75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/* Copyright 2013-2015 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <QObject>
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#include <QString>
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class Task : public QObject
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{
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Q_OBJECT
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public:
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explicit Task(QObject *parent = 0);
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virtual ~Task() {};
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virtual bool isRunning() const;
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/*!
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* True if this task was successful.
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* If the task failed or is still running, returns false.
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*/
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virtual bool successful() const;
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/*!
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* Returns the string that was passed to emitFailed as the error message when the task failed.
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* If the task hasn't failed, returns an empty string.
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*/
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virtual QString failReason() const;
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virtual bool canAbort() const { return false; }
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signals:
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void started();
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void progress(qint64 current, qint64 total);
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void finished();
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void succeeded();
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void failed(QString reason);
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void status(QString status);
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public
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slots:
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virtual void start();
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virtual void abort() {};
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protected:
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virtual void executeTask() = 0;
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protected slots:
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virtual void emitSucceeded();
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virtual void emitFailed(QString reason);
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protected
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slots:
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void setStatus(const QString &status);
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void setProgress(int progress);
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protected:
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bool m_running = false;
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bool m_succeeded = false;
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QString m_failReason = "";
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};
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