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/***************************************************************************
 *   Copyright (C) 2008 by Ilya Kotov                                      *
 *   forkotov02@hotmail.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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef DECODER_WAVPACK_H
#define DECODER_WAVPACK_H

extern "C"{
#include <wavpack/wavpack.h>
}

#include <qmmp/decoder.h>


class DecoderWavPack : public Decoder
{
public:
    DecoderWavPack(QObject *, DecoderFactory *, Output *, const QString &);
    virtual ~DecoderWavPack();

    // Standard Decoder API
    bool initialize();
    qint64 lengthInSeconds();
    void seek(qint64);
    void stop();

private:
    // thread run function
    void run();
    WavpackContext *m_context;
    // helper functions
    void flush(bool = FALSE);
    void deinit();

    bool m_inited, m_user_stop;
    int m_bps; //bits per sample

    // output buffer
    char *m_output_buf;
    qint64 m_output_bytes, m_output_at;

    unsigned int m_bks; //block size
    bool m_done, m_finish;
    long m_freq, m_bitrate;
    int m_chan;
    unsigned long m_output_size;
    qint64 m_totalTime, m_seekTime;
    QString m_path;
};


#endif // DECODER_WAVPACK_H
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/***************************************************************************
 *   Copyright (C) 2015 by Ilya Kotov                                      *
 *   forkotov02@hotmail.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.         *
 ***************************************************************************/

#include <QPainter>
#include <QBitmap>
#include <QFont>
#include <QFontMetrics>
#include <QSettings>
#include <QApplication>
#include <QMouseEvent>
#include <QContextMenuEvent>
#include <QMenu>
#include <QLineEdit>
#include <QInputDialog>
#include <QIcon>
#include <QHash>
#include <qmmp/qmmp.h>
#include <qmmpui/playlistmanager.h>
#include <qmmpui/playlistheadermodel.h>
#include "skin.h"
#include "playlistheader.h"

#define INITAL_SIZE 150
#define MAX_COLUMNS 7
#define MIN_SIZE 30

static const char * const skinned_arrow_down_xpm[] = {
    "11 6 2 1",
    " 	c None",
    "x	c #000000",
    "           ",
    " xxxxxxxxx ",
    "  xxxxxxx  ",
    "   xxxxx   ",
    "    xxx    ",
    "     x     "};

static const char * const skinned_arrow_up_xpm[] = {
    "11 6 2 1",
    " 	c None",
    "x	c #000000",
    "     x     ",
    "    xxx    ",
    "   xxxxx   ",
    "  xxxxxxx  ",
    " xxxxxxxxx ",
    "           "};

PlayListHeader::PlayListHeader(QWidget *parent) :
    QWidget(parent)
{
    setMouseTracking(true);
    m_metrics = 0;
    m_padding = 0;
    m_pl_padding = 0;
    m_number_width = 0;
    m_offset = 0;
    m_sorting_column = -1;
    m_reverted = false;
    m_auto_resize = false;
    m_task = NO_TASK;
    m_model = PlayListManager::instance()->headerModel();
    m_skin = Skin::instance();
    m_menu = new QMenu(this);
    m_menu->addAction(QIcon::fromTheme("list-add"), tr("Add Column"), this, SLOT(addColumn()));
    m_menu->addAction(QIcon::fromTheme("configure"), tr("Edit Column"), this, SLOT(editColumn()));
    m_trackStateAction = m_menu->addAction(tr("Show Queue/Protocol"), this, SLOT(showTrackState(bool)));
    m_trackStateAction->setCheckable(true);
    m_autoResizeAction = m_menu->addAction(tr("Auto-resize"), this, SLOT(setAutoResize(bool)));
    m_autoResizeAction->setCheckable(true);
    m_menu->addSeparator();
    m_menu->addAction(QIcon::fromTheme("list-remove"), tr("Remove Column"), this, SLOT(removeColumn()));

    connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSkin()));
    connect(m_model, SIGNAL(columnAdded(int)), SLOT(onColumnAdded(int)));
    connect(m_model, SIGNAL(columnRemoved(int)), SLOT(onColumnRemoved()));
    connect(m_model, SIGNAL(columnMoved(int,int)), SLOT(updateColumns()));
    connect(m_model, SIGNAL(columnChanged(int)), SLOT(updateColumns()));
    loadColors();
    readSettings();
}

PlayListHeader::~PlayListHeader()
{
    if (m_metrics)
        delete m_metrics;
    m_metrics = 0;
    writeSettings();
}

void PlayListHeader::readSettings()
{
    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
    settings.beginGroup("Skinned");
    m_font.fromString(settings.value("pl_header_font", qApp->font().toString()).toString());

    if (m_metrics)
    {
        delete m_metrics;
        m_metrics = 0;
    }

    m_metrics = new QFontMetrics(m_font);
    m_padding = m_metrics->width("9")/2;

    QFont pl_font;
    pl_font.fromString(settings.value("pl_font", qApp->font().toString()).toString());
    m_pl_padding = QFontMetrics(pl_font).width("9")/2;

    if(!m_model->isSettingsLoaded())
    {
        m_model->restoreSettings(&settings);
        QList<QVariant> sizes = settings.value("pl_column_sizes").toList();
        int autoResizeColumn = settings.value("pl_autoresize_column", -1).toInt();
        int trackStateColumn = settings.value("pl_track_state_column", -1).toInt();
        for(int i = 0; i < m_model->count(); ++i)
        {
            m_model->setData(i, SIZE, INITAL_SIZE);

            if(i < sizes.count())
                m_model->setData(i, SIZE, sizes.at(i).toInt());
            if(i == autoResizeColumn)
            {
                m_model->setData(i, AUTO_RESIZE, true);
                m_auto_resize = true;
            }
            if(i == trackStateColumn)
                m_model->setData(i,TRACK_STATE, true);
        }
    }

    settings.endGroup();

    updateColumns();
}

void PlayListHeader::setNumberWidth(int width)
{
    if(width != m_number_width)
    {
        m_number_width = width;
        if(m_model->count() == 1)
            updateColumns();
    }
}

void PlayListHeader::updateColumns()
{
    bool rtl = (layoutDirection() == Qt::RightToLeft);

    int sx = 5;

    if(m_model->count() == 1)
    {
        if(m_number_width)
            sx += m_number_width + 2 * m_pl_padding;

        m_model->setData(0, RECT, rtl ? QRect(5, 0, width() - sx - 5, height()) : QRect(sx, 0, width() - sx - 5, height()));
        QRect rect = m_model->data(0, RECT).toRect();
        if(m_sorting_column == 0)
        {
            m_model->setData(0, NAME, m_metrics->elidedText(m_model->name(0), Qt::ElideRight,
                                                            rect.width() - 2 * m_padding - m_arrow_up.width() - 4));
        }
        else
        {
            m_model->setData(0, NAME, m_metrics->elidedText(m_model->name(0), Qt::ElideRight,
                                                            rect.width() - 2 * m_padding));
        }
        return;
    }

    for(int i = 0; i < m_model->count(); ++i)
    {
        int size = m_model->data(i, SIZE).toInt();

        if(rtl)
            m_model->setData(i, RECT, QRect(width() - sx - size, 0, size, height()));
        else
            m_model->setData(i, RECT, QRect(sx, 0, size, height()));
        if(i == m_sorting_column)
        {
            m_model->setData(i, NAME, m_metrics->elidedText(m_model->name(i), Qt::ElideRight,
                                                            size - 2 * m_padding - m_arrow_up.width() - 4));
        }
        else
        {
            m_model->setData(i, NAME, m_metrics->elidedText(m_model->name(i), Qt::ElideRight,
                                                            size - 2 * m_padding));
        }

        sx += size;
    }
    update();
}

int PlayListHeader::requiredHeight() const
{
    return m_metrics->lineSpacing() + 1;
}

QList<int> PlayListHeader::sizes() const
{
    QList<int> sizeList;
    for(int i = 0; i < m_model->count(); ++i)
        sizeList.append(m_model->data(i, SIZE).toInt());
    return sizeList;
}

int PlayListHeader::trackStateColumn() const
{
    for(int i = 0; i < m_model->count(); ++i)
    {
        if(m_model->data(i, TRACK_STATE).toBool())
        {
            return i;
        }
    }
    return -1;
}

int PlayListHeader::maxScrollValue() const
{
    if(m_model->count() == 1)
        return 0;

    int row_width = 0;
    foreach (int size, sizes())
    {
        row_width += size;
    }
    return qMax(0, row_width - width() + 10);
}

int PlayListHeader::offset() const
{
    return m_offset;
}

bool PlayListHeader::hasAutoResizeColumn() const
{
    return m_auto_resize;
}

void PlayListHeader::scroll(int offset)
{