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Diffstat (limited to 'logic/tasks/Task.h')
| -rw-r--r-- | logic/tasks/Task.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/logic/tasks/Task.h b/logic/tasks/Task.h new file mode 100644 index 00000000..80d5e38b --- /dev/null +++ b/logic/tasks/Task.h @@ -0,0 +1,66 @@ +/* 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 QString getStatus() const; + virtual void getProgress(qint64 ¤t, qint64 &total); + 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; + + virtual void emitSucceeded(); + virtual void emitFailed(QString reason); + +protected +slots: + void setStatus(const QString &status); + void setProgress(int progress); + +protected: + QString m_status; + int m_progress = 0; + bool m_running = false; + bool m_succeeded = false; + QString m_failReason = ""; +}; |