--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioapp/radiowidgets/src/radiofrequencyscanner.cpp	Fri Mar 19 09:29:04 2010 +0200
@@ -0,0 +1,120 @@
+/*
+* 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 <hbprogressdialog.h>
+
+// User includes
+#include "radiofrequencyscanner.h"
+#include "radiolocalization.h"
+#include "radiouiengine.h"
+#include "radiologger.h"
+#include "radiostationmodel.h"
+
+// Constants
+const int KExtraRoomToMaxValue = 100000;
+
+/*!
+ *
+ */
+RadioFrequencyScanner::RadioFrequencyScanner( RadioUiEngine& uiEngine, QObject* parent ) :
+    QObject( parent ),
+    mUiEngine( uiEngine ),
+    mScanningProgressNote( new HbProgressDialog( HbProgressDialog::ProgressDialog ) ),
+    mChannelCount( 0 ),
+    mMinFrequency( 0 )
+{
+    mScanningProgressNote->setModal( true );
+    mScanningProgressNote->setAutoClose( true );
+
+    mMinFrequency = mUiEngine.minFrequency();
+
+    // Add some extra to the maximum value to allow room for the station at the low band edge
+    mScanningProgressNote->setRange( mMinFrequency, mUiEngine.maxFrequency() + KExtraRoomToMaxValue );
+    mScanningProgressNote->setProgressValue( mMinFrequency );
+    mScanningProgressNote->setText( TRANSLATE( KProgressTitleScanStations ) );
+
+    RadioStationModel* stationModel = &mUiEngine.model();
+    connectAndTest( stationModel,           SIGNAL(stationAdded(RadioStation)),
+                    this,                   SLOT(updateScanAndSaveProgress(RadioStation)) );
+
+    connectAndTest( &mUiEngine,             SIGNAL(scanAndSaveFinished()),
+                    this,                   SLOT(scanAndSavePresetsFinished()) );
+
+    connectAndTest( mScanningProgressNote,  SIGNAL(cancelled()),
+                    this,                   SLOT(scanAndSavePresetsCancelled()) );
+}
+
+/*!
+ *
+ */
+void RadioFrequencyScanner::startScanning()
+{
+    mUiEngine.scanFrequencyBand();
+    mScanningProgressNote->show();
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioFrequencyScanner::updateScanAndSaveProgress( const RadioStation& station )
+{
+    const uint frequency = station.frequency();
+    LOG_FORMAT( "RadioFrequencyScanner::updateScanAndSaveProgress frequency: %d", frequency );
+
+    // Check for special case that can happen during scanning.
+    // If there is a valid radio station at the low frequency band edge it will be reported last after
+    // all of the higher frequencies. We don't update the progress value here because the value would
+    // be lower than the previous one. The progress value is set to maximum when the scanner finishes.
+    if ( frequency != mMinFrequency ) {
+        mScanningProgressNote->setProgressValue( frequency );
+    }
+
+    ++mChannelCount;
+    mScanningProgressNote->setText( QString( TRANSLATE( KProgressTitleStationsFound ) ).arg( mChannelCount ) );
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioFrequencyScanner::scanAndSavePresetsFinished()
+{
+    mScanningProgressNote->setProgressValue( mScanningProgressNote->maximum() );
+
+    disconnect( &mUiEngine.model(),     SIGNAL(stationAdded(RadioStation)),
+                this,                   SLOT(updateScanAndSaveProgress(RadioStation)) );
+    disconnect( &mUiEngine,             SIGNAL(scanAndSaveFinished()),
+                this,                   SLOT(scanAndSavePresetsFinished()) );
+
+    emit frequencyScannerFinished();
+    mScanningProgressNote->deleteLater();
+    deleteLater();
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioFrequencyScanner::scanAndSavePresetsCancelled()
+{
+    mUiEngine.cancelScanFrequencyBand();
+    scanAndSavePresetsFinished();
+    mScanningProgressNote = 0;
+    mChannelCount = 0;
+}