/*
* 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: Publish and Subscribe key watcher
*
*/
#ifndef CMMACALLSTATEMONITOR_H
#define CMMACALLSTATEMONITOR_H
#include <e32property.h>
class MMMACallStateObserver;
/**
* Publish and subscribe key watcher.
*
* @lib
*/
class CMMACallStateMonitor : public CActive
{
public:
/*
* Two Phased Constructor.
*
* @since
* @param aUid PubSub UID to watch
* @param aKey specific key to watch
* @return Construced object
*/
static CMMACallStateMonitor* NewL( TUid aUid, TInt aKey,
MMMACallStateObserver* aObserver );
/*
* virtual destructor.
*
* @since
*/
virtual ~CMMACallStateMonitor();
public: // New Functions
/*
* Return the value of the key.
*
* @since
* @param aValue
* @return KErrNone, if successful otherwise system error
*/
TInt GetValue( TInt& aValue );
protected: // From Base class
/*
* From CActive.
*
* @since
*/
void RunL();
/*
* From CActive.
*
* @since
*/
void DoCancel();
private:
/*
* Default Constructor.
*
* @since
* @param aUid PubSub key to watch
* @param aKey specific key to watch
*/
CMMACallStateMonitor( TUid aUid,
TInt aKey,
MMMACallStateObserver* aObserver );
/*
* Second phased constructor.
*
* @since
*/
void ConstructL();
private: // data
RProperty iProperty;
MMMACallStateObserver* iObserver; // not owned
TUid iUid; // Uid that we are watching
TInt iKey; // Key that we are watching
};
#endif // C_MMAPSKEYWATCHER_H