--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiaccelerator_plat/alf_core_toolkit_api/inc/uiacceltk/huilowmemoryobserver.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 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: 
+*
+*/
+/*
+ * huilowmemoryobserver.h
+ *
+ *  Created on: Jun 9, 2009
+ *      Author: ranshett
+ */
+
+#ifndef HUILOWMEMORYOBSERVER_H_
+#define HUILOWMEMORYOBSERVER_H_
+
+enum THuiMemoryLevel
+    {
+    /** 
+     * No memory available at all. Even all rendering 
+     * surfaces and buffers should be released.
+     *  
+     **/
+    EHuiMemoryLevelNone = -50,
+
+    /** 
+     * Lowest memory level. Use SW rendering if possible, 
+     * only rendering surfaces etc. absolutely mandatory 
+     * objects are allowed to consume memory.
+     * 
+     **/
+    EHuiMemoryLevelLowest = -40,
+    
+    /** 
+     * To be defined.
+     *  
+     **/
+    EHuiMemoryLevelLower = -30,    
+    
+    /** 
+     * Low memory level, same as EnableLowMemoryState(ETrue). Normal
+     * functionality and user experience is not provided. Memory usage
+     * is minimized, but HW rendering is to be used. Caches, buffers,
+     * effects, etc. are to be disabled.
+     *  
+     **/
+    EHuiMemoryLevelLow = -20, 
+    
+    /** 
+     *  Reduced memory level. Normal functionality and user experience
+     *  should be provided, but all non-mandatory memory usage should
+     *  be avoided. 
+     *  
+     **/
+    EHuiMemoryLevelReduced = -10,    
+
+    /** 
+     * Normal memory level, same as EnableLowMemoryState(EFalse) 
+     **/
+    EHuiMemoryLevelNormal = 0    
+    };
+
+/** 
+ * Memory level observer interface is same as MHuiLowMemoryObserver
+ * but gives more detailed information about memory levels. 
+ **/
+class MHuiMemoryLevelObserver
+    {
+public:
+    IMPORT_C virtual void SetMemoryLevel(THuiMemoryLevel aLevel)=0;
+    };
+
+/** 
+ * @deprecated use MHuiMemoryLevelObserver instead.
+ **/
+class MHuiLowMemoryObserver
+    {
+public:
+    IMPORT_C virtual void EnableLowMemoryState(TBool aEnable)=0;
+    };
+
+#endif /* HUILOWMEMORYOBSERVER_H_ */