--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omxil/omxilcomponentcommon/src/common/primsgqueue.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,87 @@
+// 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:
+//
+
+
+/**
+   @file
+   @internalComponent
+*/
+
+#ifndef PRIMSGQUEUE_H
+#define PRIMSGQUEUE_H
+
+#include <e32std.h>
+#include <e32msgqueue.h>
+
+/**
+   RPriMsgQueue panic category
+*/
+_LIT(RPriMsgQueuePanicCategory, "RPriMsgQueue");
+
+/**
+   A priority-based message queue similar to RMsQueue .
+
+   This templated class provides the behaviour for managing an asynchronous
+   queue of messages, ordered by descending priority order, where the template
+   parameter defines the message type. Note that this message queue is intended
+   to be used with pointer types only. Also, message types are assumed to have
+   a member with the following signature : TInt Priority()
+
+ */
+template <typename T>
+class RPriMsgQueue
+    {
+
+public:
+
+    inline TInt CreateLocal(TInt aSize, TOwnerType aType=EOwnerProcess);
+	inline TInt Handle() const;
+    inline TInt Send(const T& aMsg);
+    inline TInt Receive(T& aMsg);
+	inline void Close();
+	inline void NotifyDataAvailable(TRequestStatus& aStatus);
+	inline void CancelDataAvailable();
+
+protected:
+
+	class TFrontQueueElement
+		{
+
+	public:
+
+		inline explicit TFrontQueueElement(const TAny* apInfo);
+		inline TFrontQueueElement(const TAny* apInfo, TInt aPriority);
+
+	public:
+
+		const TAny* ipInfo; 
+		TPriQueLink iLink;
+
+		};
+
+protected:
+
+	inline TInt DrainBackQueue();
+
+protected:
+
+	RMsgQueueBase iBackQueue;
+	TPriQue<TFrontQueueElement> iFrontQueue;
+
+    };
+
+#include "primsgqueue.inl"
+
+#endif // PRIMSGQUEUE_H