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gecko-dev/dom/ipc/TabChild.h
Phil Ringnalda 56dcb2694d Merge m-i to m-c, a=merge 
MozReview-Commit-ID: J2Mx0f21eBE
2016-10-31 18:35:14 -07:00

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_TabChild_h
#define mozilla_dom_TabChild_h
#include "mozilla/dom/PBrowserChild.h"
#include "nsIWebNavigation.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsIWebBrowserChrome2.h"
#include "nsIEmbeddingSiteWindow.h"
#include "nsIWebBrowserChromeFocus.h"
#include "nsIDOMEventListener.h"
#include "nsIInterfaceRequestor.h"
#include "nsIWindowProvider.h"
#include "nsIDOMWindow.h"
#include "nsIDocShell.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsFrameMessageManager.h"
#include "nsIPresShell.h"
#include "nsIScriptObjectPrincipal.h"
#include "nsWeakReference.h"
#include "nsITabChild.h"
#include "nsITooltipListener.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/TabContext.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/EventForwards.h"
#include "mozilla/layers/CompositorTypes.h"
#include "mozilla/layers/APZCCallbackHelper.h"
#include "nsIWebBrowserChrome3.h"
#include "mozilla/dom/ipc/IdType.h"
#include "AudioChannelService.h"
#include "PuppetWidget.h"
#include "mozilla/layers/GeckoContentController.h"
#include "nsISHistoryListener.h"
#include "nsIPartialSHistoryListener.h"
class nsIDOMWindowUtils;
class nsIHttpChannel;
namespace mozilla {
namespace layout {
class RenderFrameChild;
} // namespace layout
namespace layers {
class APZChild;
class APZEventState;
class AsyncDragMetrics;
class IAPZCTreeManager;
class ImageCompositeNotification;
} // namespace layers
namespace widget {
struct AutoCacheNativeKeyCommands;
} // namespace widget
namespace plugins {
class PluginWidgetChild;
} // namespace plugins
namespace dom {
class TabChild;
class ClonedMessageData;
class TabChildBase;
class TabChildGlobal : public DOMEventTargetHelper,
public nsIContentFrameMessageManager,
public nsIScriptObjectPrincipal,
public nsIGlobalObject,
public nsSupportsWeakReference
{
public:
explicit TabChildGlobal(TabChildBase* aTabChild);
void Init();
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TabChildGlobal, DOMEventTargetHelper)
NS_FORWARD_SAFE_NSIMESSAGELISTENERMANAGER(mMessageManager)
NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)
NS_FORWARD_SAFE_NSIMESSAGEMANAGERGLOBAL(mMessageManager)
NS_IMETHOD SendSyncMessage(const nsAString& aMessageName,
JS::Handle<JS::Value> aObject,
JS::Handle<JS::Value> aRemote,
nsIPrincipal* aPrincipal,
JSContext* aCx,
uint8_t aArgc,
JS::MutableHandle<JS::Value> aRetval) override
{
return mMessageManager
? mMessageManager->SendSyncMessage(aMessageName, aObject, aRemote,
aPrincipal, aCx, aArgc, aRetval)
: NS_ERROR_NULL_POINTER;
}
NS_IMETHOD SendRpcMessage(const nsAString& aMessageName,
JS::Handle<JS::Value> aObject,
JS::Handle<JS::Value> aRemote,
nsIPrincipal* aPrincipal,
JSContext* aCx,
uint8_t aArgc,
JS::MutableHandle<JS::Value> aRetval) override
{
return mMessageManager
? mMessageManager->SendRpcMessage(aMessageName, aObject, aRemote,
aPrincipal, aCx, aArgc, aRetval)
: NS_ERROR_NULL_POINTER;
}
NS_IMETHOD GetContent(mozIDOMWindowProxy** aContent) override;
NS_IMETHOD GetDocShell(nsIDocShell** aDocShell) override;
nsresult AddEventListener(const nsAString& aType,
nsIDOMEventListener* aListener,
bool aUseCapture)
{
// By default add listeners only for trusted events!
return DOMEventTargetHelper::AddEventListener(aType, aListener,
aUseCapture, false, 2);
}
using DOMEventTargetHelper::AddEventListener;
NS_IMETHOD AddEventListener(const nsAString& aType,
nsIDOMEventListener* aListener,
bool aUseCapture, bool aWantsUntrusted,
uint8_t optional_argc) override
{
return DOMEventTargetHelper::AddEventListener(aType, aListener,
aUseCapture,
aWantsUntrusted,
optional_argc);
}
nsresult
PreHandleEvent(EventChainPreVisitor& aVisitor) override
{
aVisitor.mForceContentDispatch = true;
return NS_OK;
}
virtual nsIPrincipal* GetPrincipal() override;
virtual JSObject* GetGlobalJSObject() override;
virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> aGivenProto) override
{
MOZ_CRASH("TabChildGlobal doesn't use DOM bindings!");
}
nsCOMPtr<nsIContentFrameMessageManager> mMessageManager;
RefPtr<TabChildBase> mTabChild;
protected:
~TabChildGlobal();
};
class ContentListener final : public nsIDOMEventListener
{
public:
explicit ContentListener(TabChild* aTabChild) : mTabChild(aTabChild) {}
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
protected:
~ContentListener() {}
TabChild* mTabChild;
};
/**
* Listens on session history change, and sends NotifySessionHistoryChange to
* parent process.
*/
class TabChildSHistoryListener final : public nsISHistoryListener,
public nsIPartialSHistoryListener,
public nsSupportsWeakReference
{
public:
explicit TabChildSHistoryListener(TabChild* aTabChild) : mTabChild(aTabChild) {}
void ClearTabChild() { mTabChild = nullptr; }
NS_DECL_ISUPPORTS
NS_DECL_NSISHISTORYLISTENER
NS_DECL_NSIPARTIALSHISTORYLISTENER
private:
~TabChildSHistoryListener() {}
TabChild* mTabChild;
};
// This is base clase which helps to share Viewport and touch related
// functionality between b2g/android FF/embedlite clients implementation.
// It make sense to place in this class all helper functions, and functionality
// which could be shared between Cross-process/Cross-thread implmentations.
class TabChildBase : public nsISupports,
public nsMessageManagerScriptExecutor,
public ipc::MessageManagerCallback
{
protected:
typedef mozilla::widget::PuppetWidget PuppetWidget;
public:
TabChildBase();
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TabChildBase)
virtual nsIWebNavigation* WebNavigation() const = 0;
virtual PuppetWidget* WebWidget() = 0;
nsIPrincipal* GetPrincipal() { return mPrincipal; }
virtual bool DoUpdateZoomConstraints(const uint32_t& aPresShellId,
const mozilla::layers::FrameMetrics::ViewID& aViewId,
const Maybe<mozilla::layers::ZoomConstraints>& aConstraints) = 0;
virtual ScreenIntSize GetInnerSize() = 0;
// Get the Document for the top-level window in this tab.
already_AddRefed<nsIDocument> GetDocument() const;
// Get the pres-shell of the document for the top-level window in this tab.
already_AddRefed<nsIPresShell> GetPresShell() const;
protected:
virtual ~TabChildBase();
// Wraps up a JSON object as a structured clone and sends it to the browser
// chrome script.
//
// XXX/bug 780335: Do the work the browser chrome script does in C++ instead
// so we don't need things like this.
void DispatchMessageManagerMessage(const nsAString& aMessageName,
const nsAString& aJSONData);
void ProcessUpdateFrame(const mozilla::layers::FrameMetrics& aFrameMetrics);
bool UpdateFrameHandler(const mozilla::layers::FrameMetrics& aFrameMetrics);
protected:
RefPtr<TabChildGlobal> mTabChildGlobal;
nsCOMPtr<nsIWebBrowserChrome3> mWebBrowserChrome;
};
class TabChild final : public TabChildBase,
public PBrowserChild,
public nsIWebBrowserChrome2,
public nsIEmbeddingSiteWindow,
public nsIWebBrowserChromeFocus,
public nsIInterfaceRequestor,
public nsIWindowProvider,
public nsSupportsWeakReference,
public nsITabChild,
public nsIObserver,
public TabContext,
public nsITooltipListener,
public mozilla::ipc::IShmemAllocator
{
typedef mozilla::dom::ClonedMessageData ClonedMessageData;
typedef mozilla::layout::RenderFrameChild RenderFrameChild;
typedef mozilla::layers::APZEventState APZEventState;
typedef mozilla::layers::SetAllowedTouchBehaviorCallback SetAllowedTouchBehaviorCallback;
public:
/**
* Find TabChild of aTabId in the same content process of the
* caller.
*/
static already_AddRefed<TabChild> FindTabChild(const TabId& aTabId);
// Return a list of all active TabChildren.
static nsTArray<RefPtr<TabChild>> GetAll();
public:
/**
* Create a new TabChild object.
*/
TabChild(nsIContentChild* aManager,
const TabId& aTabId,
const TabContext& aContext,
uint32_t aChromeFlags);
nsresult Init();
/**
* This is expected to be called off the critical path to content
* startup. This is an opportunity to load things that are slow
* on the critical path.
*/
static void PreloadSlowThings();
/** Return a TabChild with the given attributes. */
static already_AddRefed<TabChild>
Create(nsIContentChild* aManager, const TabId& aTabId,
const TabContext& aContext, uint32_t aChromeFlags);
// Let managees query if it is safe to send messages.
bool IsDestroyed() const{ return mDestroyed; }
const TabId GetTabId() const
{
MOZ_ASSERT(mUniqueId != 0);
return mUniqueId;
}
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIWEBBROWSERCHROME
NS_DECL_NSIWEBBROWSERCHROME2
NS_DECL_NSIEMBEDDINGSITEWINDOW
NS_DECL_NSIWEBBROWSERCHROMEFOCUS
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSIWINDOWPROVIDER
NS_DECL_NSITABCHILD
NS_DECL_NSIOBSERVER
NS_DECL_NSITOOLTIPLISTENER
FORWARD_SHMEM_ALLOCATOR_TO(PBrowserChild)
/**
* MessageManagerCallback methods that we override.
*/
virtual bool DoSendBlockingMessage(JSContext* aCx,
const nsAString& aMessage,
StructuredCloneData& aData,
JS::Handle<JSObject *> aCpows,
nsIPrincipal* aPrincipal,
nsTArray<StructuredCloneData>* aRetVal,
bool aIsSync) override;
virtual nsresult DoSendAsyncMessage(JSContext* aCx,
const nsAString& aMessage,
StructuredCloneData& aData,
JS::Handle<JSObject *> aCpows,
nsIPrincipal* aPrincipal) override;
virtual bool
DoUpdateZoomConstraints(const uint32_t& aPresShellId,
const ViewID& aViewId,
const Maybe<ZoomConstraints>& aConstraints) override;
virtual bool RecvLoadURL(const nsCString& aURI,
const ShowInfo& aInfo) override;
virtual bool
RecvShow(const ScreenIntSize& aSize,
const ShowInfo& aInfo,
const TextureFactoryIdentifier& aTextureFactoryIdentifier,
const uint64_t& aLayersId,
PRenderFrameChild* aRenderFrame,
const bool& aParentIsActive,
const nsSizeMode& aSizeMode) override;
virtual bool
RecvUpdateDimensions(const CSSRect& aRect,
const CSSSize& aSize,
const ScreenOrientationInternal& aOrientation,
const LayoutDeviceIntPoint& aClientOffset,
const LayoutDeviceIntPoint& aChromeDisp) override;
virtual bool
RecvSizeModeChanged(const nsSizeMode& aSizeMode) override;
virtual bool RecvActivate() override;
virtual bool RecvDeactivate() override;
virtual bool RecvMouseEvent(const nsString& aType,
const float& aX,
const float& aY,
const int32_t& aButton,
const int32_t& aClickCount,
const int32_t& aModifiers,
const bool& aIgnoreRootScrollFrame) override;
virtual bool RecvRealMouseMoveEvent(const mozilla::WidgetMouseEvent& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId) override;
virtual bool RecvSynthMouseMoveEvent(const mozilla::WidgetMouseEvent& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId) override;
virtual bool RecvRealMouseButtonEvent(const mozilla::WidgetMouseEvent& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId) override;
virtual bool RecvRealDragEvent(const WidgetDragEvent& aEvent,
const uint32_t& aDragAction,
const uint32_t& aDropEffect) override;
virtual bool
RecvRealKeyEvent(const mozilla::WidgetKeyboardEvent& aEvent,
const MaybeNativeKeyBinding& aBindings) override;
virtual bool RecvMouseWheelEvent(const mozilla::WidgetWheelEvent& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId) override;
virtual bool RecvRealTouchEvent(const WidgetTouchEvent& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId,
const nsEventStatus& aApzResponse) override;
virtual bool
RecvRealTouchMoveEvent(const WidgetTouchEvent& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId,
const nsEventStatus& aApzResponse) override;
virtual bool RecvKeyEvent(const nsString& aType,
const int32_t& aKeyCode,
const int32_t& aCharCode,
const int32_t& aModifiers,
const bool& aPreventDefault) override;
virtual bool RecvNativeSynthesisResponse(const uint64_t& aObserverId,
const nsCString& aResponse) override;
virtual bool RecvPluginEvent(const WidgetPluginEvent& aEvent) override;
virtual bool
RecvCompositionEvent(const mozilla::WidgetCompositionEvent& aEvent) override;
virtual bool
RecvSelectionEvent(const mozilla::WidgetSelectionEvent& aEvent) override;
virtual bool
RecvPasteTransferable(const IPCDataTransfer& aDataTransfer,
const bool& aIsPrivateData,
const IPC::Principal& aRequestingPrincipal) override;
virtual bool
RecvActivateFrameEvent(const nsString& aType, const bool& aCapture) override;
virtual bool RecvLoadRemoteScript(const nsString& aURL,
const bool& aRunInGlobalScope) override;
virtual bool RecvAsyncMessage(const nsString& aMessage,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
const ClonedMessageData& aData) override;
virtual bool
RecvSwappedWithOtherRemoteLoader(const IPCTabContext& aContext) override;
virtual PDocAccessibleChild*
AllocPDocAccessibleChild(PDocAccessibleChild*, const uint64_t&,
const uint32_t&) override;
virtual bool DeallocPDocAccessibleChild(PDocAccessibleChild*) override;
virtual PDocumentRendererChild*
AllocPDocumentRendererChild(const nsRect& aDocumentRect,
const gfx::Matrix& aTransform,
const nsString& aBggcolor,
const uint32_t& aRenderFlags,
const bool& aFlushLayout,
const nsIntSize& arenderSize) override;
virtual bool
DeallocPDocumentRendererChild(PDocumentRendererChild* aCctor) override;
virtual bool
RecvPDocumentRendererConstructor(PDocumentRendererChild* aActor,
const nsRect& aDocumentRect,
const gfx::Matrix& aTransform,
const nsString& aBgcolor,
const uint32_t& aRenderFlags,
const bool& aFlushLayout,
const nsIntSize& aRenderSize) override;
virtual PColorPickerChild*
AllocPColorPickerChild(const nsString& aTitle,
const nsString& aInitialColor) override;
virtual bool DeallocPColorPickerChild(PColorPickerChild* aActor) override;
virtual PDatePickerChild*
AllocPDatePickerChild(const nsString& title, const nsString& initialDate) override;
virtual bool DeallocPDatePickerChild(PDatePickerChild* actor) override;
virtual PFilePickerChild*
AllocPFilePickerChild(const nsString& aTitle, const int16_t& aMode) override;
virtual bool
DeallocPFilePickerChild(PFilePickerChild* aActor) override;
virtual PIndexedDBPermissionRequestChild*
AllocPIndexedDBPermissionRequestChild(const Principal& aPrincipal) override;
virtual bool
DeallocPIndexedDBPermissionRequestChild(PIndexedDBPermissionRequestChild* aActor) override;
virtual nsIWebNavigation* WebNavigation() const override
{
return mWebNav;
}
virtual PuppetWidget* WebWidget() override { return mPuppetWidget; }
/** Return the DPI of the widget this TabChild draws to. */
void GetDPI(float* aDPI);
void GetDefaultScale(double *aScale);
void GetWidgetRounding(int32_t* aRounding);
bool IsTransparent() const { return mIsTransparent; }
void GetMaxTouchPoints(uint32_t* aTouchPoints);
ScreenOrientationInternal GetOrientation() const { return mOrientation; }
void SetBackgroundColor(const nscolor& aColor);
void NotifyPainted();
void RequestNativeKeyBindings(mozilla::widget::AutoCacheNativeKeyCommands* aAutoCache,
const WidgetKeyboardEvent* aEvent);
/**
* Signal to this TabChild that it should be made visible:
* activated widget, retained layer tree, etc. (Respectively,
* made not visible.)
*/
void MakeVisible();
void MakeHidden();
nsIContentChild* Manager() const { return mManager; }
static inline TabChild*
GetFrom(nsIDocShell* aDocShell)
{
if (!aDocShell) {
return nullptr;
}
nsCOMPtr<nsITabChild> tc = aDocShell->GetTabChild();
return static_cast<TabChild*>(tc.get());
}
static inline TabChild*
GetFrom(mozIDOMWindow* aWindow)
{
nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
return GetFrom(docShell);
}
static inline TabChild*
GetFrom(mozIDOMWindowProxy* aWindow)
{
nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
return GetFrom(docShell);
}
static TabChild* GetFrom(nsIPresShell* aPresShell);
static TabChild* GetFrom(uint64_t aLayersId);
uint64_t LayersId() { return mLayersId; }
void DidComposite(uint64_t aTransactionId,
const TimeStamp& aCompositeStart,
const TimeStamp& aCompositeEnd);
void DidRequestComposite(const TimeStamp& aCompositeReqStart,
const TimeStamp& aCompositeReqEnd);
void ClearCachedResources();
void InvalidateLayers();
void ReinitRendering();
void CompositorUpdated(const TextureFactoryIdentifier& aNewIdentifier);
static inline TabChild* GetFrom(nsIDOMWindow* aWindow)
{
nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
return GetFrom(docShell);
}
virtual bool RecvUIResolutionChanged(const float& aDpi,
const int32_t& aRounding,
const double& aScale) override;
virtual bool
RecvThemeChanged(nsTArray<LookAndFeelInt>&& aLookAndFeelIntCache) override;
virtual bool RecvHandleAccessKey(const WidgetKeyboardEvent& aEvent,
nsTArray<uint32_t>&& aCharCodes,
const int32_t& aModifierMask) override;
virtual bool RecvAudioChannelChangeNotification(const uint32_t& aAudioChannel,
const float& aVolume,
const bool& aMuted) override;
virtual bool RecvSetUseGlobalHistory(const bool& aUse) override;
virtual bool RecvHandledWindowedPluginKeyEvent(
const mozilla::NativeEventData& aKeyEventData,
const bool& aIsConsumed) override;
virtual bool RecvPrint(const uint64_t& aOuterWindowID,
const PrintData& aPrintData) override;
virtual bool RecvUpdateNativeWindowHandle(const uintptr_t& aNewHandle) override;
/**
* Native widget remoting protocol for use with windowed plugins with e10s.
*/
PPluginWidgetChild* AllocPPluginWidgetChild() override;
bool DeallocPPluginWidgetChild(PPluginWidgetChild* aActor) override;
nsresult CreatePluginWidget(nsIWidget* aParent, nsIWidget** aOut);
LayoutDeviceIntPoint GetClientOffset() const { return mClientOffset; }
LayoutDeviceIntPoint GetChromeDisplacement() const { return mChromeDisp; };
bool IPCOpen() const { return mIPCOpen; }
bool ParentIsActive() const
{
return mParentIsActive;
}
bool AsyncPanZoomEnabled() const { return mAsyncPanZoomEnabled; }
virtual ScreenIntSize GetInnerSize() override;
// Call RecvShow(nsIntSize(0, 0)) and block future calls to RecvShow().
void DoFakeShow(const TextureFactoryIdentifier& aTextureFactoryIdentifier,
const uint64_t& aLayersId,
PRenderFrameChild* aRenderFrame,
const ShowInfo& aShowInfo);
void ContentReceivedInputBlock(const ScrollableLayerGuid& aGuid,
uint64_t aInputBlockId,
bool aPreventDefault) const;
void SetTargetAPZC(uint64_t aInputBlockId,
const nsTArray<ScrollableLayerGuid>& aTargets) const;
bool RecvHandleTap(const layers::GeckoContentController::TapType& aType,
const LayoutDevicePoint& aPoint,
const Modifiers& aModifiers,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId) override;
void SetAllowedTouchBehavior(uint64_t aInputBlockId,
const nsTArray<TouchBehaviorFlags>& aFlags) const;
bool UpdateFrame(const FrameMetrics& aFrameMetrics);
bool NotifyAPZStateChange(const ViewID& aViewId,
const layers::GeckoContentController::APZStateChange& aChange,
const int& aArg);
void StartScrollbarDrag(const layers::AsyncDragMetrics& aDragMetrics);
void ZoomToRect(const uint32_t& aPresShellId,
const FrameMetrics::ViewID& aViewId,
const CSSRect& aRect,
const uint32_t& aFlags);
// Request that the docshell be marked as active.
void ForcePaint(uint64_t aLayerObserverEpoch);
#if defined(XP_WIN) && defined(ACCESSIBILITY)
uintptr_t GetNativeWindowHandle() const { return mNativeWindowHandle; }
#endif
bool TakeIsFreshProcess()
{
bool wasFreshProcess = mIsFreshProcess;
mIsFreshProcess = false;
return wasFreshProcess;
}
protected:
virtual ~TabChild();
virtual PRenderFrameChild* AllocPRenderFrameChild() override;
virtual bool DeallocPRenderFrameChild(PRenderFrameChild* aFrame) override;
virtual bool RecvDestroy() override;
virtual bool RecvSetDocShellIsActive(const bool& aIsActive,
const bool& aIsHidden,
const uint64_t& aLayerObserverEpoch) override;
virtual bool RecvNavigateByKey(const bool& aForward,
const bool& aForDocumentNavigation) override;
virtual bool RecvRequestNotifyAfterRemotePaint() override;
virtual bool RecvSuppressDisplayport(const bool& aEnabled) override;
virtual bool RecvParentActivated(const bool& aActivated) override;
virtual bool RecvSetKeyboardIndicators(const UIStateChangeType& aShowAccelerators,
const UIStateChangeType& aShowFocusRings) override;
virtual bool RecvStopIMEStateManagement() override;
virtual bool RecvMenuKeyboardListenerInstalled(
const bool& aInstalled) override;
virtual bool RecvNotifyAttachGroupedSessionHistory(const uint32_t& aOffset) override;
virtual bool RecvNotifyPartialSessionHistoryActive(const uint32_t& aGlobalLength,
const uint32_t& aTargetLocalIndex) override;
virtual bool RecvNotifyPartialSessionHistoryDeactive() override;
virtual bool RecvSetFreshProcess() override;
private:
void HandleDoubleTap(const CSSPoint& aPoint, const Modifiers& aModifiers,
const ScrollableLayerGuid& aGuid);
// Notify others that our TabContext has been updated.
//
// You should call this after calling TabContext::SetTabContext(). We also
// call this during Init().
//
// @param aIsPreallocated true if this is called for Preallocated Tab.
void NotifyTabContextUpdated(bool aIsPreallocated);
// Update the frameType on our docshell.
void UpdateFrameType();
void ActorDestroy(ActorDestroyReason why) override;
enum FrameScriptLoading { DONT_LOAD_SCRIPTS, DEFAULT_LOAD_SCRIPTS };
bool InitTabChildGlobal(FrameScriptLoading aScriptLoading = DEFAULT_LOAD_SCRIPTS);
bool InitRenderingState(const TextureFactoryIdentifier& aTextureFactoryIdentifier,
const uint64_t& aLayersId,
PRenderFrameChild* aRenderFrame);
void DestroyWindow();
void SetProcessNameToAppName();
void ApplyShowInfo(const ShowInfo& aInfo);
bool HasValidInnerSize();
void SetTabId(const TabId& aTabId);
ScreenIntRect GetOuterRect();
void SetUnscaledInnerSize(const CSSSize& aSize)
{
mUnscaledInnerSize = aSize;
}
class DelayedDeleteRunnable;
TextureFactoryIdentifier mTextureFactoryIdentifier;
nsCOMPtr<nsIWebNavigation> mWebNav;
RefPtr<PuppetWidget> mPuppetWidget;
nsCOMPtr<nsIURI> mLastURI;
RenderFrameChild* mRemoteFrame;
RefPtr<nsIContentChild> mManager;
RefPtr<TabChildSHistoryListener> mHistoryListener;
uint32_t mChromeFlags;
int32_t mActiveSuppressDisplayport;
uint64_t mLayersId;
CSSRect mUnscaledOuterRect;
nscolor mLastBackgroundColor;
bool mDidFakeShow;
bool mNotified;
bool mTriedBrowserInit;
ScreenOrientationInternal mOrientation;
bool mIgnoreKeyPressEvent;
RefPtr<APZEventState> mAPZEventState;
SetAllowedTouchBehaviorCallback mSetAllowedTouchBehaviorCallback;
bool mHasValidInnerSize;
bool mDestroyed;
// Position of client area relative to the outer window
LayoutDeviceIntPoint mClientOffset;
// Position of tab, relative to parent widget (typically the window)
LayoutDeviceIntPoint mChromeDisp;
TabId mUniqueId;
friend class ContentChild;
float mDPI;
int32_t mRounding;
double mDefaultScale;
bool mIsTransparent;
bool mIPCOpen;
bool mParentIsActive;
bool mAsyncPanZoomEnabled;
CSSSize mUnscaledInnerSize;
bool mDidSetRealShowInfo;
bool mDidLoadURLInit;
bool mIsFreshProcess;
AutoTArray<bool, NUMBER_OF_AUDIO_CHANNELS> mAudioChannelsActive;
RefPtr<layers::IAPZCTreeManager> mApzcTreeManager;
// APZChild clears this pointer from its destructor, so it shouldn't be a
// dangling pointer.
layers::APZChild* mAPZChild;
// The most recently seen layer observer epoch in RecvSetDocShellIsActive.
uint64_t mLayerObserverEpoch;
#if defined(XP_WIN) && defined(ACCESSIBILITY)
// The handle associated with the native window that contains this tab
uintptr_t mNativeWindowHandle;
#endif // defined(XP_WIN)
DISALLOW_EVIL_CONSTRUCTORS(TabChild);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_TabChild_h
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