diff -r 2cd891dccbbe -r 1eb8015a8491 userguide/src/HelpMainWindow.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userguide/src/HelpMainWindow.cpp	Fri Apr 16 14:53:45 2010 +0300
@@ -0,0 +1,122 @@
+/*
+* 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: 
+*
+*/
+
+#include <hbnotificationdialog.h>
+#include <hbaction.h>
+
+#include "HelpCategoryView.h"
+#include "HelpContentsView.h"
+
+#include "HelpMainWindow.h"
+#include "HelpDocumentLoader.h"
+#include "HelpDataProvider.h"
+
+HelpMainWindow::HelpMainWindow() : 
+mCategoryView(NULL),
+mContentsView(NULL)
+{
+    activateCategoryView();
+}
+
+HelpMainWindow::~HelpMainWindow()
+{
+    HelpUIBuilder::destroyInstance();
+    HelpDataProvider::destroyInstance();
+}
+
+void HelpMainWindow::onActivateView(HelpViewName viewName)
+{
+	switch(viewName)
+	{
+	    case HelpViewCategory:
+            activateCategoryView();
+			break;
+
+	    case HelpViewContents:
+            activateContentsView();
+			break;
+
+	    default:
+	        break;
+	}
+}
+
+void HelpMainWindow::activateCategoryView()
+{
+    if(!mCategoryView)
+    {
+        HelpUIBuilder::load(QRC_DOCML_CATEGORY);
+        mCategoryView = HelpUIBuilder::findWidget<HelpCategoryView*>(DOCML_VIEW_CATEGORY);
+        addView(mCategoryView);
+        mCategoryView->init();
+        emit currentViewChanged(mCategoryView);
+		connectViewSignal(mCategoryView);
+    }
+
+    setCurrentView(mCategoryView);
+}
+
+void HelpMainWindow::activateContentsView()
+{
+    if(!mContentsView)
+    {
+        HelpUIBuilder::load(QRC_DOCML_CONTENTS);
+        mContentsView = HelpUIBuilder::findWidget<HelpContentsView*>(DOCML_VIEW_CONTENTS);
+        addView(mContentsView);
+        mContentsView->init();
+
+        connectViewSignal(mContentsView);
+    }
+
+    setCurrentView(mContentsView);
+}
+
+void HelpMainWindow::connectViewSignal(const QObject *object)
+{
+    connect(object, SIGNAL(activateView(HelpViewName)), this, SLOT(onActivateView(HelpViewName)));
+    
+    connect(object, SIGNAL(showAllList()), this, SLOT(onShowAllList()));
+    connect(object, SIGNAL(showFindList()), this, SLOT(onShowFindList()));
+    connect(object, SIGNAL(showOnlineSupport()), this, SLOT(onShowOnlineSupport()));
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////
+// handle view event
+
+void HelpMainWindow::onShowAllList()
+{
+    activateCategoryView();
+    mCategoryView->switchViewMode(HelpCategoryView::ViewModeAll);
+}
+
+void HelpMainWindow::onShowFindList()
+{
+    activateCategoryView();
+    mCategoryView->switchViewMode(HelpCategoryView::ViewModeSearch);
+}
+
+void HelpMainWindow::onShowOnlineSupport()
+{
+    HbNotificationDialog *notificationDialog = new HbNotificationDialog();
+    notificationDialog->setParent(this);
+    notificationDialog->setTitle(URL_LINK_SUPPORT);
+    notificationDialog->show();
+}
+
+// end of file
+