12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/browser/media/media_internals.h" 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string16.h" 8a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "base/strings/string_number_conversions.h" 9868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/stringprintf.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/browser_thread.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/web_ui.h" 123551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "media/audio/audio_parameters.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "media/base/media_log.h" 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "media/base/media_log_event.h" 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)namespace { 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)static base::LazyInstance<content::MediaInternals>::Leaky g_media_internals = 19f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) LAZY_INSTANCE_INITIALIZER; 20f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 21a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)base::string16 SerializeUpdate(const std::string& function, 22a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) const base::Value* value) { 23f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return content::WebUI::GetJavascriptCall( 24f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) function, std::vector<const base::Value*>(1, value)); 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 27a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)std::string EffectsToString(int effects) { 28a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (effects == media::AudioParameters::NO_EFFECTS) 29a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return "NO_EFFECTS"; 30a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 31a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) struct { 32a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int flag; 33a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const char* name; 34a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } flags[] = { 35a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) { media::AudioParameters::ECHO_CANCELLER, "ECHO_CANCELLER" }, 36a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) { media::AudioParameters::DUCKING, "DUCKING" }, 3723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) { media::AudioParameters::KEYBOARD_MIC, "KEYBOARD_MIC" }, 38a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) }; 39a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 40a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) std::string ret; 41a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) for (size_t i = 0; i < ARRAYSIZE_UNSAFE(flags); ++i) { 42a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (effects & flags[i].flag) { 43a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!ret.empty()) 44a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ret += " | "; 45a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ret += flags[i].name; 46a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) effects &= ~flags[i].flag; 47a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 48a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 49a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 50a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (effects) { 51a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!ret.empty()) 52a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ret += " | "; 53a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ret += base::IntToString(effects); 54a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 55a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 56a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return ret; 57a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 58a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 59f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)const char kAudioLogStatusKey[] = "status"; 60f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)const char kAudioLogUpdateFunction[] = "media.updateAudioComponent"; 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 62f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} // namespace 633551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 64f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)namespace content { 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 66f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)class AudioLogImpl : public media::AudioLog { 67f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) public: 68f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) AudioLogImpl(int owner_id, 69f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) media::AudioLogFactory::AudioComponent component, 70f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) content::MediaInternals* media_internals); 71f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual ~AudioLogImpl(); 72f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 73f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual void OnCreated(int component_id, 74f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const media::AudioParameters& params, 755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const std::string& device_id) OVERRIDE; 76f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual void OnStarted(int component_id) OVERRIDE; 77f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual void OnStopped(int component_id) OVERRIDE; 78f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual void OnClosed(int component_id) OVERRIDE; 79f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual void OnError(int component_id) OVERRIDE; 80f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual void OnSetVolume(int component_id, double volume) OVERRIDE; 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 82f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) private: 83f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) void SendSingleStringUpdate(int component_id, 84f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const std::string& key, 85f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const std::string& value); 86f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) void StoreComponentMetadata(int component_id, base::DictionaryValue* dict); 87f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) std::string FormatCacheKey(int component_id); 883551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 89f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const int owner_id_; 90f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const media::AudioLogFactory::AudioComponent component_; 91f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) content::MediaInternals* const media_internals_; 923551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 93f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(AudioLogImpl); 94f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)}; 953551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 96f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)AudioLogImpl::AudioLogImpl(int owner_id, 97f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) media::AudioLogFactory::AudioComponent component, 98f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) content::MediaInternals* media_internals) 99f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) : owner_id_(owner_id), 100f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) component_(component), 101f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) media_internals_(media_internals) {} 1023551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 103f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)AudioLogImpl::~AudioLogImpl() {} 1043551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 105f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void AudioLogImpl::OnCreated(int component_id, 106f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const media::AudioParameters& params, 1075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const std::string& device_id) { 108f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::DictionaryValue dict; 109f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) StoreComponentMetadata(component_id, &dict); 1103551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 111f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict.SetString(kAudioLogStatusKey, "created"); 1125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dict.SetString("device_id", device_id); 113f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict.SetInteger("frames_per_buffer", params.frames_per_buffer()); 114f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict.SetInteger("sample_rate", params.sample_rate()); 115f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict.SetInteger("channels", params.channels()); 116f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict.SetString("channel_layout", 117f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ChannelLayoutToString(params.channel_layout())); 118a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) dict.SetString("effects", EffectsToString(params.effects())); 1193551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 120f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) media_internals_->SendUpdateAndCache( 121f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) FormatCacheKey(component_id), kAudioLogUpdateFunction, &dict); 122f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 1233551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 124f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void AudioLogImpl::OnStarted(int component_id) { 125f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SendSingleStringUpdate(component_id, kAudioLogStatusKey, "started"); 126f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 1273551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 128f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void AudioLogImpl::OnStopped(int component_id) { 129f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SendSingleStringUpdate(component_id, kAudioLogStatusKey, "stopped"); 1303551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)} 1313551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 132f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void AudioLogImpl::OnClosed(int component_id) { 133f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::DictionaryValue dict; 134f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) StoreComponentMetadata(component_id, &dict); 135f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict.SetString(kAudioLogStatusKey, "closed"); 136f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) media_internals_->SendUpdateAndPurgeCache( 137f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) FormatCacheKey(component_id), kAudioLogUpdateFunction, &dict); 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 140f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void AudioLogImpl::OnError(int component_id) { 141f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SendSingleStringUpdate(component_id, "error_occurred", "true"); 142f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 143f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 144f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void AudioLogImpl::OnSetVolume(int component_id, double volume) { 145f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::DictionaryValue dict; 146f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) StoreComponentMetadata(component_id, &dict); 147f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict.SetDouble("volume", volume); 148f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) media_internals_->SendUpdateAndCache( 149f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) FormatCacheKey(component_id), kAudioLogUpdateFunction, &dict); 150f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 151f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 152f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)std::string AudioLogImpl::FormatCacheKey(int component_id) { 153f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return base::StringPrintf("%d:%d:%d", owner_id_, component_, component_id); 154f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 155f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 156f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void AudioLogImpl::SendSingleStringUpdate(int component_id, 157f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const std::string& key, 158f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const std::string& value) { 159f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::DictionaryValue dict; 160f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) StoreComponentMetadata(component_id, &dict); 161f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict.SetString(key, value); 162f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) media_internals_->SendUpdateAndCache( 163f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) FormatCacheKey(component_id), kAudioLogUpdateFunction, &dict); 1642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 166f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void AudioLogImpl::StoreComponentMetadata(int component_id, 167f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::DictionaryValue* dict) { 168f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict->SetInteger("owner_id", owner_id_); 169f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict->SetInteger("component_id", component_id); 170f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) dict->SetInteger("component_type", component_); 171f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 172f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 173f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)MediaInternals* MediaInternals::GetInstance() { 174f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return g_media_internals.Pointer(); 175f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 176f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 177f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)MediaInternals::MediaInternals() : owner_ids_() {} 178f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)MediaInternals::~MediaInternals() {} 179f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 180c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void MediaInternals::OnMediaEvents( 181c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int render_process_id, const std::vector<media::MediaLogEvent>& events) { 1822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 183f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // Notify observers that |event| has occurred. 184c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) for (std::vector<media::MediaLogEvent>::const_iterator event = events.begin(); 185f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) event != events.end(); ++event) { 186c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::DictionaryValue dict; 187c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) dict.SetInteger("renderer", render_process_id); 188c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) dict.SetInteger("player", event->id); 189c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) dict.SetString("type", media::MediaLog::EventTypeToString(event->type)); 190eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 191f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // TODO(dalecurtis): This is technically not correct. TimeTicks "can't" be 192f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // converted to to a human readable time format. See base/time/time.h. 193f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const double ticks = event->time.ToInternalValue(); 194f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const double ticks_millis = ticks / base::Time::kMicrosecondsPerMillisecond; 195eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch dict.SetDouble("ticksMillis", ticks_millis); 196c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) dict.Set("params", event->params.DeepCopy()); 197f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SendUpdate(SerializeUpdate("media.onMediaEvent", &dict)); 198c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void MediaInternals::AddUpdateCallback(const UpdateCallback& callback) { 202f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 2032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) update_callbacks_.push_back(callback); 2042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void MediaInternals::RemoveUpdateCallback(const UpdateCallback& callback) { 207f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 2082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < update_callbacks_.size(); ++i) { 2092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (update_callbacks_[i].Equals(callback)) { 2102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) update_callbacks_.erase(update_callbacks_.begin() + i); 2112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 2122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NOTREACHED(); 2152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void MediaInternals::SendEverything() { 218a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::string16 everything_update; 219f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) { 220f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::AutoLock auto_lock(lock_); 221f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) everything_update = SerializeUpdate( 222f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) "media.onReceiveEverything", &cached_data_); 223f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 224f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SendUpdate(everything_update); 2252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 227a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void MediaInternals::SendUpdate(const base::string16& update) { 228f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // SendUpdate() may be called from any thread, but must run on the IO thread. 229f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // TODO(dalecurtis): This is pretty silly since the update callbacks simply 230f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // forward the calls to the UI thread. We should avoid the extra hop. 231f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) { 232f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind( 233f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) &MediaInternals::SendUpdate, base::Unretained(this), update)); 234f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 235f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 2362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 237f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) for (size_t i = 0; i < update_callbacks_.size(); i++) 238f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) update_callbacks_[i].Run(update); 2393551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)} 2403551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 241f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)scoped_ptr<media::AudioLog> MediaInternals::CreateAudioLog( 242f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) AudioComponent component) { 243f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::AutoLock auto_lock(lock_); 244f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return scoped_ptr<media::AudioLog>(new AudioLogImpl( 245f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) owner_ids_[component]++, component, this)); 2462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 248f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void MediaInternals::SendUpdateAndCache(const std::string& cache_key, 249f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const std::string& function, 250f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const base::DictionaryValue* value) { 251f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SendUpdate(SerializeUpdate(function, value)); 2522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 253f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::AutoLock auto_lock(lock_); 254f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (!cached_data_.HasKey(cache_key)) { 255f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) cached_data_.Set(cache_key, value->DeepCopy()); 256f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 2572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2583551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 259f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::DictionaryValue* existing_dict = NULL; 260f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) CHECK(cached_data_.GetDictionary(cache_key, &existing_dict)); 261f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) existing_dict->MergeDictionary(value); 2622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 264f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void MediaInternals::SendUpdateAndPurgeCache( 265f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const std::string& cache_key, 266f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const std::string& function, 267f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const base::DictionaryValue* value) { 268f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SendUpdate(SerializeUpdate(function, value)); 2692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 270f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::AutoLock auto_lock(lock_); 271f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) scoped_ptr<base::Value> out_value; 272f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) CHECK(cached_data_.Remove(cache_key, &out_value)); 2732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace content 276