// FrameContext.h: interface for the CFrameContext class.
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_FRAMECONTEXT_H__369650F1_C25B_11D3_BE59_00A0C95A9812__INCLUDED_)
#define AFX_FRAMECONTEXT_H__369650F1_C25B_11D3_BE59_00A0C95A9812__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "VTSDoc.h"
#include "PI.h"
// forward declaration
class CFrameContextListener;
typedef CFrameContextListener *CFrameContextListenerPtr;
//
// CFrameContext
//
class CFrameContext {
public:
CFrameContext();
virtual ~CFrameContext();
VTSDoc* m_pDoc; // associated document
CFrameContext *m_NextFrame; // next frame context in document list
int m_PacketCount; // tracks pDoc->m_PacketCount
int m_CurrentPacket; // 0..m_PacketCount, or -1
//MAD_DB VTSPacket m_Packet; // packet contents
BACnetPIInfo m_PacketInfo; // decoded packet details
int m_DetailCount; // number of detail lines in current packet
int m_CurrentDetail; // 0..frame detail line count, or -1
int m_HexStart; // 0..(m_PacketLen-1)
int m_HexLen; // 0..(m_PacketLen-m_HexStart)
enum Signal
{ eNewPacketCount = 1
, eNewCurrentPacket = 2
, eNewDetailCount = 3
, eNewCurrentDetail = 4
, eNewCurrentRange = 5
, eUpdatePrefs = 6
};
void SetPacketCount( int packetCnt );
void SetCurrentPacket( int packetNum );
void SetDetailCount( int detailCnt );
void SetCurrentDetail( int detailNum );
void SetCurrentRange( int start, int len );
void UpdatePrefs();
// MAD_DB
VTSPacketPtr GetCurrentPacket(void);
void AddListener( CFrameContextListener* pListener );
void RemoveListener( CFrameContextListener * pListener );
protected:
CFrameContextListener* m_Listeners;
void NotifyListeners( Signal s );
};
typedef CFrameContext *CFrameContextPtr;
//
// CFrameContextListener
//
class CFrameContextListener {
friend class CFrameContext;
private:
CFrameContextListenerPtr m_NextListener;
public:
CFrameContextListener( void );
CFrameContextPtr m_FrameContext;
void SetContext( CFrameContextPtr pContext );
void RemoveContext();
virtual void ContextChange( CFrameContext::Signal s ) = 0;
};
extern CFrameContextPtr gNewFrameContext;
#endif // !defined(AFX_FRAMECONTEXT_H__369650F1_C25B_11D3_BE59_00A0C95A9812__INCLUDED_)