зеркало из https://github.com/mozilla/gecko-dev.git
131 строка
4.6 KiB
C++
131 строка
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_layers_RemoteContentController_h
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#define mozilla_layers_RemoteContentController_h
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#include "mozilla/layers/GeckoContentController.h"
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#include "mozilla/layers/PAPZParent.h"
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namespace mozilla {
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namespace dom {
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class TabParent;
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}
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namespace layers {
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class APZCTreeManager;
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/**
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* RemoteContentController uses the PAPZ protocol to implement a
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* GeckoContentController for a browser living in a remote process.
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* Most of the member functions can be called on any thread, exceptions are
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* annotated in comments. The PAPZ protocol runs on the main thread (so all the
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* Recv* member functions do too).
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*/
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class RemoteContentController : public GeckoContentController
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, public PAPZParent
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{
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using GeckoContentController::APZStateChange;
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public:
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explicit RemoteContentController(uint64_t aLayersId,
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dom::TabParent* aBrowserParent);
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virtual ~RemoteContentController();
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// Needs to be called on the main thread.
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virtual void RequestContentRepaint(const FrameMetrics& aFrameMetrics) override;
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virtual void RequestFlingSnap(const FrameMetrics::ViewID& aScrollId,
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const mozilla::CSSPoint& aDestination) override;
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virtual void AcknowledgeScrollUpdate(const FrameMetrics::ViewID& aScrollId,
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const uint32_t& aScrollGeneration) override;
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virtual void HandleDoubleTap(const CSSPoint& aPoint,
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Modifiers aModifiers,
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const ScrollableLayerGuid& aGuid) override;
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virtual void HandleSingleTap(const CSSPoint& aPoint,
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Modifiers aModifiers,
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const ScrollableLayerGuid& aGuid) override;
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virtual void HandleLongTap(const CSSPoint& aPoint,
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Modifiers aModifiers,
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const ScrollableLayerGuid& aGuid,
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uint64_t aInputBlockId) override;
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virtual void PostDelayedTask(Task* aTask, int aDelayMs) override;
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virtual bool GetTouchSensitiveRegion(CSSRect* aOutRegion) override;
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virtual void NotifyAPZStateChange(const ScrollableLayerGuid& aGuid,
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APZStateChange aChange,
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int aArg) override;
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virtual void NotifyMozMouseScrollEvent(const FrameMetrics::ViewID& aScrollId,
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const nsString& aEvent) override;
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// Needs to be called on the main thread.
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virtual void NotifyFlushComplete() override;
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virtual bool RecvUpdateHitRegion(const nsRegion& aRegion) override;
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virtual bool RecvZoomToRect(const uint32_t& aPresShellId,
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const ViewID& aViewId,
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const CSSRect& aRect,
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const uint32_t& aFlags) override;
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virtual bool RecvContentReceivedInputBlock(const ScrollableLayerGuid& aGuid,
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const uint64_t& aInputBlockId,
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const bool& aPreventDefault) override;
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virtual bool RecvStartScrollbarDrag(const AsyncDragMetrics& aDragMetrics) override;
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virtual bool RecvSetTargetAPZC(const uint64_t& aInputBlockId,
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nsTArray<ScrollableLayerGuid>&& aTargets) override;
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virtual bool RecvSetAllowedTouchBehavior(const uint64_t& aInputBlockId,
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nsTArray<TouchBehaviorFlags>&& aFlags) override;
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virtual bool RecvUpdateZoomConstraints(const uint32_t& aPresShellId,
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const ViewID& aViewId,
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const MaybeZoomConstraints& aConstraints) override;
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virtual void ActorDestroy(ActorDestroyReason aWhy) override;
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virtual void Destroy() override;
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virtual void ChildAdopted() override;
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private:
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bool CanSend()
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{
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MOZ_ASSERT(NS_IsMainThread());
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return !!mBrowserParent;
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}
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already_AddRefed<APZCTreeManager> GetApzcTreeManager();
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MessageLoop* mUILoop;
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uint64_t mLayersId;
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RefPtr<dom::TabParent> mBrowserParent;
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// Mutex protecting members below accessed from multiple threads.
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mozilla::Mutex mMutex;
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RefPtr<APZCTreeManager> mApzcTreeManager;
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nsRegion mTouchSensitiveRegion;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // mozilla_layers_RemoteContentController_h
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