// Generated by CoffeeScript 1.10.0
(function() {
  var extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
    hasProp = {}.hasOwnProperty;
  window.Tram.FaviconApp = (function(superClass) {
    extend(FaviconApp, superClass);
    function FaviconApp() {
      return FaviconApp.__super__.constructor.apply(this, arguments);
    }
    FaviconApp.prototype.tagName = 'link';
    FaviconApp.prototype.attributes = {
      rel: 'icon',
      type: 'image/x-icon'
    };
    FaviconApp.prototype.pipColors = Tram.colors.show;
    FaviconApp.prototype.initialize = function() {
      this.canvas = document.createElement('canvas');
      this.canvas.height = 16;
      this.canvas.width = 16;
      this.listenTo(this.model, 'change', this.updateFavicon);
      this.updateFavicon();
      return this.render();
    };
    FaviconApp.prototype.updateFavicon = function() {
      var color, ref;
      color = (ref = this.pipColors[this.model.get('show')]) != null ? ref : this.pipColors['default'];
      return this.renderFavicon(color);
    };
    FaviconApp.prototype.renderFavicon = function(color) {
      var ctx;
      ctx = this.canvas.getContext('2d');
      ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
      ctx.fillStyle = color;
      ctx.beginPath();
      ctx.arc(7.5, 7.5, 5.5, 0, Math.PI * 2);
      ctx.fill();
      return this.el.href = this.canvas.toDataURL();
    };
    FaviconApp.prototype.render = function() {
      $('head').append(this.el);
      return this;
    };
    return FaviconApp;
  })(Backbone.View);
}).call(this);
//# sourceMappingURL=favicon.js.map