author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:04:17 +0300 | |
branch | RCL_3 |
changeset 63 | d189ee25cf9d |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#ifndef NMAPIMESSAGETASK_H_ |
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#define NMAPIMESSAGETASK_H_ |
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#include <QObject> |
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#include <nmapidef.h> |
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/*! |
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base class for async tasks |
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*/ |
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class NMAPI_EXPORT NmApiMessageTask : public QObject |
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{ |
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Q_OBJECT |
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protected: |
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NmApiMessageTask(QObject *parent); |
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public: |
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virtual ~NmApiMessageTask(); |
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public slots: |
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/*! |
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Starts task and returns true if starting succeeded. |
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*/ |
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virtual bool start() = 0; |
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/*! |
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Cancels started but not yet completed task. may not be applicable |
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in all tasks. |
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*/ |
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virtual void cancel() = 0; |
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signals: |
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/*! |
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task failed, error code is specific to concrete task |
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*/ |
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void failed (int error); |
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/*! |
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task canceled |
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*/ |
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void canceled(); |
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}; |
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#endif /*NMAPIMESSAGETASK_H_ */ |