Break out thumbnails into their own component.

package.json

@@ -25,6 +25,7 @@
     "component-emitter": "^1.3.0",
     "crypto": "^1.0.1",
     "custom-card-helpers": "^1.9.0",
+    "date-fns": "^2.28.0",
     "embla-carousel": "^6.1.1",
     "home-assistant-js-websocket": "^6.1.1",
     "keycharm": "^0.4.0",

src/common.ts

@@ -8,8 +8,13 @@ import {
 } from 'custom-card-helpers';
 import { StyleInfo } from 'lit/directives/style-map.js';
 import { ZodSchema, z } from 'zod';
+import {
+  differenceInSeconds,
+  differenceInMinutes,
+  differenceInHours,
+  fromUnixTime,
+} from 'date-fns';
 import { isEqual } from 'lodash-es';
-
 import { localize } from './localize/localize.js';
 import {
   Actions,
@@ -20,6 +25,7 @@ import {
   FrigateCardAction,
   FrigateCardCustomAction,
   frigateCardCustomActionSchema,
+  FrigateEvent,
   MediaShowInfo,
   Message,
   SignedPath,
@@ -589,3 +595,31 @@ export const frigateCardHasAction = (
 export const stopEventFromActivatingCardWideActions = (ev: Event): void => {
   ev.stopPropagation();
 };
+
+/**
+ * Convenience function to convert a timestamp to hours, minutes and seconds
+ * string. Heavily inspired by, and returning the same format as, the Frigate
+ * UI: https://github.com/blakeblackshear/frigate/blob/master/web/src/components/RecordingPlaylist.jsx#L97
+ * @param event The Frigate event.
+ * @returns A duration string.
+ */
+export function getEventDurationString(event: FrigateEvent): string {
+  if (!event.end_time) {
+    return localize('event.in_progress');
+  }
+  const start = fromUnixTime(event.start_time);
+  const end = fromUnixTime(event.end_time);
+  const hours = differenceInHours(end, start);
+  const minutes = differenceInMinutes(end, start) - hours * 60;
+  const seconds = differenceInSeconds(end, start) - hours * 60 - minutes * 60;
+  let duration = '';
+
+  if (hours) {
+    duration += `${hours}h `;
+  }
+  if (minutes) {
+    duration += `${minutes}m `;
+  }
+  duration += `${seconds}s`;
+  return duration;
+}

src/components/drawer.ts

@@ -67,7 +67,7 @@ export class FrigateCardDrawer extends LitElement {
               >
                 <ha-icon
                   class="control"
-                  icon="${this.open ? 'mdi:menu' : 'mdi:menu-open'}"
+                  icon="${this.open ? 'mdi:menu-open' : 'mdi:menu'}"
                 >
                 </ha-icon>
               </div>

src/components/live.ts

@@ -152,7 +152,7 @@ export class FrigateCardLive extends LitElement {
           .target=${parent}
           .view=${this.view}
           .config=${config.controls.thumbnails}
-          .highlightSelected=${false}
+          .highlight_selected=${false}
           @frigate-card:carousel:tap=${(ev: CustomEvent<ThumbnailCarouselTap>) => {
             const mediaType = browseMediaParams.mediaType;
             if (mediaType && this.view && ['snapshots', 'clips'].includes(mediaType)) {

src/components/thumbnail-carousel.ts

@@ -3,6 +3,7 @@ import { CSSResultGroup, TemplateResult, html, unsafeCSS, PropertyValues } from
 import { EmblaOptionsType } from 'embla-carousel';
 import { classMap } from 'lit/directives/class-map.js';
 import { customElement, property } from 'lit/decorators.js';
+import { ifDefined } from 'lit/directives/if-defined.js';
 
 import type { FrigateBrowseMediaSource, ThumbnailsControlConfig } from '../types.js';
 import { FrigateCardCarousel } from './carousel.js';
@@ -12,6 +13,8 @@ import {
   stopEventFromActivatingCardWideActions,
 } from '../common.js';
 
+import "./thumbnail.js";
+
 import thumbnailCarouselStyle from '../scss/thumbnail-carousel.scss';
 
 export interface ThumbnailCarouselTap {
@@ -29,18 +32,10 @@ export class FrigateCardThumbnailCarousel extends FrigateCardCarousel {
   public selected?: number | null;
 
   @property({ attribute: false })
-  set config(config: ThumbnailsControlConfig | undefined) {
+  public config?: ThumbnailsControlConfig;
-    if (config) {
-      if (config && config.size !== undefined && config.size !== null) {
-        this.style.setProperty('--frigate-card-carousel-thumbnail-size', config.size);
-      }
-      this._config = config;
-    }
-  }
-  protected _config?: ThumbnailsControlConfig;
 
   @property({ attribute: false })
-  set highlightSelected(value: boolean) {
+  set highlight_selected(value: boolean) {
     this.style.setProperty(
       '--frigate-card-carousel-thumbnail-opacity',
       value ? '0.6' : '1.0',
@@ -113,16 +108,20 @@ export class FrigateCardThumbnailCarousel extends FrigateCardCarousel {
     }
 
     const mediaToRender = parent.children[childIndex];
-    if (!BrowseMediaUtil.isTrueMedia(mediaToRender) || !mediaToRender.thumbnail) {
+    if (!BrowseMediaUtil.isTrueMedia(mediaToRender)) {
       return;
     }
 
     const classes = {
-      'embla__slide': true,
+      embla__slide: true,
       'slide-selected': this.selected == childIndex,
     };
 
-    return html`<div
+    return html`
+      <frigate-card-thumbnail
+        .media=${mediaToRender}
+        details
+        thumbnail_size=${ifDefined(this.config?.size)}
         class="${classMap(classes)}"
         @click=${(ev) => {
           if (this._carousel && this._carousel.clickAllowed()) {
@@ -135,17 +134,7 @@ export class FrigateCardThumbnailCarousel extends FrigateCardCarousel {
           stopEventFromActivatingCardWideActions(ev);
         }}
       >
-      <img
+      </frigate-card-thumbnail>`;
-        aria-label="${mediaToRender.title}"
-        src="${mediaToRender.thumbnail}"
-        title="${mediaToRender.title}"
-      />
-      ${mediaToRender?.frigate?.event?.retain_indefinitely ? html`
-        <ha-icon
-          class="favorite"
-          icon="mdi:star"
-        />` : ``}
-    </div>`;
   }
 
   /**
@@ -154,7 +143,7 @@ export class FrigateCardThumbnailCarousel extends FrigateCardCarousel {
    */
   protected render(): TemplateResult | void {
     const slides = this._getSlides();
-    if (!slides || !this._config || this._config.mode == 'none') {
+    if (!slides || !this.config || this.config.mode == 'none') {
       return;
     }
 

src/components/thumbnail.ts

@@ -0,0 +1,74 @@
+import { CSSResult, TemplateResult, html, unsafeCSS } from 'lit';
+import { customElement, property } from 'lit/decorators.js';
+import { format, fromUnixTime } from 'date-fns';
+
+import type { FrigateBrowseMediaSource } from '../types.js';
+import { FrigateCardCarousel } from './carousel.js';
+import { getEventDurationString, prettifyFrigateName } from '../common.js';
+import { localize } from '../localize/localize.js';
+
+import thumbnailStyle from '../scss/thumbnail.scss';
+
+@customElement('frigate-card-thumbnail')
+export class FrigateCardThumbnail extends FrigateCardCarousel {
+  @property({ attribute: false })
+  public media?: FrigateBrowseMediaSource;
+
+  @property({ attribute: true, type: Boolean, reflect: true })
+  public details = false;
+
+  @property({ attribute: false })
+  set thumbnail_size(size: number) {
+    this.style.setProperty('--frigate-card-thumbnail-size', String(size));
+  }
+
+  /**
+   * Render the element.
+   * @returns A template to display to the user.
+   */
+  protected render(): TemplateResult | void {
+    if (!this.media || !this.media.thumbnail) {
+      return;
+    }
+    const event = this.media.frigate?.event;
+    return html`
+      <img
+        aria-label="${this.media.title}"
+        src="${this.media.thumbnail}"
+        title="${this.media.title}"
+      />
+      ${event?.retain_indefinitely
+        ? html` <ha-icon class="favorite" icon="mdi:star" />`
+        : ``}
+      ${this.details && event
+        ? html` <div class="details">
+            <div class="left">
+              <div class="larger">${prettifyFrigateName(event.label)}</div>
+              <div>
+                <span>
+                  <span class="heading">${localize('event.start')}:</span>
+                  ${format(fromUnixTime(event.start_time), 'HH:mm:ss')}
+                </span>
+              </div>
+              <div>
+                <span>
+                  <span class="heading">${localize('event.duration')}:</span>
+                  ${getEventDurationString(event)}
+                </span>
+              </div>
+            </div>
+            <div class="right">
+              <div class="larger">${(event.top_score * 100).toFixed(2) + '%'}</div>
+            </div>
+          </div>`
+        : html``}
+    `;
+  }
+
+  /**
+   * Get element styles.
+   */
+  static get styles(): CSSResult {
+    return unsafeCSS(thumbnailStyle);
+  }
+}

src/components/timeline.ts

@@ -281,7 +281,7 @@ export class FrigateCardTimeline extends LitElement {
           ${ref(this._thumbnailsRef)}
           direction="vertical"
           .config=${config}
-          .highlightSelected=${true}
+          .highlight_selected=${true}
           @frigate-card:carousel:tap=${(ev: CustomEvent<ThumbnailCarouselTap>) => {
             if (ev.detail.target && ev.detail.childIndex) {
               this.view

src/localize/languages/en.json

@@ -206,6 +206,11 @@
     "overrides": "Overrides are active",
     "overrides_secondary": "Dynamic configuration overrides detected"
   },
+  "event": {
+    "start": "Start",
+    "duration": "Duration",
+    "in_progress": "In Progress"
+  },
   "error": {
     "empty_response": "Received empty response from Home Assistant for request",
     "invalid_response": "Received invalid response from Home Assistant for request",

src/scss/thumbnail-carousel.scss

@@ -1,37 +1,12 @@
 :host {
-  --frigate-card-carousel-thumbnail-size: 100px;
+  --frigate-card-carousel-thumbnail-opacity: 0.8;
-  --frigate-card-carousel-thumbnail-opacity: 0.6;
 }
 
 .embla__slide {
-  flex: 0 0 var(--frigate-card-carousel-thumbnail-size);
+  flex: 0 0 fit-content;
   opacity: var(--frigate-card-carousel-thumbnail-opacity);
-  transition: opacity 0.6s ease, transform 0.2s linear;
+  transition: opacity 0.6s ease;
 }
 .embla__slide.slide-selected {
   opacity: 1.0;
 }
-.embla__slide:hover {
-  transform: scale(1.04);
-}
-.embla__slide img {
-  border-radius: 5px;
-
-  // Not 'contain' as some thumbnails may vary in aspect-ratio slightly and
-  // should be clipped to fill the thumbnail div whilst maintaining
-  // aspect-ratio.
-  object-fit: cover;
-
-  // Restrict images to a maximum of thumbnail size.
-  max-width: var(--frigate-card-carousel-thumbnail-size);
-  max-height: var(--frigate-card-carousel-thumbnail-size);
-}
-.favorite {
-  position: absolute;
-  transform: translate(-50%, -50%);
-  height: 24px;
-  width: 24px;
-  top: 12%;
-  left: 90%;
-  color: yellow;
-}

src/scss/thumbnail.scss

@@ -0,0 +1,65 @@
+:host {
+  display: flex;
+  flex-direction: row;
+
+  --frigate-card-thumbnail-size: 100px;
+}
+
+:host([details]) {
+  border: 1px solid var(--primary-color);
+  border-radius: 5px;
+  padding: 2px;
+}
+
+img {
+  border-radius: 5px;
+
+  // Not 'contain' as some thumbnails may vary in aspect-ratio slightly and
+  // should be clipped to fill the thumbnail div whilst maintaining
+  // aspect-ratio.
+  object-fit: cover;
+
+  // Restrict images to a maximum of thumbnail size.
+  max-width: var(--frigate-card-thumbnail-size);
+  max-height: var(--frigate-card-thumbnail-size);
+
+  transition: transform 0.2s linear;
+}
+img:hover {
+  transform: scale(1.04);
+}
+
+div.details {
+  display: flex;
+
+  width: 200px;
+  margin-left: 5px;
+  padding: 8px;
+  color: var(--primary-text-color);
+}
+div.details div {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+}
+div.details div.left {
+  flex: 1;
+}
+
+div.larger {
+  font-size: 1.5rem;
+}
+
+span.heading {
+  font-weight: bold;
+}
+
+.favorite {
+  position: absolute;
+  transform: translate(-50%, -50%);
+  height: 24px;
+  width: 24px;
+  top: 12%;
+  left: 90%;
+  color: yellow;
+}

src/types.ts

@@ -932,12 +932,9 @@ interface BrowseMediaSource {
   children?: BrowseMediaSource[] | null;
 }
 
-export interface FrigateBrowseMediaSource extends BrowseMediaSource {
+export interface FrigateEvent {
-  children?: FrigateBrowseMediaSource[] | null;
-  frigate?: {
-    event: {
   camera: string;
-      end_time: number;
+  end_time?: number;
   false_positive: boolean;
   has_clip: boolean;
   has_snapshot: boolean;
@@ -947,7 +944,12 @@ export interface FrigateBrowseMediaSource extends BrowseMediaSource {
   top_score: number;
   zones: string[];
   retain_indefinitely: boolean;
-    };
+}
+
+export interface FrigateBrowseMediaSource extends BrowseMediaSource {
+  children?: FrigateBrowseMediaSource[] | null;
+  frigate?: {
+    event: FrigateEvent,
   };
 }