diff -r 95243422089a -r 491b3ed49290 filemanager/src/filemanager/src/fmmainwindow.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/src/filemanager/src/fmmainwindow.cpp	Tue Aug 31 15:06:05 2010 +0300
@@ -0,0 +1,77 @@
+/*
+ * 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:
+ *     Zhiqiang Yang <zhiqiang.yang@nokia.com>
+ * 
+ * Description:
+ *     The source file of File Manager main window
+ */
+
+#include "fmmainwindow.h"
+#include "fmcommon.h"
+
+#include <hbaction.h>
+
+FmMainWindow::FmMainWindow() : mViewManager( 0 ), mFirstViewLoaded( false )
+{
+   // connect(this, SIGNAL(viewReady()), this, SLOT(delayedLoading()));
+    init();
+}
+
+FmMainWindow::~FmMainWindow()
+{
+   //save file manager activity to activity manager.
+    mViewManager->saveActivity();   
+    FmViewManager::RemoveViewManager();
+}
+
+void FmMainWindow::onOrientationChanged( Qt::Orientation orientation )
+{
+	Q_UNUSED( orientation );
+	/*
+    if ( orientation == Qt::Vertical ) {
+        activateDriverView();
+    } else {
+        activateSplitView();
+    }
+	*/
+}
+
+void FmMainWindow::init()
+{
+    FM_LOG("FmMainWindow::init start");
+    mViewManager = FmViewManager::CreateViewManager( this );
+    mViewManager->createDriverView();
+    connect(this, SIGNAL(aboutToChangeView(HbView *, HbView *)), 
+            mViewManager, SLOT(onAboutToChangeView(HbView *, HbView *)));
+    connect( this, SIGNAL( orientationChanged( Qt::Orientation ) ),
+             this, SLOT( onOrientationChanged( Qt::Orientation ) ) );
+    
+    FM_LOG("FmMainWindow::init end");
+//    if ( orientation() == Qt::Vertical ) {
+//        createDriverView();
+//    } else {
+//        createSplitView();
+//    }
+}
+
+void FmMainWindow::delayedLoading()
+{
+    FM_LOG("FmMainWindow::delayedLoading start");
+    if( mFirstViewLoaded ) {
+        return;
+    }
+    init();
+    mFirstViewLoaded = true;
+    FM_LOG("FmMainWindow::delayedLoading end");
+}
+