diff -r c743ef5928ba -r f9ce957a272c homescreenapp/hsdomainmodel/src/hsscene.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/homescreenapp/hsdomainmodel/src/hsscene.cpp	Fri Mar 19 09:27:44 2010 +0200
@@ -0,0 +1,234 @@
+/*
+* 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 <HbInstance>
+#include "hsscene.h"
+#include "hsscene_p.h"
+#include "hsscenedata.h"
+#include "hspage.h"
+#include "hspagedata.h"
+#include "hswidgethost.h"
+#include "hsdatabase.h"
+#include "hswallpaper.h"
+#ifndef Q_OS_SYMBIAN
+#include "hsipcconnectiondispatcher.h"
+#endif
+
+HsScenePrivate::HsScenePrivate()
+    : mDatabaseId(-1),
+      mIsOnline(true),
+      mWallpaper(0),
+      mActivePage(0),
+      mActiveWidget(0)
+#ifndef Q_OS_SYMBIAN
+      ,mIpcConnectionDispatcher(0)
+#endif
+{
+    mWallpaper = new HsWallpaper;
+}
+ 
+HsScenePrivate::~HsScenePrivate()
+{
+    delete mWallpaper;
+    qDeleteAll(mPages);
+}
+    
+HsScene::~HsScene()
+{
+}
+
+int HsScene::databaseId() const
+{
+    return mD->mDatabaseId;
+}
+
+bool HsScene::load()
+{
+    HsDatabase *db = HsDatabase::instance();
+    Q_ASSERT(db);
+
+    HsSceneData sceneData;
+    if (!db->scene(sceneData)) {
+        return false;
+    }
+
+    if (sceneData.portraitWallpaper().isEmpty()) {
+        mD->mWallpaper->setImagesById();
+    } else {
+        mD->mWallpaper->setImagesByPaths(
+            sceneData.landscapeWallpaper(), 
+            sceneData.portraitWallpaper());
+    }
+
+    QList<HsPageData> pageDatas;
+    if (!db->pages(pageDatas) || pageDatas.empty()) {
+        return false;
+    }
+    
+    HsPage *page = 0;
+    foreach (HsPageData pageData, pageDatas) {
+        page = new HsPage;
+        page->setDatabaseId(pageData.id());
+        if (page->load()) {
+            mD->mPages << page;
+        } else {
+            qDebug() << "HsScene: Page loading failed.";
+            // TODO
+        }
+    }
+
+    int defaultPageIndex = sceneData.defaultPage().index();        
+    if(defaultPageIndex > -1){
+        mD->mActivePage = mD->mPages[defaultPageIndex];
+        mD->mActivePage->setRemovable(false);
+    }
+#ifndef Q_OS_SYMBIAN
+    mD->mIpcConnectionDispatcher = new HsIpcConnectionDispatcher("hs_content_publish");
+    mD->mIpcConnectionDispatcher->setParent(this);
+    return mD->mIpcConnectionDispatcher->start();
+#endif    
+}
+
+HsWallpaper *HsScene::wallpaper() const
+{
+    return mD->mWallpaper;
+}
+
+QList<HsPage *> HsScene::pages() const
+{
+    return mD->mPages;
+}
+    
+bool HsScene::addPage(HsPage *page)
+{
+    if (!page) {
+        return false;
+    }
+   
+    if (mD->mPages.contains(page)) {
+        return true;
+    }
+
+    HsDatabase *db = HsDatabase::instance();
+
+    HsPageData pageData;
+    if (!db->page(page->databaseId(), pageData, false)) {
+        return false;
+    }
+    int index = mD->mPages.count();
+    if (pageData.index() != index) {
+        pageData.setIndex(index);
+        if (!db->updatePage(pageData, false)) {
+            return false;
+        }
+    }
+    
+    mD->mPages << page;
+    return true;
+}
+    
+bool HsScene::removePage(HsPage *page)
+{
+    if (!page) {
+        return false;
+    }
+    return mD->mPages.removeOne(page);
+}
+ 
+bool HsScene::setActivePage(HsPage *page)
+{
+    if (!page) {
+        return false;
+    }
+   
+    if (!mD->mPages.contains(page)) {
+        return false;
+    }
+
+    mD->mActivePage = page;
+    return true;
+}
+
+bool HsScene::setActivePageIndex(int index)
+{
+    if (index < 0 || mD->mPages.count() <= index) {
+        return false;
+    }
+    return setActivePage(mD->mPages[index]);
+}
+
+HsPage *HsScene::activePage() const
+{
+    return mD->mActivePage;
+}
+
+int HsScene::activePageIndex() const
+{
+    return mD->mPages.indexOf(mD->mActivePage);
+}
+
+void HsScene::setActiveWidget(HsWidgetHost *widget)
+{
+    mD->mActiveWidget = widget;
+}
+ 
+HsWidgetHost *HsScene::activeWidget() const
+{
+    return mD->mActiveWidget;
+}
+/*!
+    Toggle application online state. Defaults 
+    to true.
+*/
+void HsScene::setOnline(bool online)
+{
+    mD->mIsOnline = online;
+    foreach (HsPage *page, mD->mPages) {
+        page->setOnline(online);
+    }
+}
+
+bool HsScene::isOnline()const
+{
+    return mD->mIsOnline;
+}
+
+HsScene *HsScene::instance()
+{
+    if (mInstance.isNull()) {
+        mInstance.reset(new HsScene);
+    }
+    return mInstance.data();
+}
+
+Qt::Orientation HsScene::orientation()
+{
+    return hbInstance->orientation();
+}
+
+HbMainWindow *HsScene::mainWindow()
+{
+    return hbInstance->allMainWindows().first();
+}
+
+HsScene::HsScene(QObject *parent)
+    : QObject(parent)
+{
+    mD.reset(new HsScenePrivate);
+}
+
+QScopedPointer<HsScene> HsScene::mInstance(0);