src/mojo/services/html_viewer/webmediaplayer_factory.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MOJO_SERVICES_HTML_VIEWER_WEBMEDIAPLAYER_FACTORY_H_
   6 #define MOJO_SERVICES_HTML_VIEWER_WEBMEDIAPLAYER_FACTORY_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/threading/thread.h"
  12 #include "media/audio/fake_audio_log_factory.h"
  13 #include "media/base/audio_hardware_config.h"
  14
  15 namespace base {
  16 class SingleThreadTaskRunner;
  17 }
  18
  19 namespace blink {
  20 class WebMediaPlayer;
  21 class WebLocalFrame;
  22 class WebURL;
  23 class WebMediaPlayerClient;
  24 }
  25
  26 namespace media {
  27 class AudioManager;
  28 class AudioRendererSink;
  29 }
  30
  31 namespace mojo {
  32
  33 // Helper class used to create blink::WebMediaPlayer objects.
  34 // This class stores the "global state" shared across all WebMediaPlayer
  35 // instances.
  36 class WebMediaPlayerFactory {
  37  public:
  38   explicit WebMediaPlayerFactory(const scoped_refptr<
  39       base::SingleThreadTaskRunner>& compositor_task_runner);
  40   ~WebMediaPlayerFactory();
  41
  42   blink::WebMediaPlayer* CreateMediaPlayer(blink::WebLocalFrame* frame,
  43                                            const blink::WebURL& url,
  44                                            blink::WebMediaPlayerClient* client);
  45
  46  private:
  47   const media::AudioHardwareConfig& GetAudioHardwareConfig();
  48   scoped_refptr<media::AudioRendererSink> CreateAudioRendererSink();
  49   scoped_refptr<base::SingleThreadTaskRunner> GetMediaThreadTaskRunner();
  50
  51   scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
  52   base::Thread media_thread_;
  53   media::FakeAudioLogFactory fake_audio_log_factory_;
  54   scoped_ptr<media::AudioManager> audio_manager_;
  55   media::AudioHardwareConfig audio_hardware_config_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerFactory);
  58 };
  59
  60 }  // namespace mojo
  61
  62 #endif  // MOJO_SERVICES_HTML_VIEWER_WEBMEDIAPLAYER_FACTORY_H_