Files
advanced-camera-card/src/card.ts
T

555 lines
17 KiB
TypeScript

/* eslint-disable @typescript-eslint/no-explicit-any */
import {
CSSResultGroup,
LitElement,
PropertyValues,
TemplateResult,
html,
unsafeCSS,
} from 'lit';
import { customElement, property, query, state } from 'lit/decorators';
import { classMap } from 'lit/directives/class-map.js';
import { until } from 'lit/directives/until.js';
import { View } from './view';
import { FrigateCardMenu } from './components/menu';
import {
renderMessage,
renderErrorMessage,
renderProgressIndicator,
} from './components/message';
import {
HomeAssistant,
LovelaceCardEditor,
fireEvent,
getLovelace,
stateIcon,
} from 'custom-card-helpers';
import './editor';
import './components/menu';
import './components/message';
import './components/gallery';
import './components/viewer';
import cardStyle from './scss/card.scss';
import {
MenuButton,
frigateCardConfigSchema,
signedPathSchema,
} from './types';
import type {
BrowseMediaQueryParameters,
ExtendedHomeAssistant,
FrigateCardConfig,
} from './types';
import { CARD_VERSION } from './const';
import { localize } from './localize/localize';
import JSMpeg from '@cycjimmy/jsmpeg-player';
import { getParseErrorKeys, homeAssistantWSRequest } from './common';
/* eslint no-console: 0 */
console.info(
`%c FRIGATE-HASS-CARD \n%c ${localize('common.version')} ${CARD_VERSION} `,
'color: pink; font-weight: bold; background: black',
'color: white; font-weight: bold; background: dimgray',
);
// This puts your card into the UI card picker dialog
(window as any).customCards = (window as any).customCards || [];
(window as any).customCards.push({
type: 'frigate-card',
name: localize('common.frigate_card'),
description: localize('common.frigate_card_description'),
});
// Determine whether the card should be updated based on Home Assistant changes.
function shouldUpdateBasedOnHass(
newHass: HomeAssistant | null,
oldHass: HomeAssistant | undefined,
entities: string[] | null,
): boolean {
if (!newHass || !entities) {
return false;
}
if (!entities.length) {
return false;
}
if (oldHass) {
for (let i = 0; i < entities.length; i++) {
const entity = entities[i];
if (!entity) {
continue;
}
if (oldHass.states[entity] !== newHass.states[entity]) {
return true;
}
}
return false;
}
return false;
}
// Main FrigateCard class.
@customElement('frigate-card')
export class FrigateCard extends LitElement {
// Get the configuration element.
public static async getConfigElement(): Promise<LovelaceCardEditor> {
return document.createElement('frigate-card-editor');
}
// Get a stub basic config.
public static getStubConfig(): Record<string, string> {
return {};
}
set hass(hass: HomeAssistant & ExtendedHomeAssistant) {
if (this._webrtcElement) {
this._webrtcElement.hass = hass;
}
this._hass = hass;
this._updateMenu();
}
@property({ attribute: false })
protected _hass: (HomeAssistant & ExtendedHomeAssistant) | null = null;
@state()
public config!: FrigateCardConfig;
protected _interactionTimerID: number | null = null;
protected _jsmpegCanvasElement: any | null = null;
protected _jsmpegPlayer: any | null = null;
protected _webrtcElement: any | null = null;
@property({ attribute: false })
protected _view: View = new View();
// Whether or not there is an active clip being played.
protected _clipPlaying = false;
@query('frigate-card-menu')
_menu!: FrigateCardMenu | null;
// A small cache to avoid needing to create a new list of entities every time
// a hass update arrives.
protected _entitiesToMonitor: string[] | null = null;
protected _updateMenu(): void {
// Manually set hass in the menu. This is to allow the menu to update,
// without necessarily re-rendering the entire card (re-rendering interrupts
// clip playing).
if (!this._menu || !this._hass) {
return;
}
this._menu.buttons = this._getMenuButtons();
}
protected _getMenuButtons(): Map<string, MenuButton> {
const buttons: Map<string, MenuButton> = new Map();
if (this.config.menu_buttons?.frigate ?? true) {
buttons.set('frigate', { description: localize('menu.frigate') });
}
if (this.config.menu_buttons?.live ?? true) {
buttons.set('live', {
icon: 'mdi:cctv',
description: localize('menu.live'),
emphasize: this._view.is('live'),
});
}
if (this.config.menu_buttons?.clips ?? true) {
buttons.set('clips', {
icon: 'mdi:filmstrip',
description: localize('menu.clips'),
emphasize: this._view.is('clips'),
});
}
if (this.config.menu_buttons?.snapshots ?? true) {
buttons.set('snapshots', {
icon: 'mdi:camera',
description: localize('menu.snapshots'),
emphasize: this._view.is('snapshots'),
});
}
if ((this.config.menu_buttons?.frigate_ui ?? true) && this.config.frigate_url) {
buttons.set('frigate_ui', {
icon: 'mdi:web',
description: localize('menu.frigate_ui'),
});
}
const entities = this.config.entities || [];
for (let i = 0; this._hass && i < entities.length; i++) {
if (!entities[i].show) {
continue;
}
const entity = entities[i].entity;
const state = this._hass.states[entity];
buttons.set(entity, {
description: state.attributes.friendly_name || entity,
emphasize: ['on', 'active', 'home'].includes(state.state),
icon: entities[i].icon || stateIcon(state),
});
}
return buttons;
}
// Set the object configuration.
public setConfig(inputConfig: FrigateCardConfig): void {
if (!inputConfig) {
throw new Error(localize('error.invalid_configuration:'));
}
const parseResult = frigateCardConfigSchema.safeParse(inputConfig);
if (!parseResult.success) {
const keys = getParseErrorKeys(parseResult.error);
throw new Error(localize('error.invalid_configuration') + ': ' + keys.join(', '));
}
const config = parseResult.data;
if (config.test_gui) {
getLovelace().setEditMode(true);
}
if (!config.frigate_camera_name) {
// No camera name specified, so just assume it's the same as the entity name.
if (config.camera_entity.includes('.')) {
config.frigate_camera_name = config.camera_entity.split('.', 2)[1];
} else {
throw new Error(localize('error.invalid_configuration') + ': camera_entity');
}
}
if (config.live_provider == 'webrtc') {
// Create a WebRTC element (https://github.com/AlexxIT/WebRTC)
const webrtcElement = customElements.get('webrtc-camera') as any;
if (webrtcElement) {
const webrtc = new webrtcElement();
webrtc.setConfig(config.webrtc || {});
webrtc.hass = this._hass;
this._webrtcElement = webrtc;
} else {
throw new Error(localize('error.missing_webrtc'));
}
}
this.config = config;
this._entitiesToMonitor = [
...(this.config.entities || []).map((entity) => entity.entity),
this.config.camera_entity,
];
this._changeView();
}
protected _changeViewHandler(e: CustomEvent<View>): void {
const view = e.detail;
if (view === undefined) {
this._view = new View({ view: this.config.view_default });
} else {
this._view = view;
}
this._resetJSMPEGIfNecessary();
}
// Update the card view.
protected _changeView(view?: View | undefined): void {
if (view === undefined) {
this._view = new View({ view: this.config.view_default });
} else {
this._view = view;
}
this._resetJSMPEGIfNecessary();
}
// Determine whether the card should be updated.
protected shouldUpdate(changedProps: PropertyValues): boolean {
if (!this.config) {
return false;
}
if (changedProps.has('config')) {
return true;
}
const oldHass = changedProps.get('_hass') as HomeAssistant | undefined;
if (oldHass) {
// Home Assistant pumps a lot of updates through. Re-rendering the card is
// necessary at times (e.g. to update the 'clip' view as new clips
// arrive), but also is a jarring experience for the user (e.g. if they
// are browsing the mini-gallery). Do not allow re-rendering from a Home
// Assistant update if there's been recent interaction (e.g. clicks on the
// card) or if there is a clip active playing.
if (this._interactionTimerID || this._clipPlaying) {
return false;
}
return shouldUpdateBasedOnHass(this._hass, oldHass, this._entitiesToMonitor);
}
return true;
}
protected _menuActionHandler(name: string): void {
switch (name) {
case 'frigate':
this._changeView();
break;
case 'live':
case 'clips':
case 'snapshots':
this._changeView(new View({ view: name }));
break;
case 'frigate_ui':
const frigate_url = this._getFrigateURLFromContext();
if (frigate_url) {
window.open(frigate_url);
}
break;
default:
// If it's unknown, it's assumed to be an entity_id.
fireEvent(this, 'hass-more-info', { entityId: name });
}
}
// Get the Frigate UI url.
protected _getFrigateURLFromContext(): string | null {
if (!this.config.frigate_url) {
return null;
}
if (this._view.is('live')) {
return `${this.config.frigate_url}/cameras/${this.config.frigate_camera_name}`;
}
return `${this.config.frigate_url}/events?camera=${this.config.frigate_camera_name}`;
}
public updated(): void {
this.updateComplete.then(() => {
// DOM elements are not always present until after updateComplete promise
// is resolved. Note that children of children (i.e. the underlying video
// element) is not always present even when the promise returns, so
// capture the event at the upper shadow root instead.
const hls_player = this.renderRoot
?.querySelector('ha-card')
?.querySelector('ha-hls-player');
if (hls_player) {
hls_player.shadowRoot?.addEventListener(
'play',
() => {
this._clipPlaying = true;
},
true,
);
hls_player.shadowRoot?.addEventListener(
'pause',
() => {
this._clipPlaying = true;
},
true,
);
}
});
}
protected async _getJSMPEGURL(): Promise<string | null> {
if (!this._hass) {
return null;
}
const request = {
type: 'auth/sign_path',
path:
`/api/frigate/${this.config.frigate_client_id}` +
`/jsmpeg/${this.config.frigate_camera_name}`,
};
// Sign the path so it includes an authSig parameter.
let response;
try {
response = await homeAssistantWSRequest(this._hass, signedPathSchema, request);
} catch (err) {
console.warn(err);
return null;
}
const url = this._hass.hassUrl(response.path);
return url.replace(/^http/i, 'ws');
}
protected _resetJSMPEGIfNecessary(): void {
if (!this._view.is('live') || this.config.live_provider != 'frigate-jsmpeg') {
if (this._jsmpegPlayer) {
this._jsmpegPlayer.destroy();
this._jsmpegPlayer = null;
}
this._jsmpegCanvasElement = null;
}
}
// Cleanup and/or start the JSMPEG player.
protected async _renderJSMPEGPlayer(): Promise<TemplateResult> {
if (!this._jsmpegCanvasElement) {
this._jsmpegCanvasElement = document.createElement('canvas');
this._jsmpegCanvasElement.className = 'media';
}
if (!this._jsmpegPlayer) {
const jsmpeg_url = await this._getJSMPEGURL();
if (!jsmpeg_url) {
return renderErrorMessage('Could not retrieve or sign JSMPEG websocket path');
}
// Return the html canvas node only after the JSMPEG video has loaded and
// is playing, to reduce the amount of time the user is staring at a blank
// white canvas (instead they get the progress spinner until this promise
// resolves).
return new Promise<TemplateResult>((resolve) => {
this._jsmpegPlayer = new JSMpeg.VideoElement(
this,
jsmpeg_url,
{
canvas: this._jsmpegCanvasElement,
hooks: {
play: () => {
resolve(html`${this._jsmpegCanvasElement}`);
},
},
},
{ protocols: [], videoBufferSize: 1024 * 1024 * 4 },
);
});
}
return html`${this._jsmpegCanvasElement}`;
}
// Render the live viewer.
// Note: The live viewer is the main element used to size the overall card. It
// is always rendered (but sometimes hidden).
protected async _renderLiveViewer(): Promise<TemplateResult> {
if (!this._hass || !(this.config.camera_entity in this._hass.states)) {
return renderMessage(localize('error.no_live_camera'), 'mdi:camera-off');
}
if (this._webrtcElement) {
return html`${this._webrtcElement}`;
}
if (this.config.live_provider == 'frigate-jsmpeg') {
return await this._renderJSMPEGPlayer();
}
return html` <ha-camera-stream
.hass=${this._hass}
.stateObj=${this._hass.states[this.config.camera_entity]}
.controls=${true}
.muted=${true}
>
</ha-camera-stream>`;
}
// Record interactions with the card.
protected _interactionHandler(): void {
if (!this.config.view_timeout) {
return;
}
if (this._interactionTimerID) {
window.clearTimeout(this._interactionTimerID);
}
this._interactionTimerID = window.setTimeout(() => {
this._interactionTimerID = null;
this._changeView();
}, this.config.view_timeout * 1000);
}
protected _renderMenu(): TemplateResult | void {
const classes = {
'hover-menu': this.config.menu_mode.startsWith('hover-'),
};
return html`
<frigate-card-menu
class="${classMap(classes)}"
.actionCallback=${this._menuActionHandler.bind(this)}
.menuMode=${this.config.menu_mode}
.buttons=${this._getMenuButtons()}
></frigate-card-menu>
`;
}
protected _getBrowseMediaQueryParameters(): BrowseMediaQueryParameters {
return {
mediaType: this._view.view == 'clips' ? 'clips' : 'snapshots',
clientId: this.config.frigate_client_id,
// frigate_camera_name cannot be null, it will be set to a default value
// in setConfig if not specified in the configuration.
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
cameraName: this.config.frigate_camera_name!,
label: this.config.label,
zone: this.config.zone,
};
}
// Render the call (master render method).
protected render(): TemplateResult | void {
if (this.config.show_warning) {
return this._showWarning(localize('common.show_warning'));
}
if (this.config.show_error) {
return this._showError(localize('common.show_error'));
}
return html` <ha-card @click=${this._interactionHandler}>
${this.config.menu_mode == 'above' ? this._renderMenu() : ''}
<div class="container_16_9 outer">
<div class="frigate-card-contents">
${this._view.is('clips') || this._view.is('snapshots')
? html` <frigate-card-gallery
.hass=${this._hass}
.view=${this._view}
.browseMediaQueryParameters=${this._getBrowseMediaQueryParameters()}
@frigate-card:change-view=${this._changeViewHandler}
>
</frigate-card-gallery>`
: ``}
${this._view.is('clip') || this._view.is('snapshot')
? html` <frigate-card-viewer
.hass=${this._hass}
.view=${this._view}
.browseMediaQueryParameters=${this._getBrowseMediaQueryParameters()}
.nextPreviousControlStyle=${this.config.controls?.nextprev ?? 'thumbnails'}
.autoplayClip=${this.config.autoplay_clip}
@frigate-card:change-view=${this._changeViewHandler}
>
</frigate-card-viewer>`
: ``}
${this._view.is('live')
? until(this._renderLiveViewer(), renderProgressIndicator())
: ``}
</div>
</div>
${this.config.menu_mode != 'above' ? this._renderMenu() : ''}
</ha-card>`;
}
// Show a warning card.
private _showWarning(warning: string): TemplateResult {
return html` <hui-warning> ${warning} </hui-warning> `;
}
// Show an error card.
private _showError(error: string): TemplateResult {
const errorCard = document.createElement('hui-error-card');
errorCard.setConfig({
type: 'error',
error,
origConfig: this.config,
});
return html` ${errorCard} `;
}
// Return compiled CSS styles (thus safe to use with unsafeCSS).
static get styles(): CSSResultGroup {
return unsafeCSS(cardStyle);
}
// Get the Lovelace card size.
public getCardSize(): number {
return 6;
}
}