Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 1 | // Copyright (c) 2013 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 "chromeos/dbus/cras_audio_client.h" |
| 6 | |
| 7 | #include "base/bind.h" |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 8 | #include "base/format_macros.h" |
| 9 | #include "base/strings/stringprintf.h" |
Ben Murdoch | 558790d | 2013-07-30 15:19:42 +0100 | [diff] [blame] | 10 | #include "chromeos/dbus/cras_audio_client_stub_impl.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 11 | #include "dbus/bus.h" |
| 12 | #include "dbus/message.h" |
| 13 | #include "dbus/object_path.h" |
| 14 | #include "dbus/object_proxy.h" |
| 15 | #include "third_party/cros_system_api/dbus/service_constants.h" |
| 16 | |
| 17 | namespace chromeos { |
| 18 | |
Torne (Richard Coles) | d0247b1 | 2013-09-19 22:36:51 +0100 | [diff] [blame] | 19 | // Error name if cras dbus call fails with empty ErrorResponse. |
| 20 | const char kNoResponseError[] = |
| 21 | "org.chromium.cras.Error.NoResponse"; |
| 22 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 23 | // The CrasAudioClient implementation used in production. |
| 24 | class CrasAudioClientImpl : public CrasAudioClient { |
| 25 | public: |
Torne (Richard Coles) | 424c4d7 | 2013-08-30 15:14:49 +0100 | [diff] [blame] | 26 | CrasAudioClientImpl() : cras_proxy_(NULL), weak_ptr_factory_(this) {} |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 27 | |
| 28 | virtual ~CrasAudioClientImpl() { |
| 29 | } |
| 30 | |
| 31 | // CrasAudioClient overrides: |
| 32 | virtual void AddObserver(Observer* observer) OVERRIDE { |
| 33 | observers_.AddObserver(observer); |
| 34 | } |
| 35 | |
| 36 | virtual void RemoveObserver(Observer* observer) OVERRIDE { |
| 37 | observers_.RemoveObserver(observer); |
| 38 | } |
| 39 | |
| 40 | virtual bool HasObserver(Observer* observer) OVERRIDE { |
| 41 | return observers_.HasObserver(observer); |
| 42 | } |
| 43 | |
| 44 | virtual void GetVolumeState(const GetVolumeStateCallback& callback) OVERRIDE { |
| 45 | dbus::MethodCall method_call(cras::kCrasControlInterface, |
| 46 | cras::kGetVolumeState); |
| 47 | cras_proxy_->CallMethod( |
| 48 | &method_call, |
| 49 | dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 50 | base::Bind(&CrasAudioClientImpl::OnGetVolumeState, |
| 51 | weak_ptr_factory_.GetWeakPtr(), callback)); |
| 52 | } |
| 53 | |
Torne (Richard Coles) | d0247b1 | 2013-09-19 22:36:51 +0100 | [diff] [blame] | 54 | virtual void GetNodes(const GetNodesCallback& callback, |
| 55 | const ErrorCallback& error_callback) OVERRIDE { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 56 | dbus::MethodCall method_call(cras::kCrasControlInterface, |
| 57 | cras::kGetNodes); |
Torne (Richard Coles) | d0247b1 | 2013-09-19 22:36:51 +0100 | [diff] [blame] | 58 | cras_proxy_->CallMethodWithErrorCallback( |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 59 | &method_call, |
| 60 | dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 61 | base::Bind(&CrasAudioClientImpl::OnGetNodes, |
Torne (Richard Coles) | d0247b1 | 2013-09-19 22:36:51 +0100 | [diff] [blame] | 62 | weak_ptr_factory_.GetWeakPtr(), callback), |
| 63 | base::Bind(&CrasAudioClientImpl::OnError, |
| 64 | weak_ptr_factory_.GetWeakPtr(), error_callback)); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 65 | } |
| 66 | |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 67 | virtual void SetOutputNodeVolume(uint64 node_id, int32 volume) OVERRIDE { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 68 | dbus::MethodCall method_call(cras::kCrasControlInterface, |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 69 | cras::kSetOutputNodeVolume); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 70 | dbus::MessageWriter writer(&method_call); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 71 | writer.AppendUint64(node_id); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 72 | writer.AppendInt32(volume); |
| 73 | cras_proxy_->CallMethod( |
| 74 | &method_call, |
| 75 | dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 76 | dbus::ObjectProxy::EmptyResponseCallback()); |
| 77 | } |
| 78 | |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 79 | virtual void SetOutputUserMute(bool mute_on) OVERRIDE { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 80 | dbus::MethodCall method_call(cras::kCrasControlInterface, |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 81 | cras::kSetOutputUserMute); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 82 | dbus::MessageWriter writer(&method_call); |
| 83 | writer.AppendBool(mute_on); |
| 84 | cras_proxy_->CallMethod( |
| 85 | &method_call, |
| 86 | dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 87 | dbus::ObjectProxy::EmptyResponseCallback()); |
| 88 | } |
| 89 | |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 90 | virtual void SetInputNodeGain(uint64 node_id, int32 input_gain) OVERRIDE { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 91 | dbus::MethodCall method_call(cras::kCrasControlInterface, |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 92 | cras::kSetInputNodeGain); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 93 | dbus::MessageWriter writer(&method_call); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 94 | writer.AppendUint64(node_id); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 95 | writer.AppendInt32(input_gain); |
| 96 | cras_proxy_->CallMethod( |
| 97 | &method_call, |
| 98 | dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 99 | dbus::ObjectProxy::EmptyResponseCallback()); |
| 100 | } |
| 101 | |
| 102 | virtual void SetInputMute(bool mute_on) OVERRIDE { |
| 103 | dbus::MethodCall method_call(cras::kCrasControlInterface, |
| 104 | cras::kSetInputMute); |
| 105 | dbus::MessageWriter writer(&method_call); |
| 106 | writer.AppendBool(mute_on); |
| 107 | cras_proxy_->CallMethod( |
| 108 | &method_call, |
| 109 | dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 110 | dbus::ObjectProxy::EmptyResponseCallback()); |
| 111 | } |
| 112 | |
| 113 | virtual void SetActiveOutputNode(uint64 node_id) OVERRIDE { |
| 114 | dbus::MethodCall method_call(cras::kCrasControlInterface, |
| 115 | cras::kSetActiveOutputNode); |
| 116 | dbus::MessageWriter writer(&method_call); |
| 117 | writer.AppendUint64(node_id); |
| 118 | cras_proxy_->CallMethod( |
| 119 | &method_call, |
| 120 | dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 121 | dbus::ObjectProxy::EmptyResponseCallback()); |
| 122 | } |
| 123 | |
| 124 | virtual void SetActiveInputNode(uint64 node_id) OVERRIDE { |
| 125 | dbus::MethodCall method_call(cras::kCrasControlInterface, |
| 126 | cras::kSetActiveInputNode); |
| 127 | dbus::MessageWriter writer(&method_call); |
| 128 | writer.AppendUint64(node_id); |
| 129 | cras_proxy_->CallMethod( |
| 130 | &method_call, |
| 131 | dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 132 | dbus::ObjectProxy::EmptyResponseCallback()); |
| 133 | } |
| 134 | |
Torne (Richard Coles) | 424c4d7 | 2013-08-30 15:14:49 +0100 | [diff] [blame] | 135 | protected: |
| 136 | virtual void Init(dbus::Bus* bus) OVERRIDE { |
| 137 | cras_proxy_ = bus->GetObjectProxy(cras::kCrasServiceName, |
| 138 | dbus::ObjectPath(cras::kCrasServicePath)); |
| 139 | |
| 140 | // Monitor NameOwnerChanged signal. |
| 141 | cras_proxy_->SetNameOwnerChangedCallback( |
| 142 | base::Bind(&CrasAudioClientImpl::NameOwnerChangedReceived, |
| 143 | weak_ptr_factory_.GetWeakPtr())); |
| 144 | |
| 145 | // Monitor the D-Bus signal for output mute change. |
| 146 | cras_proxy_->ConnectToSignal( |
| 147 | cras::kCrasControlInterface, |
| 148 | cras::kOutputMuteChanged, |
| 149 | base::Bind(&CrasAudioClientImpl::OutputMuteChangedReceived, |
| 150 | weak_ptr_factory_.GetWeakPtr()), |
| 151 | base::Bind(&CrasAudioClientImpl::SignalConnected, |
| 152 | weak_ptr_factory_.GetWeakPtr())); |
| 153 | |
| 154 | // Monitor the D-Bus signal for input mute change. |
| 155 | cras_proxy_->ConnectToSignal( |
| 156 | cras::kCrasControlInterface, |
| 157 | cras::kInputMuteChanged, |
| 158 | base::Bind(&CrasAudioClientImpl::InputMuteChangedReceived, |
| 159 | weak_ptr_factory_.GetWeakPtr()), |
| 160 | base::Bind(&CrasAudioClientImpl::SignalConnected, |
| 161 | weak_ptr_factory_.GetWeakPtr())); |
| 162 | |
| 163 | // Monitor the D-Bus signal for nodes change. |
| 164 | cras_proxy_->ConnectToSignal( |
| 165 | cras::kCrasControlInterface, |
| 166 | cras::kNodesChanged, |
| 167 | base::Bind(&CrasAudioClientImpl::NodesChangedReceived, |
| 168 | weak_ptr_factory_.GetWeakPtr()), |
| 169 | base::Bind(&CrasAudioClientImpl::SignalConnected, |
| 170 | weak_ptr_factory_.GetWeakPtr())); |
| 171 | |
| 172 | // Monitor the D-Bus signal for active output node change. |
| 173 | cras_proxy_->ConnectToSignal( |
| 174 | cras::kCrasControlInterface, |
| 175 | cras::kActiveOutputNodeChanged, |
| 176 | base::Bind(&CrasAudioClientImpl::ActiveOutputNodeChangedReceived, |
| 177 | weak_ptr_factory_.GetWeakPtr()), |
| 178 | base::Bind(&CrasAudioClientImpl::SignalConnected, |
| 179 | weak_ptr_factory_.GetWeakPtr())); |
| 180 | |
| 181 | // Monitor the D-Bus signal for active input node change. |
| 182 | cras_proxy_->ConnectToSignal( |
| 183 | cras::kCrasControlInterface, |
| 184 | cras::kActiveInputNodeChanged, |
| 185 | base::Bind(&CrasAudioClientImpl::ActiveInputNodeChangedReceived, |
| 186 | weak_ptr_factory_.GetWeakPtr()), |
| 187 | base::Bind(&CrasAudioClientImpl::SignalConnected, |
| 188 | weak_ptr_factory_.GetWeakPtr())); |
| 189 | } |
| 190 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 191 | private: |
| 192 | // Called when the cras signal is initially connected. |
| 193 | void SignalConnected(const std::string& interface_name, |
| 194 | const std::string& signal_name, |
| 195 | bool success) { |
| 196 | LOG_IF(ERROR, !success) |
| 197 | << "Failed to connect to cras signal:" << signal_name; |
| 198 | } |
| 199 | |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 200 | void NameOwnerChangedReceived(const std::string& old_owner, |
| 201 | const std::string& new_owner) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 202 | FOR_EACH_OBSERVER(Observer, observers_, AudioClientRestarted()); |
| 203 | } |
| 204 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 205 | // Called when a OutputMuteChanged signal is received. |
| 206 | void OutputMuteChangedReceived(dbus::Signal* signal) { |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 207 | // Chrome should always call SetOutputUserMute api to set the output |
| 208 | // mute state and monitor user_mute state from OutputMuteChanged signal. |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 209 | dbus::MessageReader reader(signal); |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 210 | bool system_mute, user_mute; |
| 211 | if (!reader.PopBool(&system_mute) || !reader.PopBool(&user_mute)) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 212 | LOG(ERROR) << "Error reading signal from cras:" |
| 213 | << signal->ToString(); |
| 214 | } |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 215 | FOR_EACH_OBSERVER(Observer, observers_, OutputMuteChanged(user_mute)); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 216 | } |
| 217 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 218 | // Called when a InputMuteChanged signal is received. |
| 219 | void InputMuteChangedReceived(dbus::Signal* signal) { |
| 220 | dbus::MessageReader reader(signal); |
| 221 | bool mute; |
| 222 | if (!reader.PopBool(&mute)) { |
| 223 | LOG(ERROR) << "Error reading signal from cras:" |
| 224 | << signal->ToString(); |
| 225 | } |
| 226 | FOR_EACH_OBSERVER(Observer, observers_, InputMuteChanged(mute)); |
| 227 | } |
| 228 | |
| 229 | void NodesChangedReceived(dbus::Signal* signal) { |
| 230 | FOR_EACH_OBSERVER(Observer, observers_, NodesChanged()); |
| 231 | } |
| 232 | |
| 233 | void ActiveOutputNodeChangedReceived(dbus::Signal* signal) { |
| 234 | dbus::MessageReader reader(signal); |
| 235 | uint64 node_id; |
| 236 | if (!reader.PopUint64(&node_id)) { |
| 237 | LOG(ERROR) << "Error reading signal from cras:" |
| 238 | << signal->ToString(); |
| 239 | } |
| 240 | FOR_EACH_OBSERVER(Observer, observers_, ActiveOutputNodeChanged(node_id)); |
| 241 | } |
| 242 | |
| 243 | void ActiveInputNodeChangedReceived(dbus::Signal* signal) { |
| 244 | dbus::MessageReader reader(signal); |
| 245 | uint64 node_id; |
| 246 | if (!reader.PopUint64(&node_id)) { |
| 247 | LOG(ERROR) << "Error reading signal from cras:" |
| 248 | << signal->ToString(); |
| 249 | } |
| 250 | FOR_EACH_OBSERVER(Observer, observers_, ActiveInputNodeChanged(node_id)); |
| 251 | } |
| 252 | |
| 253 | void OnGetVolumeState(const GetVolumeStateCallback& callback, |
| 254 | dbus::Response* response) { |
| 255 | bool success = true; |
| 256 | VolumeState volume_state; |
| 257 | if (response) { |
| 258 | dbus::MessageReader reader(response); |
| 259 | if (!reader.PopInt32(&volume_state.output_volume) || |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 260 | !reader.PopBool(&volume_state.output_system_mute) || |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 261 | !reader.PopInt32(&volume_state.input_gain) || |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 262 | !reader.PopBool(&volume_state.input_mute) || |
| 263 | !reader.PopBool(&volume_state.output_user_mute)) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 264 | success = false; |
| 265 | LOG(ERROR) << "Error reading response from cras: " |
| 266 | << response->ToString(); |
| 267 | } |
| 268 | } else { |
| 269 | success = false; |
| 270 | LOG(ERROR) << "Error calling " << cras::kGetVolumeState; |
| 271 | } |
| 272 | |
| 273 | callback.Run(volume_state, success); |
| 274 | } |
| 275 | |
| 276 | void OnGetNodes(const GetNodesCallback& callback, |
| 277 | dbus::Response* response) { |
| 278 | bool success = true; |
| 279 | AudioNodeList node_list; |
| 280 | if (response) { |
| 281 | dbus::MessageReader response_reader(response); |
| 282 | dbus::MessageReader array_reader(response); |
| 283 | while (response_reader.HasMoreData()) { |
| 284 | if (!response_reader.PopArray(&array_reader)) { |
| 285 | success = false; |
| 286 | LOG(ERROR) << "Error reading response from cras: " |
| 287 | << response->ToString(); |
| 288 | break; |
| 289 | } |
| 290 | |
| 291 | AudioNode node; |
| 292 | if (!GetAudioNode(response, &array_reader, &node)) { |
| 293 | success = false; |
| 294 | LOG(WARNING) << "Error reading audio node data from cras: " |
| 295 | << response->ToString(); |
| 296 | break; |
| 297 | } |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 298 | // Filter out the "UNKNOWN" type of audio devices. |
| 299 | if (node.type != "UNKNOWN") |
| 300 | node_list.push_back(node); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 301 | } |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 302 | } |
| 303 | |
Torne (Richard Coles) | d0247b1 | 2013-09-19 22:36:51 +0100 | [diff] [blame] | 304 | if (node_list.empty()) |
| 305 | return; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 306 | |
| 307 | callback.Run(node_list, success); |
| 308 | } |
| 309 | |
Torne (Richard Coles) | d0247b1 | 2013-09-19 22:36:51 +0100 | [diff] [blame] | 310 | void OnError(const ErrorCallback& error_callback, |
| 311 | dbus::ErrorResponse* response) { |
| 312 | // Error response has optional error message argument. |
| 313 | std::string error_name; |
| 314 | std::string error_message; |
| 315 | if (response) { |
| 316 | dbus::MessageReader reader(response); |
| 317 | error_name = response->GetErrorName(); |
| 318 | reader.PopString(&error_message); |
| 319 | } else { |
| 320 | error_name = kNoResponseError; |
| 321 | error_message = ""; |
| 322 | } |
| 323 | error_callback.Run(error_name, error_message); |
| 324 | } |
| 325 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 326 | bool GetAudioNode(dbus::Response* response, |
| 327 | dbus::MessageReader* array_reader, |
| 328 | AudioNode *node) { |
| 329 | while (array_reader->HasMoreData()) { |
| 330 | dbus::MessageReader dict_entry_reader(response); |
| 331 | dbus::MessageReader value_reader(response); |
| 332 | std::string key; |
| 333 | if (!array_reader->PopDictEntry(&dict_entry_reader) || |
| 334 | !dict_entry_reader.PopString(&key) || |
| 335 | !dict_entry_reader.PopVariant(&value_reader)) { |
| 336 | return false; |
| 337 | } |
| 338 | |
| 339 | if (key == cras::kIsInputProperty) { |
| 340 | if (!value_reader.PopBool(&node->is_input)) |
| 341 | return false; |
| 342 | } else if (key == cras::kIdProperty) { |
| 343 | if (!value_reader.PopUint64(&node->id)) |
| 344 | return false; |
| 345 | } else if (key == cras::kDeviceNameProperty) { |
| 346 | if (!value_reader.PopString(&node->device_name)) |
| 347 | return false; |
| 348 | } else if (key == cras::kTypeProperty) { |
| 349 | if (!value_reader.PopString(&node->type)) |
| 350 | return false; |
| 351 | } else if (key == cras::kNameProperty) { |
| 352 | if (!value_reader.PopString(&node->name)) |
| 353 | return false; |
| 354 | } else if (key == cras::kActiveProperty) { |
| 355 | if (!value_reader.PopBool(&node->active)) |
| 356 | return false; |
| 357 | } else if (key == cras::kPluggedTimeProperty) { |
| 358 | if (!value_reader.PopUint64(&node->plugged_time)) |
| 359 | return false; |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | return true; |
| 364 | } |
| 365 | |
| 366 | dbus::ObjectProxy* cras_proxy_; |
| 367 | ObserverList<Observer> observers_; |
| 368 | |
| 369 | // Note: This should remain the last member so it'll be destroyed and |
| 370 | // invalidate its weak pointers before any other members are destroyed. |
| 371 | base::WeakPtrFactory<CrasAudioClientImpl> weak_ptr_factory_; |
| 372 | |
| 373 | DISALLOW_COPY_AND_ASSIGN(CrasAudioClientImpl); |
| 374 | }; |
| 375 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 376 | CrasAudioClient::Observer::~Observer() { |
| 377 | } |
| 378 | |
| 379 | void CrasAudioClient::Observer::AudioClientRestarted() { |
| 380 | } |
| 381 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 382 | void CrasAudioClient::Observer::OutputMuteChanged(bool mute_on) { |
| 383 | } |
| 384 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 385 | void CrasAudioClient::Observer::InputMuteChanged(bool mute_on) { |
| 386 | } |
| 387 | |
| 388 | void CrasAudioClient::Observer::NodesChanged() { |
| 389 | } |
| 390 | |
| 391 | void CrasAudioClient::Observer::ActiveOutputNodeChanged(uint64 node_id){ |
| 392 | } |
| 393 | |
| 394 | void CrasAudioClient::Observer::ActiveInputNodeChanged(uint64 node_id) { |
| 395 | } |
| 396 | |
| 397 | CrasAudioClient::CrasAudioClient() { |
| 398 | } |
| 399 | |
| 400 | CrasAudioClient::~CrasAudioClient() { |
| 401 | } |
| 402 | |
| 403 | // static |
Torne (Richard Coles) | 424c4d7 | 2013-08-30 15:14:49 +0100 | [diff] [blame] | 404 | CrasAudioClient* CrasAudioClient::Create(DBusClientImplementationType type) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 405 | if (type == REAL_DBUS_CLIENT_IMPLEMENTATION) { |
Torne (Richard Coles) | 424c4d7 | 2013-08-30 15:14:49 +0100 | [diff] [blame] | 406 | return new CrasAudioClientImpl(); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 407 | } |
| 408 | DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type); |
| 409 | return new CrasAudioClientStubImpl(); |
| 410 | } |
| 411 | |
| 412 | } // namespace chromeos |