chrome-devtools-frontend
Version:
Chrome DevTools UI
64 lines (53 loc) • 2.07 kB
text/typescript
// Copyright (c) 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import * as ComponentHelpers from '../../../ui/components/helpers/helpers.js';
import * as LitHtml from '../../../ui/lit-html/lit-html.js';
import computedStyleTraceStyles from './computedStyleTrace.css.js';
const {render, html} = LitHtml;
export interface ComputedStyleTraceData {
selector: string;
active: boolean;
onNavigateToSource: (event?: Event) => void;
ruleOriginNode?: Node;
}
export class ComputedStyleTrace extends HTMLElement {
static readonly litTagName = LitHtml.literal`devtools-computed-style-trace`;
readonly #shadow = this.attachShadow({mode: 'open'});
#selector = '';
#active = false;
#onNavigateToSource: ((event?: Event) => void) = () => {};
#ruleOriginNode?: Node;
connectedCallback(): void {
this.#shadow.adoptedStyleSheets = [computedStyleTraceStyles];
}
set data(data: ComputedStyleTraceData) {
this.#selector = data.selector;
this.#active = data.active;
this.#onNavigateToSource = data.onNavigateToSource;
this.#ruleOriginNode = data.ruleOriginNode;
this.#render();
}
#render(): void {
// Disabled until https://crbug.com/1079231 is fixed.
// clang-format off
render(html`
<div class="computed-style-trace ${this.#active ? 'active' : 'inactive'}">
<span class="goto" @click=${this.#onNavigateToSource}></span>
<slot name="trace-value" @click=${this.#onNavigateToSource}></slot>
<span class="trace-selector">${this.#selector}</span>
<span class="trace-link">${this.#ruleOriginNode}</span>
</div>
`, this.#shadow, {
host: this,
});
// clang-format on
}
}
ComponentHelpers.CustomElements.defineComponent('devtools-computed-style-trace', ComputedStyleTrace);
declare global {
// eslint-disable-next-line @typescript-eslint/no-unused-vars
interface HTMLElementTagNameMap {
'devtools-computed-style-trace': ComputedStyleTrace;
}
}