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 #ifndef CHROMEOS_AUDIO_AUDIO_DEVICES_PREF_HANDLER_STUB_H_
6 #define CHROMEOS_AUDIO_AUDIO_DEVICES_PREF_HANDLER_STUB_H_
7
8 #include <stdint.h>
9
10 #include <map>
11
12 #include "base/component_export.h"
13 #include "base/macros.h"
14 #include "chromeos/audio/audio_devices_pref_handler.h"
15
16 namespace chromeos {
17
18 // Stub class for AudioDevicesPrefHandler, used for testing.
COMPONENT_EXPORT(CHROMEOS_AUDIO)19 class COMPONENT_EXPORT(CHROMEOS_AUDIO) AudioDevicesPrefHandlerStub
20 : public AudioDevicesPrefHandler {
21 public:
22 struct DeviceState {
23 bool active;
24 bool activate_by_user;
25 };
26
27 using AudioDeviceMute = std::map<uint64_t, bool>;
28 using AudioDeviceVolumeGain = std::map<uint64_t, int>;
29 using AudioDeviceStateMap = std::map<uint64_t, DeviceState>;
30
31 AudioDevicesPrefHandlerStub();
32
33 // AudioDevicesPrefHandler:
34 double GetOutputVolumeValue(const AudioDevice* device) override;
35 double GetInputGainValue(const AudioDevice* device) override;
36 void SetVolumeGainValue(const AudioDevice& device, double value) override;
37 bool GetMuteValue(const AudioDevice& device) override;
38 void SetMuteValue(const AudioDevice& device, bool mute_on) override;
39 void SetDeviceActive(const AudioDevice& device,
40 bool active,
41 bool activate_by_user) override;
42 bool GetDeviceActive(const AudioDevice& device,
43 bool* active,
44 bool* activate_by_user) override;
45 bool GetAudioOutputAllowedValue() override;
46 void AddAudioPrefObserver(AudioPrefObserver* observer) override;
47 void RemoveAudioPrefObserver(AudioPrefObserver* observer) override;
48
49 protected:
50 ~AudioDevicesPrefHandlerStub() override;
51
52 private:
53 AudioDeviceMute audio_device_mute_map_;
54 AudioDeviceVolumeGain audio_device_volume_gain_map_;
55 AudioDeviceStateMap audio_device_state_map_;
56
57 DISALLOW_COPY_AND_ASSIGN(AudioDevicesPrefHandlerStub);
58 };
59
60 } // namespace chromeos
61
62 #endif // CHROMEOS_AUDIO_AUDIO_DEVICES_PREF_HANDLER_STUB_H_
63