/****************************************************************************
**
** 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:
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** Alternatively, this file may be used in accordance with the terms and
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** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef INSTALLDIALOG_H
#define INSTALLDIALOG_H

#include <QtCore/QQueue>
#include <QtGui/QDialog>
#include <QtNetwork/QHttpResponseHeader>
#include "ui_installdialog.h"

#ifndef QT_NO_HTTP

QT_BEGIN_NAMESPACE

class QHttp;
class QBuffer;
class QFile;
class QHelpEngineCore;

class InstallDialog : public QDialog
{
    Q_OBJECT

public:
    explicit InstallDialog(QHelpEngineCore *helpEngine, QWidget *parent = 0,
        const QString &host = QString(), int port = -1);
    ~InstallDialog();

    QStringList installedDocumentations() const;

private slots:
    void init();
    void cancelDownload();
    void install();
    void httpRequestFinished(int requestId, bool error);
    void readResponseHeader(const QHttpResponseHeader &responseHeader);
    void updateDataReadProgress(int bytesRead, int totalBytes);
    void updateInstallButton();
    void browseDirectories();

private:
    void downloadNextFile();
    void updateDocItemList();
    void installFile(const QString &fileName);

    Ui::InstallDialog m_ui;
    QHelpEngineCore *m_helpEngine;
    QHttp *m_http;
    QBuffer *m_buffer;
    QFile *m_file;
    bool m_httpAborted;
    int m_docInfoId;
    int m_docId;
    QQueue<QListWidgetItem*> m_itemsToInstall;
    QString m_currentCheckSum;
    QString m_windowTitle;
    QStringList m_installedDocumentations;
    QString m_host;
    int m_port;
};

QT_END_NAMESPACE

#endif

#endif // INSTALLDIALOG_H