chromeos/audio/audio_devices_pref_handler_stub.cc

   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/audio/audio_devices_pref_handler_stub.h"
   6
   7 #include "base/stl_util.h"
   8 #include "chromeos/audio/audio_device.h"
   9
  10 namespace chromeos {
  11
  12 AudioDevicesPrefHandlerStub::AudioDevicesPrefHandlerStub() {
  13 }
  14
  15 AudioDevicesPrefHandlerStub::~AudioDevicesPrefHandlerStub() {
  16 }
  17
  18 double AudioDevicesPrefHandlerStub::GetOutputVolumeValue(
  19     const AudioDevice* device) {
  20   if (!device || !ContainsKey(audio_device_volume_gain_map_, device->id))
  21     return kDefaultOutputVolumePercent;
  22   return audio_device_volume_gain_map_[device->id];
  23 }
  24
  25 double AudioDevicesPrefHandlerStub::GetInputGainValue(
  26     const AudioDevice* device) {
  27   // TODO(rkc): The default value for gain is wrong. http://crbug.com/442489
  28   if (!device || !ContainsKey(audio_device_volume_gain_map_, device->id))
  29     return 75.0;
  30   return audio_device_volume_gain_map_[device->id];
  31 }
  32
  33 void AudioDevicesPrefHandlerStub::SetVolumeGainValue(const AudioDevice& device,
  34                                                      double value) {
  35   audio_device_volume_gain_map_[device.id] = value;
  36 }
  37
  38 bool AudioDevicesPrefHandlerStub::GetMuteValue(
  39     const AudioDevice& device) {
  40   return audio_device_mute_map_[device.id];
  41 }
  42
  43 void AudioDevicesPrefHandlerStub::SetMuteValue(const AudioDevice& device,
  44                                                bool mute_on) {
  45   audio_device_mute_map_[device.id] = mute_on;
  46 }
  47
  48 bool AudioDevicesPrefHandlerStub::GetAudioOutputAllowedValue() {
  49   return true;
  50 }
  51
  52 void AudioDevicesPrefHandlerStub::AddAudioPrefObserver(
  53     AudioPrefObserver* observer) {
  54 }
  55
  56 void AudioDevicesPrefHandlerStub::RemoveAudioPrefObserver(
  57     AudioPrefObserver* observer) {
  58 }
  59
  60 }  // namespace chromeos
  61