components/html_viewer/media_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 COMPONENTS_HTML_VIEWER_MEDIA_FACTORY_H_
   6 #define COMPONENTS_HTML_VIEWER_MEDIA_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 #include "media/mojo/interfaces/service_factory.mojom.h"
  15 #include "mojo/application/public/interfaces/service_provider.mojom.h"
  16
  17 namespace base {
  18 class SingleThreadTaskRunner;
  19 }
  20
  21 namespace blink {
  22 class WebContentDecryptionModule;
  23 class WebEncryptedMediaClient;
  24 class WebMediaPlayer;
  25 class WebLocalFrame;
  26 class WebURL;
  27 class WebMediaPlayerClient;
  28 class WebMediaPlayerEncryptedMediaClient;
  29 }
  30
  31 namespace media {
  32 class AudioManager;
  33 class AudioRendererSink;
  34 class CdmFactory;
  35 class MediaPermission;
  36 class WebEncryptedMediaClientImpl;
  37 }
  38
  39 namespace mojo {
  40 class ServiceProvider;
  41 class Shell;
  42 }
  43
  44 namespace html_viewer {
  45
  46 // Helper class used to create blink::WebMediaPlayer objects.
  47 // This class stores the "global state" shared across all WebMediaPlayer
  48 // instances.
  49 class MediaFactory {
  50  public:
  51   MediaFactory(
  52       const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
  53       mojo::Shell* shell);
  54   ~MediaFactory();
  55
  56   blink::WebMediaPlayer* CreateMediaPlayer(
  57       blink::WebLocalFrame* frame,
  58       const blink::WebURL& url,
  59       blink::WebMediaPlayerClient* client,
  60       blink::WebMediaPlayerEncryptedMediaClient* encrypted_client,
  61       blink::WebContentDecryptionModule* initial_cdm,
  62       mojo::Shell* shell);
  63
  64   blink::WebEncryptedMediaClient* GetEncryptedMediaClient();
  65
  66  private:
  67   media::interfaces::ServiceFactory* GetMediaServiceFactory();
  68   media::MediaPermission* GetMediaPermission();
  69   media::CdmFactory* GetCdmFactory();
  70
  71 #if !defined(OS_ANDROID)
  72   const media::AudioHardwareConfig& GetAudioHardwareConfig();
  73   scoped_refptr<media::AudioRendererSink> CreateAudioRendererSink();
  74   scoped_refptr<base::SingleThreadTaskRunner> GetMediaThreadTaskRunner();
  75
  76   base::Thread media_thread_;
  77   media::FakeAudioLogFactory fake_audio_log_factory_;
  78   scoped_ptr<media::AudioManager> audio_manager_;
  79   media::AudioHardwareConfig audio_hardware_config_;
  80 #endif
  81
  82   const bool enable_mojo_media_renderer_;
  83   scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
  84   mojo::Shell* shell_;
  85
  86   // Lazily initialized objects.
  87   media::interfaces::ServiceFactoryPtr media_service_factory_;
  88   scoped_ptr<media::WebEncryptedMediaClientImpl> web_encrypted_media_client_;
  89   scoped_ptr<media::MediaPermission> media_permission_;
  90   scoped_ptr<media::CdmFactory> cdm_factory_;
  91
  92   DISALLOW_COPY_AND_ASSIGN(MediaFactory);
  93 };
  94
  95 }  // namespace html_viewer
  96
  97 #endif  // COMPONENTS_HTML_VIEWER_MEDIA_FACTORY_H_