doc/sdk/_pv_acquisition_state_manager_8h_source.html

// *****************************************************************************

//

//     Copyright (c) 2011, Pleora Technologies Inc., All rights reserved.

//

// *****************************************************************************


#pragma once


#include <PvAppUtilsLib.h>

#include <PvDevice.h>

#include <PvStream.h>


namespace PvAppUtilsLib

{

    class AcquisitionStateManager;

}


typedef enum

{

    PvAcquisitionStateUnknown = -1,

    PvAcquisitionStateUnlocked = 0,

    PvAcquisitionStateLocked


} PvAcquisitionState;


class PV_APPUTILS_API PvAcquisitionStateEventSink

{

public:


    PvAcquisitionStateEventSink();


    virtual ~PvAcquisitionStateEventSink();


    virtual void OnAcquisitionStateChanged( PvDevice* aDevice, PvStream* aStream, uint32_t aSource, PvAcquisitionState aState );


};


class PV_APPUTILS_API PvAcquisitionStateManager

{

public:

    PvAcquisitionStateManager( PvDevice* aDevice, PvStream* aStream = 0, uint32_t aSource = 0 );


    ~PvAcquisitionStateManager();


    PvResult Start();


    PvResult Stop();


    PvAcquisitionState GetState() const;


    uint32_t GetSource() const;


    PvResult RegisterEventSink( PvAcquisitionStateEventSink* aEventSink );


    PvResult UnregisterEventSink( PvAcquisitionStateEventSink* aEventSink );


private:


    PvAppUtilsLib::AcquisitionStateManager *mThis;


     // Not implemented

    PvAcquisitionStateManager( const PvAcquisitionStateManager & );

    const PvAcquisitionStateManager &operator=( const PvAcquisitionStateManager & );


};