla::ErrorResult& aError)

   954   {

   955     return CancelAnimationFrame(aHandle, aError);

   956   }

   957   void MozCancelRequestAnimationFrame(int32_t aHandle,

   958                                       mozilla::ErrorResult& aError)

   959   {

   960     return CancelAnimationFrame(aHandle, aError);

   961   }

   962   int64_t GetMozAnimationStartTime(mozilla::ErrorResult& aError);

   963   void SizeToContent(mozilla::ErrorResult& aError);

   964   nsIDOMCrypto* GetCrypto(mozilla::ErrorResult& aError);

   965   nsIControllers* GetControllers(mozilla::ErrorResult& aError);

   966   float GetMozInnerScreenX(mozilla::ErrorResult& aError);

   967   float GetMozInnerScreenY(mozilla::ErrorResult& aError);

   968   float GetDevicePixelRatio(mozilla::ErrorResult& aError);

   969   int32_t GetScrollMaxX(mozilla::ErrorResult& aError);

   970   int32_t GetScrollMaxY(mozilla::ErrorResult& aError);

   971   bool GetFullScreen(mozilla::ErrorResult& aError);

   972   void SetFullScreen(bool aFullScreen, mozilla::ErrorResult& aError);

   973   void Back(mozilla::ErrorResult& aError);

   974   void Forward(mozilla::ErrorResult& aError);

   975   void Home(mozilla::ErrorResult& aError);

   976   bool Find(const nsAString& aString, bool aCaseSensitive, bool aBackwards,

   977             bool aWrapAround, bool aWholeWord, bool aSearchInFrames,

   978             bool aShowDialog, mozilla::ErrorResult& aError);

   979   uint64_t GetMozPaintCount(mozilla::ErrorResult& aError);

   980   already_AddRefed<nsIDOMWindow> OpenDialog(JSContext* aCx,

   981                                             const nsAString& aUrl,

   982                                             const nsAString& aName,

   983                                             const nsAString& aOptions,

   984                                             const mozilla::dom::Sequence<JS::Value>& aExtraArgument,

   985                                             mozilla::ErrorResult& aError);

   986   void GetContent(JSContext* aCx,

   987                   JS::MutableHandle<JSObject*> aRetval,

   988                   mozilla::ErrorResult& aError);

   989   void Get_content(JSContext* aCx,

   990                    JS::MutableHandle<JSObject*> aRetval,

   991                    mozilla::ErrorResult& aError)

   992   {

   993     if (mDoc) {

   994       mDoc->WarnOnceAbout(nsIDocument::eWindow_Content);

   995     }

   996     GetContent(aCx, aRetval, aError);

   997   }

   999   // ChromeWindow bits.  Do NOT call these unless your window is in

  1000   // fact an nsGlobalChromeWindow.

  1001   uint16_t WindowState();

  1002   nsIBrowserDOMWindow* GetBrowserDOMWindow(mozilla::ErrorResult& aError);

  1003   void SetBrowserDOMWindow(nsIBrowserDOMWindow* aBrowserWindow,

  1004                            mozilla::ErrorResult& aError);

  1005   void GetAttention(mozilla::ErrorResult& aError);

  1006   void GetAttentionWithCycleCount(int32_t aCycleCount,

  1007                                   mozilla::ErrorResult& aError);

  1008   void SetCursor(const nsAString& aCursor, mozilla::ErrorResult& aError);

  1009   void Maximize(mozilla::ErrorResult& aError);

  1010   void Minimize(mozilla::ErrorResult& aError);

  1011   void Restore(mozilla::ErrorResult& aError);

  1012   void NotifyDefaultButtonLoaded(mozilla::dom::Element& aDefaultButton,

  1013                                  mozilla::ErrorResult& aError);

  1014   nsIMessageBroadcaster* GetMessageManager(mozilla::ErrorResult& aError);

  1015   void BeginWindowMove(mozilla::dom::Event& aMouseDownEvent,

  1016                        mozilla::dom::Element* aPanel,

  1017                        mozilla::ErrorResult& aError);

  1019   void GetDialogArguments(JSContext* aCx, JS::MutableHandle<JS::Value> aRetval,

  1020                           mozilla::ErrorResult& aError);

  1021   void GetReturnValue(JSContext* aCx, JS::MutableHandle<JS::Value> aReturnValue,

  1022                       mozilla::ErrorResult& aError);

  1023   void SetReturnValue(JSContext* aCx, JS::Handle<JS::Value> aReturnValue,

  1024                       mozilla::ErrorResult& aError);

  1026   void GetInterface(JSContext* aCx, nsIJSID* aIID,

  1027                     JS::MutableHandle<JS::Value> aRetval,

  1028                     mozilla::ErrorResult& aError);

  1030 protected:

  1031   // Array of idle observers that are notified of idle events.

  1032   nsTObserverArray<IdleObserverHolder> mIdleObservers;

  1034   // Idle timer used for function callbacks to notify idle observers.

  1035   nsCOMPtr<nsITimer> mIdleTimer;

  1037   // Idle fuzz time added to idle timer callbacks.

  1038   uint32_t mIdleFuzzFactor;

  1040   // Index in mArrayIdleObservers

  1041   // Next idle observer to notify user idle status

  1042   int32_t mIdleCallbackIndex;

  1044   // If false then the topic is "active"

  1045   // If true then the topic is "idle"

  1046   bool mCurrentlyIdle;

  1048   // Set to true when a fuzz time needs to be applied

  1049   // to active notifications to the idle observer.

  1050   bool mAddActiveEventFuzzTime;

  1052   nsCOMPtr <nsIIdleService> mIdleService;

  1054   nsRefPtr<mozilla::dom::WakeLock> mWakeLock;

  1056   static bool sIdleObserversAPIFuzzTimeDisabled;

  1058   friend class HashchangeCallback;

  1059   friend class mozilla::dom::BarProp;

  1061   // Object Management

  1062   virtual ~nsGlobalWindow();

  1063   void DropOuterWindowDocs();

  1064   void CleanUp();

  1065   void ClearControllers();

  1066   nsresult FinalClose();

  1068   inline void MaybeClearInnerWindow(nsGlobalWindow* aExpectedInner)

  1069   {

  1070     if(mInnerWindow == aExpectedInner) {

  1071       mInnerWindow = nullptr;

  1072     }

  1073   }

  1075   void FreeInnerObjects();

  1076   JSObject *CallerGlobal();

  1077   nsGlobalWindow *CallerInnerWindow();

  1079   // Only to be called on an inner window.

  1080   // aDocument must not be null.

  1081   void InnerSetNewDocument(JSContext* aCx, nsIDocument* aDocument);

  1083   nsresult DefineArgumentsProperty(nsIArray *aArguments);

  1085   // Get the parent, returns null if this is a toplevel window

  1086   nsIDOMWindow* GetParentInternal();

  1088   // popup tracking

  1089   bool IsPopupSpamWindow()

  1090   {

  1091     if (IsInnerWindow() && !mOuterWindow) {

  1092       return false;

  1093     }

  1095     return GetOuterWindowInternal()->mIsPopupSpam;

  1096   }

  1098   void SetPopupSpamWindow(bool aPopup)

  1099   {

  1100     if (IsInnerWindow() && !mOuterWindow) {

  1101       NS_ERROR("SetPopupSpamWindow() called on inner window w/o an outer!");

  1103       return;

  1104     }

  1106     GetOuterWindowInternal()->mIsPopupSpam = aPopup;

  1107   }

  1109   // Window Control Functions

  1111   virtual nsresult

  1112   OpenNoNavigate(const nsAString& aUrl,

  1113                  const nsAString& aName,

  1114                  const nsAString& aOptions,

  1115                  nsIDOMWindow **_retval);

  1117   /**

  1118    * @param aUrl the URL we intend to load into the window.  If aNavigate is

  1119    *        true, we'll actually load this URL into the window. Otherwise,

  1120    *        aUrl is advisory; OpenInternal will not load the URL into the

  1121    *        new window.

  1122    *

  1123    * @param aName the name to use for the new window

  1124    *

  1125    * @param aOptions the window options to use for the new window

  1126    *

  1127    * @param aDialog true when called from variants of OpenDialog.  If this is

  1128    *        true, this method will skip popup blocking checks.  The aDialog

  1129    *        argument is passed on to the window watcher.

  1130    *

  1131    * @param aCalledNoScript true when called via the [noscript] open()

  1132    *        and openDialog() methods.  When this is true, we do NOT want to use

  1133    *        the JS stack for things like caller determination.

  1134    *

  1135    * @param aDoJSFixups true when this is the content-accessible JS version of

  1136    *        window opening.  When true, popups do not cause us to throw, we save

  1137    *        the caller's principal in the new window for later consumption, and

  1138    *        we make sure that there is a document in the newly-opened window.

  1139    *        Note that this last will only be done if the newly-opened window is

  1140    *        non-chrome.

  1141    *

  1142    * @param aNavigate true if we should navigate to the provided URL, false

  1143    *        otherwise.  When aNavigate is false, we also skip our can-load

  1144    *        security check, on the assumption that whoever *actually* loads this

  1145    *        page will do their own security check.

  1146    *

  1147    * @param argv The arguments to pass to the new window.  The first

  1148    *        three args, if present, will be aUrl, aName, and aOptions.  So this

  1149    *        param only matters if there are more than 3 arguments.

  1150    *

  1151    * @param argc The number of arguments in argv.

  1152    *

  1153    * @param aExtraArgument Another way to pass arguments in.  This is mutually

  1154    *        exclusive with the argv/argc approach.

  1155    *

  1156    * @param aJSCallerContext The calling script's context. This must be null

  1157    *        when aCalledNoScript is true.

  1158    *

  1159    * @param aReturn [out] The window that was opened, if any.

  1160    */

  1161   NS_HIDDEN_(nsresult) OpenInternal(const nsAString& aUrl,

  1162                                     const nsAString& aName,

  1163                                     const nsAString& aOptions,

  1164                                     bool aDialog,

  1165                                     bool aContentModal,

  1166                                     bool aCalledNoScript,

  1167                                     bool aDoJSFixups,

  1168                                     bool aNavigate,

  1169                                     nsIArray *argv,

  1170                                     nsISupports *aExtraArgument,

  1171                                     nsIPrincipal *aCalleePrincipal,

  1172                                     JSContext *aJSCallerContext,

  1173                                     nsIDOMWindow **aReturn);

  1175   // Timeout Functions

  1176   // Language agnostic timeout function (all args passed).

  1177   // |interval| is in milliseconds.

  1178   nsresult SetTimeoutOrInterval(nsIScriptTimeoutHandler *aHandler,

  1179                                 int32_t interval,

  1180                                 bool aIsInterval, int32_t *aReturn);

  1181   int32_t SetTimeoutOrInterval(mozilla::dom::Function& aFunction,

  1182                                int32_t aTimeout,

  1183                                const mozilla::dom::Sequence<JS::Value>& aArguments,

  1184                                bool aIsInterval, mozilla::ErrorResult& aError);

  1185   int32_t SetTimeoutOrInterval(JSContext* aCx, const nsAString& aHandler,

  1186                                int32_t aTimeout, bool aIsInterval,

  1187                                mozilla::ErrorResult& aError);

  1188   void ClearTimeoutOrInterval(int32_t aTimerID,

  1189                                   mozilla::ErrorResult& aError);

  1190   nsresult ClearTimeoutOrInterval(int32_t aTimerID)

  1191   {

  1192     mozilla::ErrorResult rv;

  1193     ClearTimeoutOrInterval(aTimerID, rv);

  1194     return rv.ErrorCode();

  1195   }

  1197   // JS specific timeout functions (JS args grabbed from context).

  1198   nsresult SetTimeoutOrInterval(bool aIsInterval, int32_t* aReturn);

  1199   nsresult ResetTimersForNonBackgroundWindow();

  1201   // The timeout implementation functions.

  1202   void RunTimeout(nsTimeout *aTimeout);

  1203   void RunTimeout() { RunTimeout(nullptr); }

  1204   // Return true if |aTimeout| was cleared while its handler ran.

  1205   bool RunTimeoutHandler(nsTimeout* aTimeout, nsIScriptContext* aScx);

  1206   // Return true if |aTimeout| needs to be reinserted into the timeout list.

  1207   bool RescheduleTimeout(nsTimeout* aTimeout, const TimeStamp& now,

  1208                          bool aRunningPendingTimeouts);

  1210   void ClearAllTimeouts();

  1211   // Insert aTimeout into the list, before all timeouts that would

  1212   // fire after it, but no earlier than mTimeoutInsertionPoint, if any.

  1213   void InsertTimeoutIntoList(nsTimeout *aTimeout);

  1214   static void TimerCallback(nsITimer *aTimer, void *aClosure);

  1216   // Helper Functions

  1217   already_AddRefed<nsIDocShellTreeOwner> GetTreeOwner();

  1218   already_AddRefed<nsIBaseWindow> GetTreeOwnerWindow();

  1219   already_AddRefed<nsIWebBrowserChrome> GetWebBrowserChrome();

  1220   nsresult SecurityCheckURL(const char *aURL);

  1222   bool PopupWhitelisted();

  1223   PopupControlState RevisePopupAbuseLevel(PopupControlState);

  1224   void     FireAbuseEvents(bool aBlocked, bool aWindow,

  1225                            const nsAString &aPopupURL,

  1226                            const nsAString &aPopupWindowName,

  1227                            const nsAString &aPopupWindowFeatures);

  1228   void FireOfflineStatusEvent();

  1230   // Inner windows only.

  1231   nsresult ScheduleNextIdleObserverCallback();

  1232   uint32_t GetFuzzTimeMS();

  1233   nsresult ScheduleActiveTimerCallback();

  1234   uint32_t FindInsertionIndex(IdleObserverHolder* aIdleObserver);

  1235   virtual nsresult RegisterIdleObserver(nsIIdleObserver* aIdleObserverPtr);

  1236   nsresult FindIndexOfElementToRemove(nsIIdleObserver* aIdleObserver,

  1237                                       int32_t* aRemoveElementIndex);

  1238   virtual nsresult UnregisterIdleObserver(nsIIdleObserver* aIdleObserverPtr);

  1240   // Inner windows only.

  1241   nsresult FireHashchange(const nsAString &aOldURL, const nsAString &aNewURL);

  1243   void FlushPendingNotifications(mozFlushType aType);

  1245   // Outer windows only.

  1246   void EnsureReflowFlushAndPaint();

  1247   void CheckSecurityWidthAndHeight(int32_t* width, int32_t* height);

  1248   void CheckSecurityLeftAndTop(int32_t* left, int32_t* top);

  1250   // Outer windows only.

  1251   // Arguments to this function should have values in app units

  1252   void SetCSSViewportWidthAndHeight(nscoord width, nscoord height);

  1253   // Arguments to this function should have values in device pixels

  1254   nsresult SetDocShellWidthAndHeight(int32_t width, int32_t height);

  1256   static bool CanSetProperty(const char *aPrefName);

  1258   static void MakeScriptDialogTitle(nsAString &aOutTitle);

  1260   // Outer windows only.

  1261   bool CanMoveResizeWindows();

  1263   // If aDoFlush is true, we'll flush our own layout; otherwise we'll try to

  1264   // just flush our parent and only flush ourselves if we think we need to.

  1265   mozilla::CSSIntPoint GetScrollXY(bool aDoFlush, mozilla::ErrorResult& aError);

  1266   nsresult GetScrollXY(int32_t* aScrollX, int32_t* aScrollY, bool aDoFlush);

  1267   void GetScrollMaxXY(int32_t* aScrollMaxX, int32_t* aScrollMaxY,

  1268                       mozilla::ErrorResult& aError);

  1270   // Outer windows only.

  1271   nsresult GetInnerSize(mozilla::CSSIntSize& aSize);

  1272   nsIntSize GetOuterSize(mozilla::ErrorResult& aError);

  1273   void SetOuterSize(int32_t aLengthCSSPixels, bool aIsWidth,

  1274                     mozilla::ErrorResult& aError);

  1275   nsRect GetInnerScreenRect();

  1277   void ScrollTo(const mozilla::CSSIntPoint& aScroll);

  1279   bool IsFrame()

  1280   {

  1281     return GetParentInternal() != nullptr;

  1282   }

  1284   // Outer windows only.

  1285   // If aLookForCallerOnJSStack is true, this method will look at the JS stack

  1286   // to determine who the caller is.  If it's false, it'll use |this| as the

  1287   // caller.

  1288   bool WindowExists(const nsAString& aName, bool aLookForCallerOnJSStack);

  1290   already_AddRefed<nsIWidget> GetMainWidget();

  1291   nsIWidget* GetNearestWidget();

  1293   void Freeze()

  1294   {

  1295     NS_ASSERTION(!IsFrozen(), "Double-freezing?");

  1296     mIsFrozen = true;

  1297     NotifyDOMWindowFrozen(this);

  1298   }

  1300   void Thaw()

  1301   {

  1302     mIsFrozen = false;

  1303     NotifyDOMWindowThawed(this);

  1304   }

  1306   bool IsInModalState();

  1308   // Convenience functions for the many methods that need to scale

  1309   // from device to CSS pixels or vice versa.  Note: if a presentation

  1310   // context is not available, they will assume a 1:1 ratio.

  1311   int32_t DevToCSSIntPixels(int32_t px);

  1312   int32_t CSSToDevIntPixels(int32_t px);

  1313   nsIntSize DevToCSSIntPixels(nsIntSize px);

  1314   nsIntSize CSSToDevIntPixels(nsIntSize px);

  1316   virtual void SetFocusedNode(nsIContent* aNode,

  1317                               uint32_t aFocusMethod = 0,

  1318                               bool aNeedsFocus = false);

  1320   virtual uint32_t GetFocusMethod();

  1322   virtual bool ShouldShowFocusRing();

  1324   virtual void SetKeyboardIndicators(UIStateChangeType aShowAccelerators,

  1325                                      UIStateChangeType aShowFocusRings);

  1326   virtual void GetKeyboardIndicators(bool* aShowAccelerators,

  1327                                      bool* aShowFocusRings);

  1329   // Inner windows only.

  1330   void UpdateCanvasFocus(bool aFocusChanged, nsIContent* aNewContent);

  1332 public:

  1333   virtual already_AddRefed<nsPIWindowRoot> GetTopWindowRoot() MOZ_OVERRIDE;

  1335 protected:

  1336   static void NotifyDOMWindowDestroyed(nsGlobalWindow* aWindow);

  1337   void NotifyWindowIDDestroyed(const char* aTopic);

  1339   static void NotifyDOMWindowFrozen(nsGlobalWindow* aWindow);

  1340   static void NotifyDOMWindowThawed(nsGlobalWindow* aWindow);

  1342   void ClearStatus();

  1344   virtual void UpdateParentTarget();

  1346   inline int32_t DOMMinTimeoutValue() const;

  1348   nsresult CloneStorageEvent(const nsAString& aType,

  1349                              nsCOMPtr<nsIDOMStorageEvent>& aEvent);

  1351   // Outer windows only.

  1352   nsDOMWindowList* GetWindowList();

  1354   // Helper for getComputedStyle and getDefaultComputedStyle

  1355   already_AddRefed<nsICSSDeclaration>

  1356     GetComputedStyleHelper(mozilla::dom::Element& aElt,

  1357                            const nsAString& aPseudoElt,

  1358                            bool aDefaultStylesOnly,

  1359                            mozilla::ErrorResult& aError);

  1360   nsresult GetComputedStyleHelper(nsIDOMElement* aElt,

  1361                                   const nsAString& aPseudoElt,

  1362                                   bool aDefaultStylesOnly,

  1363                                   nsIDOMCSSStyleDeclaration** aReturn);

  1365   void PreloadLocalStorage();

  1367   // Returns device pixels.  Outer windows only.

  1368   nsIntPoint GetScreenXY(mozilla::ErrorResult& aError);

  1370   int32_t RequestAnimationFrame(const nsIDocument::FrameRequestCallbackHolder& aCallback,

  1371                                 mozilla::ErrorResult& aError);

  1373   nsGlobalWindow* InnerForSetTimeoutOrInterval(mozilla::ErrorResult& aError);

  1375   mozilla::dom::Element* GetRealFrameElement(mozilla::ErrorResult& aError);

  1377   void PostMessageMoz(JSContext* aCx, JS::Handle<JS::Value> aMessage,

  1378                       const nsAString& aTargetOrigin,

  1379                       JS::Handle<JS::Value> aTransfer,

  1380                       mozilla::ErrorResult& aError);

  1382   already_AddRefed<nsIVariant>

  1383     ShowModalDialog(const nsAString& aUrl, nsIVariant* aArgument,

  1384                     const nsAString& aOptions, mozilla::ErrorResult& aError);

  1386   already_AddRefed<nsIDOMWindow>

  1387     GetContentInternal(mozilla::ErrorResult& aError);

  1389   // Ask the user if further dialogs should be blocked, if dialogs are currently

  1390   // being abused. This is used in the cases where we have no modifiable UI to

  1391   // show, in that case we show a separate dialog to ask this question.

  1392   bool ConfirmDialogIfNeeded();

  1394   // When adding new member variables, be careful not to create cycles

  1395   // through JavaScript.  If there is any chance that a member variable

  1396   // could own objects that are implemented in JavaScript, then those

  1397   // objects will keep the global object (this object) alive.  To prevent

  1398   // these cycles, ownership of such members must be released in

  1399   // |CleanUp| and |DetachFromDocShell|.

  1401   // This member is also used on both inner and outer windows, but

  1402   // for slightly different purposes. On inner windows it means the

  1403   // inner window is held onto by session history and should not

  1404   // change. On outer windows it means that the window is in a state

  1405   // where we don't want to force creation of a new inner window since

  1406   // we're in the middle of doing just that.

  1407   bool                          mIsFrozen : 1;

  1409   // These members are only used on outer window objects. Make sure

  1410   // you never set any of these on an inner object!

  1411   bool                          mFullScreen : 1;

  1412   bool                          mIsClosed : 1;

  1413   bool                          mInClose : 1;

  1414   // mHavePendingClose means we've got a termination function set to

  1415   // close us when the JS stops executing or that we have a close

  1416   // event posted.  If this is set, just ignore window.close() calls.

  1417   bool                          mHavePendingClose : 1;

  1418   bool                          mHadOriginalOpener : 1;

  1419   bool                          mIsPopupSpam : 1;

  1421   // Indicates whether scripts are allowed to close this window.

  1422   bool                          mBlockScriptedClosingFlag : 1;

  1424   // Track what sorts of events we need to fire when thawed

  1425   bool                          mFireOfflineStatusChangeEventOnThaw : 1;

  1426   bool                          mNotifyIdleObserversIdleOnThaw : 1;

  1427   bool                          mNotifyIdleObserversActiveOnThaw : 1;

  1429   // Indicates whether we're in the middle of creating an initializing

  1430   // a new inner window object.

  1431   bool                          mCreatingInnerWindow : 1;

  1433   // Fast way to tell if this is a chrome window (without having to QI).

  1434   bool                          mIsChrome : 1;

  1436   // Hack to indicate whether a chrome window needs its message manager

  1437   // to be disconnected, since clean up code is shared in the global

  1438   // window superclass.

  1439   bool                          mCleanMessageManager : 1;

  1441   // Indicates that the current document has never received a document focus

  1442   // event.

  1443   bool                   mNeedsFocus : 1;

  1444   bool                   mHasFocus : 1;

  1446   // whether to show keyboard accelerators

  1447   bool                   mShowAccelerators : 1;

  1449   // whether to show focus rings

  1450   bool                   mShowFocusRings : 1;

  1452   // when true, show focus rings for the current focused content only.

  1453   // This will be reset when another element is focused

  1454   bool                   mShowFocusRingForContent : 1;

  1456   // true if tab navigation has occurred for this window. Focus rings

  1457   // should be displayed.

  1458   bool                   mFocusByKeyOccurred : 1;

  1460   // Ensure that a call to ResumeTimeouts() after FreeInnerObjects() does nothing.

  1461   // This member is only used by inner windows.

  1462   bool                   mInnerObjectsFreed : 1;

  1464   // Indicates whether this window wants gamepad input events

  1465   bool                   mHasGamepad : 1;

  1466 #ifdef MOZ_GAMEPAD

  1467   nsRefPtrHashtable<nsUint32HashKey, mozilla::dom::Gamepad> mGamepads;

  1468   bool mHasSeenGamepadInput;

  1469 #endif

  1471   // whether we've sent the destroy notification for our window id

  1472   bool                   mNotifiedIDDestroyed : 1;

  1473   // whether scripts may close the window,

  1474   // even if "dom.allow_scripts_to_close_windows" is false.

  1475   bool                   mAllowScriptsToClose : 1;

  1477   nsCOMPtr<nsIScriptContext>    mContext;

  1478   nsWeakPtr                     mOpener;

  1479   nsCOMPtr<nsIControllers>      mControllers;

  1481   // For |window.arguments|, via |openDialog|.

  1482   nsCOMPtr<nsIArray>            mArguments;

  1484   // For |window.dialogArguments|, via |showModalDialog|.

  1485   nsRefPtr<DialogValueHolder> mDialogArguments;

  1487   // Only used in the outer.

  1488   nsRefPtr<DialogValueHolder> mReturnValue;

  1490   nsRefPtr<mozilla::dom::Navigator> mNavigator;

  1491   nsRefPtr<nsScreen>            mScreen;

  1492   nsRefPtr<nsDOMWindowList>     mFrames;

  1493   nsRefPtr<mozilla::dom::BarProp> mMenubar;

  1494   nsRefPtr<mozilla::dom::BarProp> mToolbar;

  1495   nsRefPtr<mozilla::dom::BarProp> mLocationbar;

  1496   nsRefPtr<mozilla::dom::BarProp> mPersonalbar;

  1497   nsRefPtr<mozilla::dom::BarProp> mStatusbar;

  1498   nsRefPtr<mozilla::dom::BarProp> mScrollbars;

  1499   nsRefPtr<nsDOMWindowUtils>    mWindowUtils;

  1500   nsString                      mStatus;

  1501   nsString                      mDefaultStatus;

  1502   nsGlobalWindowObserver*       mObserver; // Inner windows only.

  1503   nsCOMPtr<nsIDOMCrypto>        mCrypto;

  1504   nsRefPtr<mozilla::dom::Console> mConsole;

  1505   // We need to store an nsISupports pointer to this object because the

  1506   // mozilla::dom::External class doesn't exist on b2g and using the type

  1507   // forward declared here means that ~nsGlobalWindow wouldn't compile because

  1508   // it wouldn't see the ~External function's declaration.

  1509   nsCOMPtr<nsISupports>         mExternal;

  1511   nsCOMPtr<nsIDOMStorage>      mLocalStorage;

  1512   nsCOMPtr<nsIDOMStorage>      mSessionStorage;

  1514   // These member variable are used only on inner windows.

  1515   nsRefPtr<mozilla::EventListenerManager> mListenerManager;

  1516   // mTimeouts is generally sorted by mWhen, unless mTimeoutInsertionPoint is

  1517   // non-null.  In that case, the dummy timeout pointed to by

  1518   // mTimeoutInsertionPoint may have a later mWhen than some of the timeouts

  1519   // that come after it.

  1520   mozilla::LinkedList<nsTimeout> mTimeouts;

  1521   // If mTimeoutInsertionPoint is non-null, insertions should happen after it.

  1522   // This is a dummy timeout at the moment; if that ever changes, the logic in

  1523   // ResetTimersForNonBackgroundWindow needs to change.

  1524   nsTimeout*                    mTimeoutInsertionPoint;

  1525   uint32_t                      mTimeoutPublicIdCounter;

  1526   uint32_t                      mTimeoutFiringDepth;

  1527   nsRefPtr<nsLocation>          mLocation;

  1528   nsRefPtr<nsHistory>           mHistory;

  1530   // These member variables are used on both inner and the outer windows.

  1531   nsCOMPtr<nsIPrincipal> mDocumentPrincipal;

  1533   typedef nsCOMArray<nsIDOMStorageEvent> nsDOMStorageEventArray;

  1534   nsDOMStorageEventArray mPendingStorageEvents;

  1536   uint32_t mTimeoutsSuspendDepth;

  1538   // the method that was used to focus mFocusedNode

  1539   uint32_t mFocusMethod;

  1541   uint32_t mSerial;

  1543 #ifdef DEBUG

  1544   bool mSetOpenerWindowCalled;

  1545   nsCOMPtr<nsIURI> mLastOpenedURI;

  1546 #endif

  1548 #ifdef MOZ_B2G

  1549   bool mNetworkUploadObserverEnabled;

  1550   bool mNetworkDownloadObserverEnabled;

  1551 #endif // MOZ_B2G

  1553   bool mCleanedUp;

  1555   nsCOMPtr<nsIDOMOfflineResourceList> mApplicationCache;

  1557   nsAutoPtr<nsJSThingHashtable<nsPtrHashKey<nsXBLPrototypeHandler>, JSObject*> > mCachedXBLPrototypeHandlers;

  1559   // mSuspendedDoc is only set on outer windows. It's useful when we get matched

  1560   // EnterModalState/LeaveModalState calls, in which case the outer window is

  1561   // responsible for unsuspending events on the document. If we don't (for

  1562   // example, if the outer window is closed before the LeaveModalState call),

  1563   // then the inner window whose mDoc is our mSuspendedDoc is responsible for

  1564   // unsuspending it.

  1565   nsCOMPtr<nsIDocument> mSuspendedDoc;

  1567   nsRefPtr<mozilla::dom::indexedDB::IDBFactory> mIndexedDB;

  1569   // This counts the number of windows that have been opened in rapid succession

  1570   // (i.e. within dom.successive_dialog_time_limit of each other). It is reset

  1571   // to 0 once a dialog is opened after dom.successive_dialog_time_limit seconds

  1572   // have elapsed without any other dialogs.

  1573   uint32_t                      mDialogAbuseCount;

  1575   // This holds the time when the last modal dialog was shown. If more than

  1576   // MAX_DIALOG_LIMIT dialogs are shown within the time span defined by

  1577   // dom.successive_dialog_time_limit, we show a checkbox or confirmation prompt

  1578   // to allow disabling of further dialogs from this window.

  1579   TimeStamp                     mLastDialogQuitTime;

  1581   // This flag keeps track of whether dialogs are

  1582   // currently enabled on this window.

  1583   bool                          mAreDialogsEnabled;

  1585   nsTHashtable<nsPtrHashKey<mozilla::DOMEventTargetHelper> > mEventTargetObjects;

  1587   nsTArray<uint32_t> mEnabledSensors;

  1589 #ifdef MOZ_WEBSPEECH

  1590   // mSpeechSynthesis is only used on inner windows.

  1591   nsRefPtr<mozilla::dom::SpeechSynthesis> mSpeechSynthesis;

  1592 #endif

  1594   friend class nsDOMScriptableHelper;

  1595   friend class nsDOMWindowUtils;

  1596   friend class PostMessageEvent;

  1597   friend class DesktopNotification;

  1599   static WindowByIdTable* sWindowsById;

  1600   static bool sWarnedAboutWindowInternal;

  1601 };

  1603 inline nsISupports*

  1604 ToSupports(nsGlobalWindow *p)

  1605 {

  1606     return static_cast<nsIDOMEventTarget*>(p);

  1607 }

  1609 inline nsISupports*

  1610 ToCanonicalSupports(nsGlobalWindow *p)

  1611 {

  1612     return static_cast<nsIDOMEventTarget*>(p);

  1613 }

  1615 /*

  1616  * nsGlobalChromeWindow inherits from nsGlobalWindow. It is the global

  1617  * object created for a Chrome Window only.

  1618  */

  1619 class nsGlobalChromeWindow : public nsGlobalWindow,

  1620                              public nsIDOMChromeWindow

  1621 {

  1622 public:

  1623   // nsISupports

  1624   NS_DECL_ISUPPORTS_INHERITED

  1626   // nsIDOMChromeWindow interface

  1627   NS_DECL_NSIDOMCHROMEWINDOW

  1629   nsGlobalChromeWindow(nsGlobalWindow *aOuterWindow)

  1630     : nsGlobalWindow(aOuterWindow)

  1631   {

  1632     mIsChrome = true;

  1633     mCleanMessageManager = true;

  1634   }

  1636   ~nsGlobalChromeWindow()

  1637   {

  1638     NS_ABORT_IF_FALSE(mCleanMessageManager,

  1639                       "chrome windows may always disconnect the msg manager");

  1640     if (mMessageManager) {

  1641       static_cast<nsFrameMessageManager *>(

  1642         mMessageManager.get())->Disconnect();

  1643     }

  1645     mCleanMessageManager = false;

  1646   }

  1648   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsGlobalChromeWindow,

  1649                                            nsGlobalWindow)

  1651   using nsGlobalWindow::GetBrowserDOMWindow;

  1652   using nsGlobalWindow::SetBrowserDOMWindow;

  1653   using nsGlobalWindow::GetAttention;

  1654   using nsGlobalWindow::GetAttentionWithCycleCount;

  1655   using nsGlobalWindow::SetCursor;

  1656   using nsGlobalWindow::Maximize;

  1657   using nsGlobalWindow::Minimize;

  1658   using nsGlobalWindow::Restore;

  1659   using nsGlobalWindow::NotifyDefaultButtonLoaded;

  1660   using nsGlobalWindow::GetMessageManager;

  1661   using nsGlobalWindow::BeginWindowMove;

  1663   nsCOMPtr<nsIBrowserDOMWindow> mBrowserDOMWindow;

  1664   nsCOMPtr<nsIMessageBroadcaster> mMessageManager;

  1665 };

  1667 /*

  1668  * nsGlobalModalWindow inherits from nsGlobalWindow. It is the global

  1669  * object created for a modal content windows only (i.e. not modal

  1670  * chrome dialogs).

  1671  */

  1672 class nsGlobalModalWindow : public nsGlobalWindow,

  1673                             public nsIDOMModalContentWindow

  1674 {

  1675 public:

  1676   nsGlobalModalWindow(nsGlobalWindow *aOuterWindow)

  1677     : nsGlobalWindow(aOuterWindow)

  1678   {

  1679     mIsModalContentWindow = true;

  1680   }

  1682   NS_DECL_ISUPPORTS_INHERITED

  1683   NS_DECL_NSIDOMMODALCONTENTWINDOW

  1684 };

  1686 /* factory function */

  1687 inline already_AddRefed<nsGlobalWindow>

  1688 NS_NewScriptGlobalObject(bool aIsChrome, bool aIsModalContentWindow)

  1689 {

  1690   nsRefPtr<nsGlobalWindow> global;

  1692   if (aIsChrome) {

  1693     global = new nsGlobalChromeWindow(nullptr);

  1694   } else if (aIsModalContentWindow) {

  1695     global = new nsGlobalModalWindow(nullptr);

  1696   } else {

  1697     global = new nsGlobalWindow(nullptr);

  1698   }

  1700   return global.forget();

  1701 }

  1703 #endif /* nsGlobalWindow_h___ */

The Tor Browser / file revision

dom/base/nsGlobalWindow.h@6474c204b198

dom/base/nsGlobalWindow.h