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/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Application Manager.
**
** $QT_BEGIN_LICENSE:LGPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite 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 https://www.qt.io/terms-conditions.
** For further information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: LGPL-3.0
**
****************************************************************************/
#pragma once
#include <QThread>
#include <QMutex>
#include <QtAppManCommon/error.h>
QT_BEGIN_NAMESPACE_AM
class AsynchronousTask : public QThread
{
Q_OBJECT
public:
enum TaskState
{
Invalid,
Queued,
Executing,
Failed,
Finished,
// installation task only
AwaitingAcknowledge,
Installing,
CleaningUp
};
Q_ENUM(TaskState)
AsynchronousTask(QObject *parent = nullptr);
QString id() const;
TaskState state() const;
void setState(TaskState state);
bool hasFailed() const;
Error errorCode() const;
QString errorString() const;
virtual bool cancel();
bool forceCancel(); // will always work in Queued state
QString packageId() const; // convenience
virtual bool preExecute();
virtual bool postExecute();
signals:
void stateChanged(QT_PREPEND_NAMESPACE_AM(AsynchronousTask::TaskState) newState);
void progress(qreal p);
protected:
void setError(Error errorCode, const QString &errorString);
virtual void execute() = 0;
void run() override final;
protected:
QMutex m_mutex;
QString m_id;
QString m_packageId;
TaskState m_state = Queued;
Error m_errorCode = Error::None;
QString m_errorString;
};
QT_END_NAMESPACE_AM
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