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()); }