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 #ifndef BRCTLLAYOUTOBSERVERIMPL_H

    20 #define BRCTLLAYOUTOBSERVERIMPL_H

    21 

    22 //  INCLUDES

    23 #include <BrCtlLayoutObserver.h>

    24 

    25 /**

    26 *  This observer is notified of scrolling and tabbing events

    27 *

    28 *  @lib BrowserEngine.lib

    29 *  @since 2.8

    30 */

    31 class CBrCtlLayoutObserver : public CBase, public MBrCtlLayoutObserver

    32     {

    33     public: // From MBrCtlLayoutObserverImpl

    34         

    35         /**

    36         * Update the position of vertical scrollbar.

    37         * @since 2.8

    38         * @param aDocumentHeight The total height of the markup page

    39         * @param aDisplayHeight The height of the display

    40         * @param aDisplayPosY The current Y position

    41         * @return void

    42         */

    43         virtual void UpdateBrowserVScrollBarL(TInt /*aDocumentHeight*/, 

    44                                               TInt /*aDisplayHeight*/,

    45                                               TInt /*aDisplayPosY*/ ) {}

    46 

    47         /**

    48         * Update the position of horizontal scrollbar.

    49         * @since 2.8

    50         * @param aDocumentWidth The total width of the markup page

    51         * @param aDisplayWidth The width of the display

    52         * @param aDisplayPosX The current X position

    53         * @return void

    54         */

    55         virtual void UpdateBrowserHScrollBarL(TInt /*aDocumentWidth*/, 

    56                                               TInt /*aDisplayWidth*/,

    57                                               TInt /*aDisplayPosX*/ ) {}

    58 

    59         /**

    60         * Inform the layout of the page: right to left or left to right. Useful when the application draws the scrollbar itself.

    61         * @since 2.8

    62         * @param aNewLayout RTL or LTR

    63         * @return void

    64         */

    65         virtual void NotifyLayoutChange( TBrCtlLayout /*aNewLayout*/ ) {}

    66         

    67         /**

    68         * Update the title of the page in history view

    69         * @since 3.0

    70         * @param aTitle Title of the page

    71         * @return void

    72         */

    73         virtual void UpdateTitleL( const TDesC& /*aTitle*/ ) {}        

    74     };

    75 

    76 #endif      // BRCTLLAYOUTOBSERVERIMPL_H

    77             

    78 // End of File