Persist the user's active audio device choice across chromeos session and reboots.

chromeos/audio/audio_devices_pref_handler_stub.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/audio/audio_devices_pref_handler_stub.h"
 
 #include "base/stl_util.h"
 #include "chromeos/audio/audio_device.h"
 
 namespace chromeos {
@@ skipping 29 matching lines @@
 bool AudioDevicesPrefHandlerStub::GetMuteValue(
     const AudioDevice& device) {
   return audio_device_mute_map_[device.stable_device_id];
 }
 
 void AudioDevicesPrefHandlerStub::SetMuteValue(const AudioDevice& device,
                                                bool mute_on) {
   audio_device_mute_map_[device.stable_device_id] = mute_on;
 }
 
-AudioDeviceState AudioDevicesPrefHandlerStub::GetDeviceState(
-    const AudioDevice& device) {
-  if (audio_device_state_map_.find(device.stable_device_id) ==
-      audio_device_state_map_.end())
-    return AUDIO_STATE_NOT_AVAILABLE;
-  return audio_device_state_map_[device.stable_device_id];
-}
-
-void AudioDevicesPrefHandlerStub::SetDeviceState(const AudioDevice& device,
-                                                 AudioDeviceState state) {
+void AudioDevicesPrefHandlerStub::SetDeviceActive(const AudioDevice& device,
+                                                  bool active,
+                                                  bool activate_by_user) {
+  DeviceState state;
+  state.active = active;
+  state.activate_by_user = activate_by_user;
   audio_device_state_map_[device.stable_device_id] = state;
 }
 
+bool AudioDevicesPrefHandlerStub::GetDeviceActive(const AudioDevice& device,
+                                                  bool* active,
+                                                  bool* activate_by_user) {
+  if (audio_device_state_map_.find(device.stable_device_id) ==
+      audio_device_state_map_.end()) {
+    return false;
+  }
+  *active = audio_device_state_map_[device.stable_device_id].active;
+  *activate_by_user =
+      audio_device_state_map_[device.stable_device_id].activate_by_user;
+  return true;
+}
+
 bool AudioDevicesPrefHandlerStub::GetAudioOutputAllowedValue() {
   return true;
 }
 
 void AudioDevicesPrefHandlerStub::AddAudioPrefObserver(
     AudioPrefObserver* observer) {
 }
 
 void AudioDevicesPrefHandlerStub::RemoveAudioPrefObserver(
     AudioPrefObserver* observer) {
 }
 
 }  // namespace chromeos