YiAudioVolumeBridge.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_AUDIO_VOLUME_BRIDGE_H_
#define _YI_AUDIO_VOLUME_BRIDGE_H_

#include "framework/YiPredef.h"
#include "signal/YiSignal.h"

class CYIAudioVolumeBridge
{
public:
    virtual ~CYIAudioVolumeBridge() {}

    virtual bool AdjustVolume(float fPercentage) = 0;

    virtual bool SetMuteEnabled(bool bEnabled) = 0;

    virtual bool GetVolume(float &fPercentage) = 0;

    virtual void StartObservingVolumeChanges() = 0;
    
    virtual void StopObservingVolumeChanges() = 0;

    CYISignal<> PlatformVolumeChanged;
};

#endif // _YI_AUDIO_VOLUME_BRIDGE_H_