/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the example classes of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
**
** Qt for Windows(R) Licensees
** As a special exception, Nokia, as the sole copyright holder for Qt
** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
** provided by Qt Designer and its related libraries.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
****************************************************************************/

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QList>
#include <QStringList>
#include <QMainWindow>

#include "torrentclient.h"

QT_BEGIN_NAMESPACE
class QAction;
class QCloseEvent;
class QLabel;
class QProgressDialog;
class QSlider;
QT_END_NAMESPACE
class TorrentView;

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = 0);

    QSize sizeHint() const;
    const TorrentClient *clientForRow(int row) const;
    
protected:
    void closeEvent(QCloseEvent *event);

private slots:
    void loadSettings();
    void saveSettings();

    bool addTorrent();
    void removeTorrent();
    void pauseTorrent();
    void moveTorrentUp();
    void moveTorrentDown();

    void torrentStopped();
    void torrentError(TorrentClient::Error error);

    void updateState(TorrentClient::State state);
    void updatePeerInfo();
    void updateProgress(int percent);
    void updateDownloadRate(int bytesPerSecond);
    void updateUploadRate(int bytesPerSecond);

    void setUploadLimit(int bytes);
    void setDownloadLimit(int bytes);

    void about();
    void setActionsEnabled();
    void acceptFileDrop(const QString &fileName);
    
private:
    int rowOfClient(TorrentClient *client) const;
    bool addTorrent(const QString &fileName, const QString &destinationFolder,
                    const QByteArray &resumeState = QByteArray());
    
    TorrentView *torrentView;
    QAction *pauseTorrentAction;
    QAction *removeTorrentAction;
    QAction *upActionTool;
    QAction *downActionTool;
    QSlider *uploadLimitSlider;
    QSlider *downloadLimitSlider;
    QLabel *uploadLimitLabel;
    QLabel *downloadLimitLabel;

    int uploadLimit;
    int downloadLimit;

    struct Job {
        TorrentClient *client;
        QString torrentFileName;
        QString destinationDirectory;
    };
    QList<Job> jobs;
    int jobsStopped;
    int jobsToStop;

    QString lastDirectory;
    QProgressDialog *quitDialog;

    bool saveChanges;
};

#endif
