80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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***************************************************************************/
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#if !defined(OPERATIONRUNNER__H)
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#define OPERATIONRUNNER__H
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#include <QThread>
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#include <QMutex>
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#include <qglobal.h>
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class Operation;
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class OperationStack;
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class Report;
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/** Thread to run the Operations in the OperationStack.
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Runs the OperationStack when the user applies operations.
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@author Volker Lanz <vl@fidra.de>
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*/
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class OperationRunner : public QThread
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{
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Q_OBJECT
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Q_DISABLE_COPY(OperationRunner)
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public:
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OperationRunner(QObject* parent, OperationStack& ostack);
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public:
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void run();
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qint32 numJobs() const;
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qint32 numOperations() const;
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qint32 numProgressSub() const;
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bool isCancelling() const { return m_Cancelling; } /**< @return if the user has requested cancelling */
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void cancel() const { m_Cancelling = true; } /**< Sets cancelling to true. */
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QMutex& suspendMutex() const { return m_SuspendMutex; } /**< @return the QMutex used for syncing */
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QString description(qint32 op) const;
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void setReport(Report* report) { m_Report = report; } /**< @param report the Report to use while running */
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signals:
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void progressSub(int);
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void opStarted(int, Operation*);
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void opFinished(int, Operation*);
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void finished();
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void cancelled();
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void error();
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protected:
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OperationStack& operationStack() { return m_OperationStack; }
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const OperationStack& operationStack() const { return m_OperationStack; }
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void setCancelling(bool b) { m_Cancelling = b; }
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Report& report() { Q_ASSERT(m_Report); return *m_Report; }
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private:
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OperationStack& m_OperationStack;
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Report* m_Report;
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mutable QMutex m_SuspendMutex;
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mutable volatile bool m_Cancelling;
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};
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#endif
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