180 lines
5.6 KiB
C++
180 lines
5.6 KiB
C++
/*************************************************************************
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* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
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* Copyright (C) 2016 by Andrius Štikonas <andrius@stikonas.eu> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (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, see <http://www.gnu.org/licenses/>.*
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*************************************************************************/
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#if !defined(KPMCORE_RESIZEOPERATION_H)
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#define KPMCORE_RESIZEOPERATION_H
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#include "util/libpartitionmanagerexport.h"
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#include "ops/operation.h"
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#include "core/partition.h"
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#include <QString>
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class Device;
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class OperationStack;
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class Report;
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class CheckFileSystemJob;
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class SetPartGeometryJob;
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class ResizeFileSystemJob;
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class SetPartGeometryJob;
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class SetPartGeometryJob;
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class MoveFileSystemJob;
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class ResizeFileSystemJob;
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class CheckFileSystemJob;
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/** Resizes a Partition and FileSystem.
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Resize the given Partition and its FileSystem on the given Device so they start with the
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given new start sector and end with the given new last sector.
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@author Volker Lanz <vl@fidra.de>
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*/
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class LIBKPMCORE_EXPORT ResizeOperation : public Operation
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{
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friend class OperationStack;
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Q_DISABLE_COPY(ResizeOperation)
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protected:
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/** A ResizeOperation can do a combination of things; this enum is used to determine what
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actually is going to be done. It is used so the ResizeOperation can describe itself and
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when it's actually executed. */
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enum ResizeAction {
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None = 0, /**< Nothing */
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MoveLeft = 1, /**< Move to the left */
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MoveRight = 2, /**< Move to the right */
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Grow = 4, /**< Grow */
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Shrink = 8, /**< Shrink */
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MoveLeftGrow = 5, /**< Move to the left then grow */
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MoveRightGrow = 6, /**< Move to the right then grow */
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MoveLeftShrink = 9, /**< Shrink then move to the left */
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MoveRightShrink = 10 /**< Shrink then move to the right */
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};
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public:
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ResizeOperation(Device& d, Partition& p, qint64 newfirst, qint64 newlast);
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public:
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QString iconName() const override {
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return QStringLiteral("arrow-right-double");
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}
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QString description() const override;
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bool execute(Report& parent) override;
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void preview() override;
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void undo() override;
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bool targets(const Device& d) const override;
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bool targets(const Partition& p) const override;
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static bool canGrow(const Partition* p);
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static bool canShrink(const Partition* p);
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static bool canMove(const Partition* p);
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protected:
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Device& targetDevice() {
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return m_TargetDevice;
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}
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const Device& targetDevice() const {
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return m_TargetDevice;
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}
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Partition& partition() {
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return m_Partition;
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}
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const Partition& partition() const {
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return m_Partition;
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}
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bool shrink(Report& report);
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bool move(Report& report);
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bool grow(Report& report);
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ResizeAction resizeAction() const;
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qint64 origFirstSector() const {
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return m_OrigFirstSector;
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}
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qint64 origLastSector() const {
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return m_OrigLastSector;
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}
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qint64 origLength() const {
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return origLastSector() - origFirstSector() + 1;
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}
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qint64 newFirstSector() const {
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return m_NewFirstSector;
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}
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qint64 newLastSector() const {
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return m_NewLastSector;
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}
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qint64 newLength() const {
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return newLastSector() - newFirstSector() + 1;
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}
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CheckFileSystemJob* checkOriginalJob() {
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return m_CheckOriginalJob;
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}
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SetPartGeometryJob* moveExtendedJob() {
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return m_MoveExtendedJob;
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}
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ResizeFileSystemJob* shrinkResizeJob() {
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return m_ShrinkResizeJob;
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}
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SetPartGeometryJob* shrinkSetGeomJob() {
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return m_ShrinkSetGeomJob;
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}
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SetPartGeometryJob* moveSetGeomJob() {
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return m_MoveSetGeomJob;
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}
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MoveFileSystemJob* moveFileSystemJob() {
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return m_MoveFileSystemJob;
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}
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ResizeFileSystemJob* growResizeJob() {
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return m_GrowResizeJob;
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}
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SetPartGeometryJob* growSetGeomJob() {
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return m_GrowSetGeomJob;
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}
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CheckFileSystemJob* checkResizedJob() {
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return m_CheckResizedJob;
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}
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private:
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Device& m_TargetDevice;
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Partition& m_Partition;
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const qint64 m_OrigFirstSector;
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const qint64 m_OrigLastSector;
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qint64 m_NewFirstSector;
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qint64 m_NewLastSector;
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CheckFileSystemJob* m_CheckOriginalJob;
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SetPartGeometryJob* m_MoveExtendedJob;
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ResizeFileSystemJob* m_ShrinkResizeJob;
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SetPartGeometryJob* m_ShrinkSetGeomJob;
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SetPartGeometryJob* m_MoveSetGeomJob;
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MoveFileSystemJob* m_MoveFileSystemJob;
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ResizeFileSystemJob* m_GrowResizeJob;
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SetPartGeometryJob* m_GrowSetGeomJob;
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CheckFileSystemJob* m_CheckResizedJob;
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};
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#endif
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