/*
* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Generates DTMF events in Inband DTMF
*
*/
#ifndef SVPDTMFEVENTGENERATOR_H
#define SVPDTMFEVENTGENERATOR_H
#include <e32base.h>
#include "svputdefs.h"
class MSVPDTMFEventObserver;
/**
* SVP DTMF event generator
* Generates DTMF events when sending Inband string sequence
*
* @lib
* @since S60 3.2
*/
class CSVPDTMFEventGenerator : public CActive
{
public:
/**
* Two-phased constructor.
*/
static CSVPDTMFEventGenerator* CSVPDTMFEventGenerator::NewL( MSVPDTMFEventObserver& aObserver );
/**
* Destructor.
*/
virtual ~CSVPDTMFEventGenerator();
public: // new methods
/**
* Starts sending DTMF events
* @Since S60 3.2
* @return void
*/
void StartDtmfEvents( TInt aStringLength, TBool aPause = EFalse );
/**
* Stops the timer.
* @since Series 60 3.2
* @return
*/
void StopEvents();
protected: // methods from base classes
/**
* @see CActive
*/
void RunL();
/**
* @see CActive
*/
void DoCancel();
/**
* @see CActive
*/
TInt RunError( TInt aError );
private:
/**
* C++ default constructor.
*/
CSVPDTMFEventGenerator( MSVPDTMFEventObserver& aObserver );
/**
* By default Symbian 2nd phase constructor is private.
*/
void ConstructL();
private: // data
/**
* Reference to the DTMF observer.
*/
MSVPDTMFEventObserver& iObserver;
/**
* Holds the length of the string to be sent
*/
TInt iStringLength;
/**
* Reference to RTimer
*/
RTimer iTimer;
/**
* Flag which determines if start event is sent
* Needed for event sending logic when sending DMTF string
*/
TBool iStartSent;
/**
* Pause flag determines, whether pause should be activated
*/
TBool iPause;
private:
// For testing
SVP_UT_DEFS
};
#endif // SVPDTMFEVENTGENERATOR_H