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/* This file is part of the KDE project
Copyright (C) 2000 Simon Hausmann <hausmann@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 __konq_undo_h__
#define __konq_undo_h__
#include <tqobject.h>
#include <tqstring.h>
#include <tqvaluestack.h>
#include <dcopobject.h>
#include <kurl.h>
#include <libkonq_export.h>
namespace KIO
{
class Job;
}
class KonqUndoJob;
struct KonqBasicOperation
{
typedef TQValueStack<KonqBasicOperation> Stack;
KonqBasicOperation()
{ m_valid = false; }
bool m_valid;
bool m_directory;
bool m_renamed;
bool m_link;
KURL m_src;
KURL m_dst;
TQString m_target;
};
struct KonqCommand
{
typedef TQValueStack<KonqCommand> Stack;
enum Type { COPY, MOVE, LINK, MKDIR, TRASH };
KonqCommand()
{ m_valid = false; }
bool m_valid;
Type m_type;
KonqBasicOperation::Stack m_opStack;
KURL::List m_src;
KURL m_dst;
};
class KonqCommandRecorder : public TQObject
{
Q_OBJECT
public:
KonqCommandRecorder( KonqCommand::Type op, const KURL::List &src, const KURL &dst, KIO::Job *job );
virtual ~KonqCommandRecorder();
private slots:
void slotResult( KIO::Job *job );
void slotCopyingDone( KIO::Job *, const KURL &from, const KURL &to, bool directory, bool renamed );
void slotCopyingLinkDone( KIO::Job *, const KURL &from, const TQString &target, const KURL &to );
private:
class KonqCommandRecorderPrivate;
KonqCommandRecorderPrivate *d;
};
class LIBKONQ_EXPORT KonqUndoManager : public TQObject, public DCOPObject
{
Q_OBJECT
K_DCOP
friend class KonqUndoJob;
public:
enum UndoState { MAKINGDIRS, MOVINGFILES, REMOVINGDIRS, REMOVINGFILES };
KonqUndoManager();
virtual ~KonqUndoManager();
static void incRef();
static void decRef();
static KonqUndoManager *self();
void addCommand( const KonqCommand &cmd );
bool undoAvailable() const;
TQString undoText() const;
public slots:
void undo();
signals:
void undoAvailable( bool avail );
void undoTextChanged( const TQString &text );
protected:
/**
* @internal
*/
void stopUndo( bool step );
private:
k_dcop:
virtual ASYNC push( const KonqCommand &cmd );
virtual ASYNC pop();
virtual ASYNC lock();
virtual ASYNC unlock();
virtual KonqCommand::Stack get() const;
private slots:
void slotResult( KIO::Job *job );
private:
void undoStep();
void undoMakingDirectories();
void undoMovingFiles();
void undoRemovingFiles();
void undoRemovingDirectories();
void broadcastPush( const KonqCommand &cmd );
void broadcastPop();
void broadcastLock();
void broadcastUnlock();
void addDirToUpdate( const KURL& url );
bool initializeFromKDesky();
class KonqUndoManagerPrivate;
KonqUndoManagerPrivate *d;
static KonqUndoManager *s_self;
static unsigned long s_refCnt;
};
TQDataStream &operator<<( TQDataStream &stream, const KonqBasicOperation &op );
TQDataStream &operator>>( TQDataStream &stream, KonqBasicOperation &op );
TQDataStream &operator<<( TQDataStream &stream, const KonqCommand &cmd );
TQDataStream &operator>>( TQDataStream &stream, KonqCommand &cmd );
#endif
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