--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioapp/radiouiengine/src/radiomonitorservice.cpp	Tue Aug 31 15:15:02 2010 +0300
@@ -0,0 +1,323 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+// System includes
+#include <QTimer>
+#include <QRegExp>
+
+// User includes
+#include "radiomonitorservice.h"
+#include "radiouiengine.h"
+#include "radiouiengine_p.h"
+#include "radiostationmodel.h"
+#include "radioenginewrapper.h"
+#include "radioscannerengine.h"
+#include "radiostation.h"
+#include "radioservicedef.h"
+#include "radionotificationdata.h"
+#include "radiologger.h"
+
+// Constants
+const int NOTIFICATION_DELAY = 200;
+
+#define RUN_NOTIFY( type, data ) \
+    do { \
+        QVariant variant; \
+        variant.setValue( RadioNotificationData( RadioServiceNotification::type, data ) ); \
+        notify( variant ); \
+    } while ( 0 )
+
+/*!
+ *
+ */
+RadioMonitorService::RadioMonitorService( RadioUiEnginePrivate& engine ) :
+    XQServiceProvider( RADIO_SERVICE +"."+ RADIO_MONITOR_SERVICE, &engine.api() ),
+    mUiEngine( engine ),
+    mRadioStatus( RadioStatus::UnSpecified ),
+    mNotificationTimer( new QTimer( this ) )
+{
+    mNotificationTimer->setSingleShot( true );
+    mNotificationTimer->setInterval( NOTIFICATION_DELAY );
+    Radio::connect( mNotificationTimer, SIGNAL(timeout()),
+                    this,               SLOT(sendNotifications()) );
+
+    publishAll();
+}
+
+/*!
+ *
+ */
+RadioMonitorService::~RadioMonitorService()
+{
+}
+
+/*!
+ *
+ */
+void RadioMonitorService::init()
+{
+    RadioStationModel* stationModel = &mUiEngine.api().stationModel();
+    Radio::connect( stationModel,   SIGNAL(rowsRemoved(QModelIndex,int,int)),
+                    this,           SLOT(notifyFavoriteCount()) );
+    Radio::connect( stationModel,   SIGNAL(favoriteChanged(RadioStation)),
+                    this,           SLOT(notifyFavoriteCount()) );
+    Radio::connect( stationModel,   SIGNAL(stationDataChanged(RadioStation)),
+                    this,           SLOT(notifyStationChange(RadioStation)) );
+    Radio::connect( stationModel,   SIGNAL(radioTextReceived(RadioStation)),
+                    this,           SLOT(notifyStationChange(RadioStation)) );
+
+    RadioUiEngine* uiEngine = &mUiEngine.api();
+    Radio::connect( uiEngine,       SIGNAL(seekingStarted(int)),
+                    this,           SLOT(notifyRadioStatus()) );
+    Radio::connect( uiEngine,       SIGNAL(muteChanged(bool)),
+                    this,           SLOT(notifyRadioStatus()) );
+    Radio::connect( uiEngine,       SIGNAL(antennaStatusChanged(bool)),
+                    this,           SLOT(notifyRadioStatus()) );
+    Radio::connect( uiEngine,       SIGNAL(powerOffRequested()),
+                    this,           SLOT(notifyRadioStatus()) );
+
+    mUiEngine.wrapper().addObserver( this );
+
+    notifyRadioStatus();
+}
+
+/*!
+ * Public slot
+ *
+ */
+void RadioMonitorService::requestNotifications()
+{
+    //TODO: Uncomment when vendor id can be read from the client
+//    if ( requestInfo().clientVendorId() == NOKIA_VENDORID ) {
+        mRequestIndexes.append( setCurrentRequestAsync() );
+//    }
+}
+
+/*!
+ * Public slot
+ *
+ */
+void RadioMonitorService::requestAllData()
+{
+    RadioStationModel& stationModel = mUiEngine.api().stationModel();
+    const RadioStation station = stationModel.currentStation();
+
+    QVariantList notificationList;
+    QVariant notification;
+
+    RadioStatus::Status radioStatus = determineRadioStatus();
+    notification.setValue( RadioNotificationData( RadioServiceNotification::RadioStatus, radioStatus ) );
+    notificationList.append( notification );
+
+    notification.setValue( RadioNotificationData( RadioServiceNotification::FavoriteCount, stationModel.favoriteCount() ) );
+    notificationList.append( notification );
+
+    notification.setValue( RadioNotificationData( RadioServiceNotification::Frequency, RadioStation::parseFrequency( station.frequency() ) ) );
+    notificationList.append( notification );
+
+    if ( !station.name().isEmpty() ) {
+        notification.setValue( RadioNotificationData( RadioServiceNotification::Name, station.name() ) );
+        notificationList.append( notification );
+    }
+
+    if ( station.genre() > 0 ) {
+        notification.setValue( RadioNotificationData( RadioServiceNotification::Genre,
+                        mUiEngine.api().genreToString( station.genre(), GenreTarget::HomeScreen ) ) );
+        notificationList.append( notification );
+    }
+
+    if ( !station.radioText().isEmpty() ) {
+        const QString trimmedRadioText = trimHtmlTags( station.radioText() );
+        notification.setValue( RadioNotificationData( RadioServiceNotification::RadioText, trimmedRadioText ) );
+        notificationList.append( notification );
+    }
+
+    if ( !station.dynamicPsText().isEmpty() ) {
+        notification.setValue( RadioNotificationData( RadioServiceNotification::DynamicPS, station.dynamicPsText() ) );
+        notificationList.append( notification );
+    }
+
+    checkIfCurrentStationIsFavorite();
+
+    completeRequest( setCurrentRequestAsync(), notificationList );
+}
+
+/*!
+ * Private slot
+ */
+void RadioMonitorService::notifyRadioStatus()
+{
+    RadioStatus::Status radioStatus = determineRadioStatus();
+
+    if ( radioStatus != mRadioStatus ) {
+        if ( radioStatus == RadioStatus::Seeking ) {
+            if ( RadioScannerEngine* scannerEngine = mUiEngine.api().scannerEngine() ) {
+                Radio::connect( scannerEngine,  SIGNAL(destroyed()),
+                                this,           SLOT(notifyRadioStatus()) );
+            }
+        }
+
+        mRadioStatus = radioStatus;
+        RUN_NOTIFY( RadioStatus, radioStatus );
+    }
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioMonitorService::notifyFavoriteCount()
+{
+    const int favoriteCount = mUiEngine.api().stationModel().favoriteCount();
+    RUN_NOTIFY( FavoriteCount, favoriteCount );
+
+    if ( favoriteCount == 1 ) {
+        checkIfCurrentStationIsFavorite();
+    }
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioMonitorService::notifyStationChange( const RadioStation& station )
+{
+    RadioUiEngine& uiEngine = mUiEngine.api();
+    if ( uiEngine.isScanning() ) {
+        return;
+    }
+
+    QVariantList list;
+    QVariant notification;
+
+    if ( station.hasDataChanged( RadioStation::GenreChanged ) ) {
+        const QString genre = uiEngine.genreToString( station.genre(), GenreTarget::HomeScreen );
+        notification.setValue( RadioNotificationData( RadioServiceNotification::Genre, genre ) );
+        list.append( notification );
+    }
+
+    if ( station.hasDataChanged( RadioStation::DynamicPsChanged ) ) {
+        notification.setValue( RadioNotificationData( RadioServiceNotification::DynamicPS, station.dynamicPsText() ) );
+        list.append( notification );
+    }
+
+    if ( station.hasDataChanged( RadioStation::NameChanged ) ) {
+        notification.setValue( RadioNotificationData( RadioServiceNotification::Name, station.name() ) );
+        list.append( notification );
+    }
+
+    if ( station.hasDataChanged( RadioStation::RadioTextChanged ) ) {
+        const QString trimmedRadioText = trimHtmlTags( station.radioText() );
+        notification.setValue( RadioNotificationData( RadioServiceNotification::RadioText, trimmedRadioText ) );
+        list.append( notification );
+    }
+
+    notifyList( list );
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioMonitorService::sendNotifications()
+{
+    notifyList( mNotificationList );
+    mNotificationList.clear();
+}
+
+/*!
+ * \reimp
+ */
+void RadioMonitorService::tunedToFrequency( uint frequency, int reason )
+{
+    Q_UNUSED( reason );
+    if ( !mUiEngine.api().isScanning() ) {
+        RUN_NOTIFY( Frequency, RadioStation::parseFrequency( frequency ) );
+        RadioStation station;
+        if ( mUiEngine.api().stationModel().findFrequency( frequency, station ) && !station.name().isEmpty() ) {
+            RUN_NOTIFY( Name, station.name() );
+        }
+
+        const int favoriteCount = mUiEngine.api().stationModel().favoriteCount();
+        if ( favoriteCount == 1 ) {
+            checkIfCurrentStationIsFavorite();
+        }
+    }
+}
+
+/*!
+ *
+ */
+RadioStatus::Status RadioMonitorService::determineRadioStatus() const
+{
+    RadioUiEngine& uiEngine = mUiEngine.api();
+    if ( uiEngine.isPoweringOff() ) {
+        return RadioStatus::PoweringOff;
+    } else if ( uiEngine.isScanning() ) {
+        return RadioStatus::Seeking;
+    } else if ( !uiEngine.isAntennaAttached() ) {
+        return RadioStatus::NoAntenna;
+    } else if ( uiEngine.isMuted() ) {
+        return RadioStatus::Muted;
+    }
+
+    return RadioStatus::Playing;
+}
+
+/*!
+ *
+ */
+void RadioMonitorService::checkIfCurrentStationIsFavorite()
+{
+    const bool currentIsFavorite = mUiEngine.api().stationModel().currentStation().isFavorite();
+    RUN_NOTIFY( CurrentIsFavorite, currentIsFavorite );
+}
+
+/*!
+ *
+ */
+QString RadioMonitorService::trimHtmlTags( const QString& html )
+{
+    QString trimmed = html;
+    QRegExp rex( "<.+>" );
+    rex.setMinimal( true );
+    trimmed.remove( rex );
+    return trimmed;
+}
+
+/*!
+ *
+ */
+void RadioMonitorService::notify( const QVariant& notification )
+{
+    mNotificationTimer->stop();
+    mNotificationList.append( notification );
+    mNotificationTimer->start();
+}
+
+/*!
+ *
+ */
+void RadioMonitorService::notifyList( const QVariantList& list )
+{
+    if ( mRequestIndexes.count() > 0 && list.count() > 0 ) {
+        foreach ( int requestIndex, mRequestIndexes ) {
+            completeRequest( requestIndex, list );
+        }
+        mRequestIndexes.clear();
+    }
+}