/*******************************************************************************

 * Copyright (c) 2007, 2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     Nokia Corporation - S60 implementation

 *******************************************************************************/

#ifndef SWTBROWSERLAYOUTOBSERVER_H

#define SWTBROWSERLAYOUTOBSERVER_H

#include <brctllayoutobserver.h>

#include <eiksbfrm.h>

class CSwtBrowser;

class CEikScrollBarFrame;

class TEikScrollBarModel;

/**

 * CSwtBrowserContainer

 * Handle scrollbar events.

 * This class implements MBrCtlLayoutObserver, which registers for loyout events.

 * @lib eswt

 */

NONSHARABLE_CLASS(CSwtBrowserLayoutObserver)

        : public CBase

        , public MBrCtlLayoutObserver

{

public:

    /**

     * Constructor.

     * @param aContainer The pointer points to the scrollbar frame

     */

    CSwtBrowserLayoutObserver(CEikScrollBarFrame* aSbFrame);

    /**

     * Destructor.

     */

    ~CSwtBrowserLayoutObserver();

// From MBrCtlLayoutObserver

    void UpdateBrowserVScrollBarL(TInt aDocumentHeight,

                                  TInt aDisplayHeight, TInt aDisplayPosY) ;

    void UpdateBrowserHScrollBarL(TInt aDocumentWidth,

                                  TInt aDisplayWidth, TInt aDisplayPosX) ;

    void NotifyLayoutChange(TBrCtlLayout aNewLayout) ;

    void UpdateTitleL(const TDesC& aTitle);

private:   // data

    /**

     * Model of horizontal scroll bar.

     */

    TEikScrollBarModel iHModel;

    /**

     * Model of vertical scroll bar.

     */

    TEikScrollBarModel iVModel;

    /**

     * Horizontal scroll bar.

     * Not own

     */

    CEikScrollBar* iHScrollBar;

    /**

     * Vertical scroll bar.

     * Not own

     */

    CEikScrollBar* iVScrollBar;

    /**

     * The scroll bar frame.

     * Not own

     */

    CEikScrollBarFrame* iSbFrame;

};

#endif // SWTBROWSERLAYOUTOBSERVER_H