--- /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
+