/**
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at
http://polymer.github.io/LICENSE.txt The complete set of authors may be found at
http://polymer.github.io/AUTHORS.txt The complete set of contributors may be
found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as
part of the polymer project is also subject to an additional IP rights grant
found at http://polymer.github.io/PATENTS.txt
*/
import"../iron-flex-layout/iron-flex-layout.js";import{IronMeta as i}from"../iron-meta/iron-meta.js";import{Polymer as t}from"../polymer/lib/legacy/polymer-fn.js";import{dom as e}from"../polymer/lib/legacy/polymer.dom.js";import{html as o}from"../polymer/lib/utils/html-tag.js";import{Base as s}from"../polymer/polymer-legacy.js";t({_template:o`
    <style>
      :host {
        @apply --layout-inline;
        @apply --layout-center-center;
        position: relative;

        vertical-align: middle;

        fill: var(--iron-icon-fill-color, currentcolor);
        stroke: var(--iron-icon-stroke-color, none);

        width: var(--iron-icon-width, 24px);
        height: var(--iron-icon-height, 24px);
        @apply --iron-icon;
      }

      :host([hidden]) {
        display: none;
      }
    </style>
`,is:"iron-icon",properties:{icon:{type:String},theme:{type:String},src:{type:String},_meta:{value:s.create("iron-meta",{type:"iconset"})}},observers:["_updateIcon(_meta, isAttached)","_updateIcon(theme, isAttached)","_srcChanged(src, isAttached)","_iconChanged(icon, isAttached)"],_DEFAULT_ICONSET:"icons",_iconChanged:function(i){var t=(i||"").split(":");this._iconName=t.pop(),this._iconsetName=t.pop()||this._DEFAULT_ICONSET,this._updateIcon()},_srcChanged:function(i){this._updateIcon()},_usesIconset:function(){return this.icon||!this.src},_updateIcon:function(){this._usesIconset()?(this._img&&this._img.parentNode&&e(this.root).removeChild(this._img),""===this._iconName?this._iconset&&this._iconset.removeIcon(this):this._iconsetName&&this._meta&&(this._iconset=this._meta.byKey(this._iconsetName),this._iconset?(this._iconset.applyIcon(this,this._iconName,this.theme),this.unlisten(window,"iron-iconset-added","_updateIcon")):this.listen(window,"iron-iconset-added","_updateIcon"))):(this._iconset&&this._iconset.removeIcon(this),this._img||(this._img=document.createElement("img"),this._img.style.width="100%",this._img.style.height="100%",this._img.draggable=!1),this._img.src=this.src,e(this.root).appendChild(this._img))}});