/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** $QT_END_LICENSE$
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****************************************************************************/

#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