1 files changed, 131 insertions, 0 deletions
diff --git a/meshmc/launcher/tasks/Task.h b/meshmc/launcher/tasks/Task.h
new file mode 100644
index 0000000000..8019c9bd9c
--- /dev/null
+++ b/meshmc/launcher/tasks/Task.h
@@ -0,0 +1,131 @@
+/* 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;
+};