зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
3.5 KiB
C++
88 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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_ChromeProcessController_h
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#define mozilla_layers_ChromeProcessController_h
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#include "mozilla/layers/GeckoContentController.h"
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#include "nsCOMPtr.h"
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#include "mozilla/RefPtr.h"
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class nsIDOMWindowUtils;
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class nsIDocument;
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class nsIPresShell;
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class nsIWidget;
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class MessageLoop;
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namespace mozilla {
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namespace layers {
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class IAPZCTreeManager;
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class APZEventState;
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/**
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* ChromeProcessController is a GeckoContentController attached to the root of
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* a compositor's layer tree. It's used directly by APZ by default, and remoted
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* using PAPZ if there is a gpu process.
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*
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* If ChromeProcessController needs to implement a new method on GeckoContentController
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* PAPZ, APZChild, and RemoteContentController must be updated to handle it.
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*/
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class ChromeProcessController : public mozilla::layers::GeckoContentController
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{
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protected:
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typedef mozilla::layers::FrameMetrics FrameMetrics;
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typedef mozilla::layers::ScrollableLayerGuid ScrollableLayerGuid;
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public:
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explicit ChromeProcessController(nsIWidget* aWidget, APZEventState* aAPZEventState, IAPZCTreeManager* aAPZCTreeManager);
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~ChromeProcessController();
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virtual void Destroy() override;
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// GeckoContentController interface
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virtual void RequestContentRepaint(const FrameMetrics& aFrameMetrics) override;
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virtual void PostDelayedTask(already_AddRefed<Runnable> aTask, int aDelayMs) override;
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virtual bool IsRepaintThread() override;
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virtual void DispatchToRepaintThread(already_AddRefed<Runnable> aTask) override;
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virtual void HandleTap(TapType aType,
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const mozilla::LayoutDevicePoint& 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 NotifyPinchGesture(PinchGestureInput::PinchGestureType aType,
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const ScrollableLayerGuid& aGuid,
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LayoutDeviceCoord aSpanChange,
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Modifiers aModifiers) 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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virtual void NotifyFlushComplete() override;
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virtual void NotifyAsyncScrollbarDragRejected(const FrameMetrics::ViewID& aScrollId) override;
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virtual void NotifyAsyncAutoscrollRejected(const FrameMetrics::ViewID& aScrollId) override;
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virtual void CancelAutoscroll(const ScrollableLayerGuid& aGuid) override;
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private:
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nsCOMPtr<nsIWidget> mWidget;
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RefPtr<APZEventState> mAPZEventState;
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RefPtr<IAPZCTreeManager> mAPZCTreeManager;
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MessageLoop* mUILoop;
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void InitializeRoot();
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nsIPresShell* GetPresShell() const;
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nsIDocument* GetRootDocument() const;
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nsIDocument* GetRootContentDocument(const FrameMetrics::ViewID& aScrollId) const;
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void HandleDoubleTap(const mozilla::CSSPoint& aPoint, Modifiers aModifiers,
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const ScrollableLayerGuid& aGuid);
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};
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} // namespace layers
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} // namespace mozilla
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#endif /* mozilla_layers_ChromeProcessController_h */
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