Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
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Michael Goddard
296
src/plugins/symbian/mmf/radio/s60radiotunercontrol_since32.h
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296
src/plugins/symbian/mmf/radio/s60radiotunercontrol_since32.h
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef S60RADIOTUNERCONTROL_H
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#define S60RADIOTUNERCONTROL_H
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#include <QtCore/qobject.h>
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#include <QtCore/qtimer.h>
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#include <qradiotunercontrol.h>
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#include <qradiotuner.h>
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#include <RadioUtility.h>
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#include <RadioFmTunerUtility.h>
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#include <RadioPlayerUtility.h>
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class S60RadioTunerService;
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class CFMRadioEngineCallObserver;
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QT_USE_NAMESPACE
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class S60RadioTunerControl
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: public QRadioTunerControl
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, public MRadioPlayerObserver
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, public MRadioFmTunerObserver
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{
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Q_OBJECT
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public:
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S60RadioTunerControl(QObject *parent = 0);
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~S60RadioTunerControl();
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QRadioTuner::State state() const;
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QRadioTuner::Band band() const;
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void setBand(QRadioTuner::Band b);
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bool isBandSupported(QRadioTuner::Band b) const;
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int frequency() const;
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int frequencyStep(QRadioTuner::Band b) const;
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QPair<int,int> frequencyRange(QRadioTuner::Band b) const;
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void setFrequency(int frequency);
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bool isStereo() const;
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QRadioTuner::StereoMode stereoMode() const;
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void setStereoMode(QRadioTuner::StereoMode mode);
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int signalStrength() const;
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int volume() const;
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void setVolume(int volume);
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bool isMuted() const;
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void setMuted(bool muted);
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bool isSearching() const;
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void searchForward();
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void searchBackward();
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void cancelSearch();
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bool isValid() const;
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bool isAvailable() const;
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QtMultimediaKit::AvailabilityError availabilityError() const;
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void start();
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void stop();
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QRadioTuner::Error error() const;
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QString errorString() const;
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/**
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* From MRadioPlayerObserver.
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* Called when Radio state changed.
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*
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* @since S60 3.2
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* @param aState Radio player state
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* @param aError A standard system error code, only used when aState is ERadioPlayerIdle
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*/
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void MrpoStateChange(TPlayerState aState, TInt aError);
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/**
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* From MRadioPlayerObserver.
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* Called when volume changes. This may be caused by other applications.
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*
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* @since S60 3.2
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* @param aVolume Current volume.
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*/
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void MrpoVolumeChange(TInt aVolume);
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/**
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* From MRadioPlayerObserver.
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* Called when mute setting changes. This may be caused by other applications.
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*
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* @since S60 3.2
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* @param aMute ETrue indicates audio is muted.
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*/
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void MrpoMuteChange(TBool aMute);
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/**
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* From MRadioPlayerObserver.
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* Called when mute setting changes. This may be caused by other applications.
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*
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* Called when balance setting changes. This may be caused by other applications.
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*
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* @since S60 3.2
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* Left speaker volume percentage. This can be any value from zero to 100.
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* Zero value means left speaker is muted.
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* @param aRightPercentage
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* Right speaker volume percentage. This can be any value from zero to 100.
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* Zero value means right speaker is muted.
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*/
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void MrpoBalanceChange(TInt aLeftPercentage, TInt aRightPercentage);
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/**
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* From MRadioFmTunerObserver.
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* Called when Request for tuner control completes.
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*
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* @since S60 3.2
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* @param aError A standard system error code or FM tuner error (TFmRadioTunerError).
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*/
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void MrftoRequestTunerControlComplete(TInt aError);
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/**
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* From MRadioFmTunerObserver.
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* Set frequency range complete event. This event is asynchronous and is received after
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* a call to CRadioFmTunerUtility::SetFrequencyRange.
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*
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* @since S60 3.2
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* @param aError A standard system error code or FM tuner error (TFmRadioTunerError).
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*/
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void MrftoSetFrequencyRangeComplete(TInt aError);
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/**
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* From MRadioFmTunerObserver.
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* Set frequency complete event. This event is asynchronous and is received after a call to
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* CRadioFmTunerUtility::SetFrequency.
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*
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* @since S60 3.2
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* @param aError A standard system error code or FM tuner error (TFmRadioTunerError).
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*/
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void MrftoSetFrequencyComplete(TInt aError);
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/**
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* From MRadioFmTunerObserver.
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* Station seek complete event. This event is asynchronous and is received after a call to
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* CRadioFmTunerUtility::StationSeek.
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*
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* @since S60 3.2
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* @param aError A standard system error code or FM tuner error (TFmRadioTunerError).
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* @param aFrequency The frequency(Hz) of the radio station that was found.
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*/
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void MrftoStationSeekComplete(TInt aError, TInt aFrequency);
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/**
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* From MRadioFmTunerObserver.
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* Called when FM Transmitter status changes (if one is present in the device). Tuner receiver
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* is forced to be turned off due to hardware conflicts when FM transmitter is activated.
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*
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* @since S60 3.2
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* @param aActive ETrue if FM transmitter is active; EFalse otherwise.
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*/
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void MrftoFmTransmitterStatusChange(TBool aActive);
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/**
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* From MRadioFmTunerObserver.
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* Called when antenna status changes.
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*
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* @since S60 3.2
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* @param aAttached ETrue if antenna is attached; EFalse otherwise.
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*/
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void MrftoAntennaStatusChange(TBool aAttached);
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/**
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* From MRadioFmTunerObserver.
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* Called when offline mode status changes.
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* @since S60 3.2
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*
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** @param aAttached ETrue if offline mode is enabled; EFalse otherwise.
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*/
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void MrftoOfflineModeStatusChange(TBool aOfflineMode);
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/**
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* From MRadioFmTunerObserver.
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* Called when the frequency range changes. This may be caused by other applications.
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*
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* @since S60 3.2
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* @param aNewRange New frequency range.
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*/
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void MrftoFrequencyRangeChange(TFmRadioFrequencyRange aBand /*, TInt aMinFreq, TInt aMaxFreq*/);
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/**
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* From MRadioFmTunerObserver.
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* Called when the tuned frequency changes. This may be caused by other
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* applications or RDS if AF/TA is enabled.
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*
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* @since S60 3.2
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* @param aNewFrequency The new tuned frequency(Hz).
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*/
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void MrftoFrequencyChange(TInt aNewFrequency);
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/**
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* From MRadioFmTunerObserver.
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* Called when the forced mono status change. This may be caused by other applications.
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*
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* @since S60 3.2
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* @param aForcedMono ETrue if forced mono mode is enabled; EFalse otherwise.
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*/
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void MrftoForcedMonoChange(TBool aForcedMono);
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/**
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* From MRadioFmTunerObserver.
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* Called when the squelch (muting the frequencies without broadcast) status change.
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* This may be caused by other applications.
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*
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* @since S60 3.2
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* @param aSquelch ETrue if squelch is enabled; EFalse otherwise.
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*/
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void MrftoSquelchChange(TBool aSquelch);
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private:
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bool initRadio();
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mutable int m_error;
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CRadioUtility* m_radioUtility;
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CRadioFmTunerUtility* m_fmTunerUtility;
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CRadioPlayerUtility* m_playerUtility;
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TInt m_maxVolume;
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TReal m_volMultiplier;
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bool m_tunerControl;
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bool m_audioInitializationComplete;
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bool m_muted;
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bool m_isStereo;
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bool m_available;
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int m_vol;
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bool m_volChangeRequired;
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mutable int m_signal;
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int m_previousSignal;
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bool m_scanning;
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QRadioTuner::Band m_currentBand;
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qint64 m_currentFreq;
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QRadioTuner::Error m_radioError;
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QRadioTuner::StereoMode m_stereoMode;
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QString m_errorString;
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QRadioTuner::State m_apiTunerState;
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QTimer *m_signalStrengthTimer;
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Q_SIGNALS:
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void error(QRadioTuner::Error) const;
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protected slots:
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void changeSignalStrength();
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};
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#endif
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