diff -r 000000000000 -r 4e91876724a2 photosgallery/viewframework/medialists/inc/mglxcache.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/medialists/inc/mglxcache.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,93 @@
+/*
+* Copyright (c) 2008-2009 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:    Interface to media item cache
+*
+*/
+
+
+
+
+#ifndef M_GLXCACHE_H
+#define M_GLXCACHE_H
+
+class CGlxMedia;
+class MGlxCacheObserver;
+
+#include "glxmediaid.h"
+
+/**
+ *  MGlxCache
+ *
+ *  External interface to the media item cache
+ *
+ *  @lib glxmedialists.lib
+ */
+class MGlxCache
+	{
+public:	
+    /**
+     * Return a reference-counted instance of MGlxCache. User MUST Close() this when finished with it.
+     * @return Singleton cache object
+     */
+    IMPORT_C static MGlxCache* InstanceL();
+
+    /**
+     * Finds a media item based on id-space and media id
+     * @param aIdSpaceId The id space of the media item
+     * @param aMediaId The id of the media item
+     * @return The media item, if found; NULL if not
+     */
+	virtual CGlxMedia* Media(const TGlxIdSpaceId& aIdSpaceId, const TGlxMediaId& aMediaId) const = 0;
+
+    /**
+     * Add a cache observer
+     * @param aObserver The observer to add
+     */
+	virtual void AddObserverL(MGlxCacheObserver* aObserver) = 0;
+
+    /**
+     * Remove a cache observer
+     * @param aObserver The observer to remove
+     */
+	virtual void RemoveObserver(MGlxCacheObserver* aObserver) = 0;
+
+    /**
+     * Begin refreshing fetch contexts, if currently idle.
+     */
+    virtual void RefreshL() = 0;
+
+    /**
+     * Close the MGlxCache object. This MUST be called when the client has finished using it
+     */	
+	virtual void Close() = 0;
+	
+	//OOM	
+	/**
+	 * ReleaseRAM on request
+	 */ 
+	 virtual void ReleaseRAML(TBool aFlushOnRequest = EFalse) = 0;
+	/**
+	 * Stop RAM realease.
+	 */ 
+	virtual void StopRAMReleaseL() = 0;	
+    //OOM
+
+	/**
+     * Cleanup Container Cache
+     */
+	virtual void ForceCleanupMedia(TGlxIdSpaceId aSpaceId,TGlxMediaId aId)=0;
+	};
+
+#endif // M_GLXCACHE_H
+