Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set sw=4 ts=8 et 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_ContentProcessController_h
       8             : #define mozilla_layers_ContentProcessController_h
       9             : 
      10             : #include "mozilla/layers/GeckoContentController.h"
      11             : 
      12             : class nsIObserver;
      13             : 
      14             : namespace mozilla {
      15             : 
      16             : namespace dom {
      17             : class TabChild;
      18             : } // namespace dom
      19             : 
      20             : namespace layers {
      21             : 
      22             : class APZChild;
      23             : 
      24             : /**
      25             :  * ContentProcessController is a GeckoContentController for a TabChild, and is always
      26             :  * remoted using PAPZ/APZChild.
      27             :  *
      28             :  * ContentProcessController is created in ContentChild when a layer tree id has
      29             :  * been allocated for a PBrowser that lives in that content process, and is destroyed
      30             :  * when the Destroy message is received, or when the tab dies.
      31             :  *
      32             :  * If ContentProcessController needs to implement a new method on GeckoContentController
      33             :  * PAPZ, APZChild, and RemoteContentController must be updated to handle it.
      34             :  */
      35           0 : class ContentProcessController final
      36             :       : public GeckoContentController
      37             : {
      38             : public:
      39             :   explicit ContentProcessController(const RefPtr<dom::TabChild>& aBrowser);
      40             : 
      41             :   // GeckoContentController
      42             : 
      43             :   void RequestContentRepaint(const FrameMetrics& frame) override;
      44             : 
      45             :   void HandleTap(TapType aType,
      46             :                  const LayoutDevicePoint& aPoint,
      47             :                  Modifiers aModifiers,
      48             :                  const ScrollableLayerGuid& aGuid,
      49             :                  uint64_t aInputBlockId) override;
      50             : 
      51             :   void NotifyPinchGesture(PinchGestureInput::PinchGestureType aType,
      52             :                           const ScrollableLayerGuid& aGuid,
      53             :                           LayoutDeviceCoord aSpanChange,
      54             :                           Modifiers aModifiers) override;
      55             : 
      56             :   void NotifyAPZStateChange(const ScrollableLayerGuid& aGuid,
      57             :                             APZStateChange aChange,
      58             :                             int aArg) override;
      59             : 
      60             :   void NotifyMozMouseScrollEvent(const FrameMetrics::ViewID& aScrollId,
      61             :                                  const nsString& aEvent) override;
      62             : 
      63             :   void NotifyFlushComplete() override;
      64             : 
      65             :   void NotifyAsyncScrollbarDragRejected(const FrameMetrics::ViewID& aScrollId) override;
      66             : 
      67             :   void PostDelayedTask(already_AddRefed<Runnable> aRunnable, int aDelayMs) override;
      68             : 
      69             :   bool IsRepaintThread() override;
      70             : 
      71             :   void DispatchToRepaintThread(already_AddRefed<Runnable> aTask) override;
      72             : 
      73             : private:
      74             :   RefPtr<dom::TabChild> mBrowser;
      75             : };
      76             : 
      77             : } // namespace layers
      78             : 
      79             : } // namespace mozilla
      80             : 
      81             : #endif // mozilla_layers_ContentProcessController_h