Files
advanced-camera-card/src/components/next-prev-control.ts
T

108 lines
3.1 KiB
TypeScript

import { CSSResultGroup, LitElement, TemplateResult, html, unsafeCSS } from 'lit';
import { customElement, property, state } from 'lit/decorators.js';
import { classMap } from 'lit/directives/class-map.js';
import { NextPreviousControlConfig } from '../types.js';
import controlStyle from '../scss/next-previous-control.scss';
import { createFetchThumbnailTask } from '../utils/thumbnail.js';
import { HomeAssistant } from 'custom-card-helpers';
import { renderTask } from '../utils/task.js';
@customElement('frigate-card-next-previous-control')
export class FrigateCardNextPreviousControl extends LitElement {
@property({ attribute: false })
public direction?: 'next' | 'previous';
set controlConfig(controlConfig: NextPreviousControlConfig | undefined) {
if (controlConfig?.size) {
this.style.setProperty('--frigate-card-next-prev-size', `${controlConfig.size}px`);
}
this._controlConfig = controlConfig;
}
@property({ attribute: false })
public hass?: HomeAssistant;
@state()
protected _controlConfig?: NextPreviousControlConfig;
@property({ attribute: false })
public thumbnail?: string;
@property({ attribute: false })
public icon?: string;
@property({ attribute: true, type: Boolean })
public disabled = false;
// Label that is used for ARIA support and as tooltip.
@property() label = '';
protected _embedThumbnailTask = createFetchThumbnailTask(
this,
() => this.hass,
() => this.thumbnail,
);
protected render(): TemplateResult {
if (this.disabled || !this._controlConfig || this._controlConfig.style == 'none') {
return html``;
}
const classes = {
controls: true,
previous: this.direction == 'previous',
next: this.direction == 'next',
thumbnails: this._controlConfig.style == 'thumbnails',
icons: ['chevrons', 'icons'].includes(this._controlConfig.style),
button: ['chevrons', 'icons'].includes(this._controlConfig.style),
};
if (['chevrons', 'icons'].includes(this._controlConfig.style)) {
let icon: string;
if (this._controlConfig.style === 'chevrons') {
icon = this.direction == 'previous' ? 'mdi:chevron-left' : 'mdi:chevron-right';
} else {
if (!this.icon) {
return html``;
}
icon = this.icon;
}
return html` <ha-icon-button class="${classMap(classes)}" .label=${this.label}>
<ha-icon icon=${icon}></ha-icon>
</ha-icon-button>`;
}
if (!this.thumbnail) {
return html``;
}
return renderTask(
this,
this._embedThumbnailTask,
(embeddedThumbnail: string | null) =>
embeddedThumbnail
? html`<img
src="${embeddedThumbnail}"
class="${classMap(classes)}"
title="${this.label}"
aria-label="${this.label}"
/>`
: html``,
() => html`<div class=${classMap(classes)}></div>`,
);
}
static get styles(): CSSResultGroup {
return unsafeCSS(controlStyle);
}
}
declare global {
interface HTMLElementTagNameMap {
'frigate-card-next-previous-control': FrigateCardNextPreviousControl;
}
}