2 Polymer('paper-menu-button-transition', {
4 baseClass: 'paper-menu-button-transition',
5 revealedClass: 'paper-menu-button-revealed',
6 openedClass: 'paper-menu-button-opened',
7 closedClass: 'paper-menu-button-closed',
11 setup: function(node) {
12 this.super(arguments);
14 var bg = node.querySelector('.paper-menu-button-overlay-bg');
15 bg.style.transformOrigin = this.transformOrigin;
16 bg.style.webkitTransformOrigin = this.transformOrigin;
19 transitionOpened: function(node, opened) {
20 this.super(arguments);
29 var ink = node.querySelector('.paper-menu-button-overlay-ink');
30 var offset = 40 / Math.max(node.cachedSize.width, node.cachedSize.height);
31 anims.push(new Animation(ink, [{
33 'transform': 'scale(0)',
36 'transform': 'scale(1)'
38 duration: this.duration * offset
41 var bg = node.querySelector('.paper-menu-button-overlay-bg');
42 anims.push(new Animation(bg, [{
44 'transform': 'scale(' + 40 / node.cachedSize.width + ',' + 40 / node.cachedSize.height + ')',
47 'transform': 'scale(0.95, 0.5)'
50 'transform': 'scale(1, 1)'
52 delay: this.duration * offset,
53 duration: this.duration * (1 - offset),
57 var nodes = window.ShadowDOMPolyfill ? Platform.queryAllShadows(node.querySelector('core-menu'), 'content').getDistributedNodes() : node.querySelector('core-menu::shadow content').getDistributedNodes().array();
58 var items = nodes.filter(function(n) {
59 return n.nodeType === Node.ELEMENT_NODE;
61 var itemDelay = offset + (1 - offset) / 2;
62 var itemDuration = this.duration * (1 - itemDelay) / items.length;
63 items.forEach(function(item, i) {
64 anims.push(new Animation(item, [{
69 delay: this.duration * itemDelay + itemDuration * i,
70 duration: itemDuration,
75 var shadow = node.querySelector('paper-shadow');
76 anims.push(new Animation(shadow, function(t, target) {
77 if (t > offset * 2 && shadow.z === 0) {
81 duration: this.duration
84 var group = new AnimationGroup(anims, {
85 easing: 'cubic-bezier(0.4, 0, 0.2, 1)'
87 this.player = document.timeline.play(group);