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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 */
#ifndef mozilla_layers_ChromeProcessController_h
#define mozilla_layers_ChromeProcessController_h
#include "mozilla/layers/GeckoContentController.h"
#include "nsCOMPtr.h"
#include "mozilla/RefPtr.h"
#include "mozilla/layers/MatrixMessage.h"
class nsIDOMWindowUtils;
class nsISerialEventTarget;
class nsIWidget;
namespace mozilla {
class PresShell;
namespace dom {
class Document;
namespace layers {
class IAPZCTreeManager;
class APZEventState;
struct DoubleTapToZoomMetrics;
* 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 {
typedef mozilla::layers::FrameMetrics FrameMetrics;
typedef mozilla::layers::ScrollableLayerGuid ScrollableLayerGuid;
explicit ChromeProcessController(nsIWidget* aWidget,
APZEventState* aAPZEventState,
IAPZCTreeManager* aAPZCTreeManager);
virtual ~ChromeProcessController();
void Destroy() override;
// GeckoContentController interface
void NotifyLayerTransforms(nsTArray<MatrixMessage>&& aTransforms) override;
void RequestContentRepaint(const RepaintRequest& aRequest) override;
bool IsRepaintThread() override;
void DispatchToRepaintThread(already_AddRefed<Runnable> aTask) override;
void HandleTap(
TapType aType, const mozilla::LayoutDevicePoint& aPoint,
Modifiers aModifiers, const ScrollableLayerGuid& aGuid,
uint64_t aInputBlockId,
const Maybe<DoubleTapToZoomMetrics>& aDoubleTapToZoomMetrics) override;
void NotifyPinchGesture(PinchGestureInput::PinchGestureType aType,
const ScrollableLayerGuid& aGuid,
const LayoutDevicePoint& aFocusPoint,
LayoutDeviceCoord aSpanChange,
Modifiers aModifiers) override;
void NotifyAPZStateChange(const ScrollableLayerGuid& aGuid,
APZStateChange aChange, int aArg,
Maybe<uint64_t> aInputBlockId) override;
void NotifyMozMouseScrollEvent(const ScrollableLayerGuid::ViewID& aScrollId,
const nsString& aEvent) override;
void NotifyFlushComplete() override;
void NotifyAsyncScrollbarDragInitiated(
uint64_t aDragBlockId, const ScrollableLayerGuid::ViewID& aScrollId,
ScrollDirection aDirection) override;
void NotifyAsyncScrollbarDragRejected(
const ScrollableLayerGuid::ViewID& aScrollId) override;
void NotifyAsyncAutoscrollRejected(
const ScrollableLayerGuid::ViewID& aScrollId) override;
void CancelAutoscroll(const ScrollableLayerGuid& aGuid) override;
void NotifyScaleGestureComplete(const ScrollableLayerGuid& aGuid,
float aScale) override;
PresShell* GetTopLevelPresShell() const override { return GetPresShell(); }
nsCOMPtr<nsIWidget> mWidget;
RefPtr<APZEventState> mAPZEventState;
RefPtr<IAPZCTreeManager> mAPZCTreeManager;
nsCOMPtr<nsISerialEventTarget> mUIThread;
void InitializeRoot();
PresShell* GetPresShell() const;
dom::Document* GetRootDocument() const;
dom::Document* GetRootContentDocument(
const ScrollableLayerGuid::ViewID& aScrollId) const;
void HandleDoubleTap(const mozilla::CSSPoint& aPoint, Modifiers aModifiers,
const ScrollableLayerGuid& aGuid,
const DoubleTapToZoomMetrics& aDoubleTapToZoomMetrics);
} // namespace layers
} // namespace mozilla
#endif /* mozilla_layers_ChromeProcessController_h */