diff -r 61bc0f252b2b -r bac7acad7cb3 camerauis/cameraapp/generic/inc/CamMemoryMonitor.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/inc/CamMemoryMonitor.h	Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,103 @@
+/*
+* Copyright (c) 2007-2009 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:  Class that monitors free memory and attempts to free it if necessary
+*
+*/
+
+#ifndef CAMMEMORYMONITOR_H
+#define CAMMEMORYMONITOR_H
+
+#include <e32base.h>
+#include <oommonitorsession.h>
+
+
+class CCamAppController;
+class CCamAppUi;
+
+/**
+ * Class that monitors free memory and attempts to free it if necessary
+ *
+ */
+class CCamMemoryMonitor : public CActive
+{
+
+public:
+
+    static CCamMemoryMonitor* NewL( CCamAppUi* aAppUi, CCamAppController* aController );
+
+    virtual ~CCamMemoryMonitor();
+
+    /**
+     * Start monitoring free memory. If available memory drop below given limit,
+     * requests memory from OomManager.
+     *
+     * @param aLimit Monitored memory limit
+     * @param aRequestAmount Amount of memory to be requested if below aLimit
+     */
+    void StartMonitoring( TInt aLimit, TInt aRequestAmount );
+
+    /**
+     * Start monitoring free memory. Uses default or previously given
+     * values for limit and request amount
+     */
+    void StartMonitoring();
+
+    /**
+     * Stop monitoring free memory.
+     *
+     */
+    void StopMonitoring();
+
+    /**
+     * Checks for free memory and requests more if below given limit.
+     *
+     * @param aLimit Memory limit to be checked
+     * @param aRequestAmount Amount of memory to be requested if below aLimit
+     * @param aShowNote If ETrue, note will be shown during memory request
+     */
+    TInt CheckAndRequestMemoryL( TInt aLimit, TInt aRequestAmount, TBool aShowNote );
+
+    /**
+     * Checks for free memory and requests more if below given limit. Uses
+     * default values for limit and request amount.
+     *
+     * @param aShowNote If ETrue, note will be shown during memory request
+     */
+    TInt CheckAndRequestMemoryL( TBool aShowNote );
+
+
+
+    void RunL();
+    void DoCancel();
+
+private:
+    CCamMemoryMonitor( CCamAppUi* aAppUi, CCamAppController* aController );
+    void ConstructL();
+
+    static TInt MemoryCheck( TAny* aPtr );
+
+    void CheckMemory();
+private:
+    // data
+
+    TInt iLimit;
+    TInt iRequestAmount;
+
+    CCamAppUi* iAppUi;
+    CCamAppController* iController;
+    CPeriodic* iMemoryCheckTimer;
+    ROomMonitorSession iOomMonitor;
+};
+
+#endif /* CCAMMEMORYMONITOR_H_ */