/*  This file is part of the KDE project.

Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

This library is free software: you can redistribute it and/or modify

it under the terms of the GNU Lesser General Public License as published by

the Free Software Foundation, either version 2.1 or 3 of the License.

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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License

along with this library.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef PHONON_MMF_DOWNLOAD_H

#define PHONON_MMF_DOWNLOAD_H

#include <QtCore/QMetaType>

#include <QtCore/QString>

#include <QtCore/QUrl>

#include <downloadmgrclient.h>

QT_FORWARD_DECLARE_CLASS(QByteArray)

QT_FORWARD_DECLARE_CLASS(QFile)

QT_BEGIN_NAMESPACE

namespace Phonon

{

namespace MMF

{

class Download;

class DownloadPrivate : public QObject

                      , public MHttpDownloadMgrObserver

{

    Q_OBJECT

public:

    DownloadPrivate(Download *parent);

    ~DownloadPrivate();

    bool start(int iap);

    void resume();

signals:

    void error();

    void targetFileNameChanged();

    void lengthChanged(qint64 length);

    void complete();

private:

    // MHttpDownloadMgrObserver

    void HandleDMgrEventL(RHttpDownload &aDownload, THttpDownloadEvent aEvent);

private:

    Download *m_parent;

    RHttpDownloadMgr m_downloadManager;

    RHttpDownload *m_download;

    qint64 m_length;

};

class Download : public QObject

{

    Q_OBJECT

    friend class DownloadPrivate;

public:

    Download(const QUrl &url, QObject *parent = 0);

    ~Download();

    const QUrl &sourceUrl() const;

    const QString &targetFileName() const;

    void start(int iap);

    void resume();

    enum State {

        Idle,

        Initializing,

        Downloading,

        Complete,

        Error

    };

signals:

    void lengthChanged(qint64 length);

    void stateChanged(Download::State state);

private:

    void setState(State state);

    // Called by DownloadPrivate

    void error();

    void downloadStarted(const QString &targetFileName);

    void complete();

private:

    DownloadPrivate *m_private;

    QUrl m_sourceUrl;

    QString m_targetFileName;

    State m_state;

};

}

}

QT_END_NAMESPACE

Q_DECLARE_METATYPE(Phonon::MMF::Download::State)

#endif