Render all place photos in a carousel

2026-04-22 07:32:55 +04:00
parent 85a8699b78
commit 94ba33ecc1
4 changed files with 298 additions and 39 deletions
--- a/app/components/place-photos-carousel.gjs
+++ b/app/components/place-photos-carousel.gjs
@@ -0,0 +1,155 @@
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+import { action } from '@ember/object';
+import Blurhash from './blurhash';
+import Icon from './icon';
+import fadeInImage from '../modifiers/fade-in-image';
+import { on } from '@ember/modifier';
+import { modifier } from 'ember-modifier';
+
+export default class PlacePhotosCarousel extends Component {
+  @tracked canScrollLeft = false;
+  @tracked canScrollRight = false;
+
+  carouselElement = null;
+
+  get photos() {
+    return this.args.photos || [];
+  }
+
+  get showChevrons() {
+    return this.photos.length > 1;
+  }
+
+  get cannotScrollLeft() {
+    return !this.canScrollLeft;
+  }
+
+  get cannotScrollRight() {
+    return !this.canScrollRight;
+  }
+
+  setupCarousel = modifier((element) => {
+    this.carouselElement = element;
+
+    // Defer the initial calculation slightly to ensure CSS and images have applied
+    setTimeout(() => {
+      this.updateScrollState();
+    }, 50);
+
+    let resizeObserver;
+    if (window.ResizeObserver) {
+      resizeObserver = new ResizeObserver(() => this.updateScrollState());
+      resizeObserver.observe(element);
+    }
+
+    return () => {
+      if (resizeObserver) {
+        resizeObserver.unobserve(element);
+      }
+    };
+  });
+
+  @action
+  updateScrollState() {
+    if (!this.carouselElement) return;
+
+    const { scrollLeft, scrollWidth, clientWidth } = this.carouselElement;
+    // tolerance of 1px for floating point rounding issues
+    this.canScrollLeft = scrollLeft > 1;
+    this.canScrollRight = scrollLeft + clientWidth < scrollWidth - 1;
+  }
+
+  @action
+  scrollLeft() {
+    if (!this.carouselElement) return;
+    this.carouselElement.scrollBy({
+      left: -this.carouselElement.clientWidth,
+      behavior: 'smooth',
+    });
+  }
+
+  @action
+  scrollRight() {
+    if (!this.carouselElement) return;
+    this.carouselElement.scrollBy({
+      left: this.carouselElement.clientWidth,
+      behavior: 'smooth',
+    });
+  }
+
+  <template>
+    {{#if this.photos.length}}
+      <div class="place-photos-carousel-wrapper">
+        <div
+          class="place-photos-carousel-track"
+          {{this.setupCarousel}}
+          {{on "scroll" this.updateScrollState}}
+        >
+          {{#each this.photos as |photo|}}
+            {{! template-lint-disable no-inline-styles }}
+            <div class="carousel-slide" style={{photo.style}}>
+              {{#if photo.blurhash}}
+                <Blurhash
+                  @hash={{photo.blurhash}}
+                  @width={{32}}
+                  @height={{18}}
+                  class="place-header-photo-blur"
+                />
+              {{/if}}
+
+              {{#if photo.isLandscape}}
+                <picture>
+                  {{#if photo.thumbUrl}}
+                    <source
+                      media="(max-width: 768px)"
+                      srcset={{photo.thumbUrl}}
+                    />
+                  {{/if}}
+                  <img
+                    src={{photo.url}}
+                    class="place-header-photo landscape"
+                    alt={{@name}}
+                    {{fadeInImage photo.url}}
+                  />
+                </picture>
+              {{else}}
+                {{! Portrait uses thumb everywhere if available }}
+                <img
+                  src={{if photo.thumbUrl photo.thumbUrl photo.url}}
+                  class="place-header-photo portrait"
+                  alt={{@name}}
+                  {{fadeInImage (if photo.thumbUrl photo.thumbUrl photo.url)}}
+                />
+              {{/if}}
+            </div>
+          {{/each}}
+        </div>
+
+        {{#if this.showChevrons}}
+          <button
+            type="button"
+            class="carousel-nav-btn prev
+              {{if this.cannotScrollLeft 'disabled'}}"
+            {{on "click" this.scrollLeft}}
+            disabled={{this.cannotScrollLeft}}
+            aria-label="Previous photo"
+          >
+            <Icon @name="chevron-left" />
+          </button>
+
+          <button
+            type="button"
+            class="carousel-nav-btn next
+              {{if this.cannotScrollRight 'disabled'}}"
+            {{on "click" this.scrollRight}}
+            disabled={{this.cannotScrollRight}}
+            aria-label="Next photo"
+          >
+            <Icon @name="chevron-right" />
+          </button>
+        {{/if}}
+      </div>
+    {{/if}}
+  </template>
+}