137 lines
5.0 KiB
C++
137 lines
5.0 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(RESIZEOPERATION__H)
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#define RESIZEOPERATION__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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/** @brief 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 vl@fidra.de
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*/
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class ResizeOperation : public Operation
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{
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friend class OperationStack;
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Q_OBJECT
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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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{
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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 { return "arrow-right-double"; }
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QString description() const;
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bool execute(Report& parent);
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void preview();
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void undo();
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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() { return m_TargetDevice; }
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const Device& targetDevice() const { return m_TargetDevice; }
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Partition& partition() { return m_Partition; }
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const Partition& partition() const { return m_Partition; }
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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 { return m_OrigFirstSector; }
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qint64 origLastSector() const { return m_OrigLastSector; }
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qint64 origLength() const { return origLastSector() - origFirstSector() + 1; }
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qint64 newFirstSector() const { return m_NewFirstSector; }
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qint64 newLastSector() const { return m_NewLastSector; }
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qint64 newLength() const { return newLastSector() - newFirstSector() + 1; }
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CheckFileSystemJob* checkOriginalJob() { return m_CheckOriginalJob; }
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SetPartGeometryJob* moveExtendedJob() { return m_MoveExtendedJob; }
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ResizeFileSystemJob* shrinkResizeJob() { return m_ShrinkResizeJob; }
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SetPartGeometryJob* shrinkSetGeomJob() { return m_ShrinkSetGeomJob; }
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SetPartGeometryJob* moveSetGeomJob() { return m_MoveSetGeomJob; }
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MoveFileSystemJob* moveFileSystemJob() { return m_MoveFileSystemJob; }
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ResizeFileSystemJob* growResizeJob() { return m_GrowResizeJob; }
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SetPartGeometryJob* growSetGeomJob() { return m_GrowSetGeomJob; }
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CheckFileSystemJob* checkResizedJob() { return m_CheckResizedJob; }
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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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