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 type * as TextUtils from '../../models/text_utils/text_utils.js';
import * as UI from '../../ui/legacy/legacy.js';
import {html, nothing, render} from '../../ui/lit/lit.js';
import requestHTMLViewStyles from './requestHTMLView.css.js';
interface ViewInput {
dataURL: string|null;
}
type View = (input: ViewInput, output: object, target: HTMLElement) => void;
export const DEFAULT_VIEW: View = (input, _output, target) => {
// Forbid to run JavaScript and set unique origin.
// clang-format off
render(html`
<style>${requestHTMLViewStyles}</style>
<div class="html request-view widget vbox">
${input.dataURL ? html`
<!-- @ts-ignore -->
<iframe class="html-preview-frame" sandbox
csp="default-src 'none';img-src data:;style-src 'unsafe-inline'" src=${input.dataURL}
tabindex="-1" role="presentation"></iframe>` : nothing}
</div>`,
target, {host: input});
// clang-format on
};
export class RequestHTMLView extends UI.Widget.VBox {
readonly #dataURL: string;
readonly #view: View;
private constructor(dataURL: string, view = DEFAULT_VIEW) {
super(true);
this.#dataURL = dataURL;
this.#view = view;
}
static create(contentData: TextUtils.ContentData.ContentData): RequestHTMLView|null {
const dataURL = contentData.asDataUrl();
return dataURL ? new RequestHTMLView(dataURL) : null;
}
override wasShown(): void {
super.wasShown();
this.requestUpdate();
}
override willHide(): void {
this.requestUpdate();
}
override performUpdate(): void {
this.#view({dataURL: this.#dataURL}, {}, this.contentElement);
}
}