void QMediaPlayerPrivate::setPlaylist(QMediaPlaylist *pls)
{
disconnectPlaylist();
playlist = pls;
setPlaylistMedia();
}
void QMediaPlayerPrivate::_q_handlePlaylistLoaded()
{
Q_Q(QMediaPlayer);
if (pendingPlaylist.playlist()) {
Q_ASSERT(!q->currentMedia().playlist());
// if there is an active playlist
if (playlist) {
Q_ASSERT(playlist->currentIndex() >= 0);
disconnectPlaylist();
playlist->insertMedia(playlist->currentIndex() + 1, pendingPlaylist);
playlist->removeMedia(playlist->currentIndex());
nestedPlaylists++;
} else {
Q_ASSERT(!rootMedia.playlist());
rootMedia = pendingPlaylist;
emit q->mediaChanged(rootMedia);
}
playlist = pendingPlaylist.playlist();
emit q->currentMediaChanged(pendingPlaylist);
}
pendingPlaylist = QMediaContent();
playlist->next();
setPlaylistMedia();
switch (state) {
case QMediaPlayer::PausedState:
control->pause();
break;
case QMediaPlayer::PlayingState:
control->play();
break;
case QMediaPlayer::StoppedState:
break;
}
}
void QMediaPlayerPrivate::_q_updateMedia(const QMediaContent &media)
{
Q_Q(QMediaPlayer);
if (!control)
return;
// check if the current playlist is a top-level playlist
Q_ASSERT(playlist);
if (media.isNull() && playlist != rootMedia.playlist()) {
// switch back to parent playlist
QMediaPlaylist *pls = parentPlaylist(playlist);
Q_ASSERT(pls);
disconnectPlaylist();
playlist = pls;
connectPlaylist();
Q_ASSERT(!pendingPlaylist.playlist());
nestedPlaylists--;
Q_ASSERT(nestedPlaylists >= 0);
playlist->next();
return;
}
if (media.playlist()) {
if (nestedPlaylists < MAX_NESTED_PLAYLISTS) {
nestedPlaylists++;
Q_ASSERT(!pendingPlaylist.playlist());
// disconnect current playlist
disconnectPlaylist();
// new playlist signals are connected
// in the call to setPlaylist() in _q_handlePlaylistLoaded()
playlist = media.playlist();
emit q->currentMediaChanged(media);
_q_handlePlaylistLoaded();
return;
} else if (playlist) {
playlist->next();
}
return;
}
const QMediaPlayer::State currentState = state;
setMedia(media, 0);
if (!media.isNull()) {
switch (currentState) {
case QMediaPlayer::PlayingState:
control->play();
break;
case QMediaPlayer::PausedState:
control->pause();
break;
default:
break;
}
}
_q_stateChanged(control->state());
}
