loggingservices/eventlogger/LogCli/src/LogClientObserver.cpp
changeset 0 08ec8eefde2f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loggingservices/eventlogger/LogCli/src/LogClientObserver.cpp	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,95 @@
+// 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 "LogClientObserver.h"
+
+// System includes
+#include <s32mem.h>
+
+// User includes
+#include <logwrap.h>
+#include <logcli.h>
+#include "logservcli.h"
+#include <logclientchangeobserver.h>
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// -----> CLogClientObserver (source)
+/////////////////////////////////////////////////////////////////////////////////////////
+
+CLogClientObserver::CLogClientObserver(CLogClient& aClient, MLogClientChangeObserver& aObserver, TInt aPriority)
+:	CActive(aPriority), iClient(aClient), iObserver(aObserver)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+CLogClientObserver::~CLogClientObserver()
+	{
+	Cancel();
+	}
+
+CLogClientObserver* CLogClientObserver::NewL(CLogClient& aClient, MLogClientChangeObserver& aObserver, TInt aPriority)
+	{
+	CLogClientObserver* self = new(ELeave) CLogClientObserver(aClient, aObserver, aPriority);
+	self->RequestChanges();
+	return self;
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+
+void CLogClientObserver::RunL()
+	{
+	if	(iStatus.Int() == KErrNone)
+		NotifyObserverL();
+	RequestChanges();
+	}
+
+void CLogClientObserver::DoCancel()
+	{
+	RequestChangesCancel();
+	}
+
+TInt CLogClientObserver::RunError(TInt /*aError*/)
+	{
+	// Ignore any leave when notifying the client
+	return KErrNone;
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////
+
+void CLogClientObserver::RequestChanges()
+	{
+	__ASSERT_DEBUG(!IsActive(), User::Invariant());
+	iClient.Session().Send(ELogNotifyExtended, TIpcArgs(&iContextBuf,&iParamBuf1,&iParamBuf2,&iParamBuf3), iStatus);
+	SetActive();
+	}
+
+void CLogClientObserver::RequestChangesCancel()
+	{
+	iClient.Session().Send(ELogNotifyExtendedCancel, TIpcArgs());
+	}
+
+void CLogClientObserver::NotifyObserverL()
+	{
+	const TUid contextUid = { iContextBuf() };
+	const TInt param1 = iParamBuf1();
+	const TInt param2 = iParamBuf2();
+	const TInt param3 = iParamBuf3();
+	//
+	iObserver.HandleLogClientChangeEventL(contextUid, param1, param2, param3);
+	}