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/****************************************************************************
** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB.  All rights reserved.
**
** This file is part of the KD Tools library.
**
** Licensees holding valid commercial KD Tools licenses may use this file in
** accordance with the KD Tools Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU Lesser General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.LGPL included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/

#ifndef KD_UPDATER_UPDATE_H
#define KD_UPDATER_UPDATE_H

#include "kdupdater.h"
#include "kdupdatertask.h"

#include <QUrl>
#include <QDate>
#include <QHash>
#include <QVariant>
#include <QList>

namespace KDUpdater {

class Application;
struct UpdateSourceInfo;
class UpdateFinder;
class UpdateOperation;

class KDTOOLS_EXPORT Update : public Task
{
    Q_OBJECT

public:
    ~Update();

    Application *application() const;

    UpdateType type() const;
    QUrl updateUrl() const;
    QDate releaseDate() const;
    QVariant data(const QString &m_name, const QVariant &defaultValue = QVariant()) const;
    UpdateSourceInfo sourceInfo() const;

    bool canDownload() const;
    bool isDownloaded() const;
    void download() { run(); }
    QString downloadedFileName() const;

    QList<UpdateOperation *> operations() const;

    quint64 compressedSize() const;
    quint64 uncompressedSize() const;

private Q_SLOTS:
    void downloadProgress(double);
    void downloadAborted(const QString &msg);
    void downloadCompleted();

private:
    friend class UpdateFinder;
    struct UpdateData;
    UpdateData *d;

    void doRun();
    bool doStop();
    bool doPause();
    bool doResume();

    Update(Application *application, const UpdateSourceInfo &sourceInfo,
           UpdateType type, const QUrl &updateUrl, const QHash<QString, QVariant> &data,
           quint64 compressedSize, quint64 uncompressedSize, const QByteArray &sha1sum);
};

} // namespace KDUpdater

#endif // KD_UPDATER_UPDATE_H