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| 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 #include "chrome/browser/media/media_internals.h" | |
| 6 | |
| 7 #include "base/memory/scoped_ptr.h" | |
| 8 #include "base/string16.h" | |
| 9 #include "base/stringprintf.h" | |
| 10 #include "chrome/browser/media/media_capture_devices_dispatcher.h" | |
| 11 #include "chrome/browser/media/media_internals_observer.h" | |
| 12 #include "chrome/browser/media/media_stream_capture_indicator.h" | |
| 13 #include "chrome/browser/prefs/scoped_user_pref_update.h" | |
| 14 #include "chrome/browser/profiles/profile.h" | |
| 15 #include "chrome/common/pref_names.h" | |
| 16 #include "content/public/browser/browser_thread.h" | |
| 17 #include "content/public/browser/web_ui.h" | |
| 18 #include "media/base/media_log.h" | |
| 19 #include "media/base/media_log_event.h" | |
| 20 | |
| 21 using content::BrowserThread; | |
| 22 | |
| 23 namespace media { | |
| 24 | |
| 25 namespace { | |
| 26 | |
| 27 const content::MediaStreamDevice* FindDefaultDeviceWithId( | |
| 28 const content::MediaStreamDevices& devices, | |
| 29 const std::string& device_id) { | |
| 30 if (devices.empty()) | |
| 31 return NULL; | |
| 32 | |
| 33 content::MediaStreamDevices::const_iterator iter = devices.begin(); | |
| 34 for (; iter != devices.end(); ++iter) { | |
| 35 if (iter->id == device_id) { | |
| 36 return &(*iter); | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 return &(*devices.begin()); | |
| 41 }; | |
| 42 | |
| 43 } // namespace | |
| 44 | |
| 45 void GetDefaultDevicesForProfile(Profile* profile, | |
| 46 bool audio, | |
| 47 bool video, | |
| 48 content::MediaStreamDevices* devices) { | |
| 49 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 50 DCHECK(audio || video); | |
| 51 | |
| 52 PrefService* prefs = profile->GetPrefs(); | |
| 53 std::string default_device; | |
| 54 if (audio) { | |
| 55 default_device = prefs->GetString(prefs::kDefaultAudioCaptureDevice); | |
| 56 GetRequestedDevice(default_device, true, false, devices); | |
| 57 } | |
| 58 | |
| 59 if (video) { | |
| 60 default_device = prefs->GetString(prefs::kDefaultVideoCaptureDevice); | |
| 61 GetRequestedDevice(default_device, false, true, devices); | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 void GetRequestedDevice(const std::string& requested_device_id, | |
| 66 bool audio, | |
| 67 bool video, | |
| 68 content::MediaStreamDevices* devices) { | |
| 69 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 70 DCHECK(audio || video); | |
| 71 | |
| 72 MediaCaptureDevicesDispatcher* dispatcher = | |
| 73 MediaInternals::GetInstance()->GetMediaCaptureDevicesDispatcher(); | |
| 74 if (audio) { | |
| 75 const content::MediaStreamDevices& audio_devices = | |
| 76 dispatcher->GetAudioCaptureDevices(); | |
| 77 const content::MediaStreamDevice* const device = | |
| 78 media::FindDefaultDeviceWithId(audio_devices, requested_device_id); | |
| 79 if (device) | |
| 80 devices->push_back(*device); | |
| 81 } | |
| 82 if (video) { | |
| 83 const content::MediaStreamDevices& video_devices = | |
| 84 dispatcher->GetVideoCaptureDevices(); | |
| 85 const content::MediaStreamDevice* const device = | |
| 86 media::FindDefaultDeviceWithId(video_devices, requested_device_id); | |
| 87 if (device) | |
| 88 devices->push_back(*device); | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 } // namespace media | |
| 93 | |
| 94 MediaInternals* MediaInternals::GetInstance() { | |
| 95 return Singleton<MediaInternals>::get(); | |
| 96 } | |
| 97 | |
| 98 MediaInternals::~MediaInternals() {} | |
| 99 | |
| 100 void MediaInternals::OnDeleteAudioStream(void* host, int stream_id) { | |
| 101 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 102 std::string stream = base::StringPrintf("audio_streams.%p:%d", | |
| 103 host, stream_id); | |
| 104 DeleteItem(stream); | |
| 105 } | |
| 106 | |
| 107 void MediaInternals::OnSetAudioStreamPlaying( | |
| 108 void* host, int stream_id, bool playing) { | |
| 109 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 110 UpdateAudioStream(host, stream_id, | |
| 111 "playing", Value::CreateBooleanValue(playing)); | |
| 112 } | |
| 113 | |
| 114 void MediaInternals::OnSetAudioStreamStatus( | |
| 115 void* host, int stream_id, const std::string& status) { | |
| 116 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 117 UpdateAudioStream(host, stream_id, | |
| 118 "status", Value::CreateStringValue(status)); | |
| 119 } | |
| 120 | |
| 121 void MediaInternals::OnSetAudioStreamVolume( | |
| 122 void* host, int stream_id, double volume) { | |
| 123 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 124 UpdateAudioStream(host, stream_id, | |
| 125 "volume", Value::CreateDoubleValue(volume)); | |
| 126 } | |
| 127 | |
| 128 void MediaInternals::OnMediaEvent( | |
| 129 int render_process_id, const media::MediaLogEvent& event) { | |
| 130 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 131 | |
| 132 // Notify observers that |event| has occured. | |
| 133 DictionaryValue dict; | |
| 134 dict.SetInteger("renderer", render_process_id); | |
| 135 dict.SetInteger("player", event.id); | |
| 136 dict.SetString("type", media::MediaLog::EventTypeToString(event.type)); | |
| 137 dict.SetDouble("time", event.time.ToDoubleT()); | |
| 138 dict.Set("params", event.params.DeepCopy()); | |
| 139 SendUpdate("media.onMediaEvent", &dict); | |
| 140 } | |
| 141 | |
| 142 void MediaInternals::OnCaptureDevicesOpened( | |
| 143 int render_process_id, | |
| 144 int render_view_id, | |
| 145 const content::MediaStreamDevices& devices) { | |
| 146 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 147 media_stream_capture_indicator_->CaptureDevicesOpened(render_process_id, | |
| 148 render_view_id, | |
| 149 devices); | |
| 150 } | |
| 151 | |
| 152 void MediaInternals::OnCaptureDevicesClosed( | |
| 153 int render_process_id, | |
| 154 int render_view_id, | |
| 155 const content::MediaStreamDevices& devices) { | |
| 156 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 157 media_stream_capture_indicator_->CaptureDevicesClosed(render_process_id, | |
| 158 render_view_id, | |
| 159 devices); | |
| 160 } | |
| 161 | |
| 162 void MediaInternals::OnAudioCaptureDevicesChanged( | |
| 163 const content::MediaStreamDevices& devices) { | |
| 164 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 165 media_devices_dispatcher_->AudioCaptureDevicesChanged(devices); | |
| 166 } | |
| 167 | |
| 168 void MediaInternals::OnVideoCaptureDevicesChanged( | |
| 169 const content::MediaStreamDevices& devices) { | |
| 170 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 171 media_devices_dispatcher_->VideoCaptureDevicesChanged(devices); | |
| 172 } | |
| 173 | |
| 174 void MediaInternals::OnMediaRequestStateChanged( | |
| 175 int render_process_id, | |
| 176 int render_view_id, | |
| 177 const content::MediaStreamDevice& device, | |
| 178 content::MediaRequestState state) { | |
| 179 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 180 | |
| 181 if (observers_.size()) { | |
| 182 FOR_EACH_OBSERVER( | |
| 183 MediaInternalsObserver, observers_, OnRequestUpdate(render_process_id, | |
| 184 render_view_id, | |
| 185 device, | |
| 186 state)); | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 void MediaInternals::AddObserver(MediaInternalsObserver* observer) { | |
| 191 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 192 observers_.AddObserver(observer); | |
| 193 } | |
| 194 | |
| 195 void MediaInternals::RemoveObserver(MediaInternalsObserver* observer) { | |
| 196 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 197 observers_.RemoveObserver(observer); | |
| 198 } | |
| 199 | |
| 200 void MediaInternals::SendEverything() { | |
| 201 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 202 SendUpdate("media.onReceiveEverything", &data_); | |
| 203 } | |
| 204 | |
| 205 scoped_refptr<MediaCaptureDevicesDispatcher> | |
| 206 MediaInternals::GetMediaCaptureDevicesDispatcher() { | |
| 207 return media_devices_dispatcher_; | |
| 208 } | |
| 209 | |
| 210 scoped_refptr<MediaStreamCaptureIndicator> | |
| 211 MediaInternals::GetMediaStreamCaptureIndicator() { | |
| 212 return media_stream_capture_indicator_.get(); | |
| 213 } | |
| 214 | |
| 215 MediaInternals::MediaInternals() | |
| 216 : media_stream_capture_indicator_(new MediaStreamCaptureIndicator()), | |
| 217 media_devices_dispatcher_(new MediaCaptureDevicesDispatcher()) { | |
| 218 } | |
| 219 | |
| 220 void MediaInternals::UpdateAudioStream( | |
| 221 void* host, int stream_id, const std::string& property, Value* value) { | |
| 222 std::string stream = base::StringPrintf("audio_streams.%p:%d", | |
| 223 host, stream_id); | |
| 224 UpdateItem("media.addAudioStream", stream, property, value); | |
| 225 } | |
| 226 | |
| 227 void MediaInternals::DeleteItem(const std::string& item) { | |
| 228 data_.Remove(item, NULL); | |
| 229 scoped_ptr<Value> value(Value::CreateStringValue(item)); | |
| 230 SendUpdate("media.onItemDeleted", value.get()); | |
| 231 } | |
| 232 | |
| 233 void MediaInternals::UpdateItem( | |
| 234 const std::string& update_fn, const std::string& id, | |
| 235 const std::string& property, Value* value) { | |
| 236 DictionaryValue* item_properties; | |
| 237 if (!data_.GetDictionary(id, &item_properties)) { | |
| 238 item_properties = new DictionaryValue(); | |
| 239 data_.Set(id, item_properties); | |
| 240 item_properties->SetString("id", id); | |
| 241 } | |
| 242 item_properties->Set(property, value); | |
| 243 SendUpdate(update_fn, item_properties); | |
| 244 } | |
| 245 | |
| 246 void MediaInternals::SendUpdate(const std::string& function, Value* value) { | |
| 247 // Only bother serializing the update to JSON if someone is watching. | |
| 248 if (observers_.size()) { | |
| 249 std::vector<const Value*> args; | |
| 250 args.push_back(value); | |
| 251 string16 update = content::WebUI::GetJavascriptCall(function, args); | |
| 252 FOR_EACH_OBSERVER(MediaInternalsObserver, observers_, OnUpdate(update)); | |
| 253 } | |
| 254 } | |
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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/