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/*
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* Copyright (c) 2009 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:
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*
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*/
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#ifndef MRADIORDSRECEIVER_H
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#define MRADIORDSRECEIVER_H
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// Forward declarations
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class CRadioUtility;
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class CRadioPubSub;
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class MRadioRdsDataObserver;
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NONSHARABLE_CLASS( MRadioRdsReceiver )
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{
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public:
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/**
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* Initializes the RDS receiver
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*
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* @param aRadioUtility A reference to the radio utility
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* @param aPubSub Pointer to Publish&Subscribe object
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*/
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virtual void InitL( CRadioUtility& aRadioUtility, CRadioPubSub* aPubSub ) = 0;
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/**
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* Adds an observer wich will be notified of the new RDS data
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* If observer already exists, it is not added
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*
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* @param aObserver pointer of the observer instance.
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*/
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virtual void AddObserverL( MRadioRdsDataObserver* aObserver ) = 0;
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/**
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* Removes the rds observer.
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*/
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virtual void RemoveObserver( MRadioRdsDataObserver* aObserver ) = 0;
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/**
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* Getter for automatic switching state of alternate frequencies
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*
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* @return ETrue if automatic switching is enabled
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*/
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virtual TBool AutomaticSwitchingEnabled() const = 0;
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/**
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* Getter for the programme service name
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*
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* @return Programme service name
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*/
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virtual const TDesC& ProgrammeService() const = 0;
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/**
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* Getter for the radio text.
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*
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* @return Radio text.
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*/
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virtual const TDesC& RadioText() const = 0;
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/**
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* Getter for the RDS signal availability
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*
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* @return ETrue if RDS signal is available, otherwise EFalse
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*/
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virtual TBool SignalAvailable() const = 0;
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/**
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* Setter for automatic switching of alternate frequencies
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* If this method is overridden, the base implementation should be called
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*
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* @param aEnable ETrue, if automatic swithing is to be enabled
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*/
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virtual void SetAutomaticSwitchingL( TBool aEnable ) = 0;
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/**
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* Starts receiving the RDS information
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*/
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virtual void StartReceiver() = 0;
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/**
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* Stops receiving the RDS information
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*/
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virtual void StopReceiver() = 0;
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};
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#endif // MRADIORDSRECEIVER_H
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