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Notifying the Document

, 12 Jul 2006 CPOL
An article on delivering objects to the document in a document/view architecture, using the WM_NOTIFY message.
// NotifierAppDoc.h : interface of the CNotifierAppDoc class
//


#pragma once

//class DocumentProxy ; 

#define DEFAULT_STOP_TIMEOUT	500

typedef enum
{
	PTO_UNINITIALIZED=0,
	PTO_INITIALIZED=1,
	PTO_RUNNING=2,
	PTO_PAUSED=4,
} PTOSTATE ; // PulseThread Object State

typedef enum
{
	PTS_EMPTY=0,
	PTS_SIGNAL,
	PTS_STOP,
	PTS_COUNT
} PTSIGNAL; // PulseThread Signal Type

class signal_fifo
{
public:
	static void Create( signal_fifo ** signals ) ; 
	static void Destroy( signal_fifo ** signals ) ;
	virtual PTSIGNAL Pop()= 0 ;
	virtual void Push( PTSIGNAL Signal ) = 0 ;
	virtual size_t Size() = 0 ;
	virtual HANDLE & Event() = 0 ;

	virtual ~signal_fifo() {}
};



class CNotifierAppDoc : public CDocument
{
protected: // create from serialization only
	CNotifierAppDoc();
	DECLARE_DYNCREATE(CNotifierAppDoc)

// Attributes
public:
	void RequestInformation() ;
	void RequestError() ; 

// Operations
public:

// Overrides
	public:
	virtual BOOL OnNewDocument();
	virtual void Serialize(CArchive& ar);

// Implementation
public:
	virtual ~CNotifierAppDoc();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:
	CWinThread			*	m_InformationThread ; 
	signal_fifo	*			m_InformationDeque ;
	static UINT InformationThread( void * p ) ;
	void OnInformationThread( int index ) ;

	CWinThread			*	m_ErrorThread ; 
	signal_fifo	*			m_ErrorDeque ;
	static UINT ErrorThread( void * p ) ;
	void OnErrorThread( int index ) ;

protected:
	BOOL					m_IsInitialized ; 

// Generated message map functions
protected:
	DECLARE_MESSAGE_MAP()
public:
	virtual BOOL OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo);
};


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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Michael Bergman
Software Developer (Senior)
United States United States
No Biography provided

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