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 class Shell;
  34
  35 // Helper class used to create blink::WebMediaPlayer objects.
  36 // This class stores the "global state" shared across all WebMediaPlayer
  37 // instances.
  38 class WebMediaPlayerFactory {
  39  public:
  40   explicit WebMediaPlayerFactory(const scoped_refptr<
  41       base::SingleThreadTaskRunner>& compositor_task_runner,
  42       bool enable_mojo_media_renderer);
  43   ~WebMediaPlayerFactory();
  44
  45   blink::WebMediaPlayer* CreateMediaPlayer(
  46       blink::WebLocalFrame* frame,
  47       const blink::WebURL& url,
  48       blink::WebMediaPlayerClient* client,
  49       Shell* shell);
  50
  51  private:
  52   const media::AudioHardwareConfig& GetAudioHardwareConfig();
  53   scoped_refptr<media::AudioRendererSink> CreateAudioRendererSink();
  54   scoped_refptr<base::SingleThreadTaskRunner> GetMediaThreadTaskRunner();
  55
  56   scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
  57   const bool enable_mojo_media_renderer_;
  58   base::Thread media_thread_;
  59   media::FakeAudioLogFactory fake_audio_log_factory_;
  60   scoped_ptr<media::AudioManager> audio_manager_;
  61   media::AudioHardwareConfig audio_hardware_config_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerFactory);
  64 };
  65
  66 }  // namespace mojo
  67
  68 #endif  // MOJO_SERVICES_HTML_VIEWER_WEBMEDIAPLAYER_FACTORY_H_