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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chromeos/audio/cras_audio_handler.h" | 5 #include "chromeos/audio/cras_audio_handler.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <cmath> | 8 #include <cmath> |
9 | 9 |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
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268 output_mute_on_(false), | 268 output_mute_on_(false), |
269 input_mute_on_(false), | 269 input_mute_on_(false), |
270 output_volume_(0), | 270 output_volume_(0), |
271 input_gain_(0), | 271 input_gain_(0), |
272 active_output_node_id_(0), | 272 active_output_node_id_(0), |
273 active_input_node_id_(0), | 273 active_input_node_id_(0), |
274 has_alternative_input_(false), | 274 has_alternative_input_(false), |
275 has_alternative_output_(false), | 275 has_alternative_output_(false), |
276 output_mute_locked_(false), | 276 output_mute_locked_(false), |
277 input_mute_locked_(false) { | 277 input_mute_locked_(false) { |
278 if (!audio_pref_handler) | 278 if (!audio_pref_handler.get()) |
279 return; | 279 return; |
280 // If the DBusThreadManager or the CrasAudioClient aren't available, there | 280 // If the DBusThreadManager or the CrasAudioClient aren't available, there |
281 // isn't much we can do. This should only happen when running tests. | 281 // isn't much we can do. This should only happen when running tests. |
282 if (!chromeos::DBusThreadManager::IsInitialized() || | 282 if (!chromeos::DBusThreadManager::IsInitialized() || |
283 !chromeos::DBusThreadManager::Get() || | 283 !chromeos::DBusThreadManager::Get() || |
284 !chromeos::DBusThreadManager::Get()->GetCrasAudioClient()) | 284 !chromeos::DBusThreadManager::Get()->GetCrasAudioClient()) |
285 return; | 285 return; |
286 chromeos::DBusThreadManager::Get()->GetCrasAudioClient()->AddObserver(this); | 286 chromeos::DBusThreadManager::Get()->GetCrasAudioClient()->AddObserver(this); |
287 audio_pref_handler_->AddAudioPrefObserver(this); | 287 audio_pref_handler_->AddAudioPrefObserver(this); |
288 InitializeAudioState(); | 288 InitializeAudioState(); |
289 } | 289 } |
290 | 290 |
291 CrasAudioHandler::~CrasAudioHandler() { | 291 CrasAudioHandler::~CrasAudioHandler() { |
292 if (!chromeos::DBusThreadManager::IsInitialized() || | 292 if (!chromeos::DBusThreadManager::IsInitialized() || |
293 !chromeos::DBusThreadManager::Get() || | 293 !chromeos::DBusThreadManager::Get() || |
294 !chromeos::DBusThreadManager::Get()->GetCrasAudioClient()) | 294 !chromeos::DBusThreadManager::Get()->GetCrasAudioClient()) |
295 return; | 295 return; |
296 chromeos::DBusThreadManager::Get()->GetCrasAudioClient()-> | 296 chromeos::DBusThreadManager::Get()->GetCrasAudioClient()-> |
297 RemoveObserver(this); | 297 RemoveObserver(this); |
298 if (audio_pref_handler_) | 298 if (audio_pref_handler_.get()) |
299 audio_pref_handler_->RemoveAudioPrefObserver(this); | 299 audio_pref_handler_->RemoveAudioPrefObserver(this); |
300 audio_pref_handler_ = NULL; | 300 audio_pref_handler_ = NULL; |
301 } | 301 } |
302 | 302 |
303 void CrasAudioHandler::AudioClientRestarted() { | 303 void CrasAudioHandler::AudioClientRestarted() { |
304 InitializeAudioState(); | 304 InitializeAudioState(); |
305 } | 305 } |
306 | 306 |
307 void CrasAudioHandler::OutputVolumeChanged(int volume) { | 307 void CrasAudioHandler::OutputVolumeChanged(int volume) { |
308 if (output_volume_ != volume) { | 308 if (output_volume_ != volume) { |
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541 if (!success) { | 541 if (!success) { |
542 LOG(ERROR) << "Failed to retrieve audio nodes data"; | 542 LOG(ERROR) << "Failed to retrieve audio nodes data"; |
543 return; | 543 return; |
544 } | 544 } |
545 | 545 |
546 UpdateDevicesAndSwitchActive(node_list); | 546 UpdateDevicesAndSwitchActive(node_list); |
547 FOR_EACH_OBSERVER(AudioObserver, observers_, OnAudioNodesChanged()); | 547 FOR_EACH_OBSERVER(AudioObserver, observers_, OnAudioNodesChanged()); |
548 } | 548 } |
549 | 549 |
550 } // namespace chromeos | 550 } // namespace chromeos |
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