InProcessWinCompositorWidget.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef widget_windows_InProcessWinCompositorWidget_h
#define widget_windows_InProcessWinCompositorWidget_h

#include "WinCompositorWidget.h"

class nsWindow;

namespace mozilla {
namespace widget {

// This is the Windows-specific implementation of CompositorWidget. For
// the most part it only requires an HWND, however it maintains extra state
// for transparent windows, as well as for synchronizing WM_SETTEXT messages
// with the compositor.
class InProcessWinCompositorWidget final : public WinCompositorWidget {
 public:
  InProcessWinCompositorWidget(const WinCompositorWidgetInitData& aInitData,
                               const layers::CompositorOptions& aOptions,
                               nsWindow* aWindow);

  void OnDestroyWindow() override;
  void UpdateTransparency(nsTransparencyMode aMode) override;
  void ClearTransparentWindow() override;

  void ObserveVsync(VsyncObserver* aObserver) override;
  nsIWidget* RealWidget() override;

 private:
  nsWindow* mWindow;
};

}  // namespace widget
}  // namespace mozilla

#endif  // widget_windows_InProcessWinCompositorWidget_h