Inline scripts were extracted from Polymer elements.

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

+
+
+  Polymer('paper-slider', {
+    
+    /**
+     * Fired when the slider's value changes.
+     *
+     * @event change
+     */
+
+    /**
+     * Fired when the slider's value changes due to manual interaction.
+     *
+     * Changes to the slider's value due to changes in an underlying
+     * bound variable will not trigger this event.
+     *
+     * @event manual-change
+     */
+     
+    /**
+     * If true, the slider thumb snaps to tick marks evenly spaced based
+     * on the `step` property value.
+     *
+     * @attribute snaps
+     * @type boolean
+     * @default false
+     */
+    snaps: false,
+    
+    /**
+     * If true, a pin with numeric value label is shown when the slider thumb 
+     * is pressed.  Use for settings for which users need to know the exact 
+     * value of the setting.
+     *
+     * @attribute pin
+     * @type boolean
+     * @default false
+     */
+    pin: false,
+    
+    /**
+     * If true, this slider is disabled.  A disabled slider cannot be tapped
+     * or dragged to change the slider value.
+     *
+     * @attribute disabled
+     * @type boolean
+     * @default false
+     */
+    disabled: false,
+    
+    /**
+     * The number that represents the current secondary progress.
+     *
+     * @attribute secondaryProgress
+     * @type number
+     * @default 0
+     */
+    secondaryProgress: 0,
+    
+    /**
+     * If true, an input is shown and user can use it to set the slider value.
+     *
+     * @attribute editable
+     * @type boolean
+     * @default false
+     */
+    editable: false,
+    
+    /**
+     * The immediate value of the slider.  This value is updated while the user
+     * is dragging the slider.
+     *
+     * @attribute immediateValue
+     * @type number
+     * @default 0
+     */
+    
+    observe: {
+      'min max step snaps': 'update'
+    },
+    
+    ready: function() {
+      this.update();
+    },
+    
+    update: function() {
+      this.positionKnob(this.calcRatio(this.value));
+      this.updateMarkers();
+    },
+    
+    valueChanged: function() {
+      this.update();
+      this.fire('change');
+    },
+    
+    expandKnob: function() {
+      this.$.sliderKnob.classList.add('expand');
+    },
+    
+    resetKnob: function() {
+      this.expandJob && this.expandJob.stop();
+      this.$.sliderKnob.classList.remove('expand');
+    },
+    
+    positionKnob: function(ratio) {
+      this._ratio = ratio;
+      this.immediateValue = this.calcStep(this.calcKnobPosition()) || 0;
+      if (this.snaps) {
+        this._ratio = this.calcRatio(this.immediateValue);
+      }
+      this.$.sliderKnob.style.left = this._ratio * 100 + '%';
+    },
+    
+    immediateValueChanged: function() {
+      this.$.sliderKnob.classList.toggle('ring', this.immediateValue <= this.min);
+    },
+    
+    inputChange: function() {
+      this.value = this.$.input.value;
+      this.fire('manual-change');
+    },
+    
+    calcKnobPosition: function() {
+      return (this.max - this.min) * this._ratio + this.min;
+    },
+    
+    measureWidth: function() {
+      this._w = this.$.sliderBar.offsetWidth;
+    },
+    
+    trackStart: function(e) {
+      this.measureWidth();
+      this._x = this._ratio * this._w;
+      this._startx = this._x || 0;
+      this._minx = - this._startx;
+      this._maxx = this._w - this._startx;
+      this.$.sliderKnob.classList.add('dragging');
+      e.preventTap();
+    },
+
+    trackx: function(e) {
+      var x = Math.min(this._maxx, Math.max(this._minx, e.dx));
+      this._x = this._startx + x;
+      this._ratio = this._x / this._w;
+      this.immediateValue = this.calcStep(this.calcKnobPosition()) || 0;
+      var s =  this.$.sliderKnob.style;
+      s.transform = s.webkitTransform = 'translate3d(' + (this.snaps ? 
+          (this.calcRatio(this.immediateValue) * this._w) - this._startx : x) + 'px, 0, 0)';
+    },
+    
+    trackEnd: function() {
+      var s =  this.$.sliderKnob.style;
+      s.transform = s.webkitTransform = '';
+      this.$.sliderKnob.classList.remove('dragging');
+      this.resetKnob();
+      this.value = this.immediateValue;
+      this.fire('manual-change');
+    },
+    
+    bardown: function(e) {
+      this.measureWidth();
+      this.$.sliderKnob.classList.add('transiting');
+      var rect = this.$.sliderBar.getBoundingClientRect();
+      this.positionKnob((e.x - rect.left) / this._w);
+      this.value = this.calcStep(this.calcKnobPosition());
+      this.expandJob = this.job(this.expandJob, this.expandKnob, 60);
+      this.fire('manual-change');
+    },
+    
+    knobTransitionEnd: function() {
+      this.$.sliderKnob.classList.remove('transiting');
+    },
+    
+    updateMarkers: function() {
+      this.markers = [], l = (this.max - this.min) / this.step;
+      for (var i = 0; i < l; i++) {
+        this.markers.push('');
+      }
+    },
+    
+    increment: function() {
+      this.value = this.clampValue(this.value + this.step);
+    },
+    
+    decrement: function() {
+      this.value = this.clampValue(this.value - this.step);
+    },
+    
+    keydown: function(e) {
+      if (this.disabled) {
+        return;
+      }
+      var c = e.keyCode;
+      if (c === 37) {
+        this.decrement();
+        this.fire('manual-change');
+      } else if (c === 39) {
+        this.increment();
+        this.fire('manual-change');
+      }
+    }
+
+  });
+