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/****************************************************************************
**
** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef TASK_H
#define TASK_H
#include "updater.h"
#include <QObject>
namespace KDUpdater {
class KDTOOLS_EXPORT Task : public QObject
{
Q_OBJECT
public:
enum Capability
{
NoCapability = 0,
Pausable = 1,
Stoppable = 2
};
virtual ~Task();
QString name() const;
int capabilities() const;
int error() const;
QString errorString() const;
bool isRunning() const;
bool isFinished() const;
bool isPaused() const;
bool isStopped() const;
int progressPercent() const;
QString progressText() const;
bool autoDelete() const;
void setAutoDelete(bool autoDelete);
public Q_SLOTS:
void run();
void stop();
void pause();
void resume();
Q_SIGNALS:
void error(int code, const QString &errorText);
void progressValue(int percent);
void progressText(const QString &progressText);
void started();
void paused();
void resumed();
void stopped();
void finished();
protected:
explicit Task(const QString &name, int caps = NoCapability, QObject *parent = 0);
void reportProgress(int percent, const QString &progressText);
void reportError(int errorCode, const QString &errorText);
void reportError(const QString &errorText);
void reportDone();
// Task interface
virtual void doRun() = 0;
virtual bool doStop() = 0;
virtual bool doPause() = 0;
virtual bool doResume() = 0;
private:
int m_caps;
QString m_name;
int m_errorCode;
QString m_errorText;
bool m_started;
bool m_finished;
bool m_paused;
bool m_stopped;
int m_progressPc;
QString m_progressText;
bool m_autoDelete;
};
} // namespace KDUpdater
#endif // TASK_H
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