qtmobility/plugins/multimedia/symbian/mmf/radio/s60radiotunercontrol_since32.cpp
changeset 4 90517678cc4f
child 5 453da2cfceef
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/multimedia/symbian/mmf/radio/s60radiotunercontrol_since32.cpp	Mon May 03 13:18:40 2010 +0300
@@ -0,0 +1,468 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "s60radiotunercontrol_since32.h"
+#include "s60radiotunerservice.h"
+
+#include <QtCore/qdebug.h>
+#include <radiofmtunerutility.h>
+
+S60RadioTunerControl::S60RadioTunerControl(QObject *parent)
+    : QRadioTunerControl(parent)
+    , m_error(0)
+    , m_radioUtility(NULL)   
+    , m_fmTunerUtility(NULL)
+    , m_playerUtility(NULL)
+    , m_audioInitializationComplete(false)
+    , m_muted(false)
+    , m_isStereo(true)
+    , m_vol(100)
+    , m_signal(0)
+    , m_radioError(QRadioTuner::NoError)
+    , m_scanning(false)
+    , m_currentBand(QRadioTuner::FM)
+    , m_currentFreq(87500000)
+    , m_stereoMode(QRadioTuner::Auto)
+    , m_apiTunerState(QRadioTuner::StoppedState)
+    , m_maxVolume(100)
+{   
+    initRadio();
+}
+
+S60RadioTunerControl::~S60RadioTunerControl()
+{
+	if (m_fmTunerUtility) {
+		m_fmTunerUtility->Close();
+	}
+	
+	if(m_playerUtility) {
+		m_playerUtility->Close();
+	}
+	
+	delete m_radioUtility;
+}
+
+QRadioTuner::State S60RadioTunerControl::state() const
+{
+    return m_apiTunerState;
+}
+
+QRadioTuner::Band S60RadioTunerControl::band() const
+{
+    return m_currentBand;
+}
+
+bool S60RadioTunerControl::isBandSupported(QRadioTuner::Band b) const
+{
+	if(b == QRadioTuner::FM)
+		return true;
+	else if(b == QRadioTuner::LW)
+		return false;
+	else if(b == QRadioTuner::AM)
+		return true;
+	else if(b == QRadioTuner::SW)
+		return false;
+	else
+		return false;
+}
+
+void S60RadioTunerControl::setBand(QRadioTuner::Band b)
+{
+    QRadioTuner::Band tempBand = b; 
+    if (tempBand != m_currentBand) {
+        m_currentBand = b;  
+        emit bandChanged(m_currentBand);
+    }   
+}
+
+int S60RadioTunerControl::frequency() const
+{
+    return m_currentFreq;
+}
+
+void S60RadioTunerControl::setFrequency(int frequency)
+{
+	m_currentFreq = frequency;	
+	m_fmTunerUtility->SetFrequency(m_currentFreq);
+}
+int S60RadioTunerControl::frequencyStep(QRadioTuner::Band b) const
+{
+    int step = 0;
+    if(b == QRadioTuner::FM)
+        step = 100000; // 100kHz steps
+    else if(b == QRadioTuner::LW)
+        step = 1000; // 1kHz steps
+    else if(b == QRadioTuner::AM)
+        step = 1000; // 1kHz steps
+    else if(b == QRadioTuner::SW)
+        step = 500; // 500Hz steps
+
+    return step;
+}
+
+QPair<int,int> S60RadioTunerControl::frequencyRange(QRadioTuner::Band band) const
+{
+    int bottomFreq;
+    int topFreq;
+    
+    int bandError = KErrNone;
+    TFmRadioFrequencyRange range;
+    
+    if (m_fmTunerUtility) {
+        bandError = m_fmTunerUtility->GetFrequencyRange(range, bottomFreq, topFreq);
+    }    
+    if (!bandError) {
+        return qMakePair<int,int>(bottomFreq, topFreq);
+    }
+    
+    return qMakePair<int,int>(0,0);
+}
+
+bool S60RadioTunerControl::isStereo() const
+{
+    return m_isStereo;
+}
+
+QRadioTuner::StereoMode S60RadioTunerControl::stereoMode() const
+{
+    return m_stereoMode;
+}
+
+void S60RadioTunerControl::setStereoMode(QRadioTuner::StereoMode mode)
+{
+	if (m_fmTunerUtility) { 
+	    if (QRadioTuner::ForceMono == mode) {
+	    	m_fmTunerUtility->ForceMonoReception(true);
+	    	m_stereoMode = QRadioTuner::ForceMono;
+			m_isStereo = false;
+	    } else {
+	    	m_fmTunerUtility->ForceMonoReception(false);
+			m_isStereo = true;
+			m_stereoMode = QRadioTuner::ForceStereo;
+	    }
+	}
+}
+
+int S60RadioTunerControl::signalStrength() const
+{
+    // return value is a percentage value
+    if (m_fmTunerUtility) {    
+        TInt maxSignalStrength;
+        TInt currentSignalStrength;
+        m_error = m_fmTunerUtility->GetMaxSignalStrength(maxSignalStrength);
+        
+        if (m_error == KErrNone) {
+            m_error = m_fmTunerUtility->GetSignalStrength(currentSignalStrength);
+            if (m_error == KErrNone) {
+				if (currentSignalStrength == 0 || maxSignalStrength == 0) {
+					return currentSignalStrength;
+				}
+                m_signal = currentSignalStrength / maxSignalStrength;                
+            }           
+        }
+    }
+    return m_signal;
+}
+
+int S60RadioTunerControl::volume() const
+{
+    return m_vol;
+}
+
+void S60RadioTunerControl::setVolume(int volume)
+{
+	if (m_playerUtility) {
+		m_vol = volume;
+		m_playerUtility->SetVolume(volume);
+		emit volumeChanged(m_vol);
+	}
+}
+
+bool S60RadioTunerControl::isMuted() const
+{
+    return m_muted;
+}
+
+void S60RadioTunerControl::setMuted(bool muted)
+{
+	if (m_playerUtility) {
+		m_muted = muted;
+		m_playerUtility->Mute(m_muted);  
+	} 
+}
+
+bool S60RadioTunerControl::isSearching() const
+{
+	return m_scanning;
+}
+
+void S60RadioTunerControl::cancelSearch()
+{
+	m_fmTunerUtility->CancelStationSeek();
+	m_scanning = false;
+	emit searchingChanged(false);
+}
+
+void S60RadioTunerControl::searchForward()
+{
+	m_fmTunerUtility->StationSeek(true);
+	m_scanning = true;
+	emit searchingChanged(true);
+}
+
+void S60RadioTunerControl::searchBackward()
+{
+	m_fmTunerUtility->StationSeek(false);
+	m_scanning = true;
+	emit searchingChanged(true);
+}
+
+bool S60RadioTunerControl::isValid() const
+{
+    return m_available;
+}
+
+bool S60RadioTunerControl::initRadio()
+{
+	m_available = false;	
+	// create an instance of Radio Utility factory and indicate
+	// FM Radio is a primary client
+	TRAPD(utilityError, 
+		m_radioUtility = CRadioUtility::NewL(ETrue);
+		// Get a tuner utility
+		m_fmTunerUtility = &m_radioUtility->RadioFmTunerUtilityL(*this);
+		// Get a player utility
+		m_playerUtility = &m_radioUtility->RadioPlayerUtilityL(*this);
+	);
+	if (utilityError != KErrNone) {
+        m_radioError = QRadioTuner::ResourceError;
+		return m_available;
+	}
+	
+	m_tunerControl = false;
+	
+	m_available = true;
+	return m_available;
+}
+
+bool S60RadioTunerControl::isAvailable() const
+{
+	return m_available;
+}
+
+QtMedia::AvailabilityError S60RadioTunerControl::availabilityError() const
+{
+	if (m_available)
+		return QtMedia::NoError;
+	else
+		return QtMedia::ResourceError;
+}
+
+void S60RadioTunerControl::start()
+{	
+	if (!m_tunerControl) {
+		m_fmTunerUtility->RequestTunerControl();
+		m_apiTunerState = QRadioTuner::ActiveState;
+		emit stateChanged(m_apiTunerState);
+	} else {
+		m_playerUtility->Play();
+		m_apiTunerState = QRadioTuner::ActiveState;
+		emit stateChanged(m_apiTunerState);
+	}
+		
+}
+
+void S60RadioTunerControl::stop()
+{
+	if (m_playerUtility) {
+		m_playerUtility->Stop();
+		m_apiTunerState = QRadioTuner::StoppedState;
+		emit stateChanged(m_apiTunerState);
+    }
+}
+
+QRadioTuner::Error S60RadioTunerControl::error() const
+{
+    return m_radioError;
+}
+QString S60RadioTunerControl::errorString() const
+{
+	return m_errorString;
+}
+
+void S60RadioTunerControl::MrpoStateChange(TPlayerState aState, TInt aError)
+{
+	if (aError == KErrNone){
+		m_radioError = QRadioTuner::NoError;
+		if (aState == ERadioPlayerIdle) {
+			m_apiTunerState = QRadioTuner::ActiveState;
+		} else if (aState == ERadioPlayerPlaying) {
+			m_apiTunerState = QRadioTuner::ActiveState;
+		}
+	}	
+	emit stateChanged(m_apiTunerState);
+}
+
+void S60RadioTunerControl::MrpoVolumeChange(TInt aVolume)
+{
+	m_vol = aVolume;
+    emit volumeChanged(m_vol);
+}
+
+void S60RadioTunerControl::MrpoMuteChange(TBool aMute)
+{
+	m_muted = aMute;
+	emit mutedChanged(m_muted);
+}
+
+void S60RadioTunerControl::MrpoBalanceChange(TInt aLeftPercentage, TInt aRightPercentage)
+{
+	// no actions
+}
+
+void S60RadioTunerControl::MrftoRequestTunerControlComplete(TInt aError)
+{
+	if (aError == KErrNone) {
+		m_playerUtility->GetMaxVolume(m_maxVolume);
+		m_radioError = QRadioTuner::NoError;
+		m_tunerControl = true;
+		m_available = true;
+		m_fmTunerUtility->SetFrequency(m_currentFreq);
+		m_playerUtility->Play();
+		int signal = signalStrength();		
+		if (m_signal != signal) {
+			emit signalStrengthChanged(signal);
+			m_signal = signal;
+		}
+
+	} else if (aError == KFmRadioErrAntennaNotConnected) {
+		m_radioError = QRadioTuner::OpenError;
+	} else if (aError == KErrAlreadyExists){
+		m_radioError = QRadioTuner::ResourceError;
+	} else if (aError == KFmRadioErrFrequencyOutOfBandRange) {
+		m_radioError = QRadioTuner::OutOfRangeError;
+	}else{
+		m_radioError = QRadioTuner::OpenError;
+	}
+
+}
+
+void S60RadioTunerControl::MrftoSetFrequencyRangeComplete(TInt aError)
+{
+	if (aError == KFmRadioErrFrequencyOutOfBandRange || KFmRadioErrFrequencyNotValid) {
+		m_radioError = QRadioTuner::OutOfRangeError;
+	} else if (aError == KFmRadioErrHardwareFaulty || KFmRadioErrOfflineMode) {
+		m_radioError = QRadioTuner::OpenError;
+	}
+}
+
+void S60RadioTunerControl::MrftoSetFrequencyComplete(TInt aError)
+{
+	if (aError == KErrNone) {
+		m_radioError = QRadioTuner::NoError;
+	} else if (aError == KFmRadioErrFrequencyOutOfBandRange || KFmRadioErrFrequencyNotValid) {
+		m_radioError = QRadioTuner::OutOfRangeError;
+	} else if (aError == KFmRadioErrHardwareFaulty || KFmRadioErrOfflineMode) {
+		m_radioError = QRadioTuner::OpenError;
+	}
+}
+
+void S60RadioTunerControl::MrftoStationSeekComplete(TInt aError, TInt aFrequency)
+{
+	m_scanning = false;
+	if (aError == KErrNone) {
+		m_radioError = QRadioTuner::NoError;
+		m_currentFreq = aFrequency;
+	} else {
+		m_radioError = QRadioTuner::OpenError;
+	}
+}
+
+void S60RadioTunerControl::MrftoFmTransmitterStatusChange(TBool aActive)
+{
+	//no actions
+}
+
+void S60RadioTunerControl::MrftoAntennaStatusChange(TBool aAttached)
+{
+	if (aAttached && m_tunerControl) {
+		m_playerUtility->Play();
+	}
+}
+
+void S60RadioTunerControl::MrftoOfflineModeStatusChange(TBool /*aOfflineMode*/)
+{
+
+}
+
+void S60RadioTunerControl::MrftoFrequencyRangeChange(TFmRadioFrequencyRange aBand /*, TInt aMinFreq, TInt aMaxFreq*/)
+{
+	if (aBand == EFmRangeEuroAmerica) {
+		setBand(QRadioTuner::FM);
+	} 
+}
+
+void S60RadioTunerControl::MrftoFrequencyChange(TInt aNewFrequency)
+{
+	m_currentFreq = aNewFrequency;
+	emit frequencyChanged(m_currentFreq);
+
+	int signal = signalStrength();
+	if (m_signal != signal) {
+		emit signalStrengthChanged(signal);
+		m_signal = signal;
+	}
+}
+
+void S60RadioTunerControl::MrftoForcedMonoChange(TBool aForcedMono)
+{
+	if (aForcedMono) {
+		m_stereoMode = QRadioTuner::ForceMono;
+	} else {
+		m_stereoMode = QRadioTuner::ForceStereo;
+	}	
+	emit stereoStatusChanged(!aForcedMono);
+}
+
+void S60RadioTunerControl::MrftoSquelchChange(TBool aSquelch)
+{
+	// no actions
+}