--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioapp/radioenginewrapper/src/radiofrequencyscanninghandler.cpp	Fri Mar 19 09:29:04 2010 +0200
@@ -0,0 +1,109 @@
+/*
+* 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 "radiofrequencyscanninghandler.h"
+#include "radioenginewrapper_p.h"
+#include "cradioenginehandler.h"
+#include "radiostationhandlerif.h"
+
+/*!
+ *
+ */
+RadioFrequencyScanningHandler::RadioFrequencyScanningHandler( RadioEngineWrapperPrivate& radioEngine ) :
+    QObject( 0 ),
+    mEngine( radioEngine ),
+    mLastFoundFrequency( 0 )
+{
+}
+
+/*!
+ * From MRadioScanObserver
+ *
+ */
+void RadioFrequencyScanningHandler::ScanFrequencyEventL( TUint32 aFrequency )
+{
+    // The scanning logic starts from the minimun frequency and advances as long as
+    // the found frequency is higher than the last one. When it loops around from the highest
+    // frequency back to the lowest one we check if it stops at the minimun frequency and
+    // add the station there. This logic handles the special case where there is a station in the
+    // minimum frequency, but does not work if there are no stations at all. The adaptation has a
+    // timeout timer that stops the scanning if nothing is found and reports the scanning start
+    // frequency which is this case will be the minimum frequency. In that case this logic will
+    // assume that it was an audible station and adds it.
+
+    uint frequency = static_cast<uint>( aFrequency );
+    mEngine.mStationHandler.setCurrentStation( frequency );
+    if ( frequency > mLastFoundFrequency ) {
+        mLastFoundFrequency = frequency;
+        addFoundStation( frequency );
+    } else if ( frequency == mEngine.mEngineHandler->MinFrequency() ) {
+        // Special case. A station has been found in the mininmum frequency
+        addFoundStation( frequency );
+    }
+}
+
+/*!
+ * From MRadioScanObserver
+ *
+ */
+void RadioFrequencyScanningHandler::ScanCompletedEventL( TInt aError )
+{
+    Q_UNUSED( aError )
+  
+    mEngine.frequencyScannerFinished(); // Causes the scanner to be deleted so nothing can be done after this
+}
+
+
+/*!
+ * Starts the scanning
+ */
+void RadioFrequencyScanningHandler::startScanning( bool muted )
+{
+    cancel();
+    QTimer::singleShot( 1000, this, SLOT(delayedStart()) );
+}
+
+/*!
+ * Adds a new station that was found
+ */
+void RadioFrequencyScanningHandler::addFoundStation( const uint frequency )
+{
+    mEngine.mStationHandler.addScannedFrequency( frequency );
+}
+
+/*!
+ * Cancels the scanning process
+ */
+void RadioFrequencyScanningHandler::cancel()
+{
+    mEngine.mEngineHandler->StopScan();
+}
+
+/*!
+ *
+ */
+void RadioFrequencyScanningHandler::delayedStart()
+{
+    mEngine.mStationHandler.removeLocalStations();
+
+    mLastFoundFrequency = mEngine.mEngineHandler->MinFrequency();
+    mEngine.mEngineHandler->StartScan( *this );
+}