/*
 * Bittorrent Client using Qt and libtorrent.
 * Copyright (C) 2015 Anton Lashkov <lenton_91@mail.ru>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 */

#ifndef SPEEDWIDGET_H
#define SPEEDWIDGET_H

#include <QWidget>
#include <QComboBox>
#include <QtConcurrentRun>

#include "speedplotview.h"

class QVBoxLayout;
class QHBoxLayout;
class QLabel;
class QMenu;
class QSignalMapper;
class PropertiesWidget;

class ComboBoxMenuButton : public QComboBox
{
    Q_OBJECT
public:
    ComboBoxMenuButton(QWidget *parent, QMenu *menu);
    virtual void showPopup();

private:
    QMenu *m_menu;
};


class SpeedWidget : public QWidget
{
    Q_OBJECT
public:
    SpeedWidget(PropertiesWidget *parent);
    ~SpeedWidget();

private slots:
    void onPeriodChange(int period);
    void onGraphChange(int id);

private:
    void update();
    void loadSettings();
    void saveSettings() const;
    Q_INVOKABLE void graphUpdate();

    QVBoxLayout *m_layout;
    QHBoxLayout *m_hlayout;
    QLabel *m_periodLabel;
    QComboBox *m_periodCombobox;
    SpeedPlotView *m_plot;

    ComboBoxMenuButton *m_graphsButton;
    QMenu *m_graphsMenu;
    QList<QAction *> m_graphsMenuActions;
    QSignalMapper *m_graphsSignalMapper;

    QFuture<void> m_updateFuture;
    bool m_isUpdating;
};

#endif // SPEEDWIDGET_H