chromeos/audio/audio_devices_pref_handler_stub.h

   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 <map>
   9
  10 #include "base/macros.h"
  11 #include "chromeos/audio/audio_devices_pref_handler.h"
  12
  13 namespace chromeos {
  14
  15 // Stub class for AudioDevicesPrefHandler, used for testing.
  16 class CHROMEOS_EXPORT AudioDevicesPrefHandlerStub
  17     : public AudioDevicesPrefHandler {
  18  public:
  19   using AudioDeviceMute = std::map<uint64_t, bool>;
  20   using AudioDeviceVolumeGain = std::map<uint64_t, int>;
  21
  22   AudioDevicesPrefHandlerStub();
  23
  24   // AudioDevicesPrefHandler:
  25   double GetOutputVolumeValue(const AudioDevice* device) override;
  26   double GetInputGainValue(const AudioDevice* device) override;
  27   void SetVolumeGainValue(const AudioDevice& device, double value) override;
  28   bool GetMuteValue(const AudioDevice& device) override;
  29   void SetMuteValue(const AudioDevice& device, bool mute_on) override;
  30   bool GetAudioOutputAllowedValue() override;
  31   void AddAudioPrefObserver(AudioPrefObserver* observer) override;
  32   void RemoveAudioPrefObserver(AudioPrefObserver* observer) override;
  33
  34  protected:
  35   ~AudioDevicesPrefHandlerStub() override;
  36
  37  private:
  38   AudioDeviceMute audio_device_mute_map_;
  39   AudioDeviceVolumeGain audio_device_volume_gain_map_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(AudioDevicesPrefHandlerStub);
  42 };
  43
  44 }  // namespace chromeos
  45
  46 #endif  // CHROMEOS_AUDIO_AUDIO_DEVICES_PREF_HANDLER_STUB_H_