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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* 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, version 3.
*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* === Upstream License Block (Do Not Modify) ==============================
*
*
*
* Prism Launcher - Minecraft Launcher
* Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
* Copyright (c) 2023 Rachel Powers <508861+Ryex@users.noreply.github.com>
*
* 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, version 3.
*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* 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 <QHash>
#include <QQueue>
#include <QSet>
#include <QUuid>
#include <memory>
#include "tasks/Task.h"
/*!
* Runs a list of tasks concurrently (according to `max_concurrent` parameter).
* Behaviour is the same as regular Task (e.g. starts using start())
*/
class ConcurrentTask : public Task
{
Q_OBJECT
public:
using Ptr = shared_qobject_ptr<ConcurrentTask>;
explicit ConcurrentTask(QString task_name = "", int max_concurrent = 6);
~ConcurrentTask() override;
// safe to call before starting the task
void setMaxConcurrent(int max_concurrent)
{
m_total_max_size = max_concurrent;
}
bool canAbort() const override
{
return true;
}
inline auto isMultiStep() const -> bool override
{
return totalSize() > 1;
}
auto getStepProgress() const -> TaskStepProgressList override;
//! Adds a task to execute in this ConcurrentTask
void addTask(Task::Ptr task);
public slots:
bool abort() override;
/** Resets the internal state of the task.
* This allows the same task to be re-used.
*/
void clear();
protected slots:
void executeTask() override;
virtual void executeNextSubTask();
void subTaskSucceeded(Task::Ptr);
virtual void subTaskFailed(Task::Ptr, const QString& msg);
void subTaskFinished(Task::Ptr, TaskStepState);
void subTaskStatus(Task::Ptr task, const QString& msg);
void subTaskDetails(Task::Ptr task, const QString& msg);
void subTaskProgress(Task::Ptr task, qint64 current, qint64 total);
protected:
// NOTE: This is not thread-safe.
unsigned int totalSize() const
{
return static_cast<unsigned int>(m_queue.size() + m_doing.size() + m_done.size());
}
virtual void updateState();
void startSubTask(Task::Ptr task);
protected:
QQueue<Task::Ptr> m_queue;
QHash<Task*, Task::Ptr> m_doing;
QHash<Task*, Task::Ptr> m_done;
QHash<Task*, Task::Ptr> m_failed;
QHash<Task*, Task::Ptr> m_succeeded;
QHash<QUuid, std::shared_ptr<TaskStepProgress>> m_task_progress;
int m_total_max_size;
};
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