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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "playlistmodel.h"
#include "qmediaplaylist.h"
#include <QFileInfo>
#include <QUrl>
PlaylistModel::PlaylistModel(QObject *parent)
: QAbstractItemModel(parent)
{
m_playlist.reset(new QMediaPlaylist);
connect(m_playlist.data(), &QMediaPlaylist::mediaAboutToBeInserted, this, &PlaylistModel::beginInsertItems);
connect(m_playlist.data(), &QMediaPlaylist::mediaInserted, this, &PlaylistModel::endInsertItems);
connect(m_playlist.data(), &QMediaPlaylist::mediaAboutToBeRemoved, this, &PlaylistModel::beginRemoveItems);
connect(m_playlist.data(), &QMediaPlaylist::mediaRemoved, this, &PlaylistModel::endRemoveItems);
connect(m_playlist.data(), &QMediaPlaylist::mediaChanged, this, &PlaylistModel::changeItems);
}
PlaylistModel::~PlaylistModel() = default;
int PlaylistModel::rowCount(const QModelIndex &parent) const
{
return m_playlist && !parent.isValid() ? m_playlist->mediaCount() : 0;
}
int PlaylistModel::columnCount(const QModelIndex &parent) const
{
return !parent.isValid() ? ColumnCount : 0;
}
QModelIndex PlaylistModel::index(int row, int column, const QModelIndex &parent) const
{
return m_playlist && !parent.isValid()
&& row >= 0 && row < m_playlist->mediaCount()
&& column >= 0 && column < ColumnCount
? createIndex(row, column)
: QModelIndex();
}
QModelIndex PlaylistModel::parent(const QModelIndex &child) const
{
Q_UNUSED(child);
return QModelIndex();
}
QVariant PlaylistModel::data(const QModelIndex &index, int role) const
{
if (index.isValid() && role == Qt::DisplayRole) {
QVariant value = m_data[index];
if (!value.isValid() && index.column() == Title) {
QUrl location = m_playlist->media(index.row());
return QFileInfo(location.path()).fileName();
}
return value;
}
return QVariant();
}
QMediaPlaylist *PlaylistModel::playlist() const
{
return m_playlist.data();
}
bool PlaylistModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
Q_UNUSED(role);
m_data[index] = value;
emit dataChanged(index, index);
return true;
}
void PlaylistModel::beginInsertItems(int start, int end)
{
m_data.clear();
beginInsertRows(QModelIndex(), start, end);
}
void PlaylistModel::endInsertItems()
{
endInsertRows();
}
void PlaylistModel::beginRemoveItems(int start, int end)
{
m_data.clear();
beginRemoveRows(QModelIndex(), start, end);
}
void PlaylistModel::endRemoveItems()
{
endInsertRows();
}
void PlaylistModel::changeItems(int start, int end)
{
m_data.clear();
emit dataChanged(index(start,0), index(end,ColumnCount));
}
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