qtmobility/plugins/multimedia/symbian/mmf/radio/s60radiotunercontrol_31.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_31.cpp	Mon May 03 13:18:40 2010 +0300
@@ -0,0 +1,454 @@
+/****************************************************************************
+**
+** 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_31.h"
+#include "s60radiotunerservice.h"
+
+#include <QtCore/qdebug.h>
+#include <QFile>
+
+// from AudioPreference.h
+const TInt KAudioPriorityFMRadio = 79;
+const TUint KAudioPrefRadioAudioEvent = 0x03000001;
+
+S60RadioTunerControl::S60RadioTunerControl(QObject *parent)
+    : QRadioTunerControl(parent)
+    , m_error(0)
+    , m_tunerState(0)
+    , m_apiTunerState(QRadioTuner::StoppedState)
+    , m_audioInitializationComplete(false)
+    , m_radioError(QRadioTuner::NoError)
+    , m_muted(false)
+    , m_isStereo(true)
+    , m_stereoMode(QRadioTuner::Auto)
+    , m_signal(0)
+    , m_currentBand(QRadioTuner::FM)
+    , m_currentFreq(87500000)
+    , m_scanning(false)
+    , m_vol(100)
+{
+    initRadio();   
+}
+
+S60RadioTunerControl::~S60RadioTunerControl()
+{
+	if (m_tunerUtility) {
+	    m_tunerUtility->Close();
+		m_tunerUtility->CancelNotifyChange();
+		m_tunerUtility->CancelNotifySignalStrength();
+		m_tunerUtility->CancelNotifyStereoChange();
+		delete m_tunerUtility;
+	}
+	if (m_audioPlayerUtility) {
+		m_audioPlayerUtility = NULL;
+	}
+}
+
+bool S60RadioTunerControl::initRadio()
+{
+	m_available = false;
+
+	TRAPD(tunerError, m_tunerUtility = CMMTunerUtility::NewL(*this, CMMTunerUtility::ETunerBandFm, 1, 
+												CMMTunerUtility::ETunerAccessPriorityNormal));
+	if (tunerError != KErrNone) {
+        m_radioError = QRadioTuner::OpenError;
+        return m_available;
+    }
+	
+	TRAPD(playerError, m_audioPlayerUtility = m_tunerUtility->TunerPlayerUtilityL(*this));
+	if (playerError != KErrNone) {
+		m_radioError = QRadioTuner::OpenError;
+		return m_available;
+	}
+	
+	TRAPD(initializeError, m_audioPlayerUtility->InitializeL(KAudioPriorityFMRadio, 
+												TMdaPriorityPreference(KAudioPrefRadioAudioEvent)));
+	if (initializeError != KErrNone) {
+		m_radioError = QRadioTuner::OpenError;
+		return m_available;
+	}
+		
+	m_tunerUtility->NotifyChange(*this);
+	m_tunerUtility->NotifyStereoChange(*this);
+	m_tunerUtility->NotifySignalStrength(*this);
+	setVolume(m_audioPlayerUtility->MaxVolume()/2);
+	
+	TFrequency freq(m_currentFreq);
+	m_tunerUtility->Tune(freq);
+		
+	m_available = true;
+	
+    return m_available;
+}
+
+void S60RadioTunerControl::start()
+{
+	if (!m_audioInitializationComplete) {
+		TFrequency freq(m_currentFreq);
+		m_tunerUtility->Tune(freq);
+	} else {
+		m_audioPlayerUtility->Play();
+	}
+
+	m_apiTunerState = QRadioTuner::ActiveState;
+	emit stateChanged(m_apiTunerState);
+}
+
+void S60RadioTunerControl::stop()
+{
+    if (m_audioPlayerUtility) {
+		m_audioPlayerUtility->Stop();
+		m_apiTunerState = QRadioTuner::StoppedState;
+		emit stateChanged(m_apiTunerState);
+    }		
+}
+
+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;
+    TFrequency freq(m_currentFreq);
+    m_tunerUtility->Tune(freq);
+}
+
+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
+{
+	TFrequency bottomFreq;
+	TFrequency topFreq;
+	int bandError = KErrNone;
+   
+	if (m_tunerUtility){
+		bandError = m_tunerUtility->GetFrequencyBandRange(bottomFreq, topFreq);	   
+		if (!bandError) {
+			return qMakePair<int,int>(bottomFreq.iFrequency, topFreq.iFrequency);
+		}
+	}  
+   return qMakePair<int,int>(0,0);
+}
+
+CMMTunerUtility::TTunerBand S60RadioTunerControl::getNativeBand(QRadioTuner::Band b) const
+{
+    // api match to native s60 bands    
+    if (b == QRadioTuner::AM)
+        return CMMTunerUtility::ETunerBandAm;
+    else if (b == QRadioTuner::FM)
+        return CMMTunerUtility::ETunerBandFm;
+    else if (b == QRadioTuner::LW)
+        return CMMTunerUtility::ETunerBandLw;
+    else
+        return CMMTunerUtility::ETunerNoBand;
+}
+
+bool S60RadioTunerControl::isStereo() const
+{
+    return m_isStereo;
+}
+
+QRadioTuner::StereoMode S60RadioTunerControl::stereoMode() const
+{
+    return m_stereoMode;
+}
+
+void S60RadioTunerControl::setStereoMode(QRadioTuner::StereoMode mode)
+{
+	m_stereoMode = mode;
+	if (m_tunerUtility) {	    
+	    if (QRadioTuner::ForceMono == mode)
+	        m_tunerUtility->ForceMonoReception(true);
+	    else 
+	        m_tunerUtility->ForceMonoReception(false);
+	}	
+}
+
+int S60RadioTunerControl::signalStrength() const
+{
+    // return value is a percentage value
+    if (m_tunerUtility) {       
+        TInt maxSignalStrength;
+        TInt currentSignalStrength;
+        m_error = m_tunerUtility->GetMaxSignalStrength(maxSignalStrength);       
+        if (m_error == KErrNone) {
+            m_error = m_tunerUtility->GetSignalStrength(currentSignalStrength);
+            if (m_error == KErrNone) {
+				if (maxSignalStrength == 0 || currentSignalStrength == 0) {
+					return 0;
+				}
+				m_signal = (currentSignalStrength/maxSignalStrength)*100; 
+            }           
+        }
+    }
+    return m_signal;
+}
+
+int S60RadioTunerControl::volume() const
+{
+    return m_vol;
+}
+
+void S60RadioTunerControl::setVolume(int volume)
+{
+    if (m_audioPlayerUtility) {
+		m_vol = volume;
+		TInt error = m_audioPlayerUtility->SetVolume(m_vol);
+		emit volumeChanged(m_vol);
+    }
+}
+
+bool S60RadioTunerControl::isMuted() const
+{
+    return m_muted;
+}
+
+void S60RadioTunerControl::setMuted(bool muted)
+{
+    if (m_audioPlayerUtility && m_audioInitializationComplete) {
+        m_muted = muted;
+        m_audioPlayerUtility->Mute(m_muted);
+        emit mutedChanged(m_muted);           
+    }
+}
+
+bool S60RadioTunerControl::isSearching() const
+{
+    if (m_tunerUtility) {
+    	TUint32 tempState;
+    	m_tunerUtility->GetState(tempState);
+    	if (tempState == CMMTunerUtility::ETunerStateRetuning || m_scanning) {
+			return true;
+    	} else
+    		return false;
+    }
+    return true;
+}
+
+void S60RadioTunerControl::cancelSearch()
+{
+	m_tunerUtility->CancelRetune();
+	m_scanning = false;
+	emit searchingChanged(false);
+}
+
+void S60RadioTunerControl::searchForward()
+{
+	m_scanning = true;
+	setVolume(m_vol);
+	m_tunerUtility->StationSeek(CMMTunerUtility::ESearchDirectionUp);
+	emit searchingChanged(true);
+}
+
+void S60RadioTunerControl::searchBackward()
+{
+	m_scanning = true;
+	setVolume(m_vol);
+	m_tunerUtility->StationSeek(CMMTunerUtility::ESearchDirectionDown);
+	emit searchingChanged(true);
+}
+
+bool S60RadioTunerControl::isValid() const
+{
+    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;
+}
+
+QRadioTuner::Error S60RadioTunerControl::error() const
+{
+    return m_radioError;
+}
+
+QString S60RadioTunerControl::errorString() const
+{
+	return m_errorString;
+}
+
+void S60RadioTunerControl::MToTuneComplete(TInt aError)
+{
+	if (aError == KErrNone) {
+		m_scanning = false;
+		m_audioPlayerUtility->Play();
+		if (!m_audioInitializationComplete) {
+		TRAPD(initializeError, m_audioPlayerUtility->InitializeL(KAudioPriorityFMRadio, 
+                                                        TMdaPriorityPreference(KAudioPrefRadioAudioEvent)));
+			if (initializeError != KErrNone) {
+				m_radioError = QRadioTuner::OpenError;
+			}
+		}
+	}
+}
+
+void S60RadioTunerControl::MTcoFrequencyChanged(const TFrequency& aOldFrequency, const TFrequency& aNewFrequency)
+{
+	m_currentFreq = aNewFrequency.iFrequency;
+	m_scanning = false;
+	emit frequencyChanged(m_currentFreq);
+}
+
+void S60RadioTunerControl::MTcoStateChanged(const TUint32& aOldState, const TUint32& aNewState)
+{
+	if (aNewState == CMMTunerUtility::ETunerStateActive) {
+		m_apiTunerState = QRadioTuner::ActiveState;
+	}
+	if (aNewState == CMMTunerUtility::ETunerStatePlaying) {
+		m_apiTunerState = QRadioTuner::ActiveState;
+	}	
+	if (aOldState != aNewState){
+		emit stateChanged(m_apiTunerState);
+	}
+}
+
+void S60RadioTunerControl::MTcoAntennaDetached()
+{
+	// no actions
+}
+
+void S60RadioTunerControl::MTcoAntennaAttached()
+{
+	// no actions
+}
+
+void S60RadioTunerControl::FlightModeChanged(TBool aFlightMode)
+{
+	// no actions
+}
+
+void S60RadioTunerControl::MTsoStereoReceptionChanged(TBool aStereo)
+{
+	m_isStereo = aStereo;
+	emit stereoStatusChanged(aStereo);
+}
+
+void S60RadioTunerControl::MTsoForcedMonoChanged(TBool aForcedMono)
+{
+	if (aForcedMono) {
+		m_stereoMode = QRadioTuner::ForceMono;
+	}
+}
+
+void S60RadioTunerControl::MssoSignalStrengthChanged(TInt aNewSignalStrength)
+{
+	m_signal = aNewSignalStrength;
+	emit signalStrengthChanged(m_signal);
+}
+
+void S60RadioTunerControl::MTapoInitializeComplete(TInt aError)
+{
+	if (aError == KErrNone) {
+		m_audioInitializationComplete = true;
+		m_available = true;
+		m_audioPlayerUtility->Play();
+		m_apiTunerState = QRadioTuner::ActiveState;
+		emit stateChanged(m_apiTunerState);
+	} else if (aError != KErrNone) {
+		m_radioError = QRadioTuner::OpenError;
+	}
+}
+
+void S60RadioTunerControl::MTapoPlayEvent(TEventType aEvent, TInt aError, TAny* aAdditionalInfo)
+{
+	// no actions
+}
+
+
+