--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/musichomescreen/mcpmusicplayer/src/filemonitor.cpp	Thu Dec 17 08:45:05 2009 +0200
@@ -0,0 +1,142 @@
+/*
+* Copyright (c) 2008-2008 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:  Monitors the file system for changes in a file.
+*
+*/
+
+
+#include <e32base.h>
+#include <bautils.h>
+#include <mpxlog.h>
+
+#include "filemonitor.h"
+#include "filemonitorobserver.h"
+
+
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CFileMonitor::CFileMonitor( MFileMonitorObserver& aObserver)
+        : CActive( EPriorityNormal ),
+        iObserver( aObserver ),
+        iFilePath( NULL )
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// Second Phase Constructor
+// ---------------------------------------------------------------------------
+//
+void CFileMonitor::ConstructL()
+    {
+    CActiveScheduler::Add( this );
+    User::LeaveIfError( iFs.Connect() );
+    }
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor
+// ---------------------------------------------------------------------------
+//
+CFileMonitor* CFileMonitor::NewL( MFileMonitorObserver& aObserver)
+    {
+    CFileMonitor* self = new( ELeave ) CFileMonitor( aObserver);
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CFileMonitor::~CFileMonitor()
+    {
+    Cancel();
+    iFs.Close();
+    delete iFilePath;
+    }
+
+// ---------------------------------------------------------------------------
+// Starts monitoring a particular file
+// ---------------------------------------------------------------------------
+//
+void CFileMonitor::StartL(  const TDesC& aFile)
+    {
+    MPX_DEBUG1("CFileMonitor::Start <---");
+
+    delete iFilePath;
+    iFilePath = NULL;
+    iFilePath = aFile.AllocL();
+		
+    TNotifyType notType = ENotifyAll;
+    iFs.NotifyChange( notType, iStatus, *iFilePath );
+    SetActive();
+    MPX_DEBUG1("CFileMonitor::Start --->");
+    }
+
+// ---------------------------------------------------------------------------
+// RunL callback
+// ---------------------------------------------------------------------------
+//
+void CFileMonitor::RunL()
+    {
+    MPX_DEBUG1("CFileMonitor::RunL <---");
+    if (!BaflUtils::FileExists(iFs, *iFilePath ))
+        {
+        iObserver.HandleFileRemovedL();
+        MPX_DEBUG1("CFileMonitor::RunL - File was removed");
+        }
+    else
+        {
+        // Listen again
+        TNotifyType notType(ENotifyAll);
+        iFs.NotifyChange(notType, iStatus, *iFilePath);
+        SetActive();
+        MPX_DEBUG1("CFileMonitor::RunL - File exists");
+        }
+    MPX_DEBUG1("CFileMonitor::RunL --->");
+    }
+
+// ---------------------------------------------------------------------------
+// Handle Cancelling
+// ---------------------------------------------------------------------------
+//
+void CFileMonitor::DoCancel()
+    {
+    MPX_DEBUG1("CFileMonitor::DoCancel <---");
+
+    // Stop monitoring
+    iFs.NotifyChangeCancel();
+    MPX_DEBUG1("CFileMonitor::DoCancel --->");
+
+    }
+
+// ----------------------------------------------------------------------------
+// Handles a leave occurring in the request completion event handler RunL()
+// ----------------------------------------------------------------------------
+//
+TInt CFileMonitor::RunError(TInt aError)
+    {
+    MPX_DEBUG2("CFileMonitor::RunError(%d)", aError );
+   
+    // Listen again
+    TNotifyType notType(ENotifyAll);
+    iFs.NotifyChange( notType, iStatus, *iFilePath );
+    SetActive();
+    return KErrNone;
+    }