/*

* Copyright (c) 2002 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 "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*       Contains the View and the Component of the photoalbum picture grid

*       component.

*

*

*/

#ifndef __CAknGMSStyleGrid_h

#define __CAknGMSStyleGrid_h

#include <AknGrid.h>

#include <aknpopup.h>

#include <aknlists.h>

class CGulIcon;

// ============================================================================

// CAknGMSStyleGridView

// ============================================================================

/**

	 the view for the grid component.

*/

class CAknGMSStyleGridView : public CAknGridView

	{

public: // from CAknGridView

	IMPORT_C CAknGMSStyleGridView();

public: // from	CAknGridView

	/**

		draws the hor. and vert. lines.

	*/

	IMPORT_C void Draw(const TRect* aClipRect = NULL) const;

public: // new methods

	/**

	 sets the rectangle for the drawing operations.

	 This method is called when the grid is constructed.

	 */

	IMPORT_C void SetupLayout(const TRect& aRect, TBool aIsPopup = EFalse, TInt aNum = -1);

private: // overridden from CListBoxView

	IMPORT_C virtual TAny* Reserved_1();

private: // new methods

    /**

     Calculate maximum number of horizontal lines

     */

    TInt MaxNumOfHorLines() const;

    /**

     Calculate maximum number of vertical lines

     */

    TInt MaxNumOfVerLines() const;

private: // data

	TAknLayoutRect iHorLine[5];

	TAknLayoutRect iVerLine[3];

	const TRect* iRect;

	};

// ============================================================================

// CAknGMSStyleGrid

// ============================================================================

/**

	implements the grid for the PhotoAlbum

	A markable grid_large_graphic_pane, with 2 columns. The cell displays

	80x32 bitmaps.

*/

class CAknGMSStyleGrid : public CAknSelectionGridTypedef

    {

public:

    /**

     * Creates a gms grid

     * @param aParent A parent used to find a window for the grid.

     * @param aIsPopup Whether a popup layout or main pane layout is used

     */

    IMPORT_C static CAknGMSStyleGrid* NewL(const CCoeControl* aParent, TBool aIsPopup = EFalse);

    /**

       do not use this, use NewL

       aIsPopup = EFalse is default.

    */

    IMPORT_C CAknGMSStyleGrid(); 

    /**

     * @param aIsPopup Whether a popup layout is used or not

     */

    IMPORT_C CAknGMSStyleGrid(TBool aIsPopup);

    /**

	 * 2nd phase of construction.

	 * @param aParent the parent compound control

	 * @param aRows desired rows of grid

	 * @param aCols desired cols of grid

	*/

	IMPORT_C void ConstructL(const CCoeControl* aParent, TInt aRows=4, TInt aCols=2);

	/**

		the destructor

	*/

	IMPORT_C ~CAknGMSStyleGrid();

    /**

     * Sets the layout of the grid view

     */

    IMPORT_C void SetupLayout();

    /**

     * From CCoeControl.     

     * Handles pointer events

     */

    IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent); 

public: // from CAknGrid

	/**

	 *	layouts and repaints the grid

	 */

	IMPORT_C void SizeChanged();

        /**

         * Decides size of the grid for dialogs.

         */

        IMPORT_C TSize MinimumSize();

	/**

	 * Offers key events to parent class.

	 * @param aKeyEvent kind of key event

	 * @param aType key typed

	 */

	IMPORT_C TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);

	/**

	 * Defines a grid cell size

	 * @return size of a grid cell

	 */

    static TSize KCELL_SIZE();

	/**

	 * Redraw the grid.

	 * @param aRect the rectangle to draw.

	 */

	IMPORT_C void Draw(const TRect& aRect) const;

	/**

	 * Overriden from CAknGrid. Create the grid view for thus grid class.

	 * @ return the grid view

	 */ 

        IMPORT_C CListBoxView* MakeViewClassInstanceL();

protected:

    /**

     * Are we a popup window or main pane window, ETrue = popup window.

     */

    TBool iIsPopup;

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

private:

	/**

	 *	a helper method for logging calls

	 */	

	static void _LOG(const TDesC& aText);

private: // data

};

/** 

 * The window part of a gms grid.

 */

class CAknGMSPopupGrid : public CAknPopupList

    {

public:

    /**

     * Creates a window for the grid.

     * @param aListBox The grid used.

     * @param aCbaResource The softkeys used.

     * @param aType The layout used

     */

    IMPORT_C static CAknGMSPopupGrid* NewL(CEikListBox* aListBox, TInt aCbaResource, AknPopupLayouts::TAknPopupLayouts aType=AknPopupLayouts::EMenuWindow);

public:

    /**

     * Setup the whole window layout; window position, grid and heading position, shadow for the window.

     * @param aLayoutId A choice of layout -- not used by the implementation.

     */

    IMPORT_C void SetupWindowLayout(AknPopupLayouts::TAknPopupLayouts);

    /**

     * Calculate grid window position

     */

    IMPORT_C static void CalcPopupGridLargeGraphicWindow(TAknPopupWindowLayoutDef &aDef, TRect aClientRect, TInt aNumberOfLinesInListBox);

    /**

     * Calculate grid and heading position

     */

    IMPORT_C static void SetupPopupGridLargeGraphicWindow(TAknPopupWindowLayoutDef &aDef, 

				     TInt aNumberOfLinesInListBox, 

				     TBool aHeading);

    /**

     * Setup shadow for the window.

     */

    IMPORT_C static void PopupGridLargeGraphicGraphics(TAknPopupWindowLayoutDef &aDef);

    /**

     * From CCoeControl.     

     * Handles pointer events

     */

    IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);    

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

    };

#endif // __CAknGMSStyleGrid_h