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/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception version
** 1.2, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#ifndef HELPENGINE_H
#define HELPENGINE_H
#include <QtCore/QThread>
#include <QtCore/QPair>
#include <QtCore/QMap>
#include <QtCore/QWaitCondition>
#include <QtCore/QMutex>
#include <QtGui/QStringListModel>
#include "docuparser.h"
namespace Help {
namespace Internal {
class HelpEngine;
typedef QList<ContentItem> ContentList;
class IndexListModel: public QStringListModel
{
public:
IndexListModel(QObject *parent = 0)
: QStringListModel(parent) {}
void clear() { contents.clear(); setStringList(QStringList()); }
QString description(int index) const { return stringList().at(index); }
QStringList links(int index) const { return contents.values(stringList().at(index)); }
void addLink(const QString &description, const QString &link) { contents.insert(description, link); }
void publish() { filter(QString(), QString()); }
QModelIndex filter(const QString &s, const QString &real);
virtual Qt::ItemFlags flags(const QModelIndex &index) const
{ return QStringListModel::flags(index) & ~Qt::ItemIsEditable; }
private:
QMultiMap<QString, QString> contents;
};
class TitleMapThread : public QThread
{
Q_OBJECT
public:
TitleMapThread(HelpEngine *he);
~TitleMapThread();
void setup();
QList<QPair<QString, ContentList> > contents() const { return contentList; }
QMap<QString, QString> documentTitleMap() const { return titleMap; }
signals:
void errorOccured(const QString &errMsg);
protected:
void run();
private:
void getAllContents();
void buildContentDict();
QList<QPair<QString, ContentList> > contentList;
QMap<QString, QString> titleMap;
HelpEngine *engine;
bool done;
};
class IndexThread : public QThread
{
Q_OBJECT
public:
IndexThread(HelpEngine *he);
void setup();
IndexListModel *model() const { return indexModel; }
protected:
void run();
signals:
void errorOccured(const QString &errMsg);
private:
void buildKeywordDB();
HelpEngine *engine;
QStringList keywordDocuments;
IndexListModel *indexModel;
bool indexDone;
};
class HelpEngine : public QObject
{
Q_OBJECT
public:
HelpEngine(QObject *parent, const QString& defaultQtVersionPath);
~HelpEngine();
void init();
QList<QPair<QString, ContentList> > contents() const { return contentList; }
IndexListModel *indices();
QString titleOfLink(const QString &link);
static QString removeAnchorFromLink(const QString &link);
QString home() const;
signals:
void indexInitialized();
void contentsInitialized();
void errorOccured(const QString &errMsg);
public slots:
void buildContents();
void buildIndex();
private slots:
void titleMapFinished();
void indexFinished();
private:
friend class TitleMapThread;
friend class IndexThread;
void removeOldCacheFiles(bool onlyFulltextSearchIndex = false);
QString cacheFilePath() const;
quint32 getFileAges();
QList<QPair<QString, ContentList> > contentList;
QMap<QString, QString> titleMap;
QString cacheFilesPath;
IndexListModel *indexModel;
QWaitCondition titleMapDoneCondition;
QMutex mutex;
TitleMapThread *titleMapThread;
IndexThread *indexThread;
bool contentsOnly;
};
} //namespace Internal
} //namespace Help
#endif
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