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/* This file is part of the KDE project
* Copyright (C) 2011 Ko GmbH <cbo@kogmbh.com>
*
* 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 INDEXGENERATORMANAGER_H
#define INDEXGENERATORMANAGER_H
#include <QObject>
#include <QMetaType>
#include <QHash>
#include <QTimer>
class QTextDocument;
class KoTextDocumentLayout;
class KoTableOfContentsGeneratorInfo;
class ToCGenerator;
class IndexGeneratorManager : public QObject
{
Q_OBJECT
private:
explicit IndexGeneratorManager(QTextDocument *document);
public:
virtual ~IndexGeneratorManager();
static IndexGeneratorManager *instance(QTextDocument *document);
bool generate();
public Q_SLOTS:
void requestGeneration();
void startDoneTimer();
private Q_SLOTS:
void layoutDone();
void timeout();
private:
enum State {
Resting, // We are not doing anything, and don't need to either
FirstRunNeeded, // We would like to update the indexes, with dummy pg nums
FirstRun, // Updating indexes, so prevent layout and ignore documentChanged()
FirstRunLayouting, // KoTextDocumentLayout is layouting so sit still
SecondRunNeeded, // Would like to update the indexes, getting pg nums right
SecondRun, // Updating indexes, so prevent layout and ignore documentChanged()
SecondRunLayouting // KoTextDocumentLayout is layouting so sit still
};
QTextDocument *m_document;
KoTextDocumentLayout *m_documentLayout;
QHash<KoTableOfContentsGeneratorInfo *, ToCGenerator *> m_generators;
State m_state;
QTimer m_updateTimer;
QTimer m_doneTimer;
};
Q_DECLARE_METATYPE(IndexGeneratorManager *)
#endif
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