/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Handle scrollbar and tab events

*

*/

//  INCLUDES

#include <../bidi.h>

#include "BrCtlLayoutObserverImpl.h"

#include "WebView.h"

#include "WebFrame.h"

#include "WebFrameView.h"

#include "BrCtl.h"

#include "Page.h"

#include "FocusController.h"

#include "Frame.h"

#include <wtf/RefPtr.h>

using namespace WebCore;

// -----------------------------------------------------------------------------

// CBrCtlLayoutObserver::CBrCtlLayoutObserver

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CBrCtlLayoutObserver::CBrCtlLayoutObserver( WebView* aWebView)

                  : m_webView(aWebView)

    {

    }

// -----------------------------------------------------------------------------

// CBrCtlLayoutObserver::NotifyLayoutChange

// Inform the layout of the page: right to left or left to right. 

// Useful when the application draws the scrollbar itself.

// -----------------------------------------------------------------------------

//                    

void CBrCtlLayoutObserver::NotifyLayoutChange( TBrCtlLayout aNewLayout ) 

    {

    if(!m_webView)

    return;

    TSize contentSize = m_webView->mainFrame()->frameView()->contentSize();

    switch(aNewLayout)

      {

      case EOriginTopRight:

           m_webView->mainFrame()->frameView()->scrollTo(TPoint(contentSize.iWidth,0));

           break;

     case EOriginTopLeft:

          {

          TPoint ptInit(0,0);

          TPoint ptFromHistory = m_webView->brCtl()->historyHandler()->historyController()->currentEntryPosition();

          TPoint ptCurr = m_webView->mainFrame()->frameView()->contentPos();

          if ( ptCurr != ptFromHistory ) {

              if ( ptInit == ptCurr ) {

                  m_webView->mainFrame()->frameView()->scrollTo(ptFromHistory);

                  }

             else{

                  m_webView->mainFrame()->frameView()->scrollTo(TPoint(0,0));

                 }

            }

          }

          break;

      default:

          break;

      }

    }