text: /*
   * Copyright (C) 2011 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  import * as UI from '../ui/ui.js';
  
  /**
   * @unrestricted
   */
  export class RequestHTMLView extends UI.Widget.VBox {
    /**
     * @param {string} dataURL
     */
    constructor(dataURL) {
      super(true);
      this.registerRequiredCSS('network/requestHTMLView.css');
      this._dataURL = encodeURI(dataURL).replace(/#/g, '%23');
      this.contentElement.classList.add('html', 'request-view');
    }
  
    /**
     * @override
     */
    wasShown() {
      this._createIFrame();
    }
  
    /**
     * @override
     */
    willHide() {
      this.contentElement.removeChildren();
    }
  
    _createIFrame() {
      // We need to create iframe again each time because contentDocument
      // is deleted when iframe is removed from its parent.
      this.contentElement.removeChildren();
      const iframe = createElement('iframe');
      iframe.className = 'html-preview-frame';
      iframe.setAttribute('sandbox', '');  // Forbid to run JavaScript and set unique origin.
      iframe.setAttribute('src', this._dataURL);
      iframe.setAttribute('tabIndex', -1);
      UI.ARIAUtils.markAsPresentation(iframe);
      this.contentElement.appendChild(iframe);
    }
  }
  