diff -r 63aabac4416d -r f54ebcfc1b80 radioapp/radiouiengine/src/radioscannerengine.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioapp/radiouiengine/src/radioscannerengine.cpp	Mon May 03 12:31:41 2010 +0300
@@ -0,0 +1,119 @@
+/*
+* 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>
+
+// User includes
+#include "radioscannerengine.h"
+#include "radioscannerengine_p.h"
+#include "radiouiengine.h"
+#include "radiouiengine_p.h"
+#include "radioenginewrapper.h"
+#include "radiostationhandlerif.h"
+#include "radiostationmodel.h"
+#include "radiostation.h"
+
+/*!
+ *
+ */
+RadioScannerEngine::RadioScannerEngine( RadioUiEnginePrivate& uiEngine ) :
+    QObject( &uiEngine.api() ),
+    d_ptr( new RadioScannerEnginePrivate( this, uiEngine ) )
+{
+}
+
+/*!
+ *
+ */
+RadioScannerEngine::~RadioScannerEngine()
+{
+    cancel();
+    Q_D( RadioScannerEngine );
+    if ( d->mMutedByScanner ) {
+        d->mUiEngine.api().toggleMute();
+    }
+    delete d_ptr;
+}
+
+/*!
+ * Starts the scanning from minimum frequency
+ */
+void RadioScannerEngine::startScanning()
+{
+    cancel();
+    Q_D( RadioScannerEngine );
+    if ( !d->mUiEngine.api().isMuted() ) {
+        d->mUiEngine.api().toggleMute();
+        d->mMutedByScanner = true;
+    }
+
+    d->mUiEngine.api().model().stationHandlerIf().removeLocalStations();
+    d->mLastFoundFrequency = d->mUiEngine.api().minFrequency();
+    d->mUiEngine.wrapper().tuneFrequency( d->mLastFoundFrequency, TuneReason::StationScanInitialization );
+}
+
+/*!
+ * Continues the scanning upwards from current frequency
+ */
+void RadioScannerEngine::continueScanning()
+{
+    Q_D( RadioScannerEngine );
+    d->mUiEngine.wrapper().startSeeking( Seeking::Up, TuneReason::StationScan );
+}
+
+/*!
+ * Cancels the scanning process
+ */
+void RadioScannerEngine::cancel()
+{
+    Q_D( RadioScannerEngine );
+    if ( d->mUiEngine.api().isScanning() ) {
+        d->mUiEngine.cancelSeeking();
+    }
+    if ( d->mMutedByScanner ) {
+        d->mUiEngine.api().toggleMute();
+        d->mMutedByScanner = false;
+    }
+}
+
+/*!
+ * Adds a new station that was found
+ */
+void RadioScannerEngine::addScannedFrequency( const uint frequency )
+{
+    Q_D( RadioScannerEngine );
+    if ( frequency > d->mLastFoundFrequency ) {
+        // Station has been found normally
+        d->mLastFoundFrequency = frequency;
+        d->addFrequencyAndReport( frequency );
+    } else if ( frequency == d->mUiEngine.api().minFrequency() ) {
+        // Special case. A station has been found in the mininmum frequency
+        d->addFrequencyAndReport( frequency );
+    } else {
+        // Seeking looped around the frequency band. Send invalid station as indicator that the scanning should stop
+        emit stationFound( RadioStation() );
+    }
+}
+
+/*!
+ *
+ */
+void RadioScannerEngine::emitStationFound( const RadioStation& station )
+{
+    emit stationFound( station );
+}