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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_layers_ChromeProcessController_h
#define mozilla_layers_ChromeProcessController_h
#include "mozilla/layers/GeckoContentController.h"
#include "nsCOMPtr.h"
#include "mozilla/RefPtr.h"
class nsIDOMWindowUtils;
class nsIDocument;
class nsIPresShell;
class nsIWidget;
class MessageLoop;
namespace mozilla {
namespace layers {
class IAPZCTreeManager;
class APZEventState;
/**
* ChromeProcessController is a GeckoContentController attached to the root of
* a compositor's layer tree. It's used directly by APZ by default, and remoted
* using PAPZ if there is a gpu process.
*
* If ChromeProcessController needs to implement a new method on GeckoContentController
* PAPZ, APZChild, and RemoteContentController must be updated to handle it.
*/
class ChromeProcessController : public mozilla::layers::GeckoContentController
{
protected:
typedef mozilla::layers::FrameMetrics FrameMetrics;
typedef mozilla::layers::ScrollableLayerGuid ScrollableLayerGuid;
public:
explicit ChromeProcessController(nsIWidget* aWidget, APZEventState* aAPZEventState, IAPZCTreeManager* aAPZCTreeManager);
~ChromeProcessController();
virtual void Destroy() override;
// GeckoContentController interface
virtual void RequestContentRepaint(const FrameMetrics& aFrameMetrics) override;
virtual void PostDelayedTask(already_AddRefed<Runnable> aTask, int aDelayMs) override;
virtual bool IsRepaintThread() override;
virtual void DispatchToRepaintThread(already_AddRefed<Runnable> aTask) override;
virtual void HandleTap(TapType aType,
const mozilla::LayoutDevicePoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid& aGuid,
uint64_t aInputBlockId) override;
virtual void NotifyPinchGesture(PinchGestureInput::PinchGestureType aType,
const ScrollableLayerGuid& aGuid,
LayoutDeviceCoord aSpanChange,
Modifiers aModifiers) override;
virtual void NotifyAPZStateChange(const ScrollableLayerGuid& aGuid,
APZStateChange aChange,
int aArg) override;
virtual void NotifyMozMouseScrollEvent(const FrameMetrics::ViewID& aScrollId,
const nsString& aEvent) override;
virtual void NotifyFlushComplete() override;
private:
nsCOMPtr<nsIWidget> mWidget;
RefPtr<APZEventState> mAPZEventState;
RefPtr<IAPZCTreeManager> mAPZCTreeManager;
MessageLoop* mUILoop;
void InitializeRoot();
nsIPresShell* GetPresShell() const;
nsIDocument* GetRootDocument() const;
nsIDocument* GetRootContentDocument(const FrameMetrics::ViewID& aScrollId) const;
void HandleDoubleTap(const mozilla::CSSPoint& aPoint, Modifiers aModifiers,
const ScrollableLayerGuid& aGuid);
};
} // namespace layers
} // namespace mozilla
#endif /* mozilla_layers_ChromeProcessController_h */
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