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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_
63