mguardscreqhandler.h,v

symbian s60手机上的短信拦截源代码。

head	1.1;
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	v1_0:1.1.1.1
	xueyw:1.1.1
	v111:1.1.1.1
	MGuard:1.1.1;
locks; strict;
comment	@ * @;


1.1
date	2007.08.22.11.19.19;	author administrator;	state Exp;
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	1.1.1.1;
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permissions	644;
commitid	3e846cc1bb63640;
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filename	@MGuardScReqHandler.h@;

1.1.1.1
date	2007.08.22.11.31.31;	author administrator;	state Exp;
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filename	@MGuardScReqHandler.h@;


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1.1
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@sc take care of  the lock/unlock of the screen
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@/*
* ============================================================================
*  Name     : MGuardScReqHandler.h
*  Part of  : MGuardCmdHandler
*  Created  : 19.08.2007 by xueyw
*  Description:
*  Version  :
*  Copyright: 
* ============================================================================
*/


#ifndef __MGUARDSCREQHANDLER_H__
#define __MGUARDSCREQHANDLER_H__

// INCLUDE FILES
#include <e32base.h>
#include "MGuardScSvrSession.h"

// FORWARD DECLARATIONS
class MMGuardScObserver;

// CLASS DECLARATION
/**
* CMGuardScReqHandler
*  An instance of the request handler object for the ClientServerAsync
*  example application
*/
class CMGuardScReqHandler : public CActive
{
public: // Constructors and destructors
	/**
	* NewL.
	* Two-phased constructor.
	* Creates a CCSAsyncRequestHandler object using two phase construction,
	* and return a pointer to the created object.
	* @@param aObserver The object to be used to
	*                  handle updates from the server.
	* @@return A pointer to the created instance of CCSAsyncRequestHandler.
	*/
	static CMGuardScReqHandler* NewL( MMGuardScObserver& aObserver );

	/**
	* NewLC.
	* Two-phased constructor.
	* Creates a CCSAsyncRequestHandler object using two phase construction,
	* and return a pointer to the created object.
	* @@param aObserver The object to be used to
	*                  handle updates from the server.
	* @@return A pointer to the created instance of CCSAsyncRequestHandler.
	*/
	static CMGuardScReqHandler* NewLC( MMGuardScObserver& aObserver );

	/**
	* ~CMGuardScReqHandler.
	* Destructor.
	* Destroys the object and release all memory objects.
	*/
	virtual ~CMGuardScReqHandler();

public: // New functions

	/**
	* RequestLock.
	* Sends a request to the server for an update to the time.
	*/
	void RequestLock();

	void RequestUnlock();

	/**
	* CancelRequest.
	* Cancels an outstanding request.
	*/
	void CancelRequest() ;

	/**
	* Time.
	* Gets a copy of the last time received from the server.
	* @@return The time.
	*/
	TTime Time() const;

protected: // Functions from base classes

	/**
	* From CActive, RunL.
	* Callback function.
	* Invoked to handle responses from the server.
	*/
	void RunL();

	/**
	* From CActive, DoCancel.
	* Cancels any outstanding operation.
	*/
	void DoCancel();

private: // Constructors and destructors

	/**
	* CMGuardScReqHandler.
	* Performs the first phase of two phase construction.
	* @@param aObserver The object to be used to
	*                  handle updates from the server.
	*/
	CMGuardScReqHandler( MMGuardScObserver& aObserver );

	/**
	* ConstructL.
	* Performs the second phase construction of a
	* CMGuardScReqHandler object.
	*/
	void ConstructL();

private: // Data

	/**
	* iSession, the time server session.
	*/
	RMGuardSvrSession iSession;

	/**
	* iTime, passed to the session to store the time.
	*/
	TTime iTime;

	/**
	* iObserver, observer which handles updates from the server.
	*/
	MMGuardScObserver& iObserver;
};


#endif //__CCSASYNCREQUESTHANDLER_H__

// End of File@


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