#include "icon.h"

Icon::Icon(IconType t, QWidget *parent) : QToolButton(parent)
{
    QRect rect = QApplication::desktop()->screenGeometry();

    setMinimumHeight(rect.height() / 40);
    setMinimumWidth(rect.height() / 40);
    setCursor(Qt::PointingHandCursor);
    setToolButtonStyle(Qt::ToolButtonIconOnly);
    setPopupMode(QToolButton::InstantPopup);

    switch (t)
    {
    case PAUSE_PLAY:
    {
        stateChanged(QMediaPlayer::StoppedState);
        setToolTip(tr("Pause/Play"));

        break;
    }
    case MENU:
    {
        loadImg(":/svg/menu");
        setToolTip(tr("Menu"));

        break;
    }
    case OPEN:
    {
        loadImg(":/svg/open");
        setToolTip(tr("Open File"));

        break;
    }
    case STOP:
    {
        loadImg(":/svg/stop");
        setToolTip(tr("Stop"));

        break;
    }
    case PREV:
    {
        loadImg(":/svg/prev");
        setToolTip(tr("Previous File"));

        break;
    }
    case NEXT:
    {
        loadImg(":/svg/next");
        setToolTip(tr("Next File"));

        break;
    }
    case VOL_UP:
    {
        loadImg(":/svg/volume_up");
        setToolTip(tr("Volume Up"));

        break;
    }
    case VOL_DOWN:
    {
        loadImg(":/svg/volume_down");
        setToolTip(tr("Volume Down"));

        break;
    }
    case RESTORE:
    {
        loadImg(":/svg/restore");
        setToolTip(tr("Restore"));

        break;
    }
    }

    if (t != MENU)
    {
        connect(this, SIGNAL(clicked()), this, SLOT(buttonClicked()));
    }

    type      = t;
    volSlider = 0;
}

void Icon::buttonClicked()
{
    if (type == PAUSE_PLAY)
    {
        if (playerState == QMediaPlayer::PlayingState)
        {
            emit pause();
        }
        else
        {
            emit play();
        }
    }
    else if (type == OPEN)
    {
        emit open();
    }
    else if (type == NEXT)
    {
        emit next();
    }
    else if (type == PREV)
    {
        emit prev();
    }
    else if (type == STOP)
    {
        emit stop();
    }
    else if ((type == VOL_DOWN) && volSlider)
    {
        volSlider->setValue(volSlider->value() - 1);
    }
    else if ((type == VOL_UP) && volSlider)
    {
        volSlider->setValue(volSlider->value() + 1);
    }
    else if (type == RESTORE)
    {
        emit restore();
    }
}

void Icon::paintEvent(QPaintEvent *)
{
    QPainter     painter(this);
    QSvgRenderer svg(svgFile, this);

    svg.render(&painter);
}

void Icon::stateChanged(QMediaPlayer::State state)
{
    playerState = state;

    if (state == QMediaPlayer::PlayingState)
    {
        loadImg(":/svg/pause");
    }
    else
    {
        loadImg(":/svg/play");
    }
}

void Icon::loadImg(const QString &path)
{
    svgFile = path;

    update();
}

void Icon::setSlider(QSlider *slider)
{
    volSlider = slider;
}