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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Header file for MTelDMCallStateObserver class.
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*
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*/
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#ifndef CTELDMCALLSTATELISTENER_H
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#define CTELDMCALLSTATELISTENER_H
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// INCLUDES
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#include <e32property.h>
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#include <e32base.h>
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// FORWARD DECLARATIONS
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// CLASS DECLARATION
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class MTelDMCallStateObserver;
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/**
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* Call state listener. Listening TelephonyCallState PS key.
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*
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* @since 3.1
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*/
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NONSHARABLE_CLASS( CTelDMCallStateListener ) : public CActive
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{
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public: // Constructors and destructors.
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/**
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* Two-phased constructor.
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*/
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static CTelDMCallStateListener* NewL();
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/**
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* Destructor.
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*/
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virtual ~CTelDMCallStateListener();
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public:
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void AddObserverL( MTelDMCallStateObserver& aCallStateObserver );
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private: // from CActive
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/**
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* @see CActive::RunL.
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*/
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void RunL();
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/**
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* @see CActive::DoCancel.
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*/
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void DoCancel();
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private:
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/**
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* Handle notification request
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*/
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void HandleChange();
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/**
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* Start notification.
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*/
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void IssueRequest();
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/**
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* Constructor.
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*/
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CTelDMCallStateListener();
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/**
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* Symbian OS constructor.
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*/
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void ConstructL();
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private:
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// Owned Publish & Subscribe instance.
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RProperty iProperty;
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// Call state
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TInt iCallState;
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// Call State Change Observer array.
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RPointerArray< MTelDMCallStateObserver > iObserverArray;
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};
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#endif // CTELDMCALLSTATELISTENER_H
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// End of File
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