windowing/windowserver/tauto/eventdd.cpp
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/tauto/eventdd.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,111 @@
+// 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:
+//
+
+#include <kernel/kernel.h>
+#include "eventdd.h"
+
+/**
+  Logical Device (factory class) for 'EventDD'
+*/
+class DEventFactory : public DLogicalDevice
+	{
+public:
+	DEventFactory();
+	//Pure virtual funcitons from DLogicalDevice
+	TInt Install();
+	void GetCaps(TDes8& aDes) const;
+	TInt Create(DLogicalChannelBase*& aChannel);
+	};
+
+class DEventDD : public DLogicalChannelBase
+	{
+public:
+	//Pure virtual function from DLogicalChannelBase
+	TInt Request(TInt aReqNo,TAny* a1,TAny* a2);
+private:
+	TInt DoControl(TInt aFunction, TAny* a1, TAny* a2);
+	TInt SendEvent(TRawEvent* aEvent);
+	};
+
+
+/* DLL Factory Function */
+
+DECLARE_STANDARD_LDD()
+	{
+	return new DEventFactory;
+	}
+
+
+/* DEventFactory */
+
+DEventFactory::DEventFactory() :DLogicalDevice()
+	{
+	iVersion=REventDD::VersionRequired();	//Set version number for this device
+	}
+
+TInt DEventFactory::Install()
+	{
+	return SetName(&REventDD::DriverName());
+	}
+
+void DEventFactory::GetCaps(TDes8& aDes) const
+	{
+	Kern::InfoCopy(aDes,KNullDesC8);
+	}
+
+TInt DEventFactory::Create(DLogicalChannelBase*& aChannel)
+	{
+	aChannel=new DEventDD;
+	return aChannel?KErrNone:KErrNoMemory;
+	}
+
+
+/* DEventDD */	// Logical Channel
+
+TInt DEventDD::Request(TInt aReqNo,TAny* a1,TAny* a2)
+	{
+	// Decode the message type and dispatch it to the relevent handler function...
+	// only using synchronous control messages
+	if (static_cast<TUint>(aReqNo)<static_cast<TUint>(KMaxTInt))
+		return DoControl(aReqNo,a1,a2);
+	return KErrNotSupported;
+	}
+
+/**
+  Process synchronous 'control' requests
+*/
+TInt DEventDD::DoControl(TInt aFunction,TAny* a1,TAny* /*a2*/)
+	{
+	TInt ret=KErrNotSupported;
+
+	switch (aFunction)
+		{
+	case REventDD::ESendEvent:
+		ret=SendEvent(static_cast<TRawEvent*>(a1));
+		break;
+	default:;
+		}
+	return ret;
+	}
+
+TInt DEventDD::SendEvent(TRawEvent* aEvent)
+	{
+	TRawEvent event;
+	kumemget(&event,aEvent,sizeof(TRawEvent));	//fetch event from user memory
+	NKern::ThreadEnterCS();
+	TInt err=Kern::AddEvent(event);
+	NKern::ThreadLeaveCS();
+	return err;
+	}