iScanEngineDeviceList.h

#pragma once

#include <boost/system/error_code.hpp>
#include <list>

#include "iScanEngineDevice.h"

namespace dpyImagerscanengine {

typedef enum
{
    ADDED = 0, 
    REMOVED = 1, 
} ListEvent;

struct UsbDevice
{
    int devNumber; 
    uint16_t idVendor;  
    uint16_t idProduct; 

    bool operator<(const UsbDevice &rhs) const
    {
        return devNumber < rhs.devNumber;
    }
};

}

class ScanEngineDeviceListObserver
{
public:
    virtual void listEvent(boost::shared_ptr<IScanEngineDevice> scanner, dpyImagerscanengine::ListEvent event) = 0;

    virtual ~ScanEngineDeviceListObserver()
    {
    }
};

class IScanEngineDeviceList
{
private:
    std::vector<ScanEngineDeviceListObserver*> mObserversList;

protected:
    virtual ~IScanEngineDeviceList();
    boost::system::error_code subscribe(ScanEngineDeviceListObserver* observer);
    boost::system::error_code unsubscribe(ScanEngineDeviceListObserver* observer);

    virtual boost::system::error_code getScanners(std::list<boost::shared_ptr<IScanEngineDevice>>& list) = 0;
};