--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgetmodel/alfwidgetmodel/inc/alfrecyclinggridelementimpl.h	Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,240 @@
+/*
+* 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:   Class for private implementation for AlfRecyclingGridElement.
+*
+*/
+
+
+#ifndef ALFRECYCLINGGRIDELEMENTIMPL_H
+#define ALFRECYCLINGGRIDELEMENTIMPL_H
+
+#include "alf/alfrecyclinggridelement.h"
+#include <osn/osndefines.h>
+
+class CAlfVisual;
+class CAlfLayout;
+class TAlfEvent;
+
+namespace Alf
+    {
+class CAlfWidgetControl;
+class IAlfVariantType;
+class IAlfBranch;
+class IAlfElement;
+
+/**
+ *  Implementation class used with the implPtr paradigm.
+ */
+OSN_NONSHARABLE_CLASS( AlfRecyclingGridElementImpl )
+    {
+public:
+    /**
+        * Gets the unit.
+        *
+        * @since S60 ?S60_version
+        * @return The unit.
+        */
+    AlfRecyclingGridElementImpl(
+        AlfRecyclingGridElement& aOwner,
+        int aNumColumns,
+        int aNumRows);
+    /**
+        * Gets the unit.
+        *
+        * @since S60 ?S60_version
+        * @return The unit.
+        */
+    ~AlfRecyclingGridElementImpl();
+    /**
+        * setFillStyle.
+        *
+        * @since S60 ?S60_version
+        * @return The unit.
+        */
+    void setFillStyle(AlfRecyclingGridElement::FillStyle aFillStyle, int aFillStyleParam);
+
+    /**
+     * setAnimationTimes.
+     *
+     * @since S60 ?S60_version
+     * @return The unit.
+     */
+    void setAnimationTimes( int aScrollingTime,
+                            int aFadeInTime, int aFadeInDelay,
+                            int aFadeOutTime, int aFadeOutDelay );
+    /**
+     * createVisualTree.
+     *
+     * @since S60 ?S60_version
+     * @return The unit.
+     */
+    CAlfVisual* createVisualTree(
+        IAlfVariantType& aData, uint aDataID,
+        CAlfLayout* aParentLayout, int aLayoutIndex );
+    /**
+     * accept.
+     *
+     * @since S60 ?S60_version
+     * @return The unit.
+     */
+    bool accept( CAlfWidgetControl& aControl, const TAlfEvent& aEvent ) const;
+    /**
+     * offerEvent.
+     *
+     * @since S60 ?S60_version
+     * @return The unit.
+     */
+    bool offerEvent( CAlfWidgetControl& aControl, const TAlfEvent& aEvent );
+    /**
+     * setActiveStates.
+     *
+     * @since S60 ?S60_version
+     * @return The unit.
+     */
+    void setActiveStates( unsigned int aStates );
+    /**
+     * Sets AlfWidgetEventHandlerInitData to event handler.
+     *
+     * @param aData A data structure which contains for example id of the event
+     * handler.
+     */
+    void setEventHandlerData( const AlfWidgetEventHandlerInitData& /*aData*/ ) { }
+    
+    /**
+     * Returns AlfWidgetEventHandlerInitData.
+     *
+     * @return  A pointer to AlfWidgetEventHandlerInitData structure which contains
+     * for example id of the event handler.
+     */
+    AlfWidgetEventHandlerInitData* eventHandlerData() { return NULL; }
+    /**
+     * createChildVisualTree.
+     *
+     * @since S60 ?S60_version
+     * @return The unit.
+     */
+    void createChildVisualTree( IAlfElement* aElement,
+                                IAlfVariantType& aChildData,
+                                IAlfBranch& aData,
+                                int aIndex, uint aDataID );
+    /**
+     * removeChildVisualTree.
+     *
+     * @since S60 ?S60_version
+     * @return The unit.
+     */
+    void removeChildVisualTree( IAlfElement* aElement, IAlfBranch& aData, int aIndex, uint aDataID );
+    /**
+     * removeAndDestroyVisuals.
+     *
+     * @since S60 ?S60_version
+     * @return The unit.
+     */
+    void removeAndDestroyVisuals( int aTimeMilliseconds );
+
+private:
+
+    /**
+     * Api to naviagte by a single row or column.
+     * @since S60 ?S60_version
+     * @param aControl - Widget Control
+     * @param aPageUp  - indicates the direction either a page up or page down
+     */
+    bool moveSingleRowOrColumn( CAlfWidgetControl& aControl, bool aPageUp);
+
+    /**
+     * APi to find the point in the grid for a given index in the visual array on the recycle grid  .
+     * @since S60 ?S60_version
+     * @param aInd - index of the element
+     * @return  TPoint - Point or cordinates
+     */
+    TPoint calculateChildPos(int aInd) const;
+
+    /**
+     * APi to find the index for a given point
+     * @since S60 ?S60_version
+     * @param aPos- position for whom the index needs to be found out
+     * @return  int  - Index of the cordinate
+     */
+    int calculateChildInd(TPoint aPos) const;
+
+    /**
+     * Internal APi to do the index calcuation for navigation and recycling
+    */
+    void doPositioningAndScrolling( CAlfWidgetControl& aControl,uint aEventID);
+
+private:
+
+    AlfRecyclingGridElement& mOwner;
+
+    //class Data
+    /**
+     * The number of visible rows and columns.
+     */
+    int mNumVisibleColumns, mNumVisibleRows;
+
+    /**
+     * The number of rows and columns in the grid layout.
+     */
+    int mNumColumns, mNumRows;
+
+    /**
+     * The strategy for adding new items to the grid
+     */
+    AlfRecyclingGridElement::FillStyle mFillStyle;
+
+    /**
+     * The maximum number of items used with EColumnsFirst and ERowsFirst fill styles
+     */
+    int mFillStyleParam;
+
+
+    /**
+     * Duration of the scrolling animation
+     */
+    int mScrollingTime;
+
+    /**
+     * Duration of the fade in animation
+     */
+    int mFadeInTime;
+
+    /**
+     * Delay before the fade in animation
+     */
+    int mFadeInDelay;
+
+    /**
+     * Duration of the fade out animation
+     */
+    int mFadeOutTime;
+
+    /**
+     * Delay before the fade out animation
+     */
+    int mFadeOutDelay;
+
+    /**
+     * The logical scrolling offset.
+     */
+    TPoint  mScrollOffset;
+
+    bool    mHorizontalOffset;
+    bool    mVerticalOffset;
+    unsigned int mActiveStates;
+    };
+
+    } // namespace Alf
+
+#endif // C_ALFWIDGETEVENTHANDLERIMPL_H