loggingservices/eventlogger/LogCli/src/LogViewWindowChangeObserver.cpp
changeset 0 08ec8eefde2f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loggingservices/eventlogger/LogCli/src/LogViewWindowChangeObserver.cpp	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,100 @@
+// Copyright (c) 2002-2009 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 "LogViewWindowChangeObserver.h"
+
+// Constants
+const TInt KLogViewIgnoreStackGranularity = 3;
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// -----> CLogViewWindowChangeObserver (source)
+/////////////////////////////////////////////////////////////////////////////////////////
+
+CLogViewWindowChangeObserver::CLogViewWindowChangeObserver(MLogViewChangeObserverInternal& aObserver)
+:	iObserver(aObserver), iIgnoreStack(KLogViewIgnoreStackGranularity)
+	{
+	}
+
+CLogViewWindowChangeObserver::~CLogViewWindowChangeObserver()
+	{
+	iIgnoreStack.Close();
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+
+void CLogViewWindowChangeObserver::IgnoreNextEventL(TLogId aId, TType aType)
+	{
+	TIgnoreEvent event(aId, aType);
+	User::LeaveIfError(iIgnoreStack.Append(event));
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+
+void CLogViewWindowChangeObserver::HandleLogViewChangeEventAddedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount)
+	{
+	const TInt index = Find(aId, ELogEventTypeAdd);
+	if	(index == KErrNotFound)
+		iObserver.HandleLogViewChangeEventAddedL(aId, aViewIndex, aChangeIndex, aTotalChangeCount);
+	else
+		iIgnoreStack.Remove(index);
+	}
+
+void CLogViewWindowChangeObserver::HandleLogViewChangeEventChangedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount)
+	{
+	const TInt index = Find(aId, ELogEventTypeChange);
+	if	(index == KErrNotFound)
+		iObserver.HandleLogViewChangeEventChangedL(aId, aViewIndex, aChangeIndex, aTotalChangeCount);
+	else
+		iIgnoreStack.Remove(index);
+	}
+
+void CLogViewWindowChangeObserver::HandleLogViewChangeEventDeletedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount)
+	{
+	const TInt index = Find(aId, ELogEventTypeDelete);
+	if	(index == KErrNotFound)
+		iObserver.HandleLogViewChangeEventDeletedL(aId, aViewIndex, aChangeIndex, aTotalChangeCount);
+	else
+		iIgnoreStack.Remove(index);
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+
+void CLogViewWindowChangeObserver::HandleLogViewChangeEventLogClearedL()
+	{
+	iObserver.HandleLogViewChangeEventLogClearedL();
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+
+TInt CLogViewWindowChangeObserver::Find(TLogId aId, TType aType) const
+	{
+	const TInt count = iIgnoreStack.Count();
+	for(TInt i=0; i<count; i++)
+		{
+		const TIgnoreEvent& event = iIgnoreStack[i];
+		if	(event.iId == aId && event.iType == aType)
+			return i;
+		}
+	return KErrNotFound;
+	}