sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include <kernel/kernel.h>
sl@0: #include "eventdd.h"
sl@0: 
sl@0: /**
sl@0:   Logical Device (factory class) for 'EventDD'
sl@0: */
sl@0: class DEventFactory : public DLogicalDevice
sl@0: 	{
sl@0: public:
sl@0: 	DEventFactory();
sl@0: 	//Pure virtual funcitons from DLogicalDevice
sl@0: 	TInt Install();
sl@0: 	void GetCaps(TDes8& aDes) const;
sl@0: 	TInt Create(DLogicalChannelBase*& aChannel);
sl@0: 	};
sl@0: 
sl@0: class DEventDD : public DLogicalChannelBase
sl@0: 	{
sl@0: public:
sl@0: 	//Pure virtual function from DLogicalChannelBase
sl@0: 	TInt Request(TInt aReqNo,TAny* a1,TAny* a2);
sl@0: private:
sl@0: 	TInt DoControl(TInt aFunction, TAny* a1, TAny* a2);
sl@0: 	TInt SendEvent(TRawEvent* aEvent);
sl@0: 	};
sl@0: 
sl@0: 
sl@0: /* DLL Factory Function */
sl@0: 
sl@0: DECLARE_STANDARD_LDD()
sl@0: 	{
sl@0: 	return new DEventFactory;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /* DEventFactory */
sl@0: 
sl@0: DEventFactory::DEventFactory() :DLogicalDevice()
sl@0: 	{
sl@0: 	iVersion=REventDD::VersionRequired();	//Set version number for this device
sl@0: 	}
sl@0: 
sl@0: TInt DEventFactory::Install()
sl@0: 	{
sl@0: 	return SetName(&REventDD::DriverName());
sl@0: 	}
sl@0: 
sl@0: void DEventFactory::GetCaps(TDes8& aDes) const
sl@0: 	{
sl@0: 	Kern::InfoCopy(aDes,KNullDesC8);
sl@0: 	}
sl@0: 
sl@0: TInt DEventFactory::Create(DLogicalChannelBase*& aChannel)
sl@0: 	{
sl@0: 	aChannel=new DEventDD;
sl@0: 	return aChannel?KErrNone:KErrNoMemory;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /* DEventDD */	// Logical Channel
sl@0: 
sl@0: TInt DEventDD::Request(TInt aReqNo,TAny* a1,TAny* a2)
sl@0: 	{
sl@0: 	// Decode the message type and dispatch it to the relevent handler function...
sl@0: 	// only using synchronous control messages
sl@0: 	if (static_cast<TUint>(aReqNo)<static_cast<TUint>(KMaxTInt))
sl@0: 		return DoControl(aReqNo,a1,a2);
sl@0: 	return KErrNotSupported;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:   Process synchronous 'control' requests
sl@0: */
sl@0: TInt DEventDD::DoControl(TInt aFunction,TAny* a1,TAny* /*a2*/)
sl@0: 	{
sl@0: 	TInt ret=KErrNotSupported;
sl@0: 
sl@0: 	switch (aFunction)
sl@0: 		{
sl@0: 	case REventDD::ESendEvent:
sl@0: 		ret=SendEvent(static_cast<TRawEvent*>(a1));
sl@0: 		break;
sl@0: 	default:;
sl@0: 		}
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: TInt DEventDD::SendEvent(TRawEvent* aEvent)
sl@0: 	{
sl@0: 	TRawEvent event;
sl@0: 	kumemget(&event,aEvent,sizeof(TRawEvent));	//fetch event from user memory
sl@0: 	NKern::ThreadEnterCS();
sl@0: 	TInt err=Kern::AddEvent(event);
sl@0: 	NKern::ThreadLeaveCS();
sl@0: 	return err;
sl@0: 	}