/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Assistant of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 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 the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
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** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QHELPDATAINTERFACE_H
#define QHELPDATAINTERFACE_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the help generator tools. This header file may change from version
// to version without notice, or even be removed.
//
// We mean it.
//

#include "qhelp_global.h"

#include <QtCore/QStringList>
#include <QtCore/QSharedData>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QHELP_EXPORT QHelpDataContentItem
{
public:
    QHelpDataContentItem(QHelpDataContentItem *parent, const QString &title,
        const QString &reference);
    ~QHelpDataContentItem();

    QString title() const;
    QString reference() const;
    QList<QHelpDataContentItem*> children() const;

private:
    QString m_title;
    QString m_reference;
    QList<QHelpDataContentItem*> m_children;
};

struct QHELP_EXPORT QHelpDataIndexItem {
    QHelpDataIndexItem() {}
    QHelpDataIndexItem(const QString &n, const QString &id, const QString &r)
        : name(n), identifier(id), reference(r) {}

    QString name;
    QString identifier;
    QString reference;
    
    bool operator==(const QHelpDataIndexItem & other) const;
};

class QHelpDataFilterSectionData : public QSharedData
{
public:
    ~QHelpDataFilterSectionData()
    {
        qDeleteAll(contents);
    }

    QStringList filterAttributes;
    QList<QHelpDataIndexItem> indices;
    QList<QHelpDataContentItem*> contents;
    QStringList files;
};

class QHELP_EXPORT QHelpDataFilterSection
{
public:
    QHelpDataFilterSection();

    void addFilterAttribute(const QString &filter);
    QStringList filterAttributes() const;

    void addIndex(const QHelpDataIndexItem &index);
    void setIndices(const QList<QHelpDataIndexItem> &indices);
    QList<QHelpDataIndexItem> indices() const;

    void addContent(QHelpDataContentItem *content);
    void setContents(const QList<QHelpDataContentItem*> &contents);
    QList<QHelpDataContentItem*> contents() const;

    void addFile(const QString &file);
    void setFiles(const QStringList &files);
    QStringList files() const;

private:
    QSharedDataPointer<QHelpDataFilterSectionData> d;
};

struct QHELP_EXPORT QHelpDataCustomFilter {
    QStringList filterAttributes;
    QString name;
};

class QHELP_EXPORT QHelpDataInterface
{
public:
    QHelpDataInterface() {}
    virtual ~QHelpDataInterface() {}

    virtual QString namespaceName() const = 0;
    virtual QString virtualFolder() const = 0;
    virtual QList<QHelpDataCustomFilter> customFilters() const = 0;
    virtual QList<QHelpDataFilterSection> filterSections() const = 0;
    virtual QMap<QString, QVariant> metaData() const = 0;
    virtual QString rootPath() const = 0;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QHELPDATAINTERFACE_H