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gecko-dev/dom/ipc/BrowserChild.h

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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_BrowserChild_h
#define mozilla_dom_BrowserChild_h
#include "mozilla/dom/ContentFrameMessageManager.h"
#include "mozilla/dom/PBrowserChild.h"
#include "nsIWebNavigation.h"
#include "nsCOMPtr.h"
#include "nsIWebBrowserChrome.h"
#include "nsIEmbeddingSiteWindow.h"
#include "nsIWebBrowserChromeFocus.h"
#include "nsIDOMEventListener.h"
#include "nsIInterfaceRequestor.h"
#include "nsIWindowProvider.h"
#include "nsIDocShell.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsWeakReference.h"
#include "nsIBrowserChild.h"
#include "nsITooltipListener.h"
#include "nsIWebProgressListener.h"
#include "nsIWebProgressListener2.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/TabContext.h"
#include "mozilla/dom/CoalescedMouseData.h"
#include "mozilla/dom/CoalescedTouchData.h"
#include "mozilla/dom/CoalescedWheelData.h"
#include "mozilla/dom/MessageManagerCallback.h"
#include "mozilla/dom/VsyncMainChild.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/EventForwards.h"
#include "mozilla/layers/CompositorTypes.h"
#include "mozilla/layers/APZCCallbackHelper.h"
#include "mozilla/layers/CompositorOptions.h"
#include "mozilla/layers/GeckoContentControllerTypes.h"
#include "mozilla/dom/ipc/IdType.h"
#include "AudioChannelService.h"
#include "PuppetWidget.h"
#include "nsDeque.h"
#include "nsIRemoteTab.h"
#include "nsTHashSet.h"
class nsBrowserStatusFilter;
class nsIDOMWindow;
class nsIHttpChannel;
class nsIRequest;
class nsISerialEventTarget;
class nsIWebProgress;
class nsWebBrowser;
class nsDocShellLoadState;
template <typename T>
class nsTHashtable;
template <typename T>
class nsPtrHashKey;
namespace mozilla {
enum class NativeKeyBindingsType : uint8_t;
class AbstractThread;
class PresShell;
namespace layers {
class APZChild;
class APZEventState;
class AsyncDragMetrics;
class IAPZCTreeManager;
class ImageCompositeNotification;
class PCompositorBridgeChild;
} // namespace layers
namespace widget {
struct AutoCacheNativeKeyCommands;
} // namespace widget
namespace dom {
class BrowserChild;
class BrowsingContext;
class TabGroup;
class ClonedMessageData;
class CoalescedMouseData;
class CoalescedWheelData;
class SessionStoreChild;
class RequestData;
class WebProgressData;
class BrowserChildMessageManager : public ContentFrameMessageManager,
public nsIMessageSender,
public DispatcherTrait,
public nsSupportsWeakReference {
public:
explicit BrowserChildMessageManager(BrowserChild* aBrowserChild);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BrowserChildMessageManager,
DOMEventTargetHelper)
void MarkForCC();
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
virtual Nullable<WindowProxyHolder> GetContent(ErrorResult& aError) override;
virtual already_AddRefed<nsIDocShell> GetDocShell(
ErrorResult& aError) override;
virtual already_AddRefed<nsIEventTarget> GetTabEventTarget() override;
NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)
void GetEventTargetParent(EventChainPreVisitor& aVisitor) override {
aVisitor.mForceContentDispatch = true;
}
// Dispatch a runnable related to the global.
virtual nsresult Dispatch(mozilla::TaskCategory aCategory,
already_AddRefed<nsIRunnable>&& aRunnable) override;
virtual nsISerialEventTarget* EventTargetFor(
mozilla::TaskCategory aCategory) const override;
virtual AbstractThread* AbstractMainThreadFor(
mozilla::TaskCategory aCategory) override;
RefPtr<BrowserChild> mBrowserChild;
protected:
~BrowserChildMessageManager();
};
class ContentListener final : public nsIDOMEventListener {
public:
explicit ContentListener(BrowserChild* aBrowserChild)
: mBrowserChild(aBrowserChild) {}
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
protected:
~ContentListener() = default;
BrowserChild* mBrowserChild;
};
/**
* BrowserChild implements the child actor part of the PBrowser protocol. See
* PBrowser for more information.
*/
class BrowserChild final : public nsMessageManagerScriptExecutor,
public ipc::MessageManagerCallback,
public PBrowserChild,
public nsIWebBrowserChrome,
public nsIEmbeddingSiteWindow,
public nsIWebBrowserChromeFocus,
public nsIInterfaceRequestor,
public nsIWindowProvider,
public nsSupportsWeakReference,
public nsIBrowserChild,
public nsIObserver,
public nsIWebProgressListener2,
public TabContext,
public nsITooltipListener,
public mozilla::ipc::IShmemAllocator {
using PuppetWidget = mozilla::widget::PuppetWidget;
using ClonedMessageData = mozilla::dom::ClonedMessageData;
using CoalescedMouseData = mozilla::dom::CoalescedMouseData;
using CoalescedWheelData = mozilla::dom::CoalescedWheelData;
using APZEventState = mozilla::layers::APZEventState;
using TouchBehaviorFlags = mozilla::layers::TouchBehaviorFlags;
friend class PBrowserChild;
public:
/**
* Find BrowserChild of aTabId in the same content process of the
* caller.
*/
static already_AddRefed<BrowserChild> FindBrowserChild(const TabId& aTabId);
// Return a list of all active BrowserChildren.
static nsTArray<RefPtr<BrowserChild>> GetAll();
public:
/**
* Create a new BrowserChild object.
*/
BrowserChild(ContentChild* aManager, const TabId& aTabId,
const TabContext& aContext,
dom::BrowsingContext* aBrowsingContext, uint32_t aChromeFlags,
bool aIsTopLevel);
MOZ_CAN_RUN_SCRIPT nsresult Init(mozIDOMWindowProxy* aParent,
WindowGlobalChild* aInitialWindowChild);
/** Return a BrowserChild with the given attributes. */
static already_AddRefed<BrowserChild> Create(
ContentChild* aManager, const TabId& aTabId, const TabContext& aContext,
BrowsingContext* aBrowsingContext, uint32_t aChromeFlags,
bool aIsTopLevel);
// 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_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSIWEBBROWSERCHROME
NS_DECL_NSIEMBEDDINGSITEWINDOW
NS_DECL_NSIWEBBROWSERCHROMEFOCUS
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSIWINDOWPROVIDER
NS_DECL_NSIBROWSERCHILD
NS_DECL_NSIOBSERVER
NS_DECL_NSIWEBPROGRESSLISTENER
NS_DECL_NSIWEBPROGRESSLISTENER2
NS_DECL_NSITOOLTIPLISTENER
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(BrowserChild,
nsIBrowserChild)
FORWARD_SHMEM_ALLOCATOR_TO(PBrowserChild)
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return mBrowserChildMessageManager->WrapObject(aCx, aGivenProto);
}
// Get the Document for the top-level window in this tab.
already_AddRefed<Document> GetTopLevelDocument() const;
// Get the pres-shell of the document for the top-level window in this tab.
PresShell* GetTopLevelPresShell() const;
BrowserChildMessageManager* GetMessageManager() {
return mBrowserChildMessageManager;
}
bool IsTopLevel() const { return mIsTopLevel; }
bool ShouldSendWebProgressEventsToParent() const {
return mShouldSendWebProgressEventsToParent;
}
/**
* MessageManagerCallback methods that we override.
*/
virtual bool DoSendBlockingMessage(
const nsAString& aMessage, StructuredCloneData& aData,
nsTArray<StructuredCloneData>* aRetVal) override;
virtual nsresult DoSendAsyncMessage(const nsAString& aMessage,
StructuredCloneData& aData) override;
bool DoUpdateZoomConstraints(const uint32_t& aPresShellId,
const ViewID& aViewId,
const Maybe<ZoomConstraints>& aConstraints);
mozilla::ipc::IPCResult RecvLoadURL(nsDocShellLoadState* aLoadState,
const ParentShowInfo& aInfo);
mozilla::ipc::IPCResult RecvCreateAboutBlankContentViewer(
nsIPrincipal* aPrincipal, nsIPrincipal* aPartitionedPrincipal);
mozilla::ipc::IPCResult RecvResumeLoad(const uint64_t& aPendingSwitchID,
const ParentShowInfo&);
MOZ_CAN_RUN_SCRIPT_BOUNDARY mozilla::ipc::IPCResult
RecvCloneDocumentTreeIntoSelf(
const MaybeDiscarded<BrowsingContext>& aSourceBC,
const embedding::PrintData& aPrintData,
CloneDocumentTreeIntoSelfResolver&& aResolve);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvUpdateRemotePrintSettings(
const embedding::PrintData& aPrintData);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvShow(const ParentShowInfo&, const OwnerShowInfo&);
mozilla::ipc::IPCResult RecvInitRendering(
const TextureFactoryIdentifier& aTextureFactoryIdentifier,
const layers::LayersId& aLayersId,
const mozilla::layers::CompositorOptions& aCompositorOptions,
const bool& aLayersConnected);
mozilla::ipc::IPCResult RecvCompositorOptionsChanged(
const mozilla::layers::CompositorOptions& aNewOptions);
mozilla::ipc::IPCResult RecvUpdateDimensions(
const mozilla::dom::DimensionInfo& aDimensionInfo);
mozilla::ipc::IPCResult RecvSizeModeChanged(const nsSizeMode& aSizeMode);
mozilla::ipc::IPCResult RecvChildToParentMatrix(
const mozilla::Maybe<mozilla::gfx::Matrix4x4>& aMatrix,
const mozilla::ScreenRect& aTopLevelViewportVisibleRectInBrowserCoords);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvDynamicToolbarMaxHeightChanged(
const mozilla::ScreenIntCoord& aHeight);
mozilla::ipc::IPCResult RecvDynamicToolbarOffsetChanged(
const mozilla::ScreenIntCoord& aOffset);
mozilla::ipc::IPCResult RecvActivate(uint64_t aActionId);
mozilla::ipc::IPCResult RecvDeactivate(uint64_t aActionId);
mozilla::ipc::IPCResult RecvRealMouseMoveEvent(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvNormalPriorityRealMouseMoveEvent(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvRealMouseMoveEventForTests(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvNormalPriorityRealMouseMoveEventForTests(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvSynthMouseMoveEvent(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvNormalPrioritySynthMouseMoveEvent(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvRealMouseButtonEvent(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvNormalPriorityRealMouseButtonEvent(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvRealMouseEnterExitWidgetEvent(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvNormalPriorityRealMouseEnterExitWidgetEvent(
const mozilla::WidgetMouseEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvRealDragEvent(const WidgetDragEvent& aEvent,
const uint32_t& aDragAction,
const uint32_t& aDropEffect,
nsIPrincipal* aPrincipal,
nsIContentSecurityPolicy* aCsp);
mozilla::ipc::IPCResult RecvRealKeyEvent(
const mozilla::WidgetKeyboardEvent& aEvent);
mozilla::ipc::IPCResult RecvNormalPriorityRealKeyEvent(
const mozilla::WidgetKeyboardEvent& aEvent);
mozilla::ipc::IPCResult RecvMouseWheelEvent(
const mozilla::WidgetWheelEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvNormalPriorityMouseWheelEvent(
const mozilla::WidgetWheelEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
mozilla::ipc::IPCResult RecvRealTouchEvent(const WidgetTouchEvent& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId,
const nsEventStatus& aApzResponse);
mozilla::ipc::IPCResult RecvNormalPriorityRealTouchEvent(
const WidgetTouchEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId, const nsEventStatus& aApzResponse);
mozilla::ipc::IPCResult RecvRealTouchMoveEvent(
const WidgetTouchEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId, const nsEventStatus& aApzResponse);
mozilla::ipc::IPCResult RecvNormalPriorityRealTouchMoveEvent(
const WidgetTouchEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId, const nsEventStatus& aApzResponse);
mozilla::ipc::IPCResult RecvRealTouchMoveEvent2(
const WidgetTouchEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId, const nsEventStatus& aApzResponse) {
return RecvRealTouchMoveEvent(aEvent, aGuid, aInputBlockId, aApzResponse);
}
mozilla::ipc::IPCResult RecvNormalPriorityRealTouchMoveEvent2(
const WidgetTouchEvent& aEvent, const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId, const nsEventStatus& aApzResponse) {
return RecvNormalPriorityRealTouchMoveEvent(aEvent, aGuid, aInputBlockId,
aApzResponse);
}
mozilla::ipc::IPCResult RecvUpdateSHistory();
mozilla::ipc::IPCResult RecvNativeSynthesisResponse(
const uint64_t& aObserverId, const nsCString& aResponse);
mozilla::ipc::IPCResult RecvCompositionEvent(
const mozilla::WidgetCompositionEvent& aEvent);
mozilla::ipc::IPCResult RecvNormalPriorityCompositionEvent(
const mozilla::WidgetCompositionEvent& aEvent);
mozilla::ipc::IPCResult RecvSelectionEvent(
const mozilla::WidgetSelectionEvent& aEvent);
mozilla::ipc::IPCResult RecvNormalPrioritySelectionEvent(
const mozilla::WidgetSelectionEvent& aEvent);
mozilla::ipc::IPCResult RecvSetIsUnderHiddenEmbedderElement(
const bool& aIsUnderHiddenEmbedderElement);
mozilla::ipc::IPCResult RecvInsertText(const nsString& aStringToInsert);
mozilla::ipc::IPCResult RecvNormalPriorityInsertText(
const nsString& aStringToInsert);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvPasteTransferable(
const IPCDataTransfer& aDataTransfer, const bool& aIsPrivateData,
nsIPrincipal* aRequestingPrincipal,
const nsContentPolicyType& aContentPolicyType);
mozilla::ipc::IPCResult RecvActivateFrameEvent(const nsString& aType,
const bool& aCapture);
mozilla::ipc::IPCResult RecvLoadRemoteScript(const nsString& aURL,
const bool& aRunInGlobalScope);
mozilla::ipc::IPCResult RecvAsyncMessage(const nsString& aMessage,
const ClonedMessageData& aData);
mozilla::ipc::IPCResult RecvSwappedWithOtherRemoteLoader(
const IPCTabContext& aContext);
mozilla::ipc::IPCResult RecvSafeAreaInsetsChanged(
const mozilla::ScreenIntMargin& aSafeAreaInsets);
#ifdef ACCESSIBILITY
PDocAccessibleChild* AllocPDocAccessibleChild(
PDocAccessibleChild*, const uint64_t&,
const MaybeDiscardedBrowsingContext&, const uint32_t&,
const IAccessibleHolder&);
bool DeallocPDocAccessibleChild(PDocAccessibleChild*);
#endif
PColorPickerChild* AllocPColorPickerChild(const nsString& aTitle,
const nsString& aInitialColor);
bool DeallocPColorPickerChild(PColorPickerChild* aActor);
PFilePickerChild* AllocPFilePickerChild(const nsString& aTitle,
const int16_t& aMode);
RefPtr<VsyncMainChild> GetVsyncChild();
bool DeallocPFilePickerChild(PFilePickerChild* aActor);
nsIWebNavigation* WebNavigation() const { return mWebNav; }
PuppetWidget* WebWidget() { return mPuppetWidget; }
bool IsTransparent() const { return mIsTransparent; }
const EffectsInfo& GetEffectsInfo() const { return mEffectsInfo; }
void SetBackgroundColor(const nscolor& aColor);
MOZ_CAN_RUN_SCRIPT_BOUNDARY virtual mozilla::ipc::IPCResult RecvUpdateEffects(
const EffectsInfo& aEffects);
void RequestEditCommands(NativeKeyBindingsType aType,
const WidgetKeyboardEvent& aEvent,
nsTArray<CommandInt>& aCommands);
bool IsVisible();
bool IsPreservingLayers() const { return mIsPreservingLayers; }
/**
* Signal to this BrowserChild that it should be made visible:
* activated widget, retained layer tree, etc. (Respectively,
* made not visible.)
*/
MOZ_CAN_RUN_SCRIPT void UpdateVisibility();
MOZ_CAN_RUN_SCRIPT void MakeVisible();
void MakeHidden();
void PresShellActivenessMaybeChanged();
ContentChild* Manager() const { return mManager; }
static inline BrowserChild* GetFrom(nsIDocShell* aDocShell) {
if (!aDocShell) {
return nullptr;
}
nsCOMPtr<nsIBrowserChild> tc = aDocShell->GetBrowserChild();
return static_cast<BrowserChild*>(tc.get());
}
static inline BrowserChild* GetFrom(mozIDOMWindow* aWindow) {
nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
return GetFrom(docShell);
}
static inline BrowserChild* GetFrom(mozIDOMWindowProxy* aWindow) {
nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
return GetFrom(docShell);
}
static BrowserChild* GetFrom(PresShell* aPresShell);
static BrowserChild* GetFrom(layers::LayersId aLayersId);
layers::LayersId GetLayersId() { return mLayersId; }
Maybe<bool> IsLayersConnected() { return mLayersConnected; }
void DidComposite(mozilla::layers::TransactionId aTransactionId,
const TimeStamp& aCompositeStart,
const TimeStamp& aCompositeEnd);
void DidRequestComposite(const TimeStamp& aCompositeReqStart,
const TimeStamp& aCompositeReqEnd);
void ClearCachedResources();
void InvalidateLayers();
void SchedulePaint();
void ReinitRendering();
void ReinitRenderingForDeviceReset();
void NotifyJankedAnimations(const nsTArray<uint64_t>& aJankedAnimations);
static inline BrowserChild* GetFrom(nsIDOMWindow* aWindow) {
nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
return GetFrom(docShell);
}
mozilla::ipc::IPCResult RecvUIResolutionChanged(const float& aDpi,
const int32_t& aRounding,
const double& aScale);
mozilla::ipc::IPCResult RecvHandleAccessKey(const WidgetKeyboardEvent& aEvent,
nsTArray<uint32_t>&& aCharCodes);
mozilla::ipc::IPCResult RecvPrintPreview(const PrintData& aPrintData,
const MaybeDiscardedBrowsingContext&,
PrintPreviewResolver&& aCallback);
mozilla::ipc::IPCResult RecvExitPrintPreview();
mozilla::ipc::IPCResult RecvPrint(const MaybeDiscardedBrowsingContext&,
const PrintData&);
mozilla::ipc::IPCResult RecvUpdateNativeWindowHandle(
const uintptr_t& aNewHandle);
mozilla::ipc::IPCResult RecvWillChangeProcess();
PPaymentRequestChild* AllocPPaymentRequestChild();
bool DeallocPPaymentRequestChild(PPaymentRequestChild* aActor);
LayoutDeviceIntPoint GetClientOffset() const { return mClientOffset; }
LayoutDeviceIntPoint GetChromeOffset() const { return mChromeOffset; };
ScreenIntCoord GetDynamicToolbarMaxHeight() const {
return mDynamicToolbarMaxHeight;
};
bool IPCOpen() const { return mIPCOpen; }
const mozilla::layers::CompositorOptions& GetCompositorOptions() const;
bool AsyncPanZoomEnabled() const;
ScreenIntSize GetInnerSize();
CSSSize GetUnscaledInnerSize() { return mUnscaledInnerSize; }
Maybe<nsRect> GetVisibleRect() const;
// Call RecvShow(nsIntSize(0, 0)) and block future calls to RecvShow().
void DoFakeShow(const ParentShowInfo&);
void ContentReceivedInputBlock(uint64_t aInputBlockId,
bool aPreventDefault) const;
void SetTargetAPZC(
uint64_t aInputBlockId,
const nsTArray<layers::ScrollableLayerGuid>& aTargets) const;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvHandleTap(
const layers::GeckoContentController_TapType& aType,
const LayoutDevicePoint& aPoint, const Modifiers& aModifiers,
const ScrollableLayerGuid& aGuid, const uint64_t& aInputBlockId);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvNormalPriorityHandleTap(
const layers::GeckoContentController_TapType& aType,
const LayoutDevicePoint& aPoint, const Modifiers& aModifiers,
const ScrollableLayerGuid& aGuid, const uint64_t& aInputBlockId);
bool UpdateFrame(const layers::RepaintRequest& aRequest);
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 ScrollableLayerGuid::ViewID& aViewId,
const CSSRect& aRect, const uint32_t& aFlags);
// Request that the docshell be marked as active.
void PaintWhileInterruptingJS(const layers::LayersObserverEpoch& aEpoch);
nsresult CanCancelContentJS(nsIRemoteTab::NavigationType aNavigationType,
int32_t aNavigationIndex, nsIURI* aNavigationURI,
int32_t aEpoch, bool* aCanCancel);
layers::LayersObserverEpoch LayersObserverEpoch() const {
return mLayersObserverEpoch;
}
#if defined(XP_WIN) && defined(ACCESSIBILITY)
uintptr_t GetNativeWindowHandle() const { return mNativeWindowHandle; }
#endif
BrowsingContext* GetBrowsingContext() const { return mBrowsingContext; }
#if defined(ACCESSIBILITY)
void SetTopLevelDocAccessibleChild(PDocAccessibleChild* aTopLevelChild) {
mTopLevelDocAccessibleChild = aTopLevelChild;
}
PDocAccessibleChild* GetTopLevelDocAccessibleChild() {
return mTopLevelDocAccessibleChild;
}
#endif
// The transform from the coordinate space of this BrowserChild to the
// coordinate space of the native window its BrowserParent is in.
mozilla::LayoutDeviceToLayoutDeviceMatrix4x4
GetChildToParentConversionMatrix() const;
// Returns the portion of the visible rect of this remote document in the
// top browser window coordinate system. This is the result of being clipped
// by all ancestor viewports.
Maybe<ScreenRect> GetTopLevelViewportVisibleRectInBrowserCoords() const;
// Similar to above GetTopLevelViewportVisibleRectInBrowserCoords(), but in
// this out-of-process document's coordinate system.
Maybe<LayoutDeviceRect> GetTopLevelViewportVisibleRectInSelfCoords() const;
// Prepare to dispatch all coalesced mousemove events. We'll move all data
// in mCoalescedMouseData to a nsDeque; then we start processing them. We
// can't fetch the coalesced event one by one and dispatch it because we may
// reentry the event loop and access to the same hashtable. It's called when
// dispatching some mouse events other than mousemove.
void FlushAllCoalescedMouseData();
void ProcessPendingCoalescedMouseDataAndDispatchEvents();
void ProcessPendingCoalescedTouchData();
void HandleRealMouseButtonEvent(const WidgetMouseEvent& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
void SetCancelContentJSEpoch(int32_t aEpoch) {
mCancelContentJSEpoch = aEpoch;
}
void UpdateSessionStore();
mozilla::dom::SessionStoreChild* GetSessionStoreChild() {
return mSessionStoreChild;
}
#ifdef XP_WIN
// Check if the window this BrowserChild is associated with supports
// protected media (EME) or not.
// Returns a promise the will resolve true if the window supports protected
// media or false if it does not. The promise will be rejected with an
// ResponseRejectReason if the IPC needed to do the check fails. Callers
// should treat the reject case as if the window does not support protected
// media to ensure robust handling.
RefPtr<IsWindowSupportingProtectedMediaPromise>
DoesWindowSupportProtectedMedia();
#endif
// Notify the content blocking event in the parent process. This sends an IPC
// message to the BrowserParent in the parent. The BrowserParent will find the
// top-level WindowGlobalParent and notify the event from it.
void NotifyContentBlockingEvent(
uint32_t aEvent, nsIChannel* aChannel, bool aBlocked,
const nsACString& aTrackingOrigin,
const nsTArray<nsCString>& aTrackingFullHashes,
const Maybe<
ContentBlockingNotifier::StorageAccessPermissionGrantedReason>&
aReason);
protected:
virtual ~BrowserChild();
mozilla::ipc::IPCResult RecvDestroy();
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvRenderLayers(
const bool& aEnabled, const layers::LayersObserverEpoch& aEpoch);
mozilla::ipc::IPCResult RecvPreserveLayers(bool);
mozilla::ipc::IPCResult RecvNavigateByKey(const bool& aForward,
const bool& aForDocumentNavigation);
mozilla::ipc::IPCResult RecvSuppressDisplayport(const bool& aEnabled);
mozilla::ipc::IPCResult RecvScrollbarPreferenceChanged(ScrollbarPreference);
mozilla::ipc::IPCResult RecvSetKeyboardIndicators(
const UIStateChangeType& aShowFocusRings);
mozilla::ipc::IPCResult RecvStopIMEStateManagement();
mozilla::ipc::IPCResult RecvAllowScriptsToClose();
mozilla::ipc::IPCResult RecvReleaseAllPointerCapture();
private:
void HandleDoubleTap(const CSSPoint& aPoint, const Modifiers& aModifiers,
const ScrollableLayerGuid& aGuid);
void ActorDestroy(ActorDestroyReason why) override;
bool InitBrowserChildMessageManager();
void InitRenderingState(
const TextureFactoryIdentifier& aTextureFactoryIdentifier,
const layers::LayersId& aLayersId,
const mozilla::layers::CompositorOptions& aCompositorOptions);
void InitAPZState();
void DestroyWindow();
void ApplyParentShowInfo(const ParentShowInfo&);
bool HasValidInnerSize();
ScreenIntRect GetOuterRect();
void SetUnscaledInnerSize(const CSSSize& aSize) {
mUnscaledInnerSize = aSize;
}
bool SkipRepeatedKeyEvent(const WidgetKeyboardEvent& aEvent);
void UpdateRepeatedKeyEventEndTime(const WidgetKeyboardEvent& aEvent);
void DispatchCoalescedWheelEvent();
/**
* Dispatch aEvent on aEvent.mWidget.
*/
nsEventStatus DispatchWidgetEventViaAPZ(WidgetGUIEvent& aEvent);
void DispatchWheelEvent(const WidgetWheelEvent& aEvent,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId);
void InternalSetDocShellIsActive(bool aIsActive);
bool CreateRemoteLayerManager(
mozilla::layers::PCompositorBridgeChild* aCompositorChild);
nsresult PrepareRequestData(nsIRequest* aRequest, RequestData& aRequestData);
nsresult PrepareProgressListenerData(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
WebProgressData& aWebProgressData,
RequestData& aRequestData);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
nsresult UpdateRemotePrintSettings(const embedding::PrintData& aPrintData);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
nsresult CloneDocumentTreeIntoSelf(
const MaybeDiscarded<BrowsingContext>& aSourceBC,
const embedding::PrintData& aPrintData);
class DelayedDeleteRunnable;
RefPtr<BrowserChildMessageManager> mBrowserChildMessageManager;
TextureFactoryIdentifier mTextureFactoryIdentifier;
RefPtr<nsWebBrowser> mWebBrowser;
nsCOMPtr<nsIWebNavigation> mWebNav;
RefPtr<PuppetWidget> mPuppetWidget;
nsCOMPtr<nsIURI> mLastURI;
RefPtr<ContentChild> mManager;
RefPtr<BrowsingContext> mBrowsingContext;
RefPtr<nsBrowserStatusFilter> mStatusFilter;
uint32_t mChromeFlags;
uint32_t mMaxTouchPoints;
layers::LayersId mLayersId;
CSSRect mUnscaledOuterRect;
Maybe<bool> mLayersConnected;
EffectsInfo mEffectsInfo;
RefPtr<VsyncMainChild> mVsyncChild;
RefPtr<APZEventState> mAPZEventState;
// Position of client area relative to the outer window
LayoutDeviceIntPoint mClientOffset;
// Position of tab, relative to parent widget (typically the window)
// NOTE: This value is valuable only for the top level browser.
LayoutDeviceIntPoint mChromeOffset;
ScreenIntCoord mDynamicToolbarMaxHeight;
TabId mUniqueId;
bool mDidFakeShow : 1;
bool mTriedBrowserInit : 1;
bool mIgnoreKeyPressEvent : 1;
bool mHasValidInnerSize : 1;
bool mDestroyed : 1;
// Whether or not this browser is the child part of the top level PBrowser
// actor in a remote browser.
bool mIsTopLevel : 1;
// Whether or not this tab has siblings (other tabs in the same window).
// This is one factor used when choosing to allow or deny a non-system
// script's attempt to resize the window.
bool mHasSiblings : 1;
bool mIsTransparent : 1;
bool mIPCOpen : 1;
bool mDidSetRealShowInfo : 1;
bool mDidLoadURLInit : 1;
bool mSkipKeyPress : 1;
bool mDidSetEffectsInfo : 1;
bool mCoalesceMouseMoveEvents : 1;
bool mShouldSendWebProgressEventsToParent : 1;
// Whether we are rendering to the compositor or not.
bool mRenderLayers : 1;
// Whether we're artificially preserving layers.
bool mIsPreservingLayers : 1;
// In some circumstances, a DocShell might be in a state where it is
// "blocked", and we should not attempt to change its active state or
// the underlying PresShell state until the DocShell becomes unblocked.
// It is possible, however, for the parent process to send commands to
// change those states while the DocShell is blocked. We store those
// states temporarily as "pending", and only apply them once the DocShell
// is no longer blocked.
bool mPendingDocShellIsActive : 1;
bool mPendingDocShellReceivedMessage : 1;
bool mPendingRenderLayers : 1;
bool mPendingRenderLayersReceivedMessage : 1;
// Holds the compositor options for the compositor rendering this tab,
// once we find out which compositor that is.
Maybe<mozilla::layers::CompositorOptions> mCompositorOptions;
friend class ContentChild;
CSSSize mUnscaledInnerSize;
// Store the end time of the handling of the last repeated keydown/keypress
// event so that in case event handling takes time, some repeated events can
// be skipped to not flood child process.
mozilla::TimeStamp mRepeatedKeyEventTime;
// Similar to mRepeatedKeyEventTime, store the end time (from parent process)
// of handling the last repeated wheel event so that in case event handling
// takes time, some repeated events can be skipped to not flood child process.
mozilla::TimeStamp mLastWheelProcessedTimeFromParent;
mozilla::TimeDuration mLastWheelProcessingDuration;
// Hash table to track coalesced mousemove events for different pointers.
nsClassHashtable<nsUint32HashKey, CoalescedMouseData> mCoalescedMouseData;
nsDeque<CoalescedMouseData> mToBeDispatchedMouseData;
CoalescedWheelData mCoalescedWheelData;
CoalescedTouchData mCoalescedTouchData;
RefPtr<CoalescedMouseMoveFlusher> mCoalescedMouseEventFlusher;
RefPtr<CoalescedTouchMoveFlusher> mCoalescedTouchMoveEventFlusher;
RefPtr<layers::IAPZCTreeManager> mApzcTreeManager;
RefPtr<SessionStoreChild> mSessionStoreChild;
// The most recently seen layer observer epoch in RecvSetDocShellIsActive.
layers::LayersObserverEpoch mLayersObserverEpoch;
#if defined(XP_WIN) && defined(ACCESSIBILITY)
// The handle associated with the native window that contains this tab
uintptr_t mNativeWindowHandle;
#endif // defined(XP_WIN)
#if defined(ACCESSIBILITY)
PDocAccessibleChild* mTopLevelDocAccessibleChild;
#endif
layers::LayersObserverEpoch mPendingLayersObserverEpoch;
// When mPendingDocShellBlockers is greater than 0, the DocShell is blocked,
// and once it reaches 0, it is no longer blocked.
uint32_t mPendingDocShellBlockers;
int32_t mCancelContentJSEpoch;
Maybe<LayoutDeviceToLayoutDeviceMatrix4x4> mChildToParentConversionMatrix;
// When mChildToParentConversionMatrix is Nothing() this value is invalid.
ScreenRect mTopLevelViewportVisibleRectInBrowserCoords;
#ifdef XP_WIN
// Should only be accessed on main thread.
Maybe<bool> mWindowSupportsProtectedMedia;
#endif
// If set, resolve when we receive ChildToParentMatrix.
RefPtr<dom::Promise> mContentTransformPromise;
DISALLOW_EVIL_CONSTRUCTORS(BrowserChild);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_BrowserChild_h
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