text: /**
  @license
  (C) Copyright Nuxeo Corp. (http://nuxeo.com/)
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  */
  import { NeonAnimationRunnerBehavior } from '@polymer/neon-animation/neon-animation-runner-behavior.js';
  import '@nuxeo/nuxeo-elements/nuxeo-element.js';
  import { PaperDialogBehavior } from '@polymer/paper-dialog-behavior/paper-dialog-behavior.js';
  import '@polymer/paper-dialog-behavior/paper-dialog-shared-styles.js';
  import { html } from '@polymer/polymer/lib/utils/html-tag.js';
  import { dom } from '@polymer/polymer/lib/legacy/polymer.dom.js';
  import { mixinBehaviors } from '@polymer/polymer/lib/legacy/class.js';
  import { Templatizer } from '@polymer/polymer/lib/legacy/templatizer-behavior.js';
  import { IronOverlayManager } from '@polymer/iron-overlay-behavior/iron-overlay-manager.js';
  
  // ELEMENTS-884 - fix backdrops
  // revert https://github.com/PolymerElements/iron-overlay-behavior/commit/ac1cb
  IronOverlayManager._overlayWithBackdrop = function() {
    for (let i = 0; i < this._overlays.length; i++) {
      if (this._overlays[i].withBackdrop) {
        return this._overlays[i];
      }
    }
  };
  
  {
    /**
     * A dialog element.
     *
     * If a `<template>` is passed as the dialog's content, that `<template>` will be stamped when dialog is opened.
     *
     * @appliesMixin Polymer.NeonAnimationRunnerBehavior
     * @appliesMixin Polymer.Templatizer
     * @memberof Nuxeo
     * @demo demo/nuxeo-dialog/index.html
     */
    class Dialog extends mixinBehaviors([PaperDialogBehavior, NeonAnimationRunnerBehavior, Templatizer], Nuxeo.Element) {
      static get template() {
        return html`
          <style include="paper-dialog-shared-styles">
            :host {
              @apply --nuxeo-dialog;
            }
  
            :host > ::slotted(h2),
            :host > ::slotted(*) {
              margin-top: 16px;
            }
  
            :host > ::slotted(.buttons) {
              @apply --layout-horizontal;
              @apply --layout-justified;
              margin-top: 16px;
              background-color: var(--nuxeo-dialog-buttons-bar, white);
            }
          </style>
  
          <slot></slot>
        `;
      }
  
      static get is() {
        return 'nuxeo-dialog';
      }
  
      static get properties() {
        return {
          /**
           * Make sure dialog is positioned after the backdrop element.
           * Should only be used when the dialog appears behind the backdrop because of stacking context issues.
           */
          reparent: {
            type: Boolean,
            value: false,
          },
        };
      }
  
      ready() {
        super.ready();
        this.addEventListener('iron-overlay-opened', this._opened);
      }
  
      disconnectedCallback() {
        // workaround to prevent IronOverlayBehavior.detached() from being called when unattached
        if (this._observer) {
          this.detached();
        }
        this._instance = null;
      }
  
      _opened(e) {
        const isIOS = /iPhone|iPad|iPod/.test(window.navigator.userAgent);
        if ((this.reparent && e.target.withBackdrop) || isIOS) {
          e.target.parentNode.insertBefore(e.target.backdropElement, e.target);
        }
  
        if (!this._instance) {
          const template = dom(this).querySelector('nuxeo-dialog > template');
          if (template) {
            // prevent "A <template> can only be templatized once" error
            if (!this._templatizerTemplate) {
              this.templatize(template);
            }
            this._instance = this.stamp();
            this.appendChild(this._instance.root);
          }
        }
      }
  
      _forwardHostPropV2(prop, value) {
        if (this._instance) {
          this._instance.forwardHostProp(prop, value);
        }
      }
    }
  
    customElements.define(Dialog.is, Dialog);
    Nuxeo.Dialog = Dialog;
  }
  