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 "chromeos/audio/audio_devices_pref_handler.h"
   9
  10 #include <map>
  11
  12 namespace chromeos {
  13
  14 struct AudioDevice;
  15
  16 // Stub class for AudioDevicesPrefHandler, used for testing.
  17 class CHROMEOS_EXPORT AudioDevicesPrefHandlerStub
  18     : public AudioDevicesPrefHandler {
  19  public:
  20   typedef std::map<uint64, bool> AudioDeviceMute;
  21   typedef std::map<uint64, int> AudioDeviceVolumeGain;
  22
  23   AudioDevicesPrefHandlerStub();
  24
  25   virtual double GetOutputVolumeValue(const AudioDevice* device) override;
  26   virtual double GetInputGainValue(const AudioDevice* device) override;
  27   virtual void SetVolumeGainValue(const AudioDevice& device,
  28                                   double value) override;
  29   virtual bool GetMuteValue(const AudioDevice& device) override;
  30   virtual void SetMuteValue(const AudioDevice& device, bool mute_on) override;
  31   virtual bool GetAudioCaptureAllowedValue() override;
  32   virtual bool GetAudioOutputAllowedValue() override;
  33   virtual void AddAudioPrefObserver(AudioPrefObserver* observer) override;
  34   virtual void RemoveAudioPrefObserver(AudioPrefObserver* observer) override;
  35
  36  protected:
  37   virtual ~AudioDevicesPrefHandlerStub();
  38
  39  private:
  40   AudioDeviceMute audio_device_mute_map_;
  41   AudioDeviceVolumeGain audio_device_volume_gain_map_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(AudioDevicesPrefHandlerStub);
  44 };
  45
  46 }  // namespace chromeos
  47
  48 #endif  // CHROMEOS_AUDIO_AUDIO_DEVICES_PREF_HANDLER_STUB_H_