resorgversioncheck.h

一个vc中管理资源文件ID的插件

#ifndef __ResOrgVersionCheck_H__
#define __ResOrgVersionCheck_H__
/************************************************************************
 *
 *    CResOrgVersionCheck - a class to check for new versions
 *    of ResOrg via the Internet
 *
 *    Written by Andy Metcalfe ([e-mail])
 *
 ************************************************************************
 *                                                                       
 *  Filename    : ResOrgVersionCheck.h
 *
 *  Compiler    : Microsoft Visual C++ 6.0, Service Pack 3 or 4
 *                                                                       
 *  Target                                                               
 *  Environment : Windows 98/NT (not tested on '95, Me and 2000,
 *                but it should work on them too)
 *
 *  NOTE:
 *
 *    Your may freely to use this code in your own products, PROVIDED
 *    this notice is not removed or modified.
 *
 ************************************************************************/

// ResOrgVersionCheck.h : header file
//

#include <afxmt.h>


/////////////////////////////////////////////////////////////////////////////
// CResOrgVersionCheck class

#define	CResOrgVersionCheck_BASE							CObject

class RESORGUTILS_EXT_CLASS CResOrgVersionCheck : public	CObject
{
// Construction
public:
			CResOrgVersionCheck(BOOL bDisableDialupPrompt);

	virtual	~CResOrgVersionCheck(void);

	// Attributes
protected:

			CString					m_sURL;
			CString					m_sTempFileName;		// Temporary file

			DWORD					m_dwContext;
			int						m_ePriority;

			BOOL					m_bDisableDialupPrompt;

			DWORD					m_dwErrorCode;

			HWND					m_hwndTarget;			// Target window for notification
			UINT					m_uMsg;					// User defined message to post
			UINT					m_uMsgID;				// ID if message is WM_COMMAND
			CEvent					m_Event;				// Event used to signal thread to exit
			CWinThread*				m_pThread;				// Pointer to worker thread monitoring file
			HANDLE					m_hThread;				// Thread handle obtained from m_pThread
	static	CMapPtrToPtr			m_mapMonitors;			// Used to call into the right object from
															// static callback function


// Virtual Overrides
protected:
			// Called when a notification should be made
	virtual	BOOL					OnDownloadCompleted(void);

// Operations
public:
			BOOL					SetNotifyTarget(	CWnd* pWnd,
														UINT uMsg,
														UINT uID = 0);

			BOOL					SetPriority(int ePriority);

			BOOL					StartDownload(	const CString& sURL,
													DWORD dwContext = 0);

			BOOL					IsDownloading(void) const
										{ return (NULL != m_pThread); }

			DWORD					GetErrorCode(void) const
										{ return m_dwErrorCode; }

			CString					GetURL(void) const
										{ return m_sURL; };

			CString					GetValue(			const CString& sSection,
														const CString& sEntry,
														const CString& sDefault = _T("") ) const;

			BOOL					IsNewVersion(		const CString& sSection,
														const CString& sExistingVer) const;

			BOOL					DownloadTextFile(	const CString& sURL,
														const CString& sDestination,
														DWORD dwContext,
														DWORD* pdwError = NULL);

// Implementation
private:	
			// Create worker thread
			BOOL					CreateDownloadThread(void);
			
			// Main function for worker thread. Called when the thread is created
	static	UINT					ThreadFunc(LPVOID pParam);

			UINT					DoThreadFunc(LPVOID pParam);


};

/////////////////////////////////////////////////////////////////////////////
#endif //!__ResOrgVersionCheck_H__