tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

ChromeProcessController.h (4295B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_layers_ChromeProcessController_h
      8 #define mozilla_layers_ChromeProcessController_h
      9 
     10 #include "mozilla/layers/GeckoContentController.h"
     11 #include "nsCOMPtr.h"
     12 #include "mozilla/RefPtr.h"
     13 #include "mozilla/layers/MatrixMessage.h"
     14 
     15 class nsIDOMWindowUtils;
     16 class nsISerialEventTarget;
     17 class nsIWidget;
     18 
     19 namespace mozilla {
     20 class PresShell;
     21 namespace dom {
     22 class Document;
     23 }
     24 
     25 namespace layers {
     26 
     27 class IAPZCTreeManager;
     28 class APZEventState;
     29 struct DoubleTapToZoomMetrics;
     30 
     31 /**
     32 * ChromeProcessController is a GeckoContentController attached to the root of
     33 * a compositor's layer tree. It's used directly by APZ by default, and remoted
     34 * using PAPZ if there is a gpu process.
     35 *
     36 * If ChromeProcessController needs to implement a new method on
     37 * GeckoContentController PAPZ, APZChild, and RemoteContentController must be
     38 * updated to handle it.
     39 */
     40 class ChromeProcessController : public mozilla::layers::GeckoContentController {
     41 protected:
     42  typedef mozilla::layers::FrameMetrics FrameMetrics;
     43  typedef mozilla::layers::ScrollableLayerGuid ScrollableLayerGuid;
     44 
     45 public:
     46  explicit ChromeProcessController(nsIWidget* aWidget,
     47                                   APZEventState* aAPZEventState,
     48                                   IAPZCTreeManager* aAPZCTreeManager);
     49  virtual ~ChromeProcessController();
     50  void Destroy() override;
     51 
     52  // GeckoContentController interface
     53  void NotifyLayerTransforms(nsTArray<MatrixMessage>&& aTransforms) override;
     54  void RequestContentRepaint(const RepaintRequest& aRequest) override;
     55  bool IsRepaintThread() override;
     56  void DispatchToRepaintThread(already_AddRefed<Runnable> aTask) override;
     57  MOZ_CAN_RUN_SCRIPT
     58  void HandleTap(
     59      TapType aType, const mozilla::LayoutDevicePoint& aPoint,
     60      Modifiers aModifiers, const ScrollableLayerGuid& aGuid,
     61      uint64_t aInputBlockId,
     62      const Maybe<DoubleTapToZoomMetrics>& aDoubleTapToZoomMetrics) override;
     63  void NotifyPinchGesture(PinchGestureInput::PinchGestureType aType,
     64                          const ScrollableLayerGuid& aGuid,
     65                          const LayoutDevicePoint& aFocusPoint,
     66                          LayoutDeviceCoord aSpanChange,
     67                          Modifiers aModifiers) override;
     68  void NotifyAPZStateChange(const ScrollableLayerGuid& aGuid,
     69                            APZStateChange aChange, int aArg,
     70                            Maybe<uint64_t> aInputBlockId) override;
     71  void NotifyMozMouseScrollEvent(const ScrollableLayerGuid::ViewID& aScrollId,
     72                                 const nsString& aEvent) override;
     73  void NotifyFlushComplete() override;
     74  void NotifyAsyncScrollbarDragInitiated(
     75      uint64_t aDragBlockId, const ScrollableLayerGuid::ViewID& aScrollId,
     76      ScrollDirection aDirection) override;
     77  void NotifyAsyncScrollbarDragRejected(
     78      const ScrollableLayerGuid::ViewID& aScrollId) override;
     79  void NotifyAsyncAutoscrollRejected(
     80      const ScrollableLayerGuid::ViewID& aScrollId) override;
     81  void CancelAutoscroll(const ScrollableLayerGuid& aGuid) override;
     82  void NotifyScaleGestureComplete(const ScrollableLayerGuid& aGuid,
     83                                  float aScale) override;
     84 
     85  PresShell* GetTopLevelPresShell() const override { return GetPresShell(); }
     86 
     87 private:
     88  nsCOMPtr<nsIWidget> mWidget;
     89  RefPtr<APZEventState> mAPZEventState;
     90  RefPtr<IAPZCTreeManager> mAPZCTreeManager;
     91  nsCOMPtr<nsISerialEventTarget> mUIThread;
     92 
     93  void InitializeRoot();
     94  PresShell* GetPresShell() const;
     95  dom::Document* GetRootDocument() const;
     96  dom::Document* GetRootContentDocument(
     97      const ScrollableLayerGuid::ViewID& aScrollId) const;
     98  void HandleDoubleTap(const mozilla::CSSPoint& aPoint, Modifiers aModifiers,
     99                       const ScrollableLayerGuid& aGuid,
    100                       const DoubleTapToZoomMetrics& aDoubleTapToZoomMetrics);
    101  nsIFrame* GetWidgetFrame() const;
    102 };
    103 
    104 }  // namespace layers
    105 }  // namespace mozilla
    106 
    107 #endif /* mozilla_layers_ChromeProcessController_h */