106 lines
3.7 KiB
TypeScript
106 lines
3.7 KiB
TypeScript
import React, { memo, useEffect, useRef } from '../../../lib/teact/teact';
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import { getActions, getGlobal } from '../../../global';
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import type { FC } from '../../../lib/teact/teact';
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import type { ApiStickerSet } from '../../../api/types';
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import type { ObserveFn } from '../../../hooks/useIntersectionObserver';
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import { STICKER_SIZE_PICKER_HEADER } from '../../../config';
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import { selectIsAlwaysHighPriorityEmoji } from '../../../global/selectors';
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import { IS_WEBM_SUPPORTED } from '../../../util/environment';
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import { getFirstLetters } from '../../../util/textFormat';
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import buildClassName from '../../../util/buildClassName';
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import { getStickerPreviewHash } from '../../../global/helpers';
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import { useIsIntersecting } from '../../../hooks/useIntersectionObserver';
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import useMedia from '../../../hooks/useMedia';
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import useMediaTransition from '../../../hooks/useMediaTransition';
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import useBoundsInSharedCanvas from '../../../hooks/useBoundsInSharedCanvas';
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import AnimatedSticker from '../../common/AnimatedSticker';
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import OptimizedVideo from '../../ui/OptimizedVideo';
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import styles from './StickerSetCover.module.scss';
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type OwnProps = {
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stickerSet: ApiStickerSet;
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size?: number;
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noAnimate?: boolean;
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observeIntersection: ObserveFn;
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sharedCanvasRef?: React.RefObject<HTMLCanvasElement>;
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};
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const StickerSetCover: FC<OwnProps> = ({
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stickerSet,
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size = STICKER_SIZE_PICKER_HEADER,
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noAnimate,
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observeIntersection,
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sharedCanvasRef,
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}) => {
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const { loadStickers } = getActions();
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// eslint-disable-next-line no-null/no-null
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const containerRef = useRef<HTMLDivElement>(null);
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const { hasThumbnail, isLottie, isVideos: isVideo } = stickerSet;
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const isIntersecting = useIsIntersecting(containerRef, observeIntersection);
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const shouldFallbackToStatic = stickerSet.stickers && isVideo && !IS_WEBM_SUPPORTED;
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const staticHash = shouldFallbackToStatic && getStickerPreviewHash(stickerSet.stickers![0].id);
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const staticMediaData = useMedia(staticHash, !isIntersecting);
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const mediaHash = ((hasThumbnail && !shouldFallbackToStatic) || isLottie) && `stickerSet${stickerSet.id}`;
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const mediaData = useMedia(mediaHash, !isIntersecting);
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const isReady = mediaData || staticMediaData;
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const transitionClassNames = useMediaTransition(isReady);
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const bounds = useBoundsInSharedCanvas(containerRef, sharedCanvasRef);
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useEffect(() => {
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if (isIntersecting && !stickerSet.stickers?.length) {
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loadStickers({
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stickerSetInfo: {
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id: stickerSet.id,
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accessHash: stickerSet.accessHash,
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},
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});
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}
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}, [isIntersecting, loadStickers, stickerSet]);
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return (
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<div ref={containerRef} className="sticker-set-cover">
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{isReady ? (
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isLottie ? (
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<AnimatedSticker
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className={transitionClassNames}
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tgsUrl={mediaData}
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size={size || bounds.size}
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play={isIntersecting && !noAnimate}
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isLowPriority={!selectIsAlwaysHighPriorityEmoji(getGlobal(), stickerSet)}
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sharedCanvas={sharedCanvasRef?.current || undefined}
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sharedCanvasCoords={bounds.coords}
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/>
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) : (isVideo && !shouldFallbackToStatic) ? (
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<OptimizedVideo
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className={buildClassName(styles.video, transitionClassNames)}
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src={mediaData}
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canPlay={isIntersecting && !noAnimate}
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loop
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disablePictureInPicture
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/>
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) : (
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<img
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src={mediaData || staticMediaData}
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className={transitionClassNames}
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alt=""
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/>
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)
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) : (
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getFirstLetters(stickerSet.title, 2)
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)}
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</div>
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);
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};
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export default memo(StickerSetCover);
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