TelegramPWA/src/components/right/hooks/useTransitionFixes.ts
2026-05-05 18:30:19 +02:00

41 lines
1.5 KiB
TypeScript

import type { ElementRef } from '../../../lib/teact/teact';
import { useEffect } from '../../../lib/teact/teact';
import { requestMeasure, requestMutation } from '../../../lib/fasterdom/fasterdom';
export default function useTransitionFixes(
containerRef: ElementRef<HTMLDivElement>,
transitionElSelector = '.Transition.shared-media-transition',
) {
// Set `min-height` for shared media container to prevent jumping when switching tabs
useEffect(() => {
function setMinHeight() {
requestMeasure(() => {
const container = containerRef.current;
if (!container) return;
const transitionEl = container.querySelector<HTMLDivElement>(transitionElSelector);
const tabsEl = container.querySelector<HTMLDivElement>('.shared-media-tabs');
const sharedMediaEl = transitionEl?.parentElement;
if (!transitionEl || !tabsEl) return;
const sharedMediaMargin = sharedMediaEl
? parseInt(getComputedStyle(sharedMediaEl).marginTop, 10) || 0 : 0;
const tabsMarginTop = parseInt(getComputedStyle(tabsEl).marginTop, 10) || 0;
const newHeight = container.clientHeight - tabsEl.offsetHeight - tabsMarginTop - sharedMediaMargin;
requestMutation(() => {
transitionEl.style.minHeight = `${newHeight}px`;
});
});
}
setMinHeight();
window.addEventListener('resize', setMinHeight, false);
return () => {
window.removeEventListener('resize', setMinHeight, false);
};
}, [containerRef, transitionElSelector]);
}