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163 lines
3.7 KiB
163 lines
3.7 KiB
/* This file is part of the KDE project
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Copyright (C) 2000 Simon Hausmann <hausmann@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef __konq_undo_h__
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#define __konq_undo_h__
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#include <tqobject.h>
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#include <tqstring.h>
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#include <tqvaluestack.h>
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#include <dcopobject.h>
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#include <kurl.h>
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#include <libkonq_export.h>
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namespace KIO
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{
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class Job;
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}
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class KonqUndoJob;
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struct KonqBasicOperation
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{
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typedef TQValueStack<KonqBasicOperation> Stack;
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KonqBasicOperation()
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{ m_valid = false; }
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bool m_valid;
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bool m_directory;
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bool m_renamed;
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bool m_link;
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KURL m_src;
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KURL m_dst;
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TQString m_target;
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};
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struct KonqCommand
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{
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typedef TQValueStack<KonqCommand> Stack;
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enum Type { COPY, MOVE, LINK, MKDIR, TRASH };
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KonqCommand()
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{ m_valid = false; }
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bool m_valid;
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Type m_type;
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KonqBasicOperation::Stack m_opStack;
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KURL::List m_src;
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KURL m_dst;
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};
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class KonqCommandRecorder : public QObject
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{
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Q_OBJECT
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public:
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KonqCommandRecorder( KonqCommand::Type op, const KURL::List &src, const KURL &dst, KIO::Job *job );
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virtual ~KonqCommandRecorder();
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private slots:
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void slotResult( KIO::Job *job );
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void slotCopyingDone( KIO::Job *, const KURL &from, const KURL &to, bool directory, bool renamed );
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void slotCopyingLinkDone( KIO::Job *, const KURL &from, const TQString &target, const KURL &to );
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private:
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class KonqCommandRecorderPrivate;
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KonqCommandRecorderPrivate *d;
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};
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class LIBKONQ_EXPORT KonqUndoManager : public TQObject, public DCOPObject
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{
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Q_OBJECT
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K_DCOP
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friend class KonqUndoJob;
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public:
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enum UndoState { MAKINGDIRS, MOVINGFILES, REMOVINGDIRS, REMOVINGFILES };
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KonqUndoManager();
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virtual ~KonqUndoManager();
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static void incRef();
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static void decRef();
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static KonqUndoManager *self();
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void addCommand( const KonqCommand &cmd );
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bool undoAvailable() const;
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TQString undoText() const;
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public slots:
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void undo();
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signals:
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void undoAvailable( bool avail );
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void undoTextChanged( const TQString &text );
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protected:
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/**
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* @internal
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*/
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void stopUndo( bool step );
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private:
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k_dcop:
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virtual ASYNC push( const KonqCommand &cmd );
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virtual ASYNC pop();
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virtual ASYNC lock();
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virtual ASYNC unlock();
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virtual KonqCommand::Stack get() const;
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private slots:
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void slotResult( KIO::Job *job );
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private:
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void undoStep();
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void undoMakingDirectories();
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void undoMovingFiles();
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void undoRemovingFiles();
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void undoRemovingDirectories();
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void broadcastPush( const KonqCommand &cmd );
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void broadcastPop();
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void broadcastLock();
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void broadcastUnlock();
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void addDirToUpdate( const KURL& url );
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bool initializeFromKDesky();
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class KonqUndoManagerPrivate;
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KonqUndoManagerPrivate *d;
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static KonqUndoManager *s_self;
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static unsigned long s_refCnt;
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};
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TQDataStream &operator<<( TQDataStream &stream, const KonqBasicOperation &op );
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TQDataStream &operator>>( TQDataStream &stream, KonqBasicOperation &op );
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TQDataStream &operator<<( TQDataStream &stream, const KonqCommand &cmd );
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TQDataStream &operator>>( TQDataStream &stream, KonqCommand &cmd );
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#endif
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