--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/skins/AknSkins/srvinc/AknsSrvWallpaperCache.h	Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,136 @@
+/*
+* Copyright (c) 2002-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Wallpaper Cache
+*
+*/
+
+
+#ifndef AKNSSRVWALLPAPERCACHE_H
+#define AKNSSRVWALLPAPERCACHE_H
+
+// INCLUDE FILES
+#include <e32std.h>
+#include <fbs.h>
+
+// FORWARD DECLARATIONS
+struct TAknsSrvWallpaper
+    {
+    CFbsBitmap* iPortrait;
+    CFbsBitmap* iPortraitMask;
+    CFbsBitmap* iLandscape;
+    CFbsBitmap* iLandscapeMask;
+    TFileName   iName;
+    };
+    
+    
+const TInt KAknsWallpaperCacheSize = 6;
+
+// CLASS DECLARATION
+
+class CAknsSrvWallpaperCache
+    {
+public:
+    /**
+    * Symbian constructor.
+    */    
+    static CAknsSrvWallpaperCache* NewL( TInt aCacheSize );
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CAknsSrvWallpaperCache();
+    
+    /**
+    * Add a image to wallpaper cache
+    */
+    TAknsSrvWallpaper* AddL( RFs& aRFs, const TDesC& aFileName, 
+                   const TSize aTargetSize, const TSize aMaxSize);
+    
+    /**
+    * Remove a image from wallpaper cache
+    */    
+    void Remove( const TDesC& aFileName );
+
+    /**
+    * Check if a image is in wallpaper cache
+    */ 
+    TBool IsCached( const TDesC& aFileName );
+
+    /**
+    * Reset wallpaper cache
+    */ 
+    void ResetAndDestory( );
+    
+private:
+    
+    /**
+    * Symbian 2nd phase constructor.
+    */
+    void ConstructL( TInt aCacheSize );
+    /**
+    * Constructor.
+    */
+    CAknsSrvWallpaperCache();
+
+    /**
+    * Destory one TAknsSrvWallpaper item
+    */
+    void DestoryItem( TAknsSrvWallpaper& aItem );
+
+    /**
+    * Reset one TAknsSrvWallpaper item
+    */
+    void ZeroItem( TAknsSrvWallpaper& aItem );
+
+    /**
+    * Remove the oldest wallpaper from cache
+    */
+    void RemoveOldestItem();
+    
+    /**
+    * Get cached image
+    */    
+    TAknsSrvWallpaper* CachedImage( const TDesC& aFileName );
+    
+    /**
+    * Try Decode image
+    */
+    void TryDecodeImageL( RFs& aRFs,const TDesC& aFileName );
+    
+private:
+
+    /**
+    * Wallpaper cache
+    */
+    RPointerArray<TAknsSrvWallpaper> iCache;
+   
+    /**
+    * Wallpaper cache size
+    */
+    TInt iCacheSize;
+    
+    /**
+    * Portait wallpaper size
+    */
+    TSize iPrtSize;
+    
+    /**
+    * Landscape wallpaper size
+    */
+    TSize iLscSize;
+    };
+
+#endif
+
+// End of File