logexamplelogdatabaseobserver.h

专业的用于查询手机通话记录的代码

/*
 * ============================================================================
 *  Name     : CLogExampleLogDatabaseObserver from LogExampleLogDatabaseObserver.h
 *  Part of  : LogExample
 *  Created  : 26.05.2005 by Forum Nokia 
 *  Description:
 *  Version  : 1.0
 *  Copyright: Nokia Corporation
 * ============================================================================
 */

#ifndef __LOGEXAMPLELOGDATABASEOBSERVER_H__
#define __LOGEXAMPLELOGDATABASEOBSERVER_H__

// INCLUDE FILES
#include <e32base.h>
#include <f32file.h>        // RFs
#include <logcli.h>			// CLogClient

// CLASS DECLARATION

class MDatabaseObserver;

class CLogExampleLogDatabaseObserver : public CActive
    {

public:

    /**
     * Symbian OS default constructor
     * @param aObserver observer to observe database changes
     */
    CLogExampleLogDatabaseObserver(MDatabaseObserver& aObserver);

    /**
     * Destructor
     */
    virtual ~CLogExampleLogDatabaseObserver();

    /**
     * Two-phased constructor.
     * @param aObserver observer to observe database changes
     */
    static CLogExampleLogDatabaseObserver* NewL(MDatabaseObserver& aObserver);

    /**
     * Two-phased constructor.
     * @param aObserver observer to observe database changes
     */
    static CLogExampleLogDatabaseObserver* NewLC(MDatabaseObserver& aObserver);

    /**
     * Sets to notify for changes in database
     */
    void NotifyChange();

private:

    /**
     * Symbian OS default constructor
     */
    void ConstructL(MDatabaseObserver& aObserver);

    /**
     * From CActive
     */
    void RunL();

    /**
     * From CActive
     */
    void DoCancel();

private:
    // Data members

    RFs iFs;

    CLogClient* iLogClient;
    MDatabaseObserver& iObserver;
    };

#endif	

// End of file