emailuis/emailui/inc/FreestyleEmailUiFolderListModel.h
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     1 /*
       
     2 * Copyright (c) 2007-2008 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 folder list model and model item 
       
    15 *				 classes definitions
       
    16 *
       
    17 */
       
    18 
       
    19  
       
    20  
       
    21 #ifndef __FREESTYLEEMAILUI_FOLDERLISTMODEL_H__
       
    22 #define __FREESTYLEEMAILUI_FOLDERLISTMODEL_H__
       
    23 
       
    24 #include <e32base.h>
       
    25 
       
    26 //<cmail>
       
    27 #include "fstreelistconstants.h"
       
    28 //</cmail>
       
    29 
       
    30 class CFSMailFolder;
       
    31 class CFSMailBox;
       
    32 
       
    33 // LIST ITEM MODEL DEFINITION
       
    34 class CFSEmailUiFolderListItem : public CBase
       
    35     {
       
    36 public:
       
    37 	static CFSEmailUiFolderListItem* NewL();
       
    38 	static CFSEmailUiFolderListItem* NewLC();
       
    39 
       
    40 	~CFSEmailUiFolderListItem();
       
    41 
       
    42 private:
       
    43 	CFSEmailUiFolderListItem();
       
    44     
       
    45 public:
       
    46 	TFsTreeItemId iListId;
       
    47 	
       
    48 	TFSMailMsgId iFolderId;
       
    49 
       
    50 	TFSMailMsgId iMailboxId;
       
    51 	
       
    52 	TFSMailSortField iSortField;
       
    53     };
       
    54 
       
    55 /**
       
    56  * An interface for a folder list/mailbox model.
       
    57  */
       
    58 class CFSEmailUiFolderListModel : public CBase
       
    59     {
       
    60 public:
       
    61 	/**
       
    62 	* Constructor.
       
    63 	*/
       
    64 	CFSEmailUiFolderListModel();
       
    65 
       
    66 	/**
       
    67 	* Destructor.
       
    68 	*/
       
    69 	~CFSEmailUiFolderListModel();
       
    70 	
       
    71 	/**
       
    72 	* Add an item to the end of the list.
       
    73 	*/
       
    74 	void AppendL( TFsTreeItemId aListId, CFSMailFolder* aFolder );
       
    75 
       
    76 	/**
       
    77 	* Add an item to the end of the list.
       
    78 	*/
       
    79 	void AppendL( TFsTreeItemId aListId, CFSMailBox* aMailbox );
       
    80 
       
    81 	/**
       
    82 	* Add an item to the end of the list.
       
    83 	*/
       
    84 	void AppendL( TFsTreeItemId aListId, TFSMailSortField aSortField );
       
    85 	
       
    86 	/**
       
    87 	* Remove item by list item id.
       
    88 	*/	
       
    89 	void Remove( TFsTreeItemId aListId );
       
    90 
       
    91 	/**
       
    92 	* Remove all items.
       
    93 	*/	
       
    94 	void RemoveAll();
       
    95 
       
    96 	/**
       
    97 	* Get an item by list item id.
       
    98 	* 
       
    99 	* @return Model item or NULL if not found. Ownership not trnasferred.
       
   100 	*/
       
   101 	CFSEmailUiFolderListItem* ItemByListId(TFsTreeItemId aListId) const;
       
   102 
       
   103 	/**
       
   104 	* Get an item by list index
       
   105 	* 
       
   106 	* @return Model item or NULL if not found. Ownership not trnasferred.
       
   107 	*/
       
   108 	CFSEmailUiFolderListItem* ItemByIndex( TInt aModelIndex ) const;
       
   109 
       
   110 	/**
       
   111 	* Get number of items in list.
       
   112 	* 
       
   113 	* @return Number of items.
       
   114 	*/
       
   115 	TInt Count() const;
       
   116 
       
   117     /**
       
   118     * Get number of separators in list.
       
   119     * 
       
   120     * @return Number of separators in list.
       
   121     */
       
   122     TInt SeparatorCount() const;
       
   123 
       
   124     /**
       
   125     * Increase list's separator count. 
       
   126     * 
       
   127     * @param aIncreaseBy How much separator count is increased, defaut is 1.
       
   128     *                    If parameter is negative, then the count is decreased.
       
   129     */
       
   130     void IncreaseSeparatorCount( TInt aIncreaseBy = 1 );
       
   131 
       
   132 private:
       
   133 	/**
       
   134 	* Get the array index of the spcified item.
       
   135 	* 
       
   136 	* @return Array index of the item.
       
   137 	*/
       
   138 	TInt Index( TFsTreeItemId aListId ) const;
       
   139 	
       
   140 private:
       
   141 	RPointerArray<CFSEmailUiFolderListItem> iItemArray;
       
   142 	
       
   143 	// Number of separators, is zeroed in RemoveAll
       
   144 	TInt iSeparatorCount;
       
   145 
       
   146     };
       
   147 
       
   148 #endif //__FREESTYLEEMAILUI_FOLDERLISTMODEL_H__