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.
5 #ifndef CHROMEOS_AUDIO_AUDIO_DEVICE_H_
6 #define CHROMEOS_AUDIO_AUDIO_DEVICE_H_
12 #include "base/basictypes.h"
13 #include "chromeos/chromeos_export.h"
14 #include "chromeos/dbus/audio_node.h"
18 // Ordered from the highest priority to the lowest.
19 enum AudioDeviceType {
25 AUDIO_TYPE_INTERNAL_SPEAKER,
26 AUDIO_TYPE_INTERNAL_MIC,
27 AUDIO_TYPE_KEYBOARD_MIC,
31 struct CHROMEOS_EXPORT AudioDevice {
33 explicit AudioDevice(const AudioNode& node);
34 std::string ToString() const;
36 // Converts between the string type sent via D-Bus and AudioDeviceType.
37 // Static so they can be used by tests.
38 static std::string GetTypeString(chromeos::AudioDeviceType type);
39 static chromeos::AudioDeviceType GetAudioType(const std::string& node_type);
43 std::string display_name;
44 std::string device_name;
51 typedef std::vector<AudioDevice> AudioDeviceList;
52 typedef std::map<uint64, AudioDevice> AudioDeviceMap;
54 struct AudioDeviceCompare {
55 // Rules used to discern which device is higher,
57 // [Headphones/USB/Bluetooh > HDMI > Internal Speakers]
58 // [External Mic/USB Mic/Bluetooth > Internal Mic]
59 // 2.) Device Plugged in Time:
61 bool operator()(const chromeos::AudioDevice& a,
62 const chromeos::AudioDevice& b) const {
63 if (a.priority < b.priority) {
65 } else if (b.priority < a.priority) {
67 } else if (a.plugged_time < b.plugged_time) {
75 } // namespace chromeos
77 #endif // CHROMEOS_AUDIO_AUDIO_DEVICE_H_