/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 mozilla_gfx_ipc_CompositorWidgetVsyncObserver_h
#define mozilla_gfx_ipc_CompositorWidgetVsyncObserver_h

#include "mozilla/layers/LayersTypes.h"
#include "mozilla/VsyncDispatcher.h"

namespace mozilla {
namespace gfx {
class VsyncBridgeChild;
}  // namespace gfx

namespace widget {

class CompositorWidgetVsyncObserver : public VsyncObserver {
  typedef gfx::VsyncBridgeChild VsyncBridgeChild;

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CompositorWidgetVsyncObserver, override)

 public:
  CompositorWidgetVsyncObserver(RefPtr<VsyncBridgeChild> aVsyncBridge,
                                const layers::LayersId& aRootLayerTreeId);

  void NotifyVsync(const VsyncEvent& aVsync) override;

 private:
  ~CompositorWidgetVsyncObserver() override;

  RefPtr<VsyncBridgeChild> mVsyncBridge;
  layers::LayersId mRootLayerTreeId;
};

}  // namespace widget
}  // namespace mozilla

#endif  // mozilla_gfx_ipc_CompositorWidgetVsyncObserver_h