/*

* Copyright (c) 2007 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:   Grid Anchor layout definition.

*

*/

#ifndef C_ALFLCTGRIDLAYOUT_H

#define C_ALFLCTGRIDLAYOUT_H

#include <alf/alfgridlayout.h> 

class TAknLayoutHierarchyComponentHandle;

/**

 *  LCT Grid layout

 * 

 * This is a specialised anchor layout, which is aware of the 

 * avkon LCT layout system. It provides additional APIs

 * that allow grid layouts to be set by referring to LCT layout 

 * components from the Layout Specifcations.

 *

 *  @lib alfclient.lib

 *  @since S60 v3.2

 */

class CAlfLCTGridLayout : public CAlfGridLayout

    {

public:

    /**

     * Two-phased constructor, which attach new object into the control.

     * @param aOwnerControl Control that owns this new obejct.

     * @param aParentLayout If given, the new object is set as child.

     */

    IMPORT_C static CAlfLCTGridLayout* AddNewL(CAlfControl& aOwnerControl,

                                              CAlfLayout* aParentLayout = 0);

    /**

     * Constructor.

     */

    IMPORT_C CAlfLCTGridLayout();

    /**

     * Second-phase constructor.

     */

    IMPORT_C void ConstructL(CAlfControl& aOwner);

    /**

     * Destructor.

     */

    IMPORT_C ~CAlfLCTGridLayout();

    /**

     * Sets the rows and columns for the grid.

     *     

     * @param aComponentHandle reference to the layout data that corresponds to 

     *                                                  the grid.

     * @ param aOffset timed point, note that the position of the timed point will be ignored.

     */

    IMPORT_C void SetColsAndRows(

        TAknLayoutHierarchyComponentHandle& aComponentHandle,

        const TAlfTimedPoint& aOffset);

    /**

     * From CAlfVisual

     * @see CAlfVisual

     */

    IMPORT_C void RemoveAndDestroyAllD();

    IMPORT_C void UpdateChildrenLayout(TInt aTransitionTime = 0);

    IMPORT_C CAlfVisual* FindTag(const TDesC8& aTag);

    /** 

     * From CAlfLayout

     * @see CAlfLayout

     */

    IMPORT_C TAlfXYMetric BaseUnit() const; 

protected:

    /**

     * From CAlfVisual

     * @see CAlfVisual

     */

    IMPORT_C void DoRemoveAndDestroyAllD();

    IMPORT_C void PropertyOwnerExtension(const TUid& aExtensionUid, TAny** aExtensionParams);

private:

    struct TLCTGridLayoutPrivateData;

    TLCTGridLayoutPrivateData* iLCTGridLayoutData;

    };

#endif // C_ALFLCTGRIDLAYOUT_H