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Minimal test - lines (14, 14)

Code

class nsIWidget;

Minimal test - lines (17, 100)

Code

namespace mozilla {
namespace widget {

class PlatformCompositorWidgetDelegate : public CompositorWidgetDelegate {
 public:
  virtual void NotifyClientSizeChanged(
      const LayoutDeviceIntSize& aClientSize) = 0;

  // CompositorWidgetDelegate Overrides

  PlatformCompositorWidgetDelegate* AsPlatformSpecificDelegate() override {
    return this;
  }
};

class GtkCompositorWidgetInitData;

class GtkCompositorWidget : public CompositorWidget,
                            public PlatformCompositorWidgetDelegate {
 public:
  GtkCompositorWidget(const GtkCompositorWidgetInitData& aInitData,
                      const layers::CompositorOptions& aOptions,
                      nsWindow* aWindow /* = nullptr*/);
  ~GtkCompositorWidget();

  // CompositorWidget Overrides

  already_AddRefed StartRemoteDrawing() override;
  void EndRemoteDrawing() override;

  already_AddRefed StartRemoteDrawingInRegion(
      const LayoutDeviceIntRegion& aInvalidRegion,
      layers::BufferMode* aBufferMode) override;
  void EndRemoteDrawingInRegion(
      gfx::DrawTarget* aDrawTarget,
      const LayoutDeviceIntRegion& aInvalidRegion) override;
  uintptr_t GetWidgetKey() override;

  LayoutDeviceIntSize GetClientSize() override;

  nsIWidget* RealWidget() override;
  GtkCompositorWidget* AsX11() override { return this; }
  CompositorWidgetDelegate* AsDelegate() override { return this; }

  EGLNativeWindowType GetEGLNativeWindow();
  int32_t GetDepth();

  LayoutDeviceIntRegion GetTransparentRegion() override;

#if defined(MOZ_X11)
  Display* XDisplay() const { return mXDisplay; }
  Window XWindow() const { return mXWindow; }
#endif
#if defined(MOZ_WAYLAND)
  void SetEGLNativeWindowSize(const LayoutDeviceIntSize& aEGLWindowSize);
#endif

  // PlatformCompositorWidgetDelegate Overrides

  void NotifyClientSizeChanged(const LayoutDeviceIntSize& aClientSize) override;

 protected:
  nsWindow* mWidget;

 private:
  // This field is written to on the main thread and read from on the compositor
  // or renderer thread. During window resizing, this is subject to a (largely
  // benign) read/write race, see bug 1665726. The DataMutex doesn't prevent the
  // read/write race, but it does make it Not Undefined Behaviour, and also
  // ensures we only ever use the old or new size, and not some weird synthesis
  // of the two.
  DataMutex mClientSize;

  WindowSurfaceProvider mProvider;

#if defined(MOZ_X11)
  Display* mXDisplay = {};
  Window mXWindow = {};
#endif
  int32_t mDepth = {};
};

}  // namespace widget
}  // namespace mozilla

Minimal test - lines (15, 15)

Code

class nsWindow;