chromeos/dbus/cras_audio_client_stub_impl.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/dbus/cras_audio_client_stub_impl.h"
   6
   7 namespace chromeos {
   8
   9 CrasAudioClientStubImpl::CrasAudioClientStubImpl()
  10     : active_input_node_id_(0),
  11       active_output_node_id_(0) {
  12 }
  13
  14 void CrasAudioClientStubImpl::Init(dbus::Bus* bus) {
  15   VLOG(1) << "CrasAudioClientStubImpl is created";
  16
  17   // Fake audio output nodes.
  18   AudioNode node_1;
  19   node_1.is_input = false;
  20   node_1.id = 10001;
  21   node_1.device_name = "Fake Speaker";
  22   node_1.type = "INTERNAL_SPEAKER";
  23   node_1.name = "Speaker";
  24   node_list_.push_back(node_1);
  25
  26   AudioNode node_2;
  27   node_2.is_input = false;
  28   node_2.id = 10002;
  29   node_2.device_name = "Fake Headphone";
  30   node_2.type = "HEADPHONE";
  31   node_2.name = "Headphone";
  32   node_list_.push_back(node_2);
  33
  34   AudioNode node_3;
  35   node_3.is_input = false;
  36   node_3.id = 10003;
  37   node_3.device_name = "Fake Bluetooth Headphone";
  38   node_3.type = "BLUETOOTH";
  39   node_3.name = "Headphone";
  40   node_list_.push_back(node_3);
  41
  42   // Fake audio input ndoes
  43   AudioNode node_4;
  44   node_4.is_input = true;
  45   node_4.id = 10004;
  46   node_4.device_name = "Fake Internal Mic";
  47   node_4.type = "INTERNAL_MIC";
  48   node_4.name = "Internal Mic";
  49   node_list_.push_back(node_4);
  50
  51   AudioNode node_5;
  52   node_5.is_input = true;
  53   node_5.id = 10005;
  54   node_5.device_name = "Fake USB Mic";
  55   node_5.type = "USB";
  56   node_5.name = "Mic";
  57   node_list_.push_back(node_5);
  58 }
  59
  60 CrasAudioClientStubImpl::~CrasAudioClientStubImpl() {
  61 }
  62
  63 void CrasAudioClientStubImpl::AddObserver(Observer* observer) {
  64   observers_.AddObserver(observer);
  65 }
  66
  67 void CrasAudioClientStubImpl::RemoveObserver(Observer* observer) {
  68   observers_.RemoveObserver(observer);
  69 }
  70
  71 bool CrasAudioClientStubImpl::HasObserver(Observer* observer) {
  72   return observers_.HasObserver(observer);
  73 }
  74
  75 void CrasAudioClientStubImpl::GetVolumeState(
  76     const GetVolumeStateCallback& callback) {
  77   callback.Run(volume_state_, true);
  78 }
  79
  80 void CrasAudioClientStubImpl::GetNodes(const GetNodesCallback& callback,
  81                                        const ErrorCallback& error_callback) {
  82   callback.Run(node_list_, true);
  83 }
  84
  85 void CrasAudioClientStubImpl::SetOutputNodeVolume(uint64 node_id,
  86                                                   int32 volume) {
  87 }
  88
  89 void CrasAudioClientStubImpl::SetOutputUserMute(bool mute_on) {
  90   volume_state_.output_user_mute = mute_on;
  91   FOR_EACH_OBSERVER(Observer,
  92                     observers_,
  93                     OutputMuteChanged(volume_state_.output_user_mute));
  94 }
  95
  96 void CrasAudioClientStubImpl::SetInputNodeGain(uint64 node_id,
  97                                                int32 input_gain) {
  98 }
  99
 100 void CrasAudioClientStubImpl::SetInputMute(bool mute_on) {
 101   volume_state_.input_mute = mute_on;
 102   FOR_EACH_OBSERVER(Observer,
 103                     observers_,
 104                     InputMuteChanged(volume_state_.input_mute));
 105 }
 106
 107 void CrasAudioClientStubImpl::SetActiveOutputNode(uint64 node_id) {
 108   if (active_output_node_id_ == node_id)
 109     return;
 110
 111   for (size_t i = 0; i < node_list_.size(); ++i) {
 112     if (node_list_[i].id == active_output_node_id_)
 113       node_list_[i].active = false;
 114     else if (node_list_[i].id == node_id)
 115       node_list_[i].active = true;
 116   }
 117   active_output_node_id_ = node_id;
 118   FOR_EACH_OBSERVER(Observer,
 119                     observers_,
 120                     ActiveOutputNodeChanged(node_id));
 121 }
 122
 123 void CrasAudioClientStubImpl::SetActiveInputNode(uint64 node_id) {
 124   if (active_input_node_id_ == node_id)
 125     return;
 126
 127   for (size_t i = 0; i < node_list_.size(); ++i) {
 128     if (node_list_[i].id == active_input_node_id_)
 129       node_list_[i].active = false;
 130     else if (node_list_[i].id == node_id)
 131       node_list_[i].active = true;
 132   }
 133   active_input_node_id_ = node_id;
 134   FOR_EACH_OBSERVER(Observer,
 135                     observers_,
 136                     ActiveInputNodeChanged(node_id));
 137 }
 138
 139 void CrasAudioClientStubImpl::SetAudioDevices(
 140     const AudioNodeList& audio_nodes) {
 141   node_list_.clear();
 142   for (size_t i = 0; i < audio_nodes.size(); ++i)
 143     node_list_.push_back(audio_nodes[i]);
 144 }
 145
 146 void CrasAudioClientStubImpl::ChangeAudioNodes(const AudioNodeList& new_nodes) {
 147   SetAudioDevices(new_nodes);
 148   FOR_EACH_OBSERVER(Observer, observers_, NodesChanged());
 149 }
 150
 151 }  // namespace chromeos