| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2012 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 CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_H_ | |
| 6 #define CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/memory/ref_counted.h" | |
| 11 #include "base/memory/singleton.h" | |
| 12 #include "base/observer_list.h" | |
| 13 #include "base/values.h" | |
| 14 #include "content/public/browser/media_observer.h" | |
| 15 #include "content/public/common/media_stream_request.h" | |
| 16 | |
| 17 class MediaCaptureDevicesDispatcher; | |
| 18 class MediaInternalsObserver; | |
| 19 class MediaStreamCaptureIndicator; | |
| 20 class Profile; | |
| 21 | |
| 22 namespace media { | |
| 23 | |
| 24 struct MediaLogEvent; | |
| 25 | |
| 26 // Helper to get the default devices which can be used by the media request, | |
| 27 // if the return list is empty, it means there is no available device on the OS. | |
| 28 // Called on the UI thread. | |
| 29 void GetDefaultDevicesForProfile(Profile* profile, | |
| 30 bool audio, | |
| 31 bool video, | |
| 32 content::MediaStreamDevices* devices); | |
| 33 | |
| 34 // Helper for picking the device that was requested for an OpenDevice request. | |
| 35 // If the device requested is not available it will revert to using the first | |
| 36 // available one instead or will return an empty list if no devices of the | |
| 37 // requested kind are present. | |
| 38 void GetRequestedDevice(const std::string& requested_device_id, | |
| 39 bool audio, | |
| 40 bool video, | |
| 41 content::MediaStreamDevices* devices); | |
| 42 } | |
| 43 | |
| 44 // This class stores information about currently active media. | |
| 45 // It's constructed on the UI thread but all of its methods are called on the IO | |
| 46 // thread. | |
| 47 class MediaInternals : public content::MediaObserver { | |
| 48 public: | |
| 49 virtual ~MediaInternals(); | |
| 50 | |
| 51 static MediaInternals* GetInstance(); | |
| 52 | |
| 53 // Overridden from content::MediaObserver: | |
| 54 virtual void OnDeleteAudioStream(void* host, int stream_id) OVERRIDE; | |
| 55 virtual void OnSetAudioStreamPlaying(void* host, | |
| 56 int stream_id, | |
| 57 bool playing) OVERRIDE; | |
| 58 virtual void OnSetAudioStreamStatus(void* host, | |
| 59 int stream_id, | |
| 60 const std::string& status) OVERRIDE; | |
| 61 virtual void OnSetAudioStreamVolume(void* host, | |
| 62 int stream_id, | |
| 63 double volume) OVERRIDE; | |
| 64 virtual void OnMediaEvent(int render_process_id, | |
| 65 const media::MediaLogEvent& event) OVERRIDE; | |
| 66 virtual void OnCaptureDevicesOpened( | |
| 67 int render_process_id, | |
| 68 int render_view_id, | |
| 69 const content::MediaStreamDevices& devices) OVERRIDE; | |
| 70 virtual void OnCaptureDevicesClosed( | |
| 71 int render_process_id, | |
| 72 int render_view_id, | |
| 73 const content::MediaStreamDevices& devices) OVERRIDE; | |
| 74 virtual void OnAudioCaptureDevicesChanged( | |
| 75 const content::MediaStreamDevices& devices) OVERRIDE; | |
| 76 virtual void OnVideoCaptureDevicesChanged( | |
| 77 const content::MediaStreamDevices& devices) OVERRIDE; | |
| 78 virtual void OnMediaRequestStateChanged( | |
| 79 int render_process_id, | |
| 80 int render_view_id, | |
| 81 const content::MediaStreamDevice& device, | |
| 82 content::MediaRequestState state) OVERRIDE; | |
| 83 | |
| 84 // Methods for observers. | |
| 85 // Observers should add themselves on construction and remove themselves | |
| 86 // on destruction. | |
| 87 void AddObserver(MediaInternalsObserver* observer); | |
| 88 void RemoveObserver(MediaInternalsObserver* observer); | |
| 89 void SendEverything(); | |
| 90 | |
| 91 scoped_refptr<MediaStreamCaptureIndicator> GetMediaStreamCaptureIndicator(); | |
| 92 scoped_refptr<MediaCaptureDevicesDispatcher> | |
| 93 GetMediaCaptureDevicesDispatcher(); | |
| 94 | |
| 95 private: | |
| 96 friend class MediaInternalsTest; | |
| 97 friend struct DefaultSingletonTraits<MediaInternals>; | |
| 98 | |
| 99 MediaInternals(); | |
| 100 | |
| 101 // Sets |property| of an audio stream to |value| and notifies observers. | |
| 102 // (host, stream_id) is a unique id for the audio stream. | |
| 103 // |host| will never be dereferenced. | |
| 104 void UpdateAudioStream(void* host, int stream_id, | |
| 105 const std::string& property, Value* value); | |
| 106 | |
| 107 // Removes |item| from |data_|. | |
| 108 void DeleteItem(const std::string& item); | |
| 109 | |
| 110 // Sets data_.id.property = value and notifies attached UIs using update_fn. | |
| 111 // id may be any depth, e.g. "video.decoders.1.2.3" | |
| 112 void UpdateItem(const std::string& update_fn, const std::string& id, | |
| 113 const std::string& property, Value* value); | |
| 114 | |
| 115 // Calls javascript |function|(|value|) on each attached UI. | |
| 116 void SendUpdate(const std::string& function, Value* value); | |
| 117 | |
| 118 DictionaryValue data_; | |
| 119 ObserverList<MediaInternalsObserver> observers_; | |
| 120 scoped_refptr<MediaStreamCaptureIndicator> media_stream_capture_indicator_; | |
| 121 scoped_refptr<MediaCaptureDevicesDispatcher> media_devices_dispatcher_; | |
| 122 | |
| 123 DISALLOW_COPY_AND_ASSIGN(MediaInternals); | |
| 124 }; | |
| 125 | |
| 126 #endif // CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 12153002:
Move chrome://media-internals to content. This allows us to hide implementation details from the pu… (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/