Full Implementation of Audio for the Chrome Os Device Emulator

chromeos/dbus/fake_cras_audio_client.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/dbus/fake_cras_audio_client.h"
 
 namespace chromeos {
 
 FakeCrasAudioClient::FakeCrasAudioClient()
     : active_input_node_id_(0),
@@ skipping 80 matching lines @@
 void FakeCrasAudioClient::GetVolumeState(
     const GetVolumeStateCallback& callback) {
   callback.Run(volume_state_, true);
 }
 
 void FakeCrasAudioClient::GetNodes(const GetNodesCallback& callback,
                                    const ErrorCallback& error_callback) {
   callback.Run(node_list_, true);
 }
 
-void FakeCrasAudioClient::SetOutputNodeVolume(uint64 node_id,
-                                              int32 volume) {
-}
+void FakeCrasAudioClient::SetOutputNodeVolume(uint64 node_id, int32 volume) {}
 
 void FakeCrasAudioClient::SetOutputUserMute(bool mute_on) {
   volume_state_.output_user_mute = mute_on;
-  FOR_EACH_OBSERVER(Observer,
-                    observers_,
+  FOR_EACH_OBSERVER(Observer, observers_,
                     OutputMuteChanged(volume_state_.output_user_mute));
 }
 
-void FakeCrasAudioClient::SetInputNodeGain(uint64 node_id,
-                                           int32 input_gain) {
-}
+void FakeCrasAudioClient::SetInputNodeGain(uint64 node_id, int32 input_gain) {}
 
 void FakeCrasAudioClient::SetInputMute(bool mute_on) {
   volume_state_.input_mute = mute_on;
-  FOR_EACH_OBSERVER(Observer,
-                    observers_,
+  FOR_EACH_OBSERVER(Observer, observers_,
                     InputMuteChanged(volume_state_.input_mute));
 }
 
 void FakeCrasAudioClient::SetActiveOutputNode(uint64 node_id) {
   if (active_output_node_id_ == node_id)
     return;
 
   for (size_t i = 0; i < node_list_.size(); ++i) {
     if (node_list_[i].id == active_output_node_id_)
       node_list_[i].active = false;
     else if (node_list_[i].id == node_id)
       node_list_[i].active = true;
   }
   active_output_node_id_ = node_id;
-  FOR_EACH_OBSERVER(Observer,
-                    observers_,
-                    ActiveOutputNodeChanged(node_id));
+  FOR_EACH_OBSERVER(Observer, observers_, ActiveOutputNodeChanged(node_id));
 }
 
 void FakeCrasAudioClient::SetActiveInputNode(uint64 node_id) {
   if (active_input_node_id_ == node_id)
     return;
 
   for (size_t i = 0; i < node_list_.size(); ++i) {
     if (node_list_[i].id == active_input_node_id_)
       node_list_[i].active = false;
     else if (node_list_[i].id == node_id)
       node_list_[i].active = true;
   }
   active_input_node_id_ = node_id;
-  FOR_EACH_OBSERVER(Observer,
-                    observers_,
-                    ActiveInputNodeChanged(node_id));
+  FOR_EACH_OBSERVER(Observer, observers_, ActiveInputNodeChanged(node_id));
 }
 
 void FakeCrasAudioClient::AddActiveInputNode(uint64 node_id) {
   for (size_t i = 0; i < node_list_.size(); ++i) {
     if (node_list_[i].id == node_id)
       node_list_[i].active = true;
   }
 }
 
 void FakeCrasAudioClient::RemoveActiveInputNode(uint64 node_id) {
@@ skipping 13 matching lines @@
   }
 }
 
 void FakeCrasAudioClient::RemoveActiveOutputNode(uint64 node_id) {
   for (size_t i = 0; i < node_list_.size(); ++i) {
     if (node_list_[i].id == node_id)
       node_list_[i].active = false;
   }
 }
 
+void FakeCrasAudioClient::InsertAudioNodeToList(const AudioNode& audio_node) {
+  auto iter = FindNode(audio_node.id);
+  if (iter != node_list_.end())
+    (*iter) = audio_node;
+  else
+    node_list_.push_back(audio_node);
+  FOR_EACH_OBSERVER(Observer, observers_, NodesChanged());
+}
+
+void FakeCrasAudioClient::RemoveAudioNodeFromList(const uint64& node_id) {
+  auto iter = FindNode(node_id);
+  if (iter != node_list_.end()) {
+    node_list_.erase(iter);
+    FOR_EACH_OBSERVER(Observer, observers_, NodesChanged());
+  }
+}
+
 void FakeCrasAudioClient::SetAudioNodesForTesting(
     const AudioNodeList& audio_nodes) {
   node_list_ = audio_nodes;
 }
 
 void FakeCrasAudioClient::SetAudioNodesAndNotifyObserversForTesting(
     const AudioNodeList& new_nodes) {
   SetAudioNodesForTesting(new_nodes);
   FOR_EACH_OBSERVER(Observer, observers_, NodesChanged());
 }
 
+AudioNodeList::iterator FakeCrasAudioClient::FindNode(uint64 node_id) {
+  return std::find_if(
+      node_list_.begin(), node_list_.end(),
+      [node_id](const AudioNode& node) { return node_id == node.id; });
+}
+
 }  // namespace chromeos