/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program 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, version 2.1 of the License.

* 

* This program 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 program.  If not, 

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#ifndef __DOWNLOAD_CONTROLLER_H__

#define __DOWNLOAD_CONTROLLER_H__

#include <QObject>

#include "BWFGlobal.h"

#include "downloadproxy.h"

class QFileInfo;

class QNetworkProxy;

class QNetworkReply;

class QNetworkRequest;

class QString;

class QUrl;

class QWebPage;

class DownloadControllerPrivate;

class BWF_EXPORT DownloadController : public QObject

{

    Q_OBJECT

public:

    DownloadController(const QString & client, const QNetworkProxy & proxy);

    ~DownloadController();

public slots:

    bool handlePage(QWebPage * page);

    void startDownload(const QUrl & url, const QFileInfo & info);

private slots:

    void startDownload(QNetworkReply * reply);

    void startDownload(const QNetworkRequest & request);

signals:

    void downloadCreated(DownloadProxy downloadProxy);

    void downloadStarted(DownloadProxy downloadProxy);

    void downloadHeaderReceived(DownloadProxy downloadProxy);

    void downloadProgress(DownloadProxy downloadProxy);

    void downloadFinished(DownloadProxy downloadProxy);

    void downloadPaused(DownloadProxy downloadProxy, const QString & error);

    void downloadCancelled(DownloadProxy downloadProxy, const QString & error);

    void downloadFailed(DownloadProxy downloadProxy, const QString & error);

    void downloadNetworkLoss(DownloadProxy downloadProxy, const QString & error);

    void downloadError(DownloadProxy downloadProxy, const QString & error);

    void downloadsCleared();

    void unsupportedDownload(const QUrl & url);

private:

    DownloadControllerPrivate * d;

    // Signals are protected, so they can't normally be emitted from methods

    // in unrelated classes.  Therefore to emit DownloadController signals

    // from methods in DownloadControllerPrivate, DownloadController must

    // declare DownloadControllerPrivate as a friend.

    friend class DownloadControllerPrivate;

};

#endif // __DOWNLOAD_CONTROLLER_H__