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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(std::make_unique<QMediaPlaylist>())
++ {
++ connect(m_playlist.get(), &QMediaPlaylist::mediaAboutToBeInserted, this,
++ &PlaylistModel::beginInsertItems);
++ connect(m_playlist.get(), &QMediaPlaylist::mediaInserted, this, &PlaylistModel::endInsertItems);
++ connect(m_playlist.get(), &QMediaPlaylist::mediaAboutToBeRemoved, this,
++ &PlaylistModel::beginRemoveItems);
++ connect(m_playlist.get(), &QMediaPlaylist::mediaRemoved, this, &PlaylistModel::endRemoveItems);
++ connect(m_playlist.get(), &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 {};
++ }
++
++ 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 {};
++ }
++
++ QMediaPlaylist *PlaylistModel::playlist() const
++ {
++ return m_playlist.get();
++ }
++
++ 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));
++ }
++
++ #include "moc_playlistmodel.cpp"