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/* SPDX-FileCopyrightText: 2026 Project Tick
* SPDX-FileContributor: Project Tick
* SPDX-License-Identifier: GPL-3.0-or-later
*
* MeshMC - A Custom Launcher for Minecraft
* Copyright (C) 2026 Project Tick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <QObject>
#include <QString>
#include <QStringList>
#include "QObjectPtr.h"
class Task : public QObject
{
Q_OBJECT
public:
using Ptr = shared_qobject_ptr<Task>;
enum class State { Inactive, Running, Succeeded, Failed, AbortedByUser };
public:
explicit Task(QObject* parent = 0);
virtual ~Task() {};
bool isRunning() const;
bool isFinished() const;
bool wasSuccessful() const;
/*!
* Returns the string that was passed to emitFailed as the error message
* when the task failed. If the task hasn't failed, returns an empty string.
*/
QString failReason() const;
virtual QStringList warnings() const;
virtual bool canAbort() const
{
return false;
}
QString getStatus()
{
return m_status;
}
qint64 getProgress()
{
return m_progress;
}
qint64 getTotalProgress()
{
return m_progressTotal;
}
protected:
void logWarning(const QString& line);
private:
QString describe();
signals:
void started();
void progress(qint64 current, qint64 total);
void finished();
void succeeded();
void failed(QString reason);
void status(QString status);
public slots:
virtual void start();
virtual bool abort()
{
return false;
};
protected:
virtual void executeTask() = 0;
protected slots:
virtual void emitSucceeded();
virtual void emitAborted();
virtual void emitFailed(QString reason);
public slots:
void setStatus(const QString& status);
void setProgress(qint64 current, qint64 total);
private:
State m_state = State::Inactive;
QStringList m_Warnings;
QString m_failReason = "";
QString m_status;
int m_progress = 0;
int m_progressTotal = 100;
};
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