1 /*

     2 * Copyright (c) 2002 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:   

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef AKN_ICON_FILE_NAME_CACHE_H

    21 #define AKN_ICON_FILE_NAME_CACHE_H

    22 

    23 // INCLUDES

    24 #include <e32base.h>

    25 

    26 // FORWARD DECLARATIONS

    27 class CAknIconFileNameItem;

    28 

    29 // CONSTANTS

    30 

    31 // CLASS DEFINITIONS

    32 

    33 NONSHARABLE_CLASS(CAknIconFileNameCache) : public CBase

    34     {

    35     public: // Constructor and destructor

    36 

    37         static CAknIconFileNameCache* NewL();

    38 

    39         ~CAknIconFileNameCache();

    40 

    41     public: // New functions

    42     

    43         /*

    44         * Caches the icon file name if it is not already in the cache and returns

    45         * a pointer to the cached file name object.

    46         *        

    47         * @param aFileName file name to be cached

    48         * @return reference to an HBufC object containing a copy of the icon file.

    49         *         Note: The returned object is owned by the file name cache object and

    50         *         it is never NULL.

    51         */        

    52         HBufC* CacheIconFileNameL( const TDesC& aFileName );   

    53         

    54 

    55     private: // Private constructors

    56 

    57         CAknIconFileNameCache();

    58 

    59     private: // New functions    

    60     

    61         /*

    62         * Gets cached icon file name if found.

    63         *

    64         * @param aFileName file name to be found

    65         * @return HBufC object containing the icon file name if the file name

    66         *         is found otherwise NULL

    67         */        

    68         HBufC* GetIconFileName( const TDesC& aFileName ) const;   

    69         

    70         /*

    71         * Stores icon file name in icon file name cache.

    72         * @param aFileName file name to be stored.

    73         * @return HBufC object of the stored the icon file name.

    74         */           

    75         HBufC* StoreIconFileNameL( const TDesC& aFileName );

    76 

    77     private: // Data

    78     

    79         // Cached information of icon file names

    80         RPointerArray<CAknIconFileNameItem> iFileNameItems;        

    81     };

    82 

    83 #endif // AKN_ICON_FILE_NAME_CACHE_H

    84 

    85 // End of File