/**
@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"../polymer/polymer-legacy.js";import{IronMeta as t}from"../iron-meta/iron-meta.js";import{Polymer as e}from"../polymer/lib/legacy/polymer-fn.js";import{dom as n}from"../polymer/lib/legacy/polymer.dom.js";e({is:"iron-iconset-svg",properties:{name:{type:String,observer:"_nameChanged"},size:{type:Number,value:24},rtlMirroring:{type:Boolean,value:!1},useGlobalRtlAttribute:{type:Boolean,value:!1}},created:function(){this._meta=new t({type:"iconset",key:null,value:null})},attached:function(){this.style.display="none"},getIconNames:function(){return this._icons=this._createIconMap(),Object.keys(this._icons).map((function(t){return this.name+":"+t}),this)},applyIcon:function(t,e){this.removeIcon(t);var i=this._cloneIcon(e,this.rtlMirroring&&this._targetIsRTL(t));if(i){var r=n(t.root||t);return r.insertBefore(i,r.childNodes[0]),t._svgIcon=i}return null},removeIcon:function(t){t._svgIcon&&(n(t.root||t).removeChild(t._svgIcon),t._svgIcon=null)},_targetIsRTL:function(t){if(null==this.__targetIsRTL)if(this.useGlobalRtlAttribute){var e=document.body&&document.body.hasAttribute("dir")?document.body:document.documentElement;this.__targetIsRTL="rtl"===e.getAttribute("dir")}else t&&t.nodeType!==Node.ELEMENT_NODE&&(t=t.host),this.__targetIsRTL=t&&"rtl"===window.getComputedStyle(t).direction;return this.__targetIsRTL},_nameChanged:function(){this._meta.value=null,this._meta.key=this.name,this._meta.value=this,this.async((function(){this.fire("iron-iconset-added",this,{node:window})}))},_createIconMap:function(){var t=Object.create(null);return n(this).querySelectorAll("[id]").forEach((function(e){t[e.id]=e})),t},_cloneIcon:function(t,e){return this._icons=this._icons||this._createIconMap(),this._prepareSvgClone(this._icons[t],this.size,e)},_prepareSvgClone:function(t,e,n){if(t){var i=t.cloneNode(!0),r=document.createElementNS("http://www.w3.org/2000/svg","svg"),o=i.getAttribute("viewBox")||"0 0 "+e+" "+e,s="pointer-events: none; display: block; width: 100%; height: 100%;";return n&&i.hasAttribute("mirror-in-rtl")&&(s+="-webkit-transform:scale(-1,1);transform:scale(-1,1);transform-origin:center;"),r.setAttribute("viewBox",o),r.setAttribute("preserveAspectRatio","xMidYMid meet"),r.setAttribute("focusable","false"),r.style.cssText=s,r.appendChild(i).removeAttribute("id"),r}return null}});