Publish Vulpes Preview 15 sources for desktop, Android and Tundra
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
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307
gaia/apps/music/components/gaia-toolbar/gaia-toolbar.js
Executable file
307
gaia/apps/music/components/gaia-toolbar/gaia-toolbar.js
Executable file
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;(function(define){define(function(require,exports,module){
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/*jshint esnext:true*/
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'use strict';
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/**
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* Dependencies
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*/
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var GaiaDialogMenu = require('gaia-dialog-menu');
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/**
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* Locals
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*/
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var forEach = [].forEach;
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var slice = [].slice;
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/**
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* Extend from the `HTMLElement` prototype
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*
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* @type {Object}
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*/
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var proto = Object.create(HTMLElement.prototype);
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proto.createdCallback = function() {
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this.createShadowRoot().innerHTML = template;
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this.els = {
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inner: this.shadowRoot.querySelector('.inner'),
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moreButton: this.shadowRoot.querySelector('.more-button')
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};
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this.els.moreButton.addEventListener('click', this.openOverflow.bind(this));
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var self = this;
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this.reflow_raf = rafWrap(this.reflow, this);
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addEventListener('resize', this.reflow_raf);
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this.shadowStyleHack();
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if (document.readyState === 'loading') {
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addEventListener('load', this.reflow.bind(this));
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return;
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}
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this.style.visibility = 'hidden';
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self.reflow_raf();
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};
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proto.attachedCallback = function() {
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this.style.visibility = 'hidden';
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this.reflow_raf();
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};
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proto.reflow = function() {
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this.release();
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var overflow = this.getOverflowData();
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if (overflow.overflowed) { this.onOverflowed(overflow); }
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this.style.visibility = '';
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};
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proto.getOverflowData = function() {
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var space = this.els.inner.clientWidth;
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var child = this.children[0];
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var overflowed = false;
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var willFit = 0;
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var total = 0;
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var overflow;
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var width;
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while (child) {
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width = child.clientWidth;
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overflow = width + total - space;
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if (overflow > 3) {
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overflowed = true;
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break;
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}
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willFit++;
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total += width;
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child = child.nextElementSibling;
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}
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return {
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willFit: willFit,
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remaining: space - total,
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overflowed: overflowed
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};
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};
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proto.onOverflowed = function(overflow) {
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var items = slice.call(this.children, 0, -1);
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var minMoreButtonWidth = 70;
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var extra = overflow.remaining < minMoreButtonWidth ? 1 : 0;
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var numToHide = items.length - overflow.willFit + extra;
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this.hiddenChildren = slice.call(items, 0 - numToHide);
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this.hiddenChildren.forEach(function(el) { el.classList.add('overflowing'); });
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this.els.inner.classList.add('overflowed');
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};
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proto.release = function() {
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if (!this.hiddenChildren) { return; }
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this.els.inner.classList.remove('overflowed');
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forEach.call(this.hiddenChildren, function(el) {
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el.classList.remove('overflowing');
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});
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};
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proto.getTotalItemLength = function() {
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return [].reduce.call(this.children, function(total, el) {
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return total + el.clientWidth;
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}, 0);
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};
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proto.shadowStyleHack = function() {
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var style = this.shadowRoot.querySelector('style').cloneNode(true);
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this.classList.add('-content', '-host');
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style.setAttribute('scoped', '');
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this.appendChild(style);
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};
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proto.openOverflow = function(e) {
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this.dialog = new GaiaDialogMenu();
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this.hiddenChildren.forEach(function(el) {
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this.dialog.appendChild(el);
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el.classList.remove('overflowing');
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}, this);
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this.appendChild(this.dialog);
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this.dialog.addEventListener('click', this.dialog.close.bind(this.dialog));
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this.dialog.addEventListener('closed', this.onDialogClosed.bind(this));
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this.dialog.open(e);
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};
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proto.onDialogClosed = function() {
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this.dialog.remove();
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this.dialog = null;
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this.hiddenChildren.forEach(function(el) {
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el.classList.add('overflowing');
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this.insertBefore(el, this.lastChild);
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}, this);
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};
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var template = `
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<style>
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/** Reset
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---------------------------------------------------------*/
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::-moz-focus-inner { border: 0; }
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/** Host
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---------------------------------------------------------*/
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.-host {
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display: block;
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}
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/** Inner
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---------------------------------------------------------*/
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.inner {
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display: flex;
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height: 45px;
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overflow: hidden;
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border-top: 1px solid;
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border-color:
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var(--border-color,
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var(--background-plus));
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justify-content: space-between;
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}
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/** Direct Children
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---------------------------------------------------------*/
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.-content > *,
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.more-button {
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box-sizing: border-box;
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flex: 1 0 0;
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height: 100%;
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margin: 0;
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padding: 0 6px;
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border: 0;
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font-size: 17px;
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line-height: 45px;
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font-style: italic;
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font-weight: lighter;
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background: none;
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cursor: pointer;
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white-space: nowrap;
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transition: color 200ms 300ms;
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color:
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var(--text-color, inherit);
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}
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/**
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* :active
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*/
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.more-button :active,
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.-content > :active {
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transition: none;
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color: var(--highlight-color);
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}
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/**
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* .overflowing
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*/
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.-content > .overflowing {
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display: none;
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}
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/**
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* [disabled]
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*/
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.-content > [disabled] {
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pointer-events: none;
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opacity: 0.3;
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}
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.-content > [data-icon] {
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font-size: 0;
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}
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/** Style
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---------------------------------------------------------*/
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style {
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display: none !important;
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}
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/** More Button
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---------------------------------------------------------*/
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.more-button {
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display: none;
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flex: 0.7;
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}
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/** More Button Icon
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---------------------------------------------------------*/
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.more-button:before {
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font-family: 'gaia-icons';
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font-weight: 500;
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content: 'more';
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text-rendering: optimizeLegibility;
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font-style: normal;
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font-size: 32px;
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}
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/**
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* .overflowed
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*/
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.overflowed .more-button {
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display: block;
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}
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</style>
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<div class="inner">
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<content></content>
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<button class="more-button"></button>
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</div>`;
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function rafWrap(fn, ctx) {
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var raf = requestAnimationFrame;
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var frame;
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return function() {
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if (frame) { return; }
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var args = arguments;
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frame = raf(function() {
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raf(function() {
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frame = null;
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fn.apply(ctx, arguments);
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});
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});
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};
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}
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// Register and expose the constructor
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try {
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module.exports = document.registerElement('gaia-toolbar', { prototype: proto });
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module.exports.proto = proto;
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} catch (e) {
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if (e.name !== 'NotSupportedError') {
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throw e;
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}
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}
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});})(typeof define=='function'&&define.amd?define
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:(function(n,w){'use strict';return typeof module=='object'?function(c){
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c(require,exports,module);}:function(c){var m={exports:{}};c(function(n){
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return w[n];},m.exports,m);w[n]=m.exports;};})('gaia-toolbar',this));
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