front_end/panels/elements/components/CSSHintDetailsView.ts

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/* eslint-disable @devtools/no-lit-render-outside-of-view */

import '../../../ui/legacy/legacy.js';

import * as i18n from '../../../core/i18n/i18n.js';
import {Directives, html, render} from '../../../ui/lit/lit.js';

import cssHintDetailsViewStyles from './cssHintDetailsView.css.js';

const UIStrings = {
  /**
   * @description Text for button that redirects to CSS property documentation.
   */
  learnMore: 'Learn More',
} as const;
const str_ = i18n.i18n.registerUIStrings('panels/elements/components/CSSHintDetailsView.ts', UIStrings);
const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);

interface Hint {
  getMessage(): string;
  getPossibleFixMessage(): string|null;
  getLearnMoreLink(): string|undefined;
}

export class CSSHintDetailsView extends HTMLElement {
  readonly #shadow = this.attachShadow({mode: 'open'});
  readonly #authoringHint: Hint;

  constructor(authoringHint: Hint) {
    super();
    this.#authoringHint = authoringHint;
    this.#render();
  }

  #render(): void {
    const link = this.#authoringHint.getLearnMoreLink();
    // clang-format off
      render(html`
        <style>${cssHintDetailsViewStyles}</style>
        <div class="hint-popup-wrapper">
          <div class="hint-popup-reason">
            ${Directives.unsafeHTML(this.#authoringHint.getMessage())}
          </div>
          ${this.#authoringHint.getPossibleFixMessage() ? html`
              <div class="hint-popup-possible-fix">
                  ${Directives.unsafeHTML(this.#authoringHint.getPossibleFixMessage())}
              </div>
          ` : ''}
          ${link ? html`
                      <div class="footer">
                        <x-link id="learn-more" href=${link} class="clickable underlined unbreakable-text">
                            ${i18nString(UIStrings.learnMore)}
                        </x-link>
                      </div>
                  `: ''}
        </div>
      `, this.#shadow, {
        host: this,
      });
    // clang-format on
  }
}

customElements.define('devtools-css-hint-details-view', CSSHintDetailsView);

declare global {
  interface HTMLElementTagNameMap {
    'devtools-css-hint-details-view': CSSHintDetailsView;
  }
}