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Merged PR 2067: fix(ui-layout): Ipad Dropdown Scrolling Fix

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fix(ui-layout): Ipad Dropdown Scrolling Fix
This commit is contained in:
Nino Righi
2025-12-03 14:16:21 +00:00
committed by Lorenz Hilpert
parent aa57d27924
commit d5324675ef
2 changed files with 10 additions and 4 deletions
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3
.gitignore vendored
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@@ -80,3 +80,6 @@ CLAUDE.md
*.pyc
.vite
reports/
# Local iPad dev setup (proxy)
/local-dev/

11
libs/ui/layout/src/lib/close-on-scroll.directive.ts
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@@ -84,8 +84,11 @@ export class CloseOnScrollDirective implements OnDestroy {
}
this.#isActive = true;
// Delay listener registration to next frame to skip any stale scroll events
this.#pendingActivation = requestAnimationFrame(() => {
// Delay listener registration to skip scroll events caused by:
// 1. Stale scroll events from before activation
// 2. iOS Safari's automatic "scroll into view" when focusing elements
// Using setTimeout with 100ms to ensure iOS scroll-into-view completes
this.#pendingActivation = window.setTimeout(() => {
this.#scrollListener = (event: Event) => {
const excludeElement = this.closeOnScrollExclude();
if (excludeElement?.contains(event.target as HTMLElement)) {
@@ -101,12 +104,12 @@ export class CloseOnScrollDirective implements OnDestroy {
{ capture: true, passive: true },
);
this.#logger.debug('Activated scroll listener');
});
}, 100);
}
#deactivate(): void {
if (this.#pendingActivation) {
cancelAnimationFrame(this.#pendingActivation);
clearTimeout(this.#pendingActivation);
this.#pendingActivation = undefined;
}