Index: third_party/polymer/components-chromium/paper-dropdown/paper-dropdown-transition-extracted.js |
diff --git a/third_party/polymer/components-chromium/paper-dropdown/paper-dropdown-transition-extracted.js b/third_party/polymer/components-chromium/paper-dropdown/paper-dropdown-transition-extracted.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8d2834151eda9e8d75542911ae8872d11ce9b386 |
--- /dev/null |
+++ b/third_party/polymer/components-chromium/paper-dropdown/paper-dropdown-transition-extracted.js |
@@ -0,0 +1,135 @@ |
+ |
+ Polymer('paper-dropdown-transition', { |
+ |
+ publish: { |
+ |
+ /** |
+ * The duration of the transition in ms. You can also set the duration by |
+ * setting a `duration` attribute on the target: |
+ * |
+ * <paper-dropdown duration="1000"></paper-dropdown> |
+ * |
+ * @attribute duration |
+ * @type number |
+ * @default 500 |
+ */ |
+ duration: 500 |
+ |
+ }, |
+ |
+ setup: function(node) { |
+ this.super(arguments); |
+ |
+ var to = { |
+ 'top': '0%', |
+ 'left': '0%', |
+ 'bottom': '100%', |
+ 'right': '100%' |
+ }; |
+ |
+ var bg = node.$.background; |
+ bg.style.webkitTransformOrigin = to[node.halign] + ' ' + to[node.valign]; |
+ bg.style.transformOrigin = to[node.halign] + ' ' + to[node.valign]; |
+ }, |
+ |
+ transitionOpened: function(node, opened) { |
+ this.super(arguments); |
+ |
+ if (opened) { |
+ if (this.player) { |
+ this.player.cancel(); |
+ } |
+ |
+ var duration = Number(node.getAttribute('duration')) || this.duration; |
+ |
+ var anims = []; |
+ |
+ var size = node.getBoundingClientRect(); |
+ |
+ var ink = node.$.ripple; |
+ // var offset = 40 / Math.max(size.width, size.height); |
+ var offset = 0.2; |
+ anims.push(new Animation(ink, [{ |
+ 'opacity': 0.9, |
+ 'transform': 'scale(0)', |
+ }, { |
+ 'opacity': 0.9, |
+ 'transform': 'scale(1)' |
+ }], { |
+ duration: duration * offset |
+ })); |
+ |
+ var bg = node.$.background; |
+ var sx = 40 / size.width; |
+ var sy = 40 / size.height; |
+ anims.push(new Animation(bg, [{ |
+ 'opacity': 0.9, |
+ 'transform': 'scale(' + sx + ',' + sy + ')', |
+ }, { |
+ 'opacity': 1, |
+ 'transform': 'scale(' + Math.max(sx, 0.95) + ',' + Math.max(sy, 0.5) + ')' |
+ }, { |
+ 'opacity': 1, |
+ 'transform': 'scale(1, 1)' |
+ }], { |
+ delay: duration * offset, |
+ duration: duration * (1 - offset), |
+ fill: 'forwards' |
+ })); |
+ |
+ var menu = node.querySelector('.menu'); |
+ if (menu) { |
+ var items = menu.items || menu.children.array(); |
+ var itemDelay = offset + (1 - offset) / 2; |
+ var itemDuration = duration * (1 - itemDelay) / items.length; |
+ var reverse = this.valign === 'bottom'; |
+ |
+ items.forEach(function(item, i) { |
+ anims.push(new Animation(item, [{ |
+ 'opacity': 0 |
+ }, { |
+ 'opacity': 1 |
+ }], { |
+ delay: duration * itemDelay + itemDuration * (reverse ? items.length - 1 - i : i), |
+ duration: itemDuration, |
+ fill: 'both' |
+ })); |
+ }.bind(this)); |
+ |
+ anims.push(new Animation(node.$.scroller, [{ |
+ 'opacity': 1 |
+ }, { |
+ 'opacity': 1 |
+ }], { |
+ delay: duration * itemDelay, |
+ duration: itemDuration * items.length, |
+ fill: 'both' |
+ })); |
+ |
+ } else { |
+ anims.push(new Animation(node.$.scroller, [{ |
+ 'opacity': 0 |
+ }, { |
+ 'opacity': 1 |
+ }], { |
+ delay: duration * (offset + (1 - offset) / 2), |
+ duration: duration * 0.5, |
+ fill: 'both' |
+ })); |
+ } |
+ |
+ var group = new AnimationGroup(anims, { |
+ easing: 'cubic-bezier(0.4, 0, 0.2, 1)' |
+ }); |
+ this.player = document.timeline.play(group); |
+ this.player.onfinish = function() { |
+ this.fire('core-transitionend', this, node); |
+ }.bind(this); |
+ |
+ } else { |
+ this.fire('core-transitionend', this, node); |
+ } |
+ }, |
+ |
+ }); |
+ |