calllogengine.h

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#ifndef __CALLLOGENGINE_H__
#define __CALLLOGENGINE_H__

//INCLUDES

// System includes
#include <e32base.h>        // CActive

// FORWARD DECLARATIONS
class CLogClient;
class CLogEvent;
class CLogFilter;
class CLogViewEvent;
class CCallArray;
class MCallLogEngineObserver;
class CAddEntries;

/**
*
* @class    CCallLogEngine CallLogEngine.h 
* @brief    This class extracts information 
* asynchronously from the log engine.
*
* Copyright (c) EMCC Software Ltd 2003
* @version    1.0
* 
*/
class CCallLogEngine: public CActive
{
public: // constructors and destructor    
    static CCallLogEngine* NewL(MCallLogEngineObserver& aObserver, CCallArray& aCallArray, TInt aDirection);
    static CCallLogEngine* NewLC(MCallLogEngineObserver& aObserver, CCallArray& aCallArray, TInt aDirection);
    ~CCallLogEngine();

public: // from CActive
    void DoCancel();
    void RunL();
    TInt RunError(TInt aError);

public: // new methods
    void PopulateCallArrayL();

private: // constructors
    CCallLogEngine(MCallLogEngineObserver& aObserver, CCallArray& aCallArray);
    void ConstructL(TInt aDirection);

private: // data
    enum TCallLogEngineState
    {
        ECreatingView,
        EAddingEntry,
        EIdle,
        EDebugCreatingEventLog
    };

    TCallLogEngineState        iEngineState;
    CLogClient*                iLogClient; 
    CLogViewEvent*            iLogView;
    CLogFilter*                iLogFilter;
    MCallLogEngineObserver& iObserver;
    CCallArray&                iCallArray;
#if defined(_DEBUG)
    CAddEntries*            iEntryAdd;
#endif // _DEBUG
};

#endif    // __CALLLOGENGINE_H__