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/* Copyright 2013 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 "ProgressProvider.h"
class Task : public ProgressProvider
{
Q_OBJECT
public:
explicit Task(QObject *parent = 0);
virtual ~Task() {};
virtual bool isRunning() const;
/*!
* True if this task was successful.
* If the task failed or is still running, returns false.
*/
virtual bool successful() 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.
*/
virtual QString failReason() const;
public
slots:
virtual void start();
virtual void abort() {};
protected:
virtual void executeTask() = 0;
protected slots:
virtual void emitSucceeded();
virtual void emitFailed(QString reason);
protected
slots:
void setStatus(const QString &status);
void setProgress(int progress);
protected:
bool m_running = false;
bool m_succeeded = false;
QString m_failReason = "";
};
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