/usr/include/kio/fileundomanager.h is in kdelibs5-dev 4:4.8.2-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 | /* This file is part of the KDE project
Copyright (C) 2000 Simon Hausmann <hausmann@kde.org>
Copyright (C) 2006, 2008 David Faure <faure@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KIO_FILEUNDOMANAGER_H
#define KIO_FILEUNDOMANAGER_H
#include <QtCore/QObject>
#include <kurl.h>
#include <kio/kio_export.h>
class KDateTime;
namespace KIO
{
class Job;
class CopyJob;
class FileUndoManagerPrivate;
class FileUndoManagerSingleton;
class CommandRecorder;
class UndoCommand;
class UndoJob;
/**
* FileUndoManager: makes it possible to undo kio jobs.
* This class is a singleton, use self() to access its only instance.
*/
class KIO_EXPORT FileUndoManager : public QObject
{
Q_OBJECT
public:
/**
* @return the FileUndoManager instance
*/
static FileUndoManager *self();
/**
* Interface for the gui handling of FileUndoManager.
* This includes three events currently:
* - error when undoing a job
* - confirm deletion before undoing a copy job
* - confirm deletion when the copied file has been modified afterwards
*
* By default UiInterface shows message boxes in all three cases;
* applications can reimplement this interface to provide different user interfaces.
*/
class KIO_EXPORT UiInterface
{
public:
UiInterface();
virtual ~UiInterface();
/**
* Sets whether to show progress info when running the KIO jobs for undoing.
*/
void setShowProgressInfo(bool b);
/**
* @returns whether progress info dialogs are shown while undoing.
*/
bool showProgressInfo() const;
/**
* Sets the parent widget to use for message boxes.
*/
void setParentWidget(QWidget* parentWidget);
/**
* @return the parent widget passed to the last call to undo(parentWidget), or 0.
*/
QWidget* parentWidget() const;
/**
* Called when an undo job errors; default implementation displays a message box.
*/
virtual void jobError(KIO::Job* job);
/**
* Called when we are about to remove those files.
* Return true if we should proceed with deleting them.
*/
virtual bool confirmDeletion(const KUrl::List& files);
/**
* Called when dest was modified since it was copied from src.
* Note that this is called after confirmDeletion.
* Return true if we should proceed with deleting dest.
*/
virtual bool copiedFileWasModified(const KUrl& src, const KUrl& dest, const KDateTime& srcTime, const KDateTime& destTime);
/**
* \internal, for future extensions
*/
virtual void virtual_hook(int id, void* data);
private:
class UiInterfacePrivate;
UiInterfacePrivate *d;
};
/**
* Set a new UiInterface implementation.
* This deletes the previous one.
* @param ui the UiInterface instance, which becomes owned by the undo manager.
*/
void setUiInterface(UiInterface* ui);
/**
* @return the UiInterface instance passed to setUiInterface.
* This is useful for calling setParentWidget on it. Never delete it!
*/
UiInterface* uiInterface() const;
/**
* The type of job.
*
* Put: @since 4.7, represents the creation of a file from data in memory.
* Used when pasting data from clipboard or drag-n-drop.
*/
enum CommandType { Copy, Move, Rename, Link, Mkdir, Trash, Put };
/**
* Record this job while it's happening and add a command for it so that the user can undo it.
* The signal jobRecordingStarted() is emitted.
* @param op the type of job - which is also the type of command that will be created for it
* @param src list of source urls
* @param dst destination url
* @param job the job to record
*/
void recordJob(CommandType op, const KUrl::List &src, const KUrl &dst, KIO::Job *job);
/**
* Record this CopyJob while it's happening and add a command for it so that the user can undo it.
* The signal jobRecordingStarted() is emitted.
*/
void recordCopyJob(KIO::CopyJob* copyJob);
/**
* @return true if undo is possible. Usually used for enabling/disabling the undo action.
*/
bool undoAvailable() const;
/**
* @return the current text for the undo action.
*/
QString undoText() const;
/**
* These two functions are useful when wrapping FileUndoManager and adding custom commands.
* Each command has a unique ID. You can get a new serial number for a custom command
* with newCommandSerialNumber(), and then when you want to undo, check if the command
* FileUndoManager would undo is newer or older than your custom command.
*/
quint64 newCommandSerialNumber();
quint64 currentCommandSerialNumber() const;
public Q_SLOTS:
/**
* Undoes the last command
* Remember to call uiInterface()->setParentWidget(parentWidget) first,
* if you have multiple mainwindows.
*/
void undo();
Q_SIGNALS:
/// Emitted when the value of undoAvailable() changes
void undoAvailable(bool avail);
/// Emitted when the value of undoText() changes
void undoTextChanged(const QString &text);
/// Emitted when an undo job finishes. Used for unit testing.
void undoJobFinished();
/**
* Emitted when a job recording has been started by FileUndoManager::recordJob()
* or FileUndoManager::recordCopyJob(). After the job recording has been finished,
* the signal jobRecordingFinished() will be emitted.
* @since 4.2
*/
void jobRecordingStarted(CommandType op);
/**
* Emitted when a job that has been recorded by FileUndoManager::recordJob()
* or FileUndoManager::recordCopyJob has been finished. The command
* is now available for an undo-operation.
* @since 4.2
*/
void jobRecordingFinished(CommandType op);
private:
FileUndoManager();
virtual ~FileUndoManager();
friend class FileUndoManagerSingleton;
friend class UndoJob;
friend class CommandRecorder;
friend class FileUndoManagerPrivate;
FileUndoManagerPrivate *d;
};
} // namespace
#endif
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