widget/android/AndroidCompositorWidget.h

   1 /* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_widget_AndroidCompositorWidget_h
   7 #define mozilla_widget_AndroidCompositorWidget_h
   8
   9 #include "CompositorWidget.h"
  10 #include "AndroidNativeWindow.h"
  11 #include "GLDefs.h"
  12
  13 namespace mozilla {
  14 namespace widget {
  15
  16 class PlatformCompositorWidgetDelegate : public CompositorWidgetDelegate {
  17  public:
  18   virtual void NotifyClientSizeChanged(
  19       const LayoutDeviceIntSize& aClientSize) = 0;
  20
  21   // CompositorWidgetDelegate Overrides
  22   PlatformCompositorWidgetDelegate* AsPlatformSpecificDelegate() override {
  23     return this;
  24   }
  25 };
  26
  27 class AndroidCompositorWidgetInitData;
  28
  29 class AndroidCompositorWidget : public CompositorWidget {
  30  public:
  31   AndroidCompositorWidget(const AndroidCompositorWidgetInitData& aInitData,
  32                           const layers::CompositorOptions& aOptions);
  33   ~AndroidCompositorWidget() override;
  34
  35   EGLNativeWindowType GetEGLNativeWindow();
  36
  37   // CompositorWidget overrides
  38
  39   already_AddRefed<gfx::DrawTarget> StartRemoteDrawingInRegion(
  40       const LayoutDeviceIntRegion& aInvalidRegion,
  41       layers::BufferMode* aBufferMode) override;
  42   void EndRemoteDrawingInRegion(
  43       gfx::DrawTarget* aDrawTarget,
  44       const LayoutDeviceIntRegion& aInvalidRegion) override;
  45
  46   bool OnResumeComposition() override;
  47
  48   AndroidCompositorWidget* AsAndroid() override { return this; }
  49
  50   LayoutDeviceIntSize GetClientSize() override;
  51   void NotifyClientSizeChanged(const LayoutDeviceIntSize& aClientSize);
  52
  53  protected:
  54   int32_t mWidgetId;
  55   java::sdk::Surface::GlobalRef mSurface;
  56   ANativeWindow* mNativeWindow;
  57   ANativeWindow_Buffer mBuffer;
  58   int32_t mFormat;
  59   LayoutDeviceIntSize mClientSize;
  60
  61  private:
  62   // Called whenever the compositor surface may have changed. The derived class
  63   // should update mSurface to the new compositor surface.
  64   virtual void OnCompositorSurfaceChanged() = 0;
  65 };
  66
  67 }  // namespace widget
  68 }  // namespace mozilla
  69
  70 #endif  // mozilla_widget_AndroidCompositorWidget_h