1 /*

     2 * Copyright (c) 2007 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 "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:  FreestyleEmailUi  list model and model item 

    15 *				 abstract base classes definitions

    16 *

    17 */

    18 

    19  

    20  

    21 #ifndef __FREESTYLEEMAILUI_LISTMODEL_H__

    22 #define __FREESTYLEEMAILUI_LISTMODEL_H__

    23 

    24 #include <e32base.h>

    25 //<cmail>

    26 #include "CFSMailMessage.h"

    27 //</cmail>

    28 

    29 // LIST ITEM MODEL DEFINITION

    30 class MFSListModelItem

    31     {

    32 public:

    33     /** Virtual destructor. */

    34     virtual ~MFSListModelItem() {}

    35 

    36     };

    37 

    38 /**

    39  * An interface for a list model. This mixin class provides storage methods for 

    40  * accessing, adding and removing list data.

    41  * 

    42  * Logic code and visualisation is done elsewhere.

    43  */

    44 class MFSEmailListModel

    45     {

    46 public:

    47 	/**

    48 	* Add an item to the end of the list.

    49 	*/

    50 	virtual void AppendL(MFSListModelItem* aItem) = 0;

    51 	

    52 	/**

    53 	* Insert an item at the given index.

    54 	*/	

    55 	virtual void InsertL(MFSListModelItem* aItem, TInt aIndex) = 0;

    56 

    57 	/**

    58 	* Remove item by its index.

    59 	*/	

    60 	virtual void RemoveAndDestroy(TInt aIndex) = 0;

    61 

    62 	/**

    63 	* get an item by its index.

    64 	* 

    65 	* @return NULL if out of range.

    66 	*/

    67 	virtual MFSListModelItem* Item(TInt aIndex) = 0;

    68 

    69 	/**

    70 	* Get number of items in list.

    71 	* 

    72 	* @return Number of items.

    73 	*/		

    74 	virtual TInt Count() const = 0;

    75     };

    76 

    77 #endif //__FREESTYLEEMAILUI_LISTMODEL_H__