YiVideoPlayerStateManager.h

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

#include "player/YiAbstractVideoPlayer.h"
#include "signal/YiSignal.h"
#include "utility/YiString.h"

class CYIVideoPlayerStateManager : public CYISignalHandler
{
public:
    CYIVideoPlayerStateManager(CYIAbstractVideoPlayer *pPlayer);
    virtual ~CYIVideoPlayerStateManager();
    
    void TransitionToMediaUnloaded();
    void TransitionToMediaPreparing();
    void TransitionToMediaReady();
    void TransitionToPlaybackPlaying();
    void TransitionToPlaybackPaused();
    void TransitionToPlaybackBuffering();
    
    CYIAbstractVideoPlayer::PlayerState GetPlayerState() const;
    
private:    
    void SetMediaState(CYIAbstractVideoPlayer::MEDIA_STATE ePlayerState);
    void SetPlaybackState(CYIAbstractVideoPlayer::PLAYBACK_STATE eReadyState);
    
    void StateErrorOccured(const CYIString &errorMessage);
    
    CYIString PlayerStateToString(CYIAbstractVideoPlayer::PlayerState ePlayerState) const;
                       
    CYIAbstractVideoPlayer::PlayerState m_PlayerState;
    
    CYIAbstractVideoPlayer *m_pPlayer;
    mutable CYIMutex m_stateMutex;
};

#endif //_YI_VIDEO_PLAYER_STATE_MANAGER_H