logexengine.h

专业的用于查询手机通话记录的代码

/*
 * ============================================================================
 *  Name     : CLogExEngine from LogExEngine.h
 *  Part of  : LogExample
 *  Created  : 26.05.2005 by Forum Nokia 
 *  Description:
 *     provides interface to Log engine
 *  Version  : 1.0
 *  Copyright: Nokia Corporation 
 * ============================================================================
 */

#ifndef __LOGEXENGINE_H__
#define __LOGEXENGINE_H__

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

#include "EventsObserver.h"

enum
    {
    EGetEvent,
    EGetRecent,
    EAddEvent,
    EAddEventType,
    EDeleteEvent,
    ESleep
    };

//CLASS DECLARATION
class CLogExEngine : public CActive
    {
public:

    /**
     * Symbian OS default constructor
     */
    CLogExEngine();

    /**
     * Two-phased constructor.
     */
    static CLogExEngine* NewL();

    /**
     * Two-phased constructor.
     */
    static CLogExEngine* NewLC();

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

    /**
     * Reads events from the main event database
     */
    void ReadEventsL();

    /**
     * Reads events from the main event database
     */
    void ReadRecentEventsL();

    /**
     * Adds random event to the log engine database
     */
    void AddRandomEventL();

    /**
     * Adds event to the main event database
     */
    void AddEventTypeToLogEngineL();

    /**
     * Adds own event to the log engine database
     */
    void AddOwnEventL();

    /** 
     * Deletes the event in param from the log engine database
     * @param aLogId event Id
     */
    void DeleteEventL(TLogId& aLogId);

    /**
     * Sets observer given in param as events observer
     * @param aObserver observer
     */
    void SetObserver(MEventsObserver* aObserver);

    /**
     * Removes current events observer
     */
    void RemoveObserver();

    /**
     * Sets recent events observer
     * @param aObserver observer
     */
    void SetRecentObserver(MEventsObserver* aObserver);

    /**
     * Removes current recents events observer
     */
    void RemoveRecentObserver();

    /** 
     * Convenience methods for filtering events, only
     * one filter at time can be active. When none set
     * no filtering, all will be shown
     */
    /**
     * Sets incoming events filtering
     */
    void SetEventFilterDirectionIncoming();

    /**
     * Sets outgoing events filtering
     */
    void SetEventFilterDirectionOutgoing();

    /**
     * Sets voice type events filtering
     */
    void SetEventFilterEventTypeVoice();

    /**
     * Sets sms events filtering
     */
    void SetEventFilterEventTypeSMS();

    /**
     * Clears filters
     */
    void ClearEventFilter();

private:

    /**
     * Symbian 2-phase constructor
     */
    void ConstructL();

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

    /**
     * From CAktive
     */
    TInt RunError(TInt anError);

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

    /**
     * CreateRandomLogEvent()
     *
     * Creates random log events which can be set to log engine
     * Needed for emulator test 
     */
    CLogEvent* CreateRandomLogEventL();

    /**
     * Adds new event type to the log engine
     */
    CLogEventType* OwnLogEventTypeL();

    /**
     * Creates random number
     * @param aLimiter number to generate random int
     * @return random number
     */
    TInt Random(const TInt& aLimiter);

private:
    // Data Members

    RFs iFs;

    CLogClient* iLogClient;
    CLogViewEvent* iLogViewEvent;
    CLogViewRecent* iLogViewRecent;

    // Filters for event log
    CLogFilter* iLogFilter;

    // This is always empty
    // It is used to clear the active filter - iLogFilter
    CLogFilter* iEmptyLogFilter;

    CLogEvent* iLogEvent;
    CLogEventType* iLogEventType;

    MEventsObserver* iObserver;
    MEventsObserver* iRecentObserver;

    TInt iDeletedIndex;

    TBool iOwnEvenTypeRegistered;

    TInt iTask; // task for RunL
    };

#endif	

// End of file