The Tor Browser: dom/ipc/TabChild.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++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2; -*- */

     2 /* vim: set sw=4 ts=8 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 mozilla_dom_TabChild_h

     8 #define mozilla_dom_TabChild_h

    10 #include "mozilla/dom/PBrowserChild.h"

    11 #include "nsIWebNavigation.h"

    12 #include "nsCOMPtr.h"

    13 #include "nsAutoPtr.h"

    14 #include "nsIWebBrowserChrome2.h"

    15 #include "nsIEmbeddingSiteWindow.h"

    16 #include "nsIWebBrowserChromeFocus.h"

    17 #include "nsIDOMEventListener.h"

    18 #include "nsIInterfaceRequestor.h"

    19 #include "nsIWindowProvider.h"

    20 #include "nsIDOMWindow.h"

    21 #include "nsIDocShell.h"

    22 #include "nsIInterfaceRequestorUtils.h"

    23 #include "nsFrameMessageManager.h"

    24 #include "nsIWebProgressListener.h"

    25 #include "nsIPresShell.h"

    26 #include "nsIScriptObjectPrincipal.h"

    27 #include "nsWeakReference.h"

    28 #include "nsITabChild.h"

    29 #include "nsITooltipListener.h"

    30 #include "mozilla/Attributes.h"

    31 #include "mozilla/dom/TabContext.h"

    32 #include "mozilla/DOMEventTargetHelper.h"

    33 #include "mozilla/EventDispatcher.h"

    34 #include "mozilla/EventForwards.h"

    35 #include "mozilla/layers/CompositorTypes.h"

    37 class nsICachedFileDescriptorListener;

    38 class nsIDOMWindowUtils;

    40 namespace mozilla {

    41 namespace layout {

    42 class RenderFrameChild;

    43 }

    45 namespace layers {

    46 class ActiveElementManager;

    47 }

    49 namespace widget {

    50 struct AutoCacheNativeKeyCommands;

    51 }

    53 namespace dom {

    55 class TabChild;

    56 class ClonedMessageData;

    57 class TabChildBase;

    59 class TabChildGlobal : public DOMEventTargetHelper,

    60                        public nsIContentFrameMessageManager,

    61                        public nsIScriptObjectPrincipal,

    62                        public nsIGlobalObject

    63 {

    64 public:

    65   TabChildGlobal(TabChildBase* aTabChild);

    66   void Init();

    67   NS_DECL_ISUPPORTS_INHERITED

    68   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TabChildGlobal, DOMEventTargetHelper)

    69   NS_FORWARD_SAFE_NSIMESSAGELISTENERMANAGER(mMessageManager)

    70   NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)

    71   NS_IMETHOD SendSyncMessage(const nsAString& aMessageName,

    72                              JS::Handle<JS::Value> aObject,

    73                              JS::Handle<JS::Value> aRemote,

    74                              nsIPrincipal* aPrincipal,

    75                              JSContext* aCx,

    76                              uint8_t aArgc,

    77                              JS::MutableHandle<JS::Value> aRetval)

    78   {

    79     return mMessageManager

    80       ? mMessageManager->SendSyncMessage(aMessageName, aObject, aRemote,

    81                                          aPrincipal, aCx, aArgc, aRetval)

    82       : NS_ERROR_NULL_POINTER;

    83   }

    84   NS_IMETHOD SendRpcMessage(const nsAString& aMessageName,

    85                             JS::Handle<JS::Value> aObject,

    86                             JS::Handle<JS::Value> aRemote,

    87                             nsIPrincipal* aPrincipal,

    88                             JSContext* aCx,

    89                             uint8_t aArgc,

    90                             JS::MutableHandle<JS::Value> aRetval)

    91   {

    92     return mMessageManager

    93       ? mMessageManager->SendRpcMessage(aMessageName, aObject, aRemote,

    94                                         aPrincipal, aCx, aArgc, aRetval)

    95       : NS_ERROR_NULL_POINTER;

    96   }

    97   NS_IMETHOD GetContent(nsIDOMWindow** aContent) MOZ_OVERRIDE;

    98   NS_IMETHOD GetDocShell(nsIDocShell** aDocShell) MOZ_OVERRIDE;

    99   NS_IMETHOD Dump(const nsAString& aStr) MOZ_OVERRIDE

   100   {

   101     return mMessageManager ? mMessageManager->Dump(aStr) : NS_OK;

   102   }

   103   NS_IMETHOD PrivateNoteIntentionalCrash() MOZ_OVERRIDE;

   104   NS_IMETHOD Btoa(const nsAString& aBinaryData,

   105                   nsAString& aAsciiBase64String) MOZ_OVERRIDE;

   106   NS_IMETHOD Atob(const nsAString& aAsciiString,

   107                   nsAString& aBinaryData) MOZ_OVERRIDE;

   109   NS_IMETHOD AddEventListener(const nsAString& aType,

   110                               nsIDOMEventListener* aListener,

   111                               bool aUseCapture)

   112   {

   113     // By default add listeners only for trusted events!

   114     return DOMEventTargetHelper::AddEventListener(aType, aListener,

   115                                                   aUseCapture, false, 2);

   116   }

   117   using DOMEventTargetHelper::AddEventListener;

   118   NS_IMETHOD AddEventListener(const nsAString& aType,

   119                               nsIDOMEventListener* aListener,

   120                               bool aUseCapture, bool aWantsUntrusted,

   121                               uint8_t optional_argc) MOZ_OVERRIDE

   122   {

   123     return DOMEventTargetHelper::AddEventListener(aType, aListener,

   124                                                   aUseCapture,

   125                                                   aWantsUntrusted,

   126                                                   optional_argc);

   127   }

   129   nsresult

   130   PreHandleEvent(EventChainPreVisitor& aVisitor)

   131   {

   132     aVisitor.mForceContentDispatch = true;

   133     return NS_OK;

   134   }

   136   virtual JSContext* GetJSContextForEventHandlers() MOZ_OVERRIDE;

   137   virtual nsIPrincipal* GetPrincipal() MOZ_OVERRIDE;

   138   virtual JSObject* GetGlobalJSObject() MOZ_OVERRIDE;

   140   nsCOMPtr<nsIContentFrameMessageManager> mMessageManager;

   141   nsRefPtr<TabChildBase> mTabChild;

   142 };

   144 class ContentListener MOZ_FINAL : public nsIDOMEventListener

   145 {

   146 public:

   147   ContentListener(TabChild* aTabChild) : mTabChild(aTabChild) {}

   148   NS_DECL_ISUPPORTS

   149   NS_DECL_NSIDOMEVENTLISTENER

   150 protected:

   151   TabChild* mTabChild;

   152 };

   154 // This is base clase which helps to share Viewport and touch related functionality

   155 // between b2g/android FF/embedlite clients implementation.

   156 // It make sense to place in this class all helper functions, and functionality which could be shared between

   157 // Cross-process/Cross-thread implmentations.

   158 class TabChildBase : public nsISupports,

   159                      public nsFrameScriptExecutor,

   160                      public ipc::MessageManagerCallback

   161 {

   162 public:

   163     TabChildBase();

   164     NS_DECL_CYCLE_COLLECTING_ISUPPORTS

   165     NS_DECL_CYCLE_COLLECTION_CLASS(TabChildBase)

   167     virtual nsIWebNavigation* WebNavigation() = 0;

   168     virtual nsIWidget* WebWidget() = 0;

   169     nsIPrincipal* GetPrincipal() { return mPrincipal; }

   170     bool IsAsyncPanZoomEnabled();

   171     // Recalculates the display state, including the CSS

   172     // viewport. This should be called whenever we believe the

   173     // viewport data on a document may have changed. If it didn't

   174     // change, this function doesn't do anything.  However, it should

   175     // not be called all the time as it is fairly expensive.

   176     bool HandlePossibleViewportChange();

   177     virtual bool DoUpdateZoomConstraints(const uint32_t& aPresShellId,

   178                                          const mozilla::layers::FrameMetrics::ViewID& aViewId,

   179                                          const bool& aIsRoot,

   180                                          const mozilla::layers::ZoomConstraints& aConstraints) = 0;

   182     nsEventStatus DispatchSynthesizedMouseEvent(uint32_t aMsg, uint64_t aTime,

   183                                                 const LayoutDevicePoint& aRefPoint,

   184                                                 nsIWidget* aWidget);

   186 protected:

   187     CSSSize GetPageSize(nsCOMPtr<nsIDocument> aDocument, const CSSSize& aViewport);

   189     // Get the DOMWindowUtils for the top-level window in this tab.

   190     already_AddRefed<nsIDOMWindowUtils> GetDOMWindowUtils();

   191     // Get the Document for the top-level window in this tab.

   192     already_AddRefed<nsIDocument> GetDocument();

   194     // Wrapper for nsIDOMWindowUtils.setCSSViewport(). This updates some state

   195     // variables local to this class before setting it.

   196     void SetCSSViewport(const CSSSize& aSize);

   198     // Wraps up a JSON object as a structured clone and sends it to the browser

   199     // chrome script.

   200     //

   201     // XXX/bug 780335: Do the work the browser chrome script does in C++ instead

   202     // so we don't need things like this.

   203     void DispatchMessageManagerMessage(const nsAString& aMessageName,

   204                                        const nsAString& aJSONData);

   206     nsEventStatus DispatchWidgetEvent(WidgetGUIEvent& event);

   208     bool HasValidInnerSize();

   209     void InitializeRootMetrics();

   211     mozilla::layers::FrameMetrics ProcessUpdateFrame(const mozilla::layers::FrameMetrics& aFrameMetrics);

   213     bool UpdateFrameHandler(const mozilla::layers::FrameMetrics& aFrameMetrics);

   215 protected:

   216     float mOldViewportWidth;

   217     bool mContentDocumentIsDisplayed;

   218     nsRefPtr<TabChildGlobal> mTabChildGlobal;

   219     ScreenIntSize mInnerSize;

   220     mozilla::layers::FrameMetrics mLastRootMetrics;

   221     mozilla::layout::ScrollingBehavior mScrolling;

   222 };

   224 class TabChild : public TabChildBase,

   225                  public PBrowserChild,

   226                  public nsIWebBrowserChrome2,

   227                  public nsIEmbeddingSiteWindow,

   228                  public nsIWebBrowserChromeFocus,

   229                  public nsIInterfaceRequestor,

   230                  public nsIWindowProvider,

   231                  public nsIDOMEventListener,

   232                  public nsIWebProgressListener,

   233                  public nsSupportsWeakReference,

   234                  public nsITabChild,

   235                  public nsIObserver,

   236                  public TabContext,

   237                  public nsITooltipListener

   238 {

   239     typedef mozilla::dom::ClonedMessageData ClonedMessageData;

   240     typedef mozilla::layout::RenderFrameChild RenderFrameChild;

   241     typedef mozilla::layout::ScrollingBehavior ScrollingBehavior;

   242     typedef mozilla::layers::ActiveElementManager ActiveElementManager;

   244 public:

   245     /**

   246      * This is expected to be called off the critical path to content

   247      * startup.  This is an opportunity to load things that are slow

   248      * on the critical path.

   249      */

   250     static void PreloadSlowThings();

   252     /** Return a TabChild with the given attributes. */

   253     static already_AddRefed<TabChild>

   254     Create(ContentChild* aManager, const TabContext& aContext, uint32_t aChromeFlags);

   256     virtual ~TabChild();

   258     bool IsRootContentDocument();

   260     NS_DECL_ISUPPORTS_INHERITED

   261     NS_DECL_NSIWEBBROWSERCHROME

   262     NS_DECL_NSIWEBBROWSERCHROME2

   263     NS_DECL_NSIEMBEDDINGSITEWINDOW

   264     NS_DECL_NSIWEBBROWSERCHROMEFOCUS

   265     NS_DECL_NSIINTERFACEREQUESTOR

   266     NS_DECL_NSIWINDOWPROVIDER

   267     NS_DECL_NSIDOMEVENTLISTENER

   268     NS_DECL_NSIWEBPROGRESSLISTENER

   269     NS_DECL_NSITABCHILD

   270     NS_DECL_NSIOBSERVER

   271     NS_DECL_NSITOOLTIPLISTENER

   273     /**

   274      * MessageManagerCallback methods that we override.

   275      */

   276     virtual bool DoSendBlockingMessage(JSContext* aCx,

   277                                        const nsAString& aMessage,

   278                                        const mozilla::dom::StructuredCloneData& aData,

   279                                        JS::Handle<JSObject *> aCpows,

   280                                        nsIPrincipal* aPrincipal,

   281                                        InfallibleTArray<nsString>* aJSONRetVal,

   282                                        bool aIsSync) MOZ_OVERRIDE;

   283     virtual bool DoSendAsyncMessage(JSContext* aCx,

   284                                     const nsAString& aMessage,

   285                                     const mozilla::dom::StructuredCloneData& aData,

   286                                     JS::Handle<JSObject *> aCpows,

   287                                     nsIPrincipal* aPrincipal) MOZ_OVERRIDE;

   288     virtual bool DoUpdateZoomConstraints(const uint32_t& aPresShellId,

   289                                          const ViewID& aViewId,

   290                                          const bool& aIsRoot,

   291                                          const ZoomConstraints& aConstraints) MOZ_OVERRIDE;

   292     virtual bool RecvLoadURL(const nsCString& uri) MOZ_OVERRIDE;

   293     virtual bool RecvCacheFileDescriptor(const nsString& aPath,

   294                                          const FileDescriptor& aFileDescriptor)

   295                                          MOZ_OVERRIDE;

   296     virtual bool RecvShow(const nsIntSize& size) MOZ_OVERRIDE;

   297     virtual bool RecvUpdateDimensions(const nsRect& rect,

   298                                       const nsIntSize& size,

   299                                       const ScreenOrientation& orientation) MOZ_OVERRIDE;

   300     virtual bool RecvUpdateFrame(const mozilla::layers::FrameMetrics& aFrameMetrics) MOZ_OVERRIDE;

   301     virtual bool RecvAcknowledgeScrollUpdate(const ViewID& aScrollId,

   302                                              const uint32_t& aScrollGeneration) MOZ_OVERRIDE;

   303     virtual bool RecvHandleDoubleTap(const CSSPoint& aPoint,

   304                                      const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;

   305     virtual bool RecvHandleSingleTap(const CSSPoint& aPoint,

   306                                      const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;

   307     virtual bool RecvHandleLongTap(const CSSPoint& aPoint,

   308                                    const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;

   309     virtual bool RecvHandleLongTapUp(const CSSPoint& aPoint,

   310                                      const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;

   311     virtual bool RecvNotifyAPZStateChange(const ViewID& aViewId,

   312                                           const APZStateChange& aChange,

   313                                           const int& aArg) MOZ_OVERRIDE;

   314     virtual bool RecvActivate() MOZ_OVERRIDE;

   315     virtual bool RecvDeactivate() MOZ_OVERRIDE;

   316     virtual bool RecvMouseEvent(const nsString& aType,

   317                                 const float&    aX,

   318                                 const float&    aY,

   319                                 const int32_t&  aButton,

   320                                 const int32_t&  aClickCount,

   321                                 const int32_t&  aModifiers,

   322                                 const bool&     aIgnoreRootScrollFrame) MOZ_OVERRIDE;

   323     virtual bool RecvRealMouseEvent(const mozilla::WidgetMouseEvent& event) MOZ_OVERRIDE;

   324     virtual bool RecvRealKeyEvent(const mozilla::WidgetKeyboardEvent& event,

   325                                   const MaybeNativeKeyBinding& aBindings) MOZ_OVERRIDE;

   326     virtual bool RecvMouseWheelEvent(const mozilla::WidgetWheelEvent& event) MOZ_OVERRIDE;

   327     virtual bool RecvRealTouchEvent(const WidgetTouchEvent& aEvent,

   328                                     const ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;

   329     virtual bool RecvRealTouchMoveEvent(const WidgetTouchEvent& aEvent,

   330                                         const ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;

   331     virtual bool RecvKeyEvent(const nsString& aType,

   332                               const int32_t&  aKeyCode,

   333                               const int32_t&  aCharCode,

   334                               const int32_t&  aModifiers,

   335                               const bool&     aPreventDefault) MOZ_OVERRIDE;

   336     virtual bool RecvCompositionEvent(const mozilla::WidgetCompositionEvent& event) MOZ_OVERRIDE;

   337     virtual bool RecvTextEvent(const mozilla::WidgetTextEvent& event) MOZ_OVERRIDE;

   338     virtual bool RecvSelectionEvent(const mozilla::WidgetSelectionEvent& event) MOZ_OVERRIDE;

   339     virtual bool RecvActivateFrameEvent(const nsString& aType, const bool& capture) MOZ_OVERRIDE;

   340     virtual bool RecvLoadRemoteScript(const nsString& aURL,

   341                                       const bool& aRunInGlobalScope) MOZ_OVERRIDE;

   342     virtual bool RecvAsyncMessage(const nsString& aMessage,

   343                                   const ClonedMessageData& aData,

   344                                   const InfallibleTArray<CpowEntry>& aCpows,

   345                                   const IPC::Principal& aPrincipal) MOZ_OVERRIDE;

   347     virtual PDocumentRendererChild*

   348     AllocPDocumentRendererChild(const nsRect& documentRect, const gfx::Matrix& transform,

   349                                 const nsString& bgcolor,

   350                                 const uint32_t& renderFlags, const bool& flushLayout,

   351                                 const nsIntSize& renderSize) MOZ_OVERRIDE;

   352     virtual bool DeallocPDocumentRendererChild(PDocumentRendererChild* actor) MOZ_OVERRIDE;

   353     virtual bool RecvPDocumentRendererConstructor(PDocumentRendererChild* actor,

   354                                                   const nsRect& documentRect,

   355                                                   const gfx::Matrix& transform,

   356                                                   const nsString& bgcolor,

   357                                                   const uint32_t& renderFlags,

   358                                                   const bool& flushLayout,

   359                                                   const nsIntSize& renderSize) MOZ_OVERRIDE;

   361     virtual PColorPickerChild*

   362     AllocPColorPickerChild(const nsString& title, const nsString& initialColor) MOZ_OVERRIDE;

   363     virtual bool DeallocPColorPickerChild(PColorPickerChild* actor) MOZ_OVERRIDE;

   365 #ifdef DEBUG

   366     virtual PContentPermissionRequestChild*

   367     SendPContentPermissionRequestConstructor(PContentPermissionRequestChild* aActor,

   368                                              const InfallibleTArray<PermissionRequest>& aRequests,

   369                                              const IPC::Principal& aPrincipal);

   370 #endif /* DEBUG */

   372     virtual PContentPermissionRequestChild*

   373     AllocPContentPermissionRequestChild(const InfallibleTArray<PermissionRequest>& aRequests,

   374                                         const IPC::Principal& aPrincipal) MOZ_OVERRIDE;

   375     virtual bool

   376     DeallocPContentPermissionRequestChild(PContentPermissionRequestChild* actor) MOZ_OVERRIDE;

   378     virtual PFilePickerChild*

   379     AllocPFilePickerChild(const nsString& aTitle, const int16_t& aMode) MOZ_OVERRIDE;

   380     virtual bool

   381     DeallocPFilePickerChild(PFilePickerChild* actor) MOZ_OVERRIDE;

   383     virtual POfflineCacheUpdateChild* AllocPOfflineCacheUpdateChild(

   384             const URIParams& manifestURI,

   385             const URIParams& documentURI,

   386             const bool& stickDocument) MOZ_OVERRIDE;

   387     virtual bool

   388     DeallocPOfflineCacheUpdateChild(POfflineCacheUpdateChild* offlineCacheUpdate) MOZ_OVERRIDE;

   390     virtual nsIWebNavigation* WebNavigation() MOZ_OVERRIDE { return mWebNav; }

   391     virtual nsIWidget* WebWidget() MOZ_OVERRIDE { return mWidget; }

   393     /** Return the DPI of the widget this TabChild draws to. */

   394     void GetDPI(float* aDPI);

   395     void GetDefaultScale(double *aScale);

   397     ScreenOrientation GetOrientation() { return mOrientation; }

   399     void SetBackgroundColor(const nscolor& aColor);

   401     void NotifyPainted();

   403     void RequestNativeKeyBindings(mozilla::widget::AutoCacheNativeKeyCommands* aAutoCache,

   404                                   WidgetKeyboardEvent* aEvent);

   406     /** Return a boolean indicating if the page has called preventDefault on

   407      *  the event.

   408      */

   409     bool DispatchMouseEvent(const nsString&       aType,

   410                             const CSSPoint&       aPoint,

   411                             const int32_t&        aButton,

   412                             const int32_t&        aClickCount,

   413                             const int32_t&        aModifiers,

   414                             const bool&           aIgnoreRootScrollFrame,

   415                             const unsigned short& aInputSourceArg);

   417     /**

   418      * Signal to this TabChild that it should be made visible:

   419      * activated widget, retained layer tree, etc.  (Respectively,

   420      * made not visible.)

   421      */

   422     void MakeVisible();

   423     void MakeHidden();

   425     // Returns true if the file descriptor was found in the cache, false

   426     // otherwise.

   427     bool GetCachedFileDescriptor(const nsAString& aPath,

   428                                  nsICachedFileDescriptorListener* aCallback);

   430     void CancelCachedFileDescriptorCallback(

   431                                     const nsAString& aPath,

   432                                     nsICachedFileDescriptorListener* aCallback);

   434     ContentChild* Manager() { return mManager; }

   436     bool GetUpdateHitRegion() { return mUpdateHitRegion; }

   438     void UpdateHitRegion(const nsRegion& aRegion);

   440     static inline TabChild*

   441     GetFrom(nsIDocShell* aDocShell)

   442     {

   443       nsCOMPtr<nsITabChild> tc = do_GetInterface(aDocShell);

   444       return static_cast<TabChild*>(tc.get());

   445     }

   447     static TabChild* GetFrom(nsIPresShell* aPresShell);

   448     static TabChild* GetFrom(uint64_t aLayersId);

   450     void DidComposite();

   452     static inline TabChild*

   453     GetFrom(nsIDOMWindow* aWindow)

   454     {

   455       nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);

   456       nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);

   457       return GetFrom(docShell);

   458     }

   460 protected:

   461     virtual PRenderFrameChild* AllocPRenderFrameChild() MOZ_OVERRIDE;

   462     virtual bool DeallocPRenderFrameChild(PRenderFrameChild* aFrame) MOZ_OVERRIDE;

   463     virtual bool RecvDestroy() MOZ_OVERRIDE;

   464     virtual bool RecvSetUpdateHitRegion(const bool& aEnabled) MOZ_OVERRIDE;

   465     virtual bool RecvSetIsDocShellActive(const bool& aIsActive) MOZ_OVERRIDE;

   467     virtual PIndexedDBChild* AllocPIndexedDBChild(const nsCString& aGroup,

   468                                                   const nsCString& aASCIIOrigin,

   469                                                   bool* /* aAllowed */) MOZ_OVERRIDE;

   471     virtual bool DeallocPIndexedDBChild(PIndexedDBChild* aActor) MOZ_OVERRIDE;

   473 private:

   474     /**

   475      * Create a new TabChild object.

   476      *

   477      * |aOwnOrContainingAppId| is the app-id of our frame or of the closest app

   478      * frame in the hierarchy which contains us.

   479      *

   480      * |aIsBrowserElement| indicates whether we're a browser (but not an app).

   481      */

   482     TabChild(ContentChild* aManager, const TabContext& aContext, uint32_t aChromeFlags);

   484     nsresult Init();

   487     // Notify others that our TabContext has been updated.  (At the moment, this

   488     // sets the appropriate app-id and is-browser flags on our docshell.)

   489     //

   490     // You should call this after calling TabContext::SetTabContext().  We also

   491     // call this during Init().

   492     void NotifyTabContextUpdated();

   494     bool UseDirectCompositor();

   496     void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;

   498     enum FrameScriptLoading { DONT_LOAD_SCRIPTS, DEFAULT_LOAD_SCRIPTS };

   499     bool InitTabChildGlobal(FrameScriptLoading aScriptLoading = DEFAULT_LOAD_SCRIPTS);

   500     bool InitRenderingState();

   501     void DestroyWindow();

   502     void SetProcessNameToAppName();

   504     // Call RecvShow(nsIntSize(0, 0)) and block future calls to RecvShow().

   505     void DoFakeShow();

   507     // These methods are used for tracking synthetic mouse events

   508     // dispatched for compatibility.  On each touch event, we

   509     // UpdateTapState().  If we've detected that the current gesture

   510     // isn't a tap, then we CancelTapTracking().  In the meantime, we

   511     // may detect a context-menu event, and if so we

   512     // FireContextMenuEvent().

   513     void FireContextMenuEvent();

   514     void CancelTapTracking();

   515     void UpdateTapState(const WidgetTouchEvent& aEvent, nsEventStatus aStatus);

   517     nsresult

   518     BrowserFrameProvideWindow(nsIDOMWindow* aOpener,

   519                               nsIURI* aURI,

   520                               const nsAString& aName,

   521                               const nsACString& aFeatures,

   522                               bool* aWindowIsNew,

   523                               nsIDOMWindow** aReturn);

   525     class CachedFileDescriptorInfo;

   526     class CachedFileDescriptorCallbackRunnable;

   528     TextureFactoryIdentifier mTextureFactoryIdentifier;

   529     nsCOMPtr<nsIWebNavigation> mWebNav;

   530     nsCOMPtr<nsIWidget> mWidget;

   531     nsCOMPtr<nsIURI> mLastURI;

   532     RenderFrameChild* mRemoteFrame;

   533     nsRefPtr<ContentChild> mManager;

   534     uint32_t mChromeFlags;

   535     uint64_t mLayersId;

   536     nsIntRect mOuterRect;

   537     // When we're tracking a possible tap gesture, this is the "down"

   538     // point of the touchstart.

   539     LayoutDevicePoint mGestureDownPoint;

   540     // The touch identifier of the active gesture.

   541     int32_t mActivePointerId;

   542     // A timer task that fires if the tap-hold timeout is exceeded by

   543     // the touch we're tracking.  That is, if touchend or a touchmove

   544     // that exceeds the gesture threshold doesn't happen.

   545     CancelableTask* mTapHoldTimer;

   546     // Whether we have already received a FileDescriptor for the app package.

   547     bool mAppPackageFileDescriptorRecved;

   548     // At present only 1 of these is really expected.

   549     nsAutoTArray<nsAutoPtr<CachedFileDescriptorInfo>, 1>

   550         mCachedFileDescriptorInfos;

   551     nscolor mLastBackgroundColor;

   552     bool mDidFakeShow;

   553     bool mNotified;

   554     bool mTriedBrowserInit;

   555     ScreenOrientation mOrientation;

   556     bool mUpdateHitRegion;

   557     bool mContextMenuHandled;

   558     bool mWaitingTouchListeners;

   559     void FireSingleTapEvent(LayoutDevicePoint aPoint);

   561     bool mIgnoreKeyPressEvent;

   562     nsRefPtr<ActiveElementManager> mActiveElementManager;

   564     DISALLOW_EVIL_CONSTRUCTORS(TabChild);

   565 };

   567 }

   568 }

   570 #endif // mozilla_dom_TabChild_h

The Tor Browser / file revision

dom/ipc/TabChild.h@6474c204b198

dom/ipc/TabChild.h