feat(web): responsive date group header height (#17944)

* feat: responsive date group header height

* update tests

* feat(web): improve perf when changing mobile orientation (#17945)

fix: improve perf when changing mobile orientation

web/src/lib/components/photos-page/asset-date-group.svelte

@@ -131,7 +131,7 @@
   >
     <!-- Date group title -->
     <div
-      class="flex z-[100] pt-[calc(1.75rem+1px)] pb-5 h-6 place-items-center text-xs font-medium text-immich-fg bg-immich-bg dark:bg-immich-dark-bg dark:text-immich-dark-fg md:text-sm"
+      class="flex z-[100] pt-7 pb-5 max-md:pt-5 max-md:pb-3 h-6 place-items-center text-xs font-medium text-immich-fg bg-immich-bg dark:bg-immich-dark-bg dark:text-immich-dark-fg md:text-sm"
       style:width={dateGroup.width + 'px'}
     >
       {#if !singleSelect && ((hoveredDateGroup === dateGroup.groupTitle && isMouseOverGroup) || assetInteraction.selectedGroup.has(dateGroup.groupTitle))}

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

@@ -88,7 +88,16 @@
   const usingMobileDevice = $derived(mobileDevice.pointerCoarse);
 
   $effect(() => {
-    assetStore.rowHeight = maxMd ? 100 : 235;
+    const layoutOptions = maxMd
+      ? {
+          rowHeight: 100,
+          headerHeight: 32,
+        }
+      : {
+          rowHeight: 235,
+          headerHeight: 48,
+        };
+    assetStore.setLayoutOptions(layoutOptions);
   });
 
   const scrollTo = (top: number) => {

web/src/lib/components/photos-page/skeleton.svelte

@@ -9,7 +9,7 @@
 
 <div class="overflow-clip" style:height={height + 'px'}>
   <div
-    class="flex z-[100] pt-[calc(1.75rem+1px)] pb-5 h-6 place-items-center text-xs font-medium text-immich-fg bg-immich-bg dark:bg-immich-dark-bg dark:text-immich-dark-fg md:text-sm"
+    class="flex z-[100] pt-7 pb-5 h-6 place-items-center text-xs font-medium text-immich-fg bg-immich-bg dark:bg-immich-dark-bg dark:text-immich-dark-fg md:text-sm"
   >
     {title}
   </div>

web/src/lib/stores/assets-store.spec.ts

@@ -48,15 +48,15 @@ describe('AssetStore', () => {
 
       expect(plainBuckets).toEqual(
         expect.arrayContaining([
-          expect.objectContaining({ bucketDate: '2024-03-01T00:00:00.000Z', bucketHeight: 304 }),
+          expect.objectContaining({ bucketDate: '2024-03-01T00:00:00.000Z', bucketHeight: 303 }),
-          expect.objectContaining({ bucketDate: '2024-02-01T00:00:00.000Z', bucketHeight: 4515.333_333_333_333 }),
+          expect.objectContaining({ bucketDate: '2024-02-01T00:00:00.000Z', bucketHeight: 4514.333_333_333_333 }),
           expect.objectContaining({ bucketDate: '2024-01-01T00:00:00.000Z', bucketHeight: 286 }),
         ]),
       );
     });
 
     it('calculates timeline height', () => {
-      expect(assetStore.timelineHeight).toBe(5105.333_333_333_333);
+      expect(assetStore.timelineHeight).toBe(5103.333_333_333_333);
     });
   });
 

web/src/lib/stores/assets-store.svelte.ts

@@ -35,9 +35,7 @@ export type AssetStoreOptions = Omit<AssetApiGetTimeBucketsRequest, 'size'> & {
   timelineAlbumId?: string;
   deferInit?: boolean;
 };
-export type AssetStoreLayoutOptions = {
+
-  rowHeight: number;
-};
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 function updateObject(target: any, source: any): boolean {
   if (!target) {
@@ -110,7 +108,6 @@ export class AssetDateGroup {
   readonly date: DateTime;
   readonly dayOfMonth: number;
   intersetingAssets: IntersectingAsset[] = $state([]);
-  dodo: IntersectingAsset[] = $state([]);
 
   height = $state(0);
   width = $state(0);
@@ -121,6 +118,7 @@ export class AssetDateGroup {
   left: number = $state(0);
   row = $state(0);
   col = $state(0);
+  deferredLayout = false;
 
   constructor(bucket: AssetBucket, index: number, date: DateTime, dayOfMonth: number) {
     this.index = index;
@@ -195,6 +193,10 @@ export class AssetDateGroup {
   }
 
   layout(options: CommonLayoutOptions) {
+    if (!this.bucket.intersecting) {
+      this.deferredLayout = true;
+      return;
+    }
     const assets = this.intersetingAssets.map((intersetingAsset) => intersetingAsset.asset!);
     const geometry = getJustifiedLayoutFromAssets(assets, options);
     this.width = geometry.containerWidth;
@@ -547,6 +549,11 @@ export type LiteBucket = {
   bucketDateFormattted: string;
 };
 
+type AssetStoreLayoutOptions = {
+  rowHeight?: number;
+  headerHeight?: number;
+  gap?: number;
+};
 export class AssetStore {
   // --- public ----
   isInitialized = $state(false);
@@ -596,7 +603,7 @@ export class AssetStore {
   #unsubscribers: Unsubscriber[] = [];
 
   #rowHeight = $state(235);
-  #headerHeight = $state(49);
+  #headerHeight = $state(48);
   #gap = $state(12);
 
   #options: AssetStoreOptions = AssetStore.#INIT_OPTIONS;
@@ -608,36 +615,46 @@ export class AssetStore {
 
   constructor() {}
 
-  set headerHeight(value) {
+  setLayoutOptions({ headerHeight = 48, rowHeight = 235, gap = 12 }: AssetStoreLayoutOptions) {
+    let changed = false;
+    changed ||= this.#setHeaderHeight(headerHeight);
+    changed ||= this.#setGap(gap);
+    changed ||= this.#setRowHeight(rowHeight);
+    if (changed) {
+      this.refreshLayout();
+    }
+  }
+
+  #setHeaderHeight(value: number) {
     if (this.#headerHeight == value) {
-      return;
+      return false;
     }
     this.#headerHeight = value;
-    this.refreshLayout();
+    return true;
   }
 
   get headerHeight() {
     return this.#headerHeight;
   }
 
-  set gap(value) {
+  #setGap(value: number) {
     if (this.#gap == value) {
-      return;
+      return false;
     }
     this.#gap = value;
-    this.refreshLayout();
+    return true;
   }
 
   get gap() {
     return this.#gap;
   }
 
-  set rowHeight(value) {
+  #setRowHeight(value: number) {
     if (this.#rowHeight == value) {
-      return;
+      return false;
     }
     this.#rowHeight = value;
-    this.refreshLayout();
+    return true;
   }
 
   get rowHeight() {
@@ -815,6 +832,15 @@ export class AssetStore {
     }
     bucket.intersecting = actuallyIntersecting || preIntersecting;
     bucket.actuallyIntersecting = actuallyIntersecting;
+    if (preIntersecting || actuallyIntersecting) {
+      const hasDeferred = bucket.dateGroups.some((group) => group.deferredLayout);
+      if (hasDeferred) {
+        this.#updateGeometry(bucket, true);
+        for (const group of bucket.dateGroups) {
+          group.deferredLayout = false;
+        }
+      }
+    }
   }
 
   #processPendingChanges = throttle(() => {