103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
/*
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SPDX-FileCopyrightText: 2008-2010 Volker Lanz <vl@fidra.de>
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SPDX-FileCopyrightText: 2008 Laurent Montel <montel@kde.org>
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SPDX-FileCopyrightText: 2014-2016 Andrius Štikonas <andrius@stikonas.eu>
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SPDX-FileCopyrightText: 2015 Teo Mrnjavac <teo@kde.org>
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SPDX-FileCopyrightText: 2015 Chris Campbell <c.j.campbell@ed.ac.uk>
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SPDX-FileCopyrightText: 2019 Yuri Chornoivan <yurchor@ukr.net>
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#ifndef KPMCORE_OPERATIONSTACK_H
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#define KPMCORE_OPERATIONSTACK_H
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#include "util/libpartitionmanagerexport.h"
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#include <QObject>
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#include <QList>
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#include <QReadWriteLock>
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#include <QtGlobal>
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class Device;
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class Partition;
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class Operation;
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class DeviceScanner;
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/** The list of Operations the user wants to have performed.
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OperationStack also handles the Devices that were found on this computer and the merging of
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Operations, e.g., when the user first creates a Partition, then deletes it.
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@author Volker Lanz <vl@fidra.de>
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*/
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class LIBKPMCORE_EXPORT OperationStack : public QObject
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{
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Q_OBJECT
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Q_DISABLE_COPY(OperationStack)
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friend class DeviceScanner;
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public:
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typedef QList<Device*> Devices;
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typedef QList<Operation*> Operations;
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public:
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explicit OperationStack(QObject* parent = nullptr);
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~OperationStack() override;
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Q_SIGNALS:
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void operationsChanged();
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void devicesChanged();
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public:
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void push(Operation* o);
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void pop();
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bool contains(const Partition* p) const;
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void clearOperations();
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int size() const {
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return operations().size(); /**< @return number of operations */
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}
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Devices& previewDevices() {
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return m_PreviewDevices; /**< @return the list of Devices */
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}
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const Devices& previewDevices() const {
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return m_PreviewDevices; /**< @return the list of Devices */
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}
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Operations& operations() {
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return m_Operations; /**< @return the list of operations */
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}
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const Operations& operations() const {
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return m_Operations; /**< @return the list of operations */
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}
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Device* findDeviceForPartition(const Partition* p);
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QReadWriteLock& lock() {
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return m_Lock;
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}
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protected:
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void clearDevices();
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void addDevice(Device* d);
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void sortDevices();
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bool mergeNewOperation(Operation*& currentOp, Operation*& pushedOp);
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bool mergeCopyOperation(Operation*& currentOp, Operation*& pushedOp);
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bool mergeRestoreOperation(Operation*& currentOp, Operation*& pushedOp);
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bool mergePartFlagsOperation(Operation*& currentOp, Operation*& pushedOp);
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bool mergePartLabelOperation(Operation*& currentOp, Operation*& pushedOp);
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bool mergeCreatePartitionTableOperation(Operation*& currentOp, Operation*& pushedOp);
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bool mergeResizeVolumeGroupResizeOperation(Operation*& pushedOp);
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private:
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Operations m_Operations;
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mutable Devices m_PreviewDevices;
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QReadWriteLock m_Lock;
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};
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#endif
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