content/browser/android/in_process_surface_texture_manager.h

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_ANDROID_IN_PROCESS_SURFACE_TEXTURE_MANAGER_H_
#define CONTENT_BROWSER_ANDROID_IN_PROCESS_SURFACE_TEXTURE_MANAGER_H_

#include "content/common/android/surface_texture_manager.h"

#include "base/containers/scoped_ptr_hash_map.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/singleton.h"
#include "base/synchronization/lock.h"
#include "content/common/android/surface_texture_peer.h"
#include "content/common/content_export.h"
#include "ui/gl/android/scoped_java_surface.h"

namespace content {

class CONTENT_EXPORT InProcessSurfaceTextureManager
    : public SurfaceTextureManager,
      public SurfaceTexturePeer {
 public:
  static InProcessSurfaceTextureManager* GetInstance();

  // Overridden from SurfaceTextureManager:
  void RegisterSurfaceTexture(int surface_texture_id,
                              int client_id,
                              gfx::SurfaceTexture* surface_texture) override;
  void UnregisterSurfaceTexture(int surface_texture_id, int client_id) override;
  gfx::AcceleratedWidget AcquireNativeWidgetForSurfaceTexture(
      int surface_texture_id) override;

  // Overridden from SurfaceTexturePeer:
  void EstablishSurfaceTexturePeer(
      base::ProcessHandle render_process_handle,
      scoped_refptr<gfx::SurfaceTexture> surface_texture,
      int render_frame_id,
      int player_id) override;

 private:
  friend struct base::DefaultSingletonTraits<InProcessSurfaceTextureManager>;

  InProcessSurfaceTextureManager();
  ~InProcessSurfaceTextureManager() override;

  using SurfaceTextureMap =
      base::ScopedPtrHashMap<int, scoped_ptr<gfx::ScopedJavaSurface>>;
  SurfaceTextureMap surface_textures_;
  base::Lock lock_;

  DISALLOW_COPY_AND_ASSIGN(InProcessSurfaceTextureManager);
};

}  // namespace content

#endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SURFACE_TEXTURE_MANAGER_H_