oldhaven/public/javascripts/coffee/player.js

var Player;
Player = (function() {
  function Player() {}
  Player.prototype.bar_width = 330;
  Player.prototype.jp = null;
  Player.prototype.scrobbled = false;
  Player.prototype.initJplayer = function() {
    var self;
    self = this;
    this.jp = $("#jplayer");
    this.jp.jPlayer({
      swfPath: "/js",
      supplied: "mp3",
      cssSelectorAncestor: "",
      cssSelector: {
        play: ".player .play",
        pause: ".player .pause",
        stop: "",
        videoPlay: "",
        seekBar: "",
        playBar: "",
        mute: "",
        unmute: "",
        volumeBar: "",
        volumeBarValue: "",
        currentTime: "",
        duration: ""
      }
    });
    this.jp.bind($.jPlayer.event.timeupdate, function(e) {
      var $obj, data;
      data = e.jPlayer.status;
      if (!_player.scrobbled && data.currentPercentAbsolute > 50) {
        $obj = $('.playlist-tracks li.now');
        self.scrobble($obj.attr('data-artist'), $obj.attr('data-album'), $obj.attr('data-track'));
        _player.scrobbled = true;
      }
      $('.player .progress .loaded').width(data.seekPercent * self.bar_width / 100);
      return $('.player .progress .played').width(data.currentPercentAbsolute * self.bar_width / 100);
    });
    this.jp.bind($.jPlayer.event.ended, function(e) {
      var next;
      next = self.nextTrack();
      if (!next) {
        $('#jplayer').jPlayer('clearMedia');
        $('.player .now-playing').html('Nothing left to <strike>lose</strike> play');
        $('.player .loaded, .player .played').width(0);
        return $('.playlist-tracks li').removeClass('now');
      } else {
        return self.setTrack(next);
      }
    });
    return false;
  };
  Player.prototype.addTracks = function(tracks, autoplay) {
    var initial_count, item, _i, _len;
    if (!(autoplay != null)) {
      autoplay = false;
    }
    initial_count = $('.playlist-tracks li').length;
    for (_i = 0, _len = tracks.length; _i < _len; _i++) {
      item = tracks[_i];
      $('.playlist-tracks').append('\
			<li id="i' + Math.round(Math.random() * 999999) + '" data-id="' + item.id + '" data-artist="' + item.artist.trim() + '" data-album="' + item.album.trim() + '" data-track="' + item.name.trim() + '" data-length="' + item.length + '">\
				<div class="item">\
					<div class="fade"></div>\
					<div class="dragbox"></div>\
					<span class="title">\
						<span class="data artist" title="Open ' + item.artist.htmlsafe() + '\'s page">' + item.artist + '</span>\
						&mdash;\
						<span class="playtrack" title="Play ' + item.name.htmlsafe() + ' by ' + item.artist.htmlsafe() + '">' + item.name + '</span>\
					</span>\
					<span class="duration">' + item.length + '</span>\
					<div class="remove">remove</div>\
				</div>\
			</li>');
    }
    $('.playlist').html($('.playlist-tracks')).scrollbar();
    $('.playlist-tracks').sortable({
      axis: 'y',
      handle: '.dragbox'
    });
    if (autoplay) {
      _player.setTrack($('.playlist-tracks li').last().attr('id').split('i')[1]);
    } else if (initial_count === 0 && !_player.hasTrack()) {
      _player.setTrack($('.playlist-tracks li').first().attr('id').split('i')[1]);
    }
    return false;
  };
  Player.prototype.getDataFromLi = function(obj) {
    var id, length, track_name;
    id = $(obj).attr('data-id');
    track_name = $(obj).find('.trackname').html();
    length = $(obj).find('.length').html();
    return {
      id: id,
      name: track_name,
      length: length
    };
  };
  Player.prototype.setTrack = function(id) {
    var $obj, query;
    $obj = $('#i' + id);
    query = $obj.attr('data-artist') + ' &mdash; ' + $obj.attr('data-track');
    $('.player .loaded, .player .played').width(0);
    $('.player .now-playing').html(query + '<div class="fade"></div>');
    $('.playlist-tracks li').removeClass('now');
    $obj.addClass('now');
    $('.tracklist li').removeClass('now');
    $('.tracklist li[data-id="' + $obj.attr('data-id') + '"]').addClass('now');
    _vkontakte.loadTracksData($obj.attr('data-artist'), $obj.attr('data-track'), $obj.attr('data-length'), function(url) {
      return _player.playSource(url);
    });
    this.updateNowListening($obj.attr('data-artist'), $obj.attr('data-album'), $obj.attr('data-track'));
    return false;
  };
  Player.prototype.hasTrack = function() {
    if ($('#jplayer audio').length > 0) {
      return ($('#jplayer audio').attr('src') != null) && $('#jplayer audio').attr('src') !== '';
    } else if ($('#jplayer object').length > 0) {
      $('#jplayer').jPlayer('play');
      true;
    }
    return false;
  };
  Player.prototype.playSource = function(url) {
    this.scrobbled = false;
    $('#jplayer').jPlayer('setMedia', {
      mp3: url
    });
    $('#jplayer').jPlayer('play');
    return false;
  };
  Player.prototype.nextTrack = function(manual) {
    var $li, cnt, rnd;
    manual = manual != null;
    cnt = $('.playlist-tracks li').length;
    if (!this.onShuffle()) {
      if ($('.playlist-tracks .now').next().length === 0) {
        if (_player.onRepeat() || manual) {
          return $('.playlist-tracks li').first().attr('id').split('i')[1];
        } else {
          false;
        }
      } else {
        return $('.playlist-tracks .now').next().attr('id').split('i')[1];
      }
    } else if (cnt === 1) {
      return $('.playlist-tracks li').first().attr('id').split('i')[1];
    } else {
      while (true) {
        rnd = Math.floor(Math.random() * (cnt + .999));
        $li = $('.playlist-tracks li').eq(rnd);
        if ($li.length > 0 && !$li.hasClass('now')) {
          return $li.attr('id').split('i')[1];
        }
      }
    }
    return false;
  };
  Player.prototype.prevTrack = function() {
    var $li, cnt, rnd;
    cnt = $('.playlist-tracks li').length;
    if (!_player.onShuffle()) {
      if ($('.playlist-tracks .now').prev().length === 0) {
        return $('.playlist-tracks li').last().attr('id').split('i')[1];
      } else {
        return $('.playlist-tracks .now').prev().attr('id').split('i')[1];
      }
    } else if (cnt === 1) {
      return $('.playlist-tracks li').first().attr('id').split('i')[1];
    } else {
      while (true) {
        rnd = Math.floor(Math.random() * (cnt + .999));
        $li = $('.playlist-tracks li').eq(rnd);
        if ($li.length > 0 && !$li.hasClass('now')) {
          return $li.attr('id').split('i')[1];
        }
      }
    }
    return false;
  };
  Player.prototype.onShuffle = function() {
    return $('#shuffle').hasClass('active');
  };
  Player.prototype.onRepeat = function() {
    return $('#repeat').hasClass('active');
  };
  Player.prototype.updateNowListening = function(artist, album, track) {
    if (_session.getUser().lastfm_username) {
      _session.query('/lastfm/listening?r=' + Math.random(), {
        artist: artist,
        album: album,
        track: track
      });
    }
    return false;
  };
  Player.prototype.scrobble = function(artist, album, track) {
    if (_session.getUser().lastfm_username) {
      _session.query('/lastfm/scrobble?r=' + Math.random(), {
        artist: artist,
        album: album,
        track: track
      });
    }
    return false;
  };
  return Player;
})();
$('.player .controls .prev').live('click', function() {
  _player.setTrack(_player.prevTrack());
  return false;
});
$('.player .controls .next').live('click', function() {
  _player.setTrack(_player.nextTrack(true));
  return false;
});
$('.player .play').live('click', function() {
  if ($('.playlist-tracks li').length > 0 && !_player.hasTrack()) {
    _player.setTrack($('.playlist-tracks li').first().attr('id').split('i')[1]);
  }
  return false;
});
$('.player .progress').live('click', function(e) {
  $('#jplayer').jPlayer('playHead', Math.round((e.offsetX / _player.bar_width) * 100));
  return false;
});
$('#repeat, #shuffle').live('click', function() {
  $(this).toggleClass('active');
  return false;
});
$('#empty-playlist').live('click', function() {
  if (confirm('Are you sure?')) {
    $('.playlist-tracks li').remove();
    $('#jplayer').jPlayer('clearMedia');
    $('.player .now-playing').text('Add some music to playlist');
    $('.player .loaded, .player .played').width(0);
  }
  return false;
});
$('.playlist-tracks li .fade, .playlist-tracks li .duration, .playlist-tracks li .remove').live('mousemove mouseover mouseout', function(e) {
  var _ref;
  if (((_ref = e.type) === 'mouseover' || _ref === 'mousemove') && ($(window).width() - e.clientX) < 60) {
    $(this).parent().find('.duration').hide();
    $(this).parent().find('.remove').show();
  } else {
    $(this).parent().find('.remove').hide();
    $(this).parent().find('.duration').show();
  }
  return false;
});
$('.playlist-tracks li .remove').live('click', function() {
  var $li;
  $li = $(this).parent().parent();
  if ($li.hasClass('now')) {
    $('#jplayer').jPlayer('clearMedia');
    $('.player .now-playing').text('...');
    $('.player .loaded, .player .played').width(0);
  }
  $li.remove();
  return false;
});
$('.playlist-tracks li .title .playtrack').live('click', function() {
  _player.setTrack($(this).parent().parent().parent().attr('id').split('i')[1]);
  return false;
});
$('.add-album').live('click', function() {
  var album, artist, item, track, tracks, _i, _len, _ref;
  artist = $('.artist-info .name').html();
  album = $(this).parent().parent().parent().find('h2.name').text().replace(/\s\([\d]{4}\)$/, '');
  tracks = [];
  _ref = $(this).parent().parent().parent().find('.tracklist li');
  for (_i = 0, _len = _ref.length; _i < _len; _i++) {
    item = _ref[_i];
    track = _player.getDataFromLi(item);
    track['artist'] = artist;
    track['album'] = album;
    tracks.push(track);
  }
  _player.addTracks(tracks);
  return false;
});
$('.add-track').live('click', function() {
  var track;
  track = _player.getDataFromLi($(this).parent());
  track['artist'] = $('.artist-info .name').html();
  track['album'] = $(this).parent().parent().parent().parent().find('h2.name').text().replace(/\s\([\d]{4}\)$/, '');
  _player.addTracks([track]);
  return false;
});
$('.tracklist li').live('mouseover mouseout', function(e) {
  if (e.type === 'mouseover') {
    $(this).find('.add-track').show();
  } else {
    $(this).find('.add-track').hide();
  }
  return false;
});
$('.tracklist li').live('click', function(e) {
  var track;
  track = _player.getDataFromLi(this);
  track['artist'] = $('.artist-info .name').html();
  track['album'] = $(this).parent().parent().parent().find('h2.name').text().replace(/\s\([\d]{4}\)$/, '');
  _player.addTracks([track], true);
  return false;
});