Polymer: roll paper-slider, 1.0.11 -> 1.0.13

third_party/polymer/v1_0/components-chromium/paper-slider/paper-slider-extracted.js

 Polymer({
       is: 'paper-slider',
 
       behaviors: [
         Polymer.IronA11yKeysBehavior,
         Polymer.IronFormElementBehavior,
         Polymer.PaperInkyFocusBehavior,
         Polymer.IronRangeBehavior
       ],
 
@@ skipping 77 matching lines @@
 
         transiting: {
           type: Boolean,
           value: false,
           readOnly: true
         },
 
         markers: {
           type: Array,
           readOnly: true,
-          value: []
+          value: function() {
+              return [];
+          }
         },
       },
 
       observers: [
         '_updateKnob(value, min, max, snaps, step)',
         '_valueChanged(value)',
         '_immediateValueChanged(immediateValue)',
         '_updateMarkers(maxMarkers, min, max, snaps)'
       ],
 
@@ skipping 90 matching lines @@
         this._w = this.$.sliderBar.offsetWidth;
         this._x = this.ratio * this._w;
         this._startx = this._x;
         this._knobstartx = this._startx;
         this._minx = - this._startx;
         this._maxx = this._w - this._startx;
         this.$.sliderKnob.classList.add('dragging');
         this._setDragging(true);
       },
 
-      _trackX: function(e) {
+      _trackX: function(event) {
         if (!this.dragging) {
-          this._trackStart(e);
+          this._trackStart(event);
         }
 
-        var dx = Math.min(this._maxx, Math.max(this._minx, e.detail.dx));
+        var dx = Math.min(this._maxx, Math.max(this._minx, event.detail.dx));
         this._x = this._startx + dx;
 
         var immediateValue = this._calcStep(this._calcKnobPosition(this._x / this._w));
         this._setImmediateValue(immediateValue);
 
         // update knob's position
         var translateX = ((this._calcRatio(this.immediateValue) * this._w) - this._knobstartx);
         this.translate3d(translateX + 'px', 0, 0, this.$.sliderKnob);
       },
 
@@ skipping 89 matching lines @@
       },
 
       _incrementKey: function(event) {
         if (!this.disabled) {
           if (event.detail.key === 'end') {
             this.value = this.max;
           } else {
             this.increment();
           }
           this.fire('change');
+          event.preventDefault();
         }
       },
 
       _decrementKey: function(event) {
         if (!this.disabled) {
           if (event.detail.key === 'home') {
             this.value = this.min;
           } else {
             this.decrement();
           }
           this.fire('change');
+          event.preventDefault();
         }
       },
 
       _changeValue: function(event) {
         this.value = event.target.value;
         this.fire('change');
       },
 
       _inputKeyDown: function(event) {
         event.stopPropagation();
@@ skipping 27 matching lines @@
     /**
      * Fired when the slider's value changes.
      *
      * @event value-change
      */
 
     /**
      * Fired when the slider's immediateValue changes. Only occurs while the
      * user is dragging.
      *
-     * To detect changes to immediateValue that happen for any input (i.e.                                                          
+     * To detect changes to immediateValue that happen for any input (i.e.
      * dragging, tapping, clicking, etc.) listen for immediate-value-changed
      * instead.
      *
      * @event immediate-value-change
      */
 
     /**
      * Fired when the slider's value changes due to user interaction.
      *
      * Changes to the slider's value due to changes in an underlying
      * bound variable will not trigger this event.
      *
      * @event change
      */