--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysresmonitoring/oommonitor/inc/oomclientrequestqueue.h	Thu May 27 13:01:09 2010 +0300
@@ -0,0 +1,134 @@
+/*
+* Copyright (c) 2006-2010 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:  COomClientRequestQueue.cpp.
+*
+*/
+
+
+#ifndef COOMCLIENTREQUESTQUEUE_H
+#define COOMCLIENTREQUESTQUEUE_H
+
+#include <e32std.h>
+#include <e32base.h>
+#include <e32property.h>
+
+#include "oommemorymonitor.h"
+
+class COomClientRequestQueue;
+class CMemoryMonitor;
+class CSubscribeHelper;
+
+class TClientRequest
+    {
+public:
+    TClientRequest(TActionTriggerType aClientRequestType, TInt aBytesRequested);    
+    TClientRequest(TActionTriggerType aClientRequestType, const RMessage2& aRequestFreeRam);    
+public:    
+    TActionTriggerType iClientRequestType;
+    TInt iBytesRequested;
+    RMessage2 iRequestFreeRamMessage;
+    TSglQueLink iLink;
+    };
+
+/*
+ *  If two client requests are queued, the COomClientRequestTimer is used to wait after the first request 
+ *  has been completed, to allow the first client time to allocate the memory it requested.
+ *
+ *  @lib oommonitor.lib
+ *  @since S60 v5.0
+ */
+NONSHARABLE_CLASS(COomClientRequestTimer) : public CTimer
+    {
+public:
+    static COomClientRequestTimer* NewL(COomClientRequestQueue& aQueue);
+private:
+    COomClientRequestTimer(COomClientRequestQueue& aQueue);
+    void RunL();    
+    
+private: //data
+    COomClientRequestQueue& iClientRequestQueue;
+    };
+
+/**
+ *  Queues client requests so that the actual RAM level of the device is in a state where it can be more 
+ *  accurately determined whether more actions need to be run
+ *
+ *  @lib oommonitor.lib
+ *  @since S60 v5.0 
+ */
+NONSHARABLE_CLASS(COomClientRequestQueue) : public CBase
+    {
+public:
+ 
+    // Constructors and destructor
+
+    /**
+     * Destructor.
+     */
+    ~COomClientRequestQueue();
+
+    /**
+     * Two-phased constructor.
+     */
+    static COomClientRequestQueue* NewL(CMemoryMonitor& aMonitor);
+   
+    CMemoryMonitor& Monitor();
+    
+    void RequestFreeMemoryL(const RMessage2& aMessage);
+    void RequestOptionalRamL(const RMessage2& aMessage);
+    void ActionsCompleted(TInt aBytesFree, TBool aMemoryGood);
+    void RequestTimerCallbackL();
+    
+private:
+
+    /**
+     * Constructor for performing 1st stage construction
+     */
+    COomClientRequestQueue(CMemoryMonitor& aMonitor);
+
+    /**
+     * EPOC default constructor for performing 2nd stage construction
+     */
+    void ConstructL();
+    
+    static TInt WatchdogStatusStatusChanged(TAny* aPtr);
+    void HandleWatchdogStatusCallBack();
+    void AddClientRequestL(TClientRequest& request);
+    void StartClientRequestL();    
+    
+    // parameters for P&S watcher.
+
+    /**
+     * The handle to the P&S property that can be used to initiate OOM Monitor actions
+     */    
+    RProperty iWatchdogStatusProperty;
+    
+    /**
+     * The active object which monitors the P&S property that can be used to initiate OOM Monitor actions
+     * Own.       
+     */    
+    CSubscribeHelper* iWatchdogStatusSubscriber;
+    
+    TSglQue<TClientRequest> iQueue;
+    
+    TBool iClientRequestActive;
+    
+    CMemoryMonitor& iMonitor;
+
+    COomClientRequestTimer* iClientRequestTimer;
+
+    TTime iLastClientCompletedTime;
+    };
+
+#endif // COOMCLIENTREQUESTQUEUE_H