chrome-devtools-frontend
Version:
Chrome DevTools UI
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text/typescript
/*
* 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/legacy/legacy.js';
import requestHTMLViewStyles from './requestHTMLView.css.js';
export class RequestHTMLView extends UI.Widget.VBox {
private readonly dataURL: string;
constructor(dataURL: string) {
super(true);
this.dataURL = encodeURI(dataURL).replace(/#/g, '%23');
this.contentElement.classList.add('html', 'request-view');
}
override wasShown(): void {
this.createIFrame();
this.registerCSSFiles([requestHTMLViewStyles]);
}
override willHide(): void {
this.contentElement.removeChildren();
}
private createIFrame(): void {
// We need to create iframe again each time because contentDocument
// is deleted when iframe is removed from its parent.
this.contentElement.removeChildren();
const iframe = document.createElement('iframe');
iframe.className = 'html-preview-frame';
iframe.setAttribute('sandbox', ''); // Forbid to run JavaScript and set unique origin.
iframe.setAttribute('csp', 'default-src \'none\';style-src \'unsafe-inline\'');
iframe.setAttribute('src', this.dataURL);
iframe.tabIndex = -1;
UI.ARIAUtils.markAsPresentation(iframe);
this.contentElement.appendChild(iframe);
}
}