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immich/web/src/lib/components/memory-page/memory-viewer.svelte

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Svelte

<script lang="ts">
import { memoryStore } from '$lib/stores/memory.store';
import { DateTime } from 'luxon';
import { onDestroy, onMount } from 'svelte';
import { api } from '@api';
import { goto } from '$app/navigation';
import ControlAppBar from '$lib/components/shared-components/control-app-bar.svelte';
import Play from 'svelte-material-icons/Play.svelte';
import Pause from 'svelte-material-icons/Pause.svelte';
import ChevronDown from 'svelte-material-icons/ChevronDown.svelte';
import ChevronUp from 'svelte-material-icons/ChevronUp.svelte';
import ChevronLeft from 'svelte-material-icons/ChevronLeft.svelte';
import ChevronRight from 'svelte-material-icons/ChevronRight.svelte';
import { AppRoute } from '$lib/constants';
import { page } from '$app/stores';
import noThumbnailUrl from '$lib/assets/no-thumbnail.png';
import GalleryViewer from '$lib/components/shared-components/gallery-viewer/gallery-viewer.svelte';
import CircleIconButton from '$lib/components/elements/buttons/circle-icon-button.svelte';
import IntersectionObserver from '$lib/components/asset-viewer/intersection-observer.svelte';
import { fade } from 'svelte/transition';
import { tweened } from 'svelte/motion';
const parseIndex = (s: string | null, max: number | null) =>
Math.max(Math.min(parseInt(s ?? '') || 0, max ?? 0), 0);
$: memoryIndex = parseIndex($page.url.searchParams.get('memory'), $memoryStore?.length - 1);
$: assetIndex = parseIndex($page.url.searchParams.get('asset'), currentMemory?.assets.length - 1);
$: previousMemory = $memoryStore?.[memoryIndex - 1];
$: currentMemory = $memoryStore?.[memoryIndex];
$: nextMemory = $memoryStore?.[memoryIndex + 1];
$: previousAsset = currentMemory?.assets[assetIndex - 1];
$: currentAsset = currentMemory?.assets[assetIndex];
$: nextAsset = currentMemory?.assets[assetIndex + 1];
$: canAdvance = !!(nextMemory || nextAsset);
const toNextMemory = () => goto(`?memory=${memoryIndex + 1}`);
const toPreviousMemory = () => goto(`?memory=${memoryIndex - 1}`);
const toNextAsset = () => goto(`?memory=${memoryIndex}&asset=${assetIndex + 1}`);
const toPreviousAsset = () => goto(`?memory=${memoryIndex}&asset=${assetIndex - 1}`);
const toNext = () => (nextAsset ? toNextAsset() : toNextMemory());
const toPrevious = () => (previousAsset ? toPreviousAsset() : toPreviousMemory());
const progress = tweened<number>(0, {
duration: (from: number, to: number) => (to ? 5000 * (to - from) : 0)
});
const play = () => progress.set(1);
const pause = () => progress.set($progress);
let resetPromise = Promise.resolve();
const reset = () => (resetPromise = progress.set(0));
let paused = false;
// Play or pause progress when the paused state changes.
$: paused ? pause() : play();
// Progress should be paused when it's no longer possible to advance.
$: paused ||= !canAdvance;
// Advance to the next asset or memory when progress is complete.
$: $progress === 1 && toNext();
// Progress should be resumed when reset and not paused.
$: !$progress && !paused && play();
// Progress should be reset when the current memory or asset changes.
$: memoryIndex, assetIndex, reset();
onDestroy(() => pause());
onMount(async () => {
if (!$memoryStore) {
const { data } = await api.assetApi.getMemoryLane({
timestamp: DateTime.local().startOf('day').toISO() || ''
});
$memoryStore = data;
}
});
let memoryGallery: HTMLElement;
let memoryWrapper: HTMLElement;
let galleryInView = false;
</script>
<section id="memory-viewer" class="w-full bg-immich-dark-gray" bind:this={memoryWrapper}>
{#if currentMemory}
<ControlAppBar on:close-button-click={() => goto(AppRoute.PHOTOS)} forceDark>
<svelte:fragment slot="leading">
<p class="text-lg">
{currentMemory.title}
</p>
</svelte:fragment>
{#if !galleryInView}
<div class="flex place-items-center place-content-center overflow-hidden gap-2">
<CircleIconButton
logo={paused ? Play : Pause}
forceDark
on:click={() => (paused = !paused)}
/>
{#each currentMemory.assets as _, i}
<button
class="relative w-full"
on:click={() => goto(`?memory=${memoryIndex}&asset=${i}`)}
>
<span class="absolute left-0 w-full h-[2px] bg-gray-500" />
{#await resetPromise}
<span
class="absolute left-0 h-[2px] bg-white"
style:width={`${i < assetIndex ? 100 : 0}%`}
/>
{:then}
<span
class="absolute left-0 h-[2px] bg-white"
style:width={`${i < assetIndex ? 100 : i > assetIndex ? 0 : $progress * 100}%`}
/>
{/await}
</button>
{/each}
<div>
<p class="text-small">
{assetIndex + 1}/{currentMemory.assets.length}
</p>
</div>
</div>
{/if}
</ControlAppBar>
{#if galleryInView}
<div
class="sticky top-20 flex place-content-center place-items-center z-30 transition-opacity"
class:opacity-0={!galleryInView}
class:opacity-100={galleryInView}
>
<button
on:click={() => memoryWrapper.scrollIntoView({ behavior: 'smooth' })}
disabled={!galleryInView}
>
<CircleIconButton logo={ChevronUp} backgroundColor="white" forceDark />
</button>
</div>
{/if}
<!-- Viewer -->
<section class="pt-20 overflow-hidden">
<div
class="flex w-[300%] h-[calc(100vh_-_180px)] items-center justify-center box-border ml-[-100%] gap-10 overflow-hidden"
>
<!-- PREVIOUS MEMORY -->
<div
class="rounded-2xl w-[20vw] h-1/2"
class:opacity-25={previousMemory}
class:opacity-0={!previousMemory}
class:hover:opacity-70={previousMemory}
>
<button
class="rounded-2xl h-full w-full relative"
disabled={!previousMemory}
on:click={toPreviousMemory}
>
<img
class="rounded-2xl h-full w-full object-cover"
src={previousMemory
? api.getAssetThumbnailUrl(previousMemory.assets[0].id, 'JPEG')
: noThumbnailUrl}
alt=""
draggable="false"
/>
{#if previousMemory}
<div class="absolute right-4 bottom-4 text-white text-left">
<p class="font-semibold text-xs text-gray-200">PREVIOUS</p>
<p class="text-xl">{previousMemory.title}</p>
</div>
{/if}
</button>
</div>
<!-- CURRENT MEMORY -->
<div
class="main-view rounded-2xl h-full relative w-[70vw] bg-black flex place-items-center place-content-center"
>
<div class="bg-black w-full h-full rounded-2xl">
<!-- CONTROL BUTTONS -->
<div class="absolute h-full flex justify-between w-full">
<div class="flex h-full flex-col place-content-center place-items-center ml-4">
<div class="inline-block">
{#if previousMemory || previousAsset}
<CircleIconButton
logo={ChevronLeft}
backgroundColor="#202123"
on:click={toPrevious}
/>
{/if}
</div>
</div>
<div class="flex h-full flex-col place-content-center place-items-center mr-4">
<div class="inline-block">
{#if canAdvance}
<CircleIconButton
logo={ChevronRight}
backgroundColor="#202123"
on:click={toNext}
/>
{/if}
</div>
</div>
</div>
{#key currentAsset.id}
<img
transition:fade|local
class="rounded-2xl w-full h-full object-contain transition-all"
src={api.getAssetThumbnailUrl(currentAsset.id, 'JPEG')}
alt=""
draggable="false"
/>
{/key}
<div class="absolute top-4 left-8 text-white text-sm font-medium">
<p>
{DateTime.fromISO(currentMemory.assets[0].fileCreatedAt).toLocaleString(
DateTime.DATE_FULL
)}
</p>
<p>
{currentAsset.exifInfo?.city || ''}
{currentAsset.exifInfo?.country || ''}
</p>
</div>
</div>
</div>
<!-- NEXT MEMORY -->
<div
class="rounded-xl w-[20vw] h-1/2"
class:opacity-25={nextMemory}
class:opacity-0={!nextMemory}
class:hover:opacity-70={nextMemory}
>
<button
class="rounded-2xl h-full w-full relative"
on:click={toNextMemory}
disabled={!nextMemory}
>
<img
class="rounded-2xl h-full w-full object-cover"
src={nextMemory
? api.getAssetThumbnailUrl(nextMemory.assets[0].id, 'JPEG')
: noThumbnailUrl}
alt=""
draggable="false"
/>
{#if nextMemory}
<div class="absolute left-4 bottom-4 text-white text-left">
<p class="font-semibold text-xs text-gray-200">UP NEXT</p>
<p class="text-xl">{nextMemory.title}</p>
</div>
{/if}
</button>
</div>
</div>
</section>
<!-- GALERY VIEWER -->
<section class="bg-immich-dark-gray pl-4">
<div
class="sticky flex place-content-center place-items-center mb-10 mt-4 transition-all"
class:opacity-0={galleryInView}
class:opacity-100={!galleryInView}
>
<button on:click={() => memoryGallery.scrollIntoView({ behavior: 'smooth' })}>
<CircleIconButton logo={ChevronDown} backgroundColor="white" forceDark />
</button>
</div>
<IntersectionObserver
once={false}
on:intersected={() => (galleryInView = true)}
on:hidden={() => (galleryInView = false)}
bottom={-200}
>
<div id="gallery-memory" bind:this={memoryGallery}>
<GalleryViewer assets={currentMemory.assets} viewFrom="album-page" />
</div>
</IntersectionObserver>
</section>
{/if}
</section>
<style>
.main-view {
box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.3), 0 8px 12px 6px rgba(0, 0, 0, 0.15);
}
</style>