--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/email_plat/nmail_client_api/inc/nmapimessagetask.h Thu Sep 30 11:43:07 2010 +0300
@@ -0,0 +1,60 @@
+/*
+ * 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:
+ *
+ */
+
+#ifndef NMAPIMESSAGETASK_H_
+#define NMAPIMESSAGETASK_H_
+
+#include <QObject>
+
+#include <nmapidef.h>
+
+/*!
+ base class for async tasks
+ */
+class NMAPI_EXPORT NmApiMessageTask : public QObject
+{
+ Q_OBJECT
+protected:
+ NmApiMessageTask(QObject *parent);
+
+public:
+ virtual ~NmApiMessageTask();
+
+public slots:
+ /*!
+ Starts task and returns true if starting succeeded.
+ */
+ virtual bool start() = 0;
+
+ /*!
+ Cancels started but not yet completed task. may not be applicable
+ in all tasks.
+ */
+ virtual void cancel() = 0;
+
+ signals:
+ /*!
+ task failed, error code is specific to concrete task
+ */
+ void failed (int error);
+ /*!
+ task canceled
+ */
+ void canceled();
+};
+
+#endif /*NMAPIMESSAGETASK_H_ */