loggingservices/eventlogger/Shared/LogViewObserver.h
changeset 0 08ec8eefde2f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loggingservices/eventlogger/Shared/LogViewObserver.h	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,70 @@
+// 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:
+//
+
+#ifndef __LOGVIEWOBSERVER_H__
+#define __LOGVIEWOBSERVER_H__
+
+// System includes
+#include <e32base.h>
+
+// User includes
+#include <logwrap.h>
+#include <logview.h>
+
+// Classes referenced
+class CLogClient;
+class CLogChangeDefinition;
+class MLogViewChangeObserverInternal;
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// -----> CLogViewObserver (header)
+/////////////////////////////////////////////////////////////////////////////////////////
+NONSHARABLE_CLASS(CLogViewObserver) : public CActive
+/**
+@internalComponent
+*/
+	{
+public:
+	static CLogViewObserver* NewL(CLogView& aView, CLogClient& aClient, MLogViewChangeObserverInternal& aObserver, TLogViewId aViewId, TInt aPriority);
+	~CLogViewObserver();
+
+private:
+	CLogViewObserver(CLogView& aView, CLogClient& aClient, MLogViewChangeObserverInternal& aObserver, TLogViewId aViewId, TInt aPriority);
+	void ConstructL();
+
+public:
+	void RequestChanges();
+
+private: // FROM CActive
+	void RunL();
+	void DoCancel();
+	TInt RunError(TInt aError);
+
+private:
+	void RequestChangesCancel();
+	void FetchChangesL(TInt aBufferSizeRequired);
+	void NotifyObserverL();
+
+private:
+	CLogClient& iClient;
+	MLogViewChangeObserverInternal& iObserver;
+	TLogViewId iViewId;
+	CLogChangeDefinition* iChanges;
+	CLogView& iView;
+	};
+
+
+#endif