diff -r 2a40e88564c8 -r 4e84c994a771 mpviewplugins/mpcollectionviewplugin/src/mpcollectionsongscanner.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpviewplugins/mpcollectionviewplugin/src/mpcollectionsongscanner.cpp	Fri Mar 19 09:28:13 2010 +0200
@@ -0,0 +1,136 @@
+/*
+* 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: Music Player collection song scanner.
+*
+*/
+
+#include <hbprogressnote.h>
+
+#include "mpcollectionsongscanner.h"
+#include "mpmpxframeworkwrapper.h"
+#include "mptrace.h"
+
+/*!
+    \class MpCollectionSongScanner
+    \brief Music Player collection song scanner.
+
+    Song scanner interfaces with MPX Harvesting Framework to harvest
+    music files in the device.
+*/
+
+/*!
+ \fn void scanEnd()
+
+ This signal is emitted when scanning is ended.
+
+ \sa scan()
+*/
+
+/*!
+ Constructs the collection song scanner.
+ */
+MpCollectionSongScanner::MpCollectionSongScanner( MpMpxFrameworkWrapper *wrapper, QObject *parent )
+    : QObject(parent),
+      mMpxWrapper(wrapper),
+      mScanning(false),
+      mScanProgressNote(0)
+{
+    TX_ENTRY
+    connect( mMpxWrapper, SIGNAL(scanStarted()), this, SLOT(handleScanStarted()) );
+    connect( mMpxWrapper, SIGNAL(scanEnded()), this, SLOT(handleScanEnded()) );
+    connect( mMpxWrapper, SIGNAL(scanCountChanged(int)), this, SLOT(handleScanCountChanged(int)) );
+    TX_EXIT
+}
+
+/*!
+ Destructs the collection song scanner.
+ */
+MpCollectionSongScanner::~MpCollectionSongScanner()
+{
+    TX_ENTRY
+    if ( mScanProgressNote ) {
+        delete mScanProgressNote;
+    }
+    TX_EXIT
+}
+
+/*!
+ Initiates song scanning.
+ */
+void MpCollectionSongScanner::scan()
+{
+    mScanning = true;
+    mMpxWrapper->scan();
+}
+
+/*!
+ Returns true if scanning is ongoing.
+ */
+bool MpCollectionSongScanner::isScanning()
+{
+    return mScanning;
+}
+
+/*!
+ Cancels ongoing song scanning, if any.
+
+ \sa scan()
+ */
+void MpCollectionSongScanner::cancelScan()
+{
+    if ( mScanning ) {
+        mScanning = false;
+        mMpxWrapper->cancelScan();
+    }
+}
+
+/*!
+ Slot called upon notification from MPX Harvesting FW indicating start of
+ scanning process.
+ */
+void MpCollectionSongScanner::handleScanStarted()
+{
+    if ( !mScanProgressNote ) {
+        mScanProgressNote = new HbProgressNote(HbProgressNote::WaitNote);
+        connect(mScanProgressNote, SIGNAL(cancelled()), this, SLOT(cancelScan()));
+    }
+    mScanProgressNote->setText( QString("Scanning...") );
+    mScanProgressNote->show();
+}
+
+/*!
+ Slot called upon notification from MPX Harvesting FW indicating end of
+ scanning process.
+ */
+void MpCollectionSongScanner::handleScanEnded()
+{
+    if ( mScanning ) {
+        mScanning = false;
+        mScanProgressNote->cancel();
+    }
+    emit scanEnded();
+}
+
+/*!
+ Slot called upon notification from MPX Harvesting FW indicating the number of
+ songs scanned so far.
+ */
+void MpCollectionSongScanner::handleScanCountChanged(int count)
+{
+    QString added;
+    added.setNum(count);
+    added.append(" file(s) added.");
+    mScanProgressNote->setText(added);
+}
+