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_SRV_CACHE_H

    21 #define AKN_ICON_SRV_CACHE_H

    22 

    23 //  INCLUDES

    24 #include <e32base.h>

    25 #include <AknsSrvClient.h>

    26 

    27 // CONSTANTS

    28 

    29 // FORWARD DECLARATIONS

    30 class CAknIconServer;

    31 class CAknIconSrvIconItem;

    32 class CAknIconSrvPrecacheItem;

    33 class TResourceReader;

    34 class CAknsBitmapItemDef;

    35 

    36 // FUNCTION PROTOTYPES

    37 GLREF_C TInt PrecacheThreadFunction( TAny* aParameters );

    38 

    39 // CLASS DECLARATION

    40 

    41 /**

    42 * Icon cache configuration (static and dynamic).

    43 */

    44 NONSHARABLE_CLASS(CAknIconSrvCache) : public CBase

    45     { 

    46     public:  // Constructors and destructor

    47 

    48         static CAknIconSrvCache* NewL( CAknIconServer& aServer );

    49         virtual ~CAknIconSrvCache();

    50 

    51     public:  // New methods

    52 

    53 

    54         // Dynamic bitmap caching

    55         TBool CacheUnusedIcon( CAknIconSrvIconItem& aItem );

    56         void RemoveIfCached( CAknIconSrvIconItem& aItem );

    57         void DynamicToPrecache( CAknIconSrvIconItem& aItem );

    58         // Other utility methods

    59         inline RThread PrecacheThread();

    60         inline RPointerArray<CAknIconSrvPrecacheItem>& PrecacheItems();

    61 

    62 

    63         void EnableCache( TBool aEnable );

    64 

    65         // For debug only

    66         void ResetDynamicCache();

    67 

    68     private: // New methods

    69 

    70         static TInt IconDataSize( CAknIconSrvIconItem& aItem );

    71 

    72         CAknIconSrvCache( CAknIconServer& aServer );

    73         void ConstructL();

    74         void UpdateDynamicCacheSize();        

    75 

    76     private:     // data

    77 

    78 

    79         TInt iConfiguredMaxDynamicCacheSize;

    80         TInt iMaxDynamicCacheSize;

    81 

    82         // Dynamic cache info

    83         TInt iDynamicCacheSize;

    84         RPointerArray<CAknIconSrvIconItem> iDynamicallyCached;

    85 

    86         // Precache info

    87         // size of all items in precache

    88         TInt iPrecacheSize;

    89         // items marked to be precached

    90         RPointerArray<CAknIconSrvIconItem> iPrecache;

    91         

    92         CAknIconServer& iServer;

    93 #ifdef PRECACHE2

    94         RThread iPrecacheThread2;

    95 #endif

    96 

    97         

    98     };

    99 

   100 

   101 #endif // AKN_ICON_SRV_CACHE_H

   102 

   103 // Enf of File