immich/web/src/lib/components/photos-page/asset-grid.svelte

351 lines
11 KiB
Svelte

<script lang="ts">
import { BucketPosition } from '$lib/models/asset-grid-state';
import {
assetInteractionStore,
assetSelectionCandidates,
assetSelectionStart,
isMultiSelectStoreState,
isViewingAssetStoreState,
selectedAssets,
viewingAssetStoreState,
} from '$lib/stores/asset-interaction.store';
import { assetGridState, assetStore, loadingBucketState } from '$lib/stores/assets.store';
import { locale } from '$lib/stores/preferences.store';
import { formatGroupTitle, splitBucketIntoDateGroups } from '$lib/utils/timeline-util';
import type { UserResponseDto } from '@api';
import { api, AssetCountByTimeBucketResponseDto, AssetResponseDto, TimeGroupEnum } from '@api';
import { DateTime } from 'luxon';
import { onDestroy, onMount } from 'svelte';
import AssetViewer from '../asset-viewer/asset-viewer.svelte';
import IntersectionObserver from '../asset-viewer/intersection-observer.svelte';
import Portal from '../shared-components/portal/portal.svelte';
import Scrollbar, {
OnScrollbarClickDetail,
OnScrollbarDragDetail,
} from '../shared-components/scrollbar/scrollbar.svelte';
import AssetDateGroup from './asset-date-group.svelte';
import MemoryLane from './memory-lane.svelte';
import { AppRoute } from '$lib/constants';
import { goto } from '$app/navigation';
import { browser } from '$app/environment';
export let user: UserResponseDto | undefined = undefined;
export let isAlbumSelectionMode = false;
export let showMemoryLane = false;
let viewportHeight = 0;
let viewportWidth = 0;
let assetGridElement: HTMLElement;
let bucketInfo: AssetCountByTimeBucketResponseDto;
const onKeyboardPress = (event: KeyboardEvent) => handleKeyboardPress(event);
onMount(async () => {
document.addEventListener('keydown', onKeyboardPress);
const { data: assetCountByTimebucket } = await api.assetApi.getAssetCountByTimeBucket({
getAssetCountByTimeBucketDto: {
timeGroup: TimeGroupEnum.Month,
userId: user?.id,
withoutThumbs: true,
},
});
bucketInfo = assetCountByTimebucket;
assetStore.setInitialState(viewportHeight, viewportWidth, assetCountByTimebucket, user?.id);
// Get asset bucket if bucket height is smaller than viewport height
let bucketsToFetchInitially: string[] = [];
let initialBucketsHeight = 0;
$assetGridState.buckets.every((bucket) => {
if (initialBucketsHeight < viewportHeight) {
initialBucketsHeight += bucket.bucketHeight;
bucketsToFetchInitially.push(bucket.bucketDate);
return true;
} else {
return false;
}
});
bucketsToFetchInitially.forEach((bucketDate) => {
assetStore.getAssetsByBucket(bucketDate, BucketPosition.Visible);
});
});
onDestroy(() => {
if (browser) document.removeEventListener('keydown', handleKeyboardPress);
assetStore.setInitialState(0, 0, { totalCount: 0, buckets: [] }, undefined);
});
const handleKeyboardPress = (event: KeyboardEvent) => {
if (event.key === '/') event.preventDefault();
if (!$isViewingAssetStoreState) {
switch (event.key) {
case '/':
goto(AppRoute.EXPLORE);
return;
}
}
};
function intersectedHandler(event: CustomEvent) {
const el = event.detail.container as HTMLElement;
const target = el.firstChild as HTMLElement;
if (target) {
const bucketDate = target.id.split('_')[1];
assetStore.getAssetsByBucket(bucketDate, event.detail.position);
}
}
function handleScrollTimeline(event: CustomEvent) {
assetGridElement.scrollBy(0, event.detail.heightDelta);
}
const navigateToPreviousAsset = () => {
assetInteractionStore.navigateAsset('previous');
};
const navigateToNextAsset = () => {
assetInteractionStore.navigateAsset('next');
};
let lastScrollPosition = 0;
let animationTick = false;
const handleTimelineScroll = () => {
if (!animationTick) {
window.requestAnimationFrame(() => {
lastScrollPosition = assetGridElement?.scrollTop;
animationTick = false;
});
animationTick = true;
}
};
const handleScrollbarClick = (e: OnScrollbarClickDetail) => {
assetGridElement.scrollTop = e.scrollTo;
};
const handleScrollbarDrag = (e: OnScrollbarDragDetail) => {
assetGridElement.scrollTop = e.scrollTo;
};
const handleArchiveSuccess = (e: CustomEvent) => {
const asset = e.detail as AssetResponseDto;
navigateToNextAsset();
assetStore.removeAsset(asset.id);
};
let lastAssetMouseEvent: AssetResponseDto | null = null;
$: if (!lastAssetMouseEvent) {
assetInteractionStore.clearAssetSelectionCandidates();
}
let shiftKeyIsDown = false;
const onKeyDown = (e: KeyboardEvent) => {
if (e.shiftKey && e.key !== '/') {
e.preventDefault();
shiftKeyIsDown = true;
}
};
const onKeyUp = (e: KeyboardEvent) => {
if (e.shiftKey && e.key !== '/') {
e.preventDefault();
shiftKeyIsDown = false;
}
};
$: if (!shiftKeyIsDown) {
assetInteractionStore.clearAssetSelectionCandidates();
}
$: if (shiftKeyIsDown && lastAssetMouseEvent) {
selectAssetCandidates(lastAssetMouseEvent);
}
const handleSelectAssetCandidates = (e: CustomEvent) => {
const asset = e.detail.asset;
if (asset) {
selectAssetCandidates(asset);
}
lastAssetMouseEvent = asset;
};
const handleSelectAssets = async (e: CustomEvent) => {
const asset = e.detail.asset;
if (!asset) {
return;
}
const rangeSelection = $assetSelectionCandidates.size > 0;
const deselect = $selectedAssets.has(asset);
// Select/deselect already loaded assets
if (deselect) {
for (const candidate of $assetSelectionCandidates || []) {
assetInteractionStore.removeAssetFromMultiselectGroup(candidate);
}
assetInteractionStore.removeAssetFromMultiselectGroup(asset);
} else {
for (const candidate of $assetSelectionCandidates || []) {
assetInteractionStore.addAssetToMultiselectGroup(candidate);
}
assetInteractionStore.addAssetToMultiselectGroup(asset);
}
assetInteractionStore.clearAssetSelectionCandidates();
if ($assetSelectionStart && rangeSelection) {
let startBucketIndex = $assetGridState.loadedAssets[$assetSelectionStart.id];
let endBucketIndex = $assetGridState.loadedAssets[asset.id];
if (endBucketIndex < startBucketIndex) {
[startBucketIndex, endBucketIndex] = [endBucketIndex, startBucketIndex];
}
// Select/deselect assets in all intermediate buckets
for (let bucketIndex = startBucketIndex + 1; bucketIndex < endBucketIndex; bucketIndex++) {
const bucket = $assetGridState.buckets[bucketIndex];
await assetStore.getAssetsByBucket(bucket.bucketDate, BucketPosition.Unknown);
for (const asset of bucket.assets) {
if (deselect) {
assetInteractionStore.removeAssetFromMultiselectGroup(asset);
} else {
assetInteractionStore.addAssetToMultiselectGroup(asset);
}
}
}
// Update date group selection
for (let bucketIndex = startBucketIndex; bucketIndex <= endBucketIndex; bucketIndex++) {
const bucket = $assetGridState.buckets[bucketIndex];
// Split bucket into date groups and check each group
const assetsGroupByDate = splitBucketIntoDateGroups(bucket.assets, $locale);
for (const dateGroup of assetsGroupByDate) {
const dateGroupTitle = formatGroupTitle(DateTime.fromISO(dateGroup[0].fileCreatedAt).startOf('day'));
if (dateGroup.every((a) => $selectedAssets.has(a))) {
assetInteractionStore.addGroupToMultiselectGroup(dateGroupTitle);
} else {
assetInteractionStore.removeGroupFromMultiselectGroup(dateGroupTitle);
}
}
}
}
assetInteractionStore.setAssetSelectionStart(deselect ? null : asset);
};
const selectAssetCandidates = (asset: AssetResponseDto) => {
if (!shiftKeyIsDown) {
return;
}
const rangeStart = $assetSelectionStart;
if (!rangeStart) {
return;
}
let start = $assetGridState.assets.indexOf(rangeStart);
let end = $assetGridState.assets.indexOf(asset);
if (start > end) {
[start, end] = [end, start];
}
assetInteractionStore.setAssetSelectionCandidates($assetGridState.assets.slice(start, end + 1));
};
const onSelectStart = (e: Event) => {
if ($isMultiSelectStoreState && shiftKeyIsDown) {
e.preventDefault();
}
};
</script>
<svelte:window on:keydown={onKeyDown} on:keyup={onKeyUp} on:selectstart={onSelectStart} />
{#if bucketInfo && viewportHeight && $assetGridState.timelineHeight > viewportHeight}
<Scrollbar
scrollbarHeight={viewportHeight}
scrollTop={lastScrollPosition}
on:onscrollbarclick={(e) => handleScrollbarClick(e.detail)}
on:onscrollbardrag={(e) => handleScrollbarDrag(e.detail)}
/>
{/if}
<!-- Right margin MUST be equal to the width of immich-scrubbable-scrollbar -->
<section
id="asset-grid"
class="scrollbar-hidden mb-4 ml-4 mr-[60px] overflow-y-auto"
bind:clientHeight={viewportHeight}
bind:clientWidth={viewportWidth}
bind:this={assetGridElement}
on:scroll={handleTimelineScroll}
>
{#if assetGridElement}
{#if showMemoryLane}
<MemoryLane />
{/if}
<section id="virtual-timeline" style:height={$assetGridState.timelineHeight + 'px'}>
{#each $assetGridState.buckets as bucket, bucketIndex (bucketIndex)}
<IntersectionObserver
on:intersected={intersectedHandler}
on:hidden={async () => {
// If bucket is hidden and in loading state, cancel the request
if ($loadingBucketState[bucket.bucketDate]) {
await assetStore.cancelBucketRequest(bucket.cancelToken, bucket.bucketDate);
}
}}
let:intersecting
top={750}
bottom={750}
root={assetGridElement}
>
<div id={'bucket_' + bucket.bucketDate} style:height={bucket.bucketHeight + 'px'}>
{#if intersecting}
<AssetDateGroup
{isAlbumSelectionMode}
on:shift={handleScrollTimeline}
on:selectAssetCandidates={handleSelectAssetCandidates}
on:selectAssets={handleSelectAssets}
assets={bucket.assets}
bucketDate={bucket.bucketDate}
bucketHeight={bucket.bucketHeight}
{viewportWidth}
/>
{/if}
</div>
</IntersectionObserver>
{/each}
</section>
{/if}
</section>
<Portal target="body">
{#if $isViewingAssetStoreState}
<AssetViewer
asset={$viewingAssetStoreState}
on:navigate-previous={navigateToPreviousAsset}
on:navigate-next={navigateToNextAsset}
on:close={() => {
assetInteractionStore.setIsViewingAsset(false);
}}
on:archived={handleArchiveSuccess}
/>
{/if}
</Portal>
<style>
#asset-grid {
contain: layout;
scrollbar-width: none;
}
</style>