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#include "playercontrols.h"

#include <QtGui/qboxlayout.h>
#include <QtGui/qslider.h>
#include <QtGui/qstyle.h>
#include <QtGui/qtoolbutton.h>
#include <QtGui/qcombobox.h>

PlayerControls::PlayerControls(QWidget *parent)
    : QWidget(parent)
    , playerState(QMediaPlayer::StoppedState)
    , playerMuted(false)
    , playButton(0)
    , nextButton(0)
    , previousButton(0)
    , muteButton(0)
{
    playButton = new QToolButton;
    playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));

    connect(playButton, SIGNAL(clicked()), this, SLOT(playClicked()));

    nextButton = new QToolButton;
    nextButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipForward));

    connect(nextButton, SIGNAL(clicked()), this, SIGNAL(next()));

    previousButton = new QToolButton;
    previousButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipBackward));

    connect(previousButton, SIGNAL(clicked()), this, SIGNAL(previous()));

    muteButton = new QToolButton;
    muteButton->setIcon(style()->standardIcon(QStyle::SP_MediaVolume));

    connect(muteButton, SIGNAL(clicked()), this, SLOT(muteClicked()));
    
    QBoxLayout *layout = new QHBoxLayout;
    layout->setMargin(0);
    layout->addWidget(previousButton);
    layout->addWidget(playButton);
    layout->addWidget(nextButton);
    layout->addWidget(muteButton);
    setLayout(layout);
}

QMediaPlayer::State PlayerControls::state() const
{
    return playerState;
}

void PlayerControls::setState(QMediaPlayer::State state)
{
    if (state != playerState) {
        playerState = state;

        switch (state) {
        case QMediaPlayer::StoppedState:
            playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
            break;
        case QMediaPlayer::PlayingState:
            playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause));
            break;
        case QMediaPlayer::PausedState:
            playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
            break;
        }
    }
}

bool PlayerControls::isMuted() const
{
    return playerMuted;
}

void PlayerControls::setMuted(bool muted)
{
    if (muted != playerMuted) {
        playerMuted = muted;

        muteButton->setIcon(style()->standardIcon(muted
                ? QStyle::SP_MediaVolumeMuted
                : QStyle::SP_MediaVolume));
    }
}

void PlayerControls::playClicked()
{
    switch (playerState) {
    case QMediaPlayer::StoppedState:
    case QMediaPlayer::PausedState:
        emit play();
        break;
    case QMediaPlayer::PlayingState:
        emit pause();
        break;
    }
}

void PlayerControls::muteClicked()
{
    emit changeMuting(!playerMuted);
}