1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Handle scrollbar and tab events

    15 *

    16 */

    17 

    18 

    19 //  INCLUDES

    20 

    21 #include <../bidi.h>

    22 #include "BrCtlLayoutObserverImpl.h"

    23 #include "WebView.h"

    24 #include "WebFrame.h"

    25 #include "WebFrameView.h"

    26 #include "BrCtl.h"

    27 

    28 #include "Page.h"

    29 #include "FocusController.h"

    30 #include "Frame.h"

    31 #include <wtf/RefPtr.h>

    32 

    33 using namespace WebCore;

    34 

    35 // -----------------------------------------------------------------------------

    36 // CBrCtlLayoutObserver::CBrCtlLayoutObserver

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

    38 // might leave.

    39 // -----------------------------------------------------------------------------

    40 //

    41 CBrCtlLayoutObserver::CBrCtlLayoutObserver( WebView* aWebView)

    42                   : m_webView(aWebView)

    43     {

    44 

    45     }

    46 

    47 // -----------------------------------------------------------------------------

    48 // CBrCtlLayoutObserver::NotifyLayoutChange

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

    50 // Useful when the application draws the scrollbar itself.

    51 // -----------------------------------------------------------------------------

    52 //                    

    53 void CBrCtlLayoutObserver::NotifyLayoutChange( TBrCtlLayout aNewLayout ) 

    54     {

    55     if(!m_webView)

    56     return;

    57 

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

    59 

    60     switch(aNewLayout)

    61       {

    62       case EOriginTopRight:

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

    64            break;

    65 

    66      case EOriginTopLeft:

    67           {

    68           TPoint ptInit(0,0);

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

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

    71 

    72           if ( ptCurr != ptFromHistory ) {

    73               if ( ptInit == ptCurr ) {

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

    75                   }

    76              else{

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

    78                  }

    79             }

    80           }

    81           break;

    82 

    83       default:

    84           break;

    85       }

    86     }