Display current output device icon in the floating volume row when switching output devices

chromeos/audio/cras_audio_handler.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/cras_audio_handler.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 1299 matching lines @@
   while (!input_devices_pq_.empty())
     input_devices_pq_.pop();
   while (!output_devices_pq_.empty())
     output_devices_pq_.pop();
 
   size_t new_output_device_size = 0;
   size_t new_input_device_size = 0;
   for (size_t i = 0; i < nodes.size(); ++i) {
     AudioDevice device(nodes[i]);
     audio_devices_[device.id] = device;
-    if (!has_alternative_input_ &&
-        device.is_input &&
+    if (!has_alternative_input_ && device.is_input &&
         device.type != AUDIO_TYPE_INTERNAL_MIC &&
-        device.type != AUDIO_TYPE_KEYBOARD_MIC) {
+        device.type != AUDIO_TYPE_KEYBOARD_MIC &&
+        device.type != AUDIO_TYPE_HOTWORD &&
+        device.type != AUDIO_TYPE_POST_MIX_LOOPBACK &&
+        device.type != AUDIO_TYPE_POST_DSP_LOOPBACK) {
       has_alternative_input_ = true;
     } else if (!has_alternative_output_ &&
                !device.is_input &&
                device.type != AUDIO_TYPE_INTERNAL_SPEAKER) {
       has_alternative_output_ = true;
     }
 
     if (device.is_input) {
       input_devices_pq_.push(device);
       ++new_input_device_size;
@@ skipping 252 matching lines @@
 bool CrasAudioHandler::HasExternalDevice(bool is_input) const {
   for (const auto& item : audio_devices_) {
     const AudioDevice& device = item.second;
     if (is_input == device.is_input && device.IsExternalDevice())
       return true;
   }
   return false;
 }
 
 }  // namespace chromeos