"Add Playlist to Playlist" bookmarklet for Rdio

add-playlist-to-playlist.js

/**
 * This is a _very_ slightly modified version of Chris Pederick's "Add Album To Playlist" bookmarklet:
 * <http://blog.chrispederick.com/post/6556221838/rdio-add-album-to-playlist-bookmarklet>
 *
*/


(function () {
    var interval_id = null;
    var number = 0;
    var playlist = 'current';
    var track_count = 0;
    var tracks = null;
    if (window.jQuery) {
        tracks = $('.track:not(.no_stream)');
        track_count = tracks.length;
    }

    function addTrack() {
        if (track_count == 0) {
            alert('Sorry, no album tracks were found.');
        } else if (number == track_count) {
            var album = $('.header_text');
            if (album.length) {
                album = album.text();
            } else {
                album = $('.name:eq(0)').text();
            }
            alert('Added ' + track_count + ' tracks from the ' + $.trim(album) + ' album to the' + playlist + ' playlist.');
        } else {
            var menu = $('.menu_sus', tracks.eq(number));
            menu.trigger('click');
            $('.sus_item:eq(3) a', menu).trigger('click');
            interval_id = window.setInterval(function () {
                if (number == 0) {
                    if ($('.ui-dialog .default_button').length == 0 && $('#loading_indicator:visible').length == 0) {
                        window.clearInterval(interval_id);
                        nextTrack();
                    }
                } else {
                    if ($('.ui-dialog .default_button').length == 1 && $('#loading_indicator:visible').length == 0) {
                        window.clearInterval(interval_id);
                        if (number == 1) {
                            playlist = ' ' + $.trim($('#playlistSelection option').eq($('#playlistSelection').get(0).selectedIndex).text());
                        }
                        $('.ui-dialog .default_button').trigger('click');
                        nextTrack();
                    }
                }
            }, 100);
        }
    }

    function nextTrack() {
        number++;
        interval_id = window.setInterval(function () {
            if ($('.ui-dialog .default_button').length == 0 && $('#loading_indicator:visible').length == 0) {
                window.clearInterval(interval_id);
                addTrack();
            }
        }, 100);
    }
    addTrack();
})();