#ifndef __HGLIBDEVICEIMPL_HPP__
#define __HGLIBDEVICEIMPL_HPP__

#include "HGScannerLib.h"
#include "base/HGLock.h"
#include "base/HGEvent.h"
#include "sane/sane_ex.h"
#include "sane/sane_option_definitions.h"
#include <vector>
#include <map>
#include <string>

class HGLibDeviceImpl
{
public:
	HGLibDeviceImpl();
	~HGLibDeviceImpl();

	static HGBool Init(HGLibDeviceHotPlugEventFunc func, HGPointer param);
	static HGBool Deinit();
	static HGChar** GetNameList();
	static HGBool ReleaseNameList(HGChar** deviceName);

	static HGLibDeviceImpl* Open(const HGChar* deviceName);
	HGBool Close();
	HGBool GetSN(HGChar* sn, HGUInt maxLen);
	HGBool GetFWVersion(HGChar* fwVersion, HGUInt maxLen);
	HGBool SetParam(HGUInt option, const HGVoid* data);
	HGLibDeviceParamGroup* GetParamGroupList(HGUInt* count);
	HGLibDeviceParam* GetParam(HGUInt option);
	static HGBool ReleaseParamGroupList(HGLibDeviceParamGroup* paramGroup, HGUInt count);
	static HGBool ReleaseParam(HGLibDeviceParam* param);
	HGBool ResetParam();
	HGBool IsPaperOn();
	HGInt GetStatus();
	HGBool Restart();
	HGBool ShutDown();
	HGBool StartScan(HGLibDeviceScanEventFunc eventFunc, HGPointer eventParam,
		HGLibDeviceScanImageFunc imageFunc, HGPointer imageParam);
	HGBool StopScan();
	HGBool StopScanAsyn();
	HGInt GetOperateCode();

private:
	static const char* GetGroupName(HGUInt group);
	static HGUInt GetGroupName(const char* group);
	static const char* GetOptionName(HGUInt option);
	static HGUInt GetOptionName(const char* option);
	static const char* GetOptionEnumValue(HGUInt enumValue);
	static HGUInt GetOptionEnumValue(const char* enumValue);
	static int sane_ex_callback(SANE_Handle hdev, int code, void* data, unsigned int* len, void* param);

private:
	static HGLibDeviceHotPlugEventFunc m_hotPlugEventFunc;
	static HGPointer m_hotPlugEventParam;
	static HGBool m_init;
	static std::map<SANE_Handle, HGLibDeviceImpl*> m_deviceList;

	HGLock m_lock;
	SANE_Handle m_devHandle;
	std::string m_devName;
	HGInt m_dpi;
	HGBool m_scanning;
	HGEvent m_scanEvent;
	HGLibDeviceScanEventFunc m_eventFunc;
	HGPointer m_eventParam;
	HGLibDeviceScanImageFunc m_imageFunc;
	HGPointer m_imageParam;
	HGInt m_statusCode;
};

#endif /* __HGLIBDEVICEIMPL_HPP__ */