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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 MRADIOENGINEOBSERVER_H
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#define MRADIOENGINEOBSERVER_H
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// User includes
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#include "radioenginedef.h"
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/**
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* Observer for radio state changes.
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*/
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NONSHARABLE_CLASS( MRadioEngineObserver )
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{
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public:
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virtual void PowerEventL( TBool aPowerState, TInt aErrorCode ) = 0;
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/**
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* Notifies when frequency changes
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* @param aFrequency The new frequency
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* @param aReason reason why the frequency changed
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* @param aErrorCode code related to state change
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*/
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virtual void FrequencyEventL( TUint32 aFrequency, RadioEngine::TRadioFrequencyEventReason aReason, TInt aErrorCode ) = 0;
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virtual void VolumeEventL( TInt aVolume, TInt aErrorCode ) = 0;
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virtual void MuteEventL( TBool aMuteState, TInt aErrorCode ) = 0;
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virtual void AudioModeEventL( TInt aAudioMode, TInt aErrorCode ) = 0;
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virtual void AntennaEventL( TBool aAntennaAttached, TInt aErrorCode ) = 0;
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/**
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* Notifies when audio routing changes
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* @param aAudioDestination The new output device
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* @param aErrorCode Error code related to state change
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*/
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virtual void AudioRoutingEventL( TInt aAudioDestination, TInt aErrorCode ) = 0;
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/**
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* Notifies about seeking events
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* @param aSeekingState The seeking state
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* @param aErrorCode KErrNone for successful starting or completion of seeking
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*/
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virtual void SeekingEventL( TInt aSeekingState, TInt aErrorCode ) = 0;
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/**
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* Notifies about region changes
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*
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* @param aRegion The ID of the new region
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* @param aErrorCode Region event error code
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*/
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virtual void RegionEventL( TInt aRegion, TInt aErrorCode ) = 0;
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/**
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* Notifies about fm transmitter activating
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*/
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virtual void FmTransmitterEventL( TBool aActive ) = 0;
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};
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#endif // MRADIOENGINEOBSERVER_H
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