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Text File  |  2015-07-29  |  1.5 KB  |  54 lines
  1.  
  2.   
  3.     Polymer('paper-progress', {
  4.       
  5.       /**
  6.        * The number that represents the current secondary progress.
  7.        *
  8.        * @attribute secondaryProgress
  9.        * @type number
  10.        * @default 0
  11.        */
  12.       secondaryProgress: 0,
  13.       
  14.       /**
  15.        * Use an indeterminate progress indicator.
  16.        *
  17.        * @attribute indeterminate
  18.        * @type boolean
  19.        * @default false
  20.        */
  21.       indeterminate: false,
  22.  
  23.       step: 0,
  24.       
  25.       observe: {
  26.         'value secondaryProgress min max indeterminate': 'update'
  27.       },
  28.       
  29.       update: function() {
  30.         this.super();
  31.         this.secondaryProgress = this.clampValue(this.secondaryProgress);
  32.         this.secondaryRatio = this.calcRatio(this.secondaryProgress) * 100;
  33.  
  34.         // If we use attribute/class binding, the animation sometimes doesn't translate properly
  35.         // on Safari 7.1. So instead, we toggle the class here in the update method.
  36.         this.$.activeProgress.classList.toggle('indeterminate', this.indeterminate);
  37.       },
  38.  
  39.       transformProgress: function(progress, ratio) {
  40.         var transform = 'scaleX(' + (ratio / 100) + ')';
  41.         progress.style.transform = progress.style.webkitTransform = transform;
  42.       },
  43.  
  44.       ratioChanged: function() {
  45.         this.transformProgress(this.$.activeProgress, this.ratio);
  46.       },
  47.  
  48.       secondaryRatioChanged: function() {
  49.         this.transformProgress(this.$.secondaryProgress, this.secondaryRatio);
  50.       }
  51.       
  52.     });
  53.     
  54.