/*
* Copyright (c) 2006 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: Header file for MTelDMCallStateObserver class.
*
*/
#ifndef CTELDMCALLSTATELISTENER_H
#define CTELDMCALLSTATELISTENER_H
// INCLUDES
#include <e32property.h>
#include <e32base.h>
// FORWARD DECLARATIONS
// CLASS DECLARATION
class MTelDMCallStateObserver;
/**
* Call state listener. Listening TelephonyCallState PS key.
*
* @since 3.1
*/
NONSHARABLE_CLASS( CTelDMCallStateListener ) : public CActive
{
public: // Constructors and destructors.
/**
* Two-phased constructor.
*/
static CTelDMCallStateListener* NewL();
/**
* Destructor.
*/
virtual ~CTelDMCallStateListener();
public:
void AddObserverL( MTelDMCallStateObserver& aCallStateObserver );
private: // from CActive
/**
* @see CActive::RunL.
*/
void RunL();
/**
* @see CActive::DoCancel.
*/
void DoCancel();
private:
/**
* Handle notification request
*/
void HandleChange();
/**
* Start notification.
*/
void IssueRequest();
/**
* Constructor.
*/
CTelDMCallStateListener();
/**
* Symbian OS constructor.
*/
void ConstructL();
private:
// Owned Publish & Subscribe instance.
RProperty iProperty;
// Call state
TInt iCallState;
// Call State Change Observer array.
RPointerArray< MTelDMCallStateObserver > iObserverArray;
};
#endif // CTELDMCALLSTATELISTENER_H
// End of File