VsyncBridgeChild.h

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/* -*- 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 include_gfx_ipc_VsyncBridgeChild_h

#define include_gfx_ipc_VsyncBridgeChild_h

#include "mozilla/RefPtr.h"

#include "mozilla/gfx/PVsyncBridgeChild.h"

namespace mozilla {

namespace gfx {

class VsyncIOThreadHolder;

class VsyncBridgeChild final : public PVsyncBridgeChild {

  friend class NotifyVsyncTask;

 public:

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VsyncBridgeChild, final)

  static RefPtr<VsyncBridgeChild> Create(

      RefPtr<VsyncIOThreadHolder> aThread, const uint64_t& aProcessToken,

      Endpoint<PVsyncBridgeChild>&& aEndpoint);

  void Close();

  void ActorDestroy(ActorDestroyReason aWhy) override;

  void ProcessingError(Result aCode, const char* aReason) override;

  void NotifyVsync(const VsyncEvent& aVsync, const layers::LayersId& aLayersId);

  void HandleFatalError(const char* aMsg) override;

 private:

  VsyncBridgeChild(RefPtr<VsyncIOThreadHolder>, const uint64_t& aProcessToken);

  virtual ~VsyncBridgeChild();

  void Open(Endpoint<PVsyncBridgeChild>&& aEndpoint);

  void NotifyVsyncImpl(const VsyncEvent& aVsync,

                       const layers::LayersId& aLayersId);

  bool IsOnVsyncIOThread() const;

 private:

  RefPtr<VsyncIOThreadHolder> mThread;

  uint64_t mProcessToken;

};

}  // namespace gfx

}  // namespace mozilla

#endif  // include_gfx_ipc_VsyncBridgeChild_h