widget/windows/CompositorWidgetChild.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   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 widget_windows_CompositorWidgetChild_h
   7 #define widget_windows_CompositorWidgetChild_h
   8
   9 #include "WinCompositorWidget.h"
  10 #include "mozilla/widget/PCompositorWidgetChild.h"
  11 #include "mozilla/widget/CompositorWidgetVsyncObserver.h"
  12
  13 namespace mozilla {
  14 class CompositorVsyncDispatcher;
  15
  16 namespace widget {
  17
  18 namespace remote_backbuffer {
  19 class Provider;
  20 }
  21
  22 class CompositorWidgetChild final : public PCompositorWidgetChild,
  23                                     public PlatformCompositorWidgetDelegate {
  24  public:
  25   CompositorWidgetChild(RefPtr<CompositorVsyncDispatcher> aVsyncDispatcher,
  26                         RefPtr<CompositorWidgetVsyncObserver> aVsyncObserver,
  27                         const CompositorWidgetInitData& aInitData);
  28   ~CompositorWidgetChild() override;
  29
  30   bool Initialize();
  31
  32   void EnterPresentLock() override;
  33   void LeavePresentLock() override;
  34   void OnDestroyWindow() override;
  35   bool OnWindowResize(const LayoutDeviceIntSize& aSize) override;
  36   void NotifyVisibilityUpdated(bool aIsFullyOccluded) override;
  37
  38   void UpdateTransparency(TransparencyMode) override;
  39   void ClearTransparentWindow() override;
  40
  41   mozilla::ipc::IPCResult RecvObserveVsync() override;
  42   mozilla::ipc::IPCResult RecvUnobserveVsync() override;
  43   mozilla::ipc::IPCResult RecvUpdateCompositorWnd(
  44       const WindowsHandle& aCompositorWnd, const WindowsHandle& aParentWnd,
  45       UpdateCompositorWndResolver&& aResolve) override;
  46
  47  private:
  48   RefPtr<CompositorVsyncDispatcher> mVsyncDispatcher;
  49   RefPtr<CompositorWidgetVsyncObserver> mVsyncObserver;
  50   HWND mCompositorWnd;
  51
  52   HWND mWnd;
  53
  54   std::unique_ptr<remote_backbuffer::Provider> mRemoteBackbufferProvider;
  55 };
  56
  57 }  // namespace widget
  58 }  // namespace mozilla
  59
  60 #endif  // widget_windows_CompositorWidgetChild_h