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tubestation/gfx/layers/apz/util/ChromeProcessController.h

72 lines
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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 "nsRefPtr.h"
class nsIDOMWindowUtils;
class nsIPresShell;
class nsIWidget;
class MessageLoop;
namespace mozilla {
namespace layers {
class APZEventState;
class CompositorParent;
// A ChromeProcessController is attached to the root of a compositor's layer
// tree.
class ChromeProcessController : public mozilla::layers::GeckoContentController
{
typedef mozilla::layers::FrameMetrics FrameMetrics;
typedef mozilla::layers::ScrollableLayerGuid ScrollableLayerGuid;
public:
explicit ChromeProcessController(nsIWidget* aWidget, APZEventState* aAPZEventState);
virtual void Destroy() MOZ_OVERRIDE;
// GeckoContentController interface
virtual void RequestContentRepaint(const FrameMetrics& aFrameMetrics) MOZ_OVERRIDE;
virtual void PostDelayedTask(Task* aTask, int aDelayMs) MOZ_OVERRIDE;
virtual void AcknowledgeScrollUpdate(const FrameMetrics::ViewID& aScrollId,
const uint32_t& aScrollGeneration) MOZ_OVERRIDE;
virtual void HandleDoubleTap(const mozilla::CSSPoint& aPoint, int32_t aModifiers,
const ScrollableLayerGuid& aGuid) MOZ_OVERRIDE {}
virtual void HandleSingleTap(const mozilla::CSSPoint& aPoint, int32_t aModifiers,
const ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
virtual void HandleLongTap(const mozilla::CSSPoint& aPoint, int32_t aModifiers,
const ScrollableLayerGuid& aGuid,
uint64_t aInputBlockId) MOZ_OVERRIDE;
virtual void HandleLongTapUp(const CSSPoint& aPoint, int32_t aModifiers,
const ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
virtual void SendAsyncScrollDOMEvent(bool aIsRoot, const mozilla::CSSRect &aContentRect,
const mozilla::CSSSize &aScrollableSize) MOZ_OVERRIDE {}
virtual void NotifyAPZStateChange(const ScrollableLayerGuid& aGuid,
APZStateChange aChange,
int aArg) MOZ_OVERRIDE;
private:
nsCOMPtr<nsIWidget> mWidget;
nsRefPtr<APZEventState> mAPZEventState;
MessageLoop* mUILoop;
void InitializeRoot();
float GetPresShellResolution() const;
nsIPresShell* GetPresShell() const;
already_AddRefed<nsIDOMWindowUtils> GetDOMWindowUtils() const;
};
} // namespace layers
} // namespace mozilla
#endif /* mozilla_layers_ChromeProcessController_h */