Add ability to active multiple devices via the audio API.

chromeos/dbus/cras_audio_client_stub_impl.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/cras_audio_client_stub_impl.h"
 
 namespace chromeos {
 
 CrasAudioClientStubImpl::CrasAudioClientStubImpl()
     : active_input_node_id_(0),
@@ skipping 119 matching lines @@
     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));
 }
 
 void CrasAudioClientStubImpl::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 CrasAudioClientStubImpl::RemoveActiveInputNode(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 CrasAudioClientStubImpl::AddActiveOutputNode(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 CrasAudioClientStubImpl::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 CrasAudioClientStubImpl::SetAudioDevices(
     const AudioNodeList& audio_nodes) {
   node_list_.clear();
   for (size_t i = 0; i < audio_nodes.size(); ++i)
     node_list_.push_back(audio_nodes[i]);
 }
 
 void CrasAudioClientStubImpl::ChangeAudioNodes(const AudioNodeList& new_nodes) {
   SetAudioDevices(new_nodes);
   FOR_EACH_OBSERVER(Observer, observers_, NodesChanged());
 }
 
 }  // namespace chromeos