--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dosservices/dosserver/src/doseventmanagerbase.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,220 @@
+/*
+* Copyright (c) 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: 
+*    Implementation for the CEventManagerBase class
+*
+*/
+
+
+#include <e32base.h>
+#include "doseventmanagerbase.h"
+#include "dosevent.h"
+#include "doswaitingevent.h"
+
+//
+// ---------------------------------------------------------
+// CDosEventManagerBase Constructor
+// ---------------------------------------------------------
+//  
+
+CEventManagerBase::CEventManagerBase() : iOrder(CDosEvent::Compare)
+{
+}
+
+//
+// ---------------------------------------------------------
+// CDosEventManagerBase Destructor
+// ---------------------------------------------------------
+//  
+
+CEventManagerBase::~CEventManagerBase()
+{
+	iEventArray.ResetAndDestroy();
+	iEventArray.Close();
+}
+
+//
+// ---------------------------------------------------------
+// CDosEventManagerBase::RaiseEvent 
+//
+// This version of the function is used by the derived
+// class.
+// ---------------------------------------------------------
+//  
+
+TInt CEventManagerBase::RaiseEvent(TUint aEvent,TAny* aParameter,TInt aParLength)
+{
+	CDosEvent* event=NULL;
+	TInt err=KErrNone;
+
+	LookForEventInArray(aEvent,event);
+	if(event)
+	{
+		//Create the waiting event
+
+		CDosWaitingEvent* waitingEvent = NULL;
+		waitingEvent = new CDosWaitingEvent;
+		if(waitingEvent)
+		{
+			TRAP(err,waitingEvent->SetParameterL(aParameter,aParLength));
+			if(!err)
+			{
+				event->InformListeners(waitingEvent);
+				if(!waitingEvent->IsQueued()) //If it hasn't been queued anywhere we delete it here.
+				{
+					delete waitingEvent;
+				}
+			}
+			else
+				{
+				delete waitingEvent;
+				}	
+			return err;
+		}
+		return KErrNoMemory;
+	}
+	//If the event is not in the array this call is ignored
+	return KErrNotFound;
+}
+
+//
+// ---------------------------------------------------------
+// CDosEventManagerBase::RaiseEvent
+//
+// This version is intended to be used by calls originated
+// by RDosEventSnd.
+// ---------------------------------------------------------
+//  
+
+TInt CEventManagerBase::RaiseEvent(const RMessage2& aMessage)
+{
+	CDosEvent* event=NULL;
+	TInt err=KErrNone;
+
+	LookForEventInArray((TInt32)aMessage.Ptr0(),event);
+	if(event)
+	{
+		//Create the waiting event
+
+		CDosWaitingEvent* waitingEvent = NULL;
+		waitingEvent = new CDosWaitingEvent;
+		if(waitingEvent)
+		{
+			TRAP(err,waitingEvent->SetParameterL(aMessage));
+			if(!err)
+			{
+				event->InformListeners(waitingEvent);
+				if(!waitingEvent->IsQueued()) //If it hasn't been queued anywhere we delete it here.
+				{
+					delete waitingEvent;
+				}
+			}
+			else
+				{
+				delete waitingEvent;
+				}
+			return err;
+		}
+		return KErrNoMemory;
+	}
+	//If the event is not in the array this call is ignored
+	return KErrNotFound;
+}
+
+//
+// ---------------------------------------------------------
+// CDosEventManagerBase::RegisterListenerL
+// ---------------------------------------------------------
+//  
+
+TInt CEventManagerBase::RegisterListenerL(CDosEventRcvService* aListener,TUint aEvent)
+{
+	//We look for the Event in the array.
+	CDosEvent* event=NULL;
+
+	LookForEventInArray(aEvent,event);
+	if(!event) 
+	{
+		//The Event didn't exist so we create it
+		event = CDosEvent::NewL(aEvent);
+
+		//We add it to iEventArray
+		iEventArray.InsertInOrder(event,iOrder);
+	}
+
+	//We add the listener to the Event's list
+	event->AddListener(aListener);
+
+	return KErrNone;
+}
+
+//
+// ---------------------------------------------------------
+// CDosEventManagerBase::LookForEventInArray
+// ---------------------------------------------------------
+//  
+
+void CEventManagerBase::LookForEventInArray(TUint aEventName,CDosEvent*& aEventPtr)
+{
+	for(TInt i=iEventArray.Count()-1;i>=0;i--) //it counts backwards for eficiency
+	{
+		if(iEventArray[i]->Event()==aEventName)
+		{
+			//Found
+			aEventPtr = iEventArray[i];
+			break;
+		}
+
+		if(iEventArray[i]->Event()<aEventName)
+		{
+			//Not found
+			aEventPtr = NULL;
+			break;
+		}
+	}
+}
+
+//
+// ---------------------------------------------------------
+// CDosEventManagerBase::UnRegisterListener
+// ---------------------------------------------------------
+//  
+
+TInt CEventManagerBase::UnRegisterListener(CDosEventRcvService* aListener, TUint aEvent)
+{
+	CDosEvent* event=NULL;
+
+	LookForEventInArray(aEvent,event);
+	if(!event)
+	{
+		//The event wasn't found on the Events array
+		return KErrNotFound;
+	}
+
+	//Remove the listener from the list
+	event->RemoveListener(aListener);
+
+	//Check if the event doesn't have anymore listeners.
+	if(event->ListenerCount()==0)
+	{
+		TInt index;
+		//No more Listeners. The event can be removed from the list
+		iEventArray.FindInOrder(event,index,iOrder);
+		iEventArray.Remove(index);
+		delete event;
+	}
+	return KErrNone;
+}
+
+