// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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:

//

/** Event handler and container for all objects being tracked.  */

#ifndef __RM_DEBUG_EVENTHANDLER_H__

#define __RM_DEBUG_EVENTHANDLER_H__

class DRM_DebugEventHandler : public DKernelEventHandler

{

	public:

		DRM_DebugEventHandler();

		TInt Create(DLogicalDevice* aDevice, DLogicalChannel* aChannel, DThread* aClient);

		~DRM_DebugEventHandler();

		TInt Start();

		TInt Stop();

		inline void DRM_DebugEventHandler::LockDataAccess()

		    {

		    Kern::SemaphoreWait(*iProtectionLock);

		    }

		inline void DRM_DebugEventHandler::ReleaseDataAccess()

		    {

		    Kern::SemaphoreSignal(*iProtectionLock);

		    }

	private:

		static TUint EventHandler(TKernelEvent aEvent, TAny* a1, TAny* a2, TAny* aThis);

		TUint HandleEvent(TKernelEvent aType, TAny* a1, TAny* a2);

		TBool HandleSpecificEvent(TKernelEvent aType, TAny* a1, TAny* a2);

	private:

		/** Used to serialise access data structures */

		DSemaphore* iProtectionLock;

		TBool iTracking;

		DLogicalDevice* iDevice;	// open reference to LDD for avoiding lifetime issues

		DThread* iClientThread;

		DRM_DebugChannel* iChannel;

		// typdef for functions which handle our specific events

		typedef TBool (DRM_DebugChannel::*eventHandler)(TAny* a1, TAny* a2);

		eventHandler iEventHandlers[EEventLimit];

};

#endif //__RM_DEBUG_EVENTHANDLER_H__