--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browsercore/appfw/ThumbnailEngine/TnEngineHandler.h	Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,142 @@
+/*
+* 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: 
+*
+*/
+
+
+#ifndef __TNENGINEHANDLER_H__
+#define __TNENGINEHANDLER_H__
+
+#include <QTimer>
+#include <QPainter>
+
+namespace WRT {
+
+    class TnEngineGenerator;
+    class TnEngineView;
+    class WrtBrowserContainer;
+    class WrtPageManager;
+
+    class TnEngineHandler : public QObject
+    {
+        Q_OBJECT
+    public:
+        ~TnEngineHandler();
+        TnEngineHandler(WrtPageManager * mgr, QWidget * parent);
+
+    public:
+        void setVisible(bool visible);
+        bool isVisible() const { return m_visible; }
+        void setZoomOutLevel(int percent) { m_zoomOutLevel = percent; }
+        int zoomOutLevel() const { return m_zoomOutLevel; }
+        QRect theRect() const;
+        QRect indicatorRect() const;
+        TnEngineView* tnEngineView() { return m_TnEngineView; }
+
+        void drawDocumentPart(QPainter& painter, const QRect& documentAreaToDraw);
+        QRect documentViewport() const;
+        void scaledPageChanged(const QRect& area, bool fullScreen, bool scroll);
+        QSize documentSize() const;
+
+    public slots:
+        void documentStarted();
+        void documentChanged();
+        void documentCompleted(bool);
+        void documentViewportMoved();
+
+    public:
+        QRect TnEngineRect() const;
+        void draw(QPainter& gc, const QRect& rect) const;
+        QRect containerRect() const;
+        void setContainerRect(const QRect& rect);
+        bool isFullScreenMode() const;
+        void setFullScreenMode(bool fullScreenMode);
+        void updateNow();
+        QRect viewportOnDocument() const;
+
+    public slots:
+
+        void updateCbTimerCb();
+        void updateTimerCb();
+        void scrollBy(int x, int y);
+        void draggingStarted();
+        void draggingEnded();
+
+    signals:
+        void ok(int x, int y);
+
+    private slots:
+        void okInvoked();
+
+    private:
+        friend class TnEngineGenerator;
+
+        void createGenerator();
+        void destroyGenerator();
+        void createView();
+        void destroyView();
+        QRect fromDocCoords(const QRect& from) const;
+        QPoint fromDocCoords(const QPoint& from) const;
+        QSize fromDocCoords(const QSize& from) const;
+        QRect toDocCoords(const QRect& from) const;
+        QPoint toDocCoords(const QPoint& from) const;
+        QSize toDocCoords(const QSize& from) const;
+        bool checkAndCreateBitmap(QSize size, QPixmap*& image);
+        QSize calcSize() const;
+        QRect calcViewportOnDocument() const;
+        void documentChangedCb();
+        void scrollTimerCb();
+        void visibilityTimerCb();
+        QRect viewportOnTnEngine() const;
+
+        void activate();
+        void deactivate();
+
+    public:
+        QWidget* widget();
+        bool isDocumentComplete() const { return m_documentComplete; }
+
+    private:
+        // Page Manager
+        WrtPageManager * m_pageMgr;
+    
+
+        // generator
+        TnEngineGenerator* m_generator;
+        // zoom level of the TnEngine in percent
+        int m_zoomOutLevel;
+        QRect m_viewportOnDocument;
+        bool m_needsUpdate;
+        QTimer* m_updateTimer;
+        QTimer* m_updateCbTimer;
+        bool m_documentComplete;
+        QRect m_containerRect;
+        bool m_fullScreenMode;
+        bool m_visible;
+        bool m_pageScalerUpdating;
+        WrtBrowserContainer* m_activePage;
+        QPoint m_savedPointPageView;
+        TnEngineView* m_TnEngineView;
+        qreal m_scrollX;
+        qreal m_scrollY;
+        bool m_dragging;
+
+        QWidget * m_parentWidget;
+    };
+
+}
+#endif
+
+// End of File