59 lines
2.0 KiB
TypeScript
59 lines
2.0 KiB
TypeScript
import React, { memo, useCallback } from '../../lib/teact/teact';
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import type { OwnProps as AnimatedIconProps } from './AnimatedIcon';
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import buildClassName from '../../util/buildClassName';
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import useMediaTransition from '../../hooks/useMediaTransition';
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import AnimatedIcon from './AnimatedIcon';
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import styles from './AnimatedIconWithPreview.module.scss';
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import useFlag from '../../hooks/useFlag';
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import buildStyle from '../../util/buildStyle';
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type OwnProps =
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Partial<AnimatedIconProps>
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& { previewUrl?: string; thumbDataUri?: string; noPreviewTransition?: boolean };
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const loadedPreviewUrls = new Set();
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function AnimatedIconWithPreview(props: OwnProps) {
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const {
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previewUrl, thumbDataUri, noPreviewTransition, className, ...otherProps
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} = props;
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const [isPreviewLoaded, markPreviewLoaded] = useFlag(loadedPreviewUrls.has(previewUrl));
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const previewClassNames = useMediaTransition(noPreviewTransition || isPreviewLoaded);
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const [isAnimationReady, markAnimationReady] = useFlag(false);
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const handlePreviewLoad = useCallback(() => {
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markPreviewLoaded();
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loadedPreviewUrls.add(previewUrl);
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}, [markPreviewLoaded, previewUrl]);
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const { size } = props;
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return (
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<div
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className={buildClassName(className, styles.root)}
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style={buildStyle(size !== undefined && `width: ${size}px; height: ${size}px;`)}
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>
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{!isAnimationReady && thumbDataUri && (
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// eslint-disable-next-line jsx-a11y/alt-text
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<img src={thumbDataUri} className={buildClassName(styles.preview)} />
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)}
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{!isAnimationReady && previewUrl && (
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// eslint-disable-next-line jsx-a11y/alt-text
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<img
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src={previewUrl}
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className={buildClassName(styles.preview, previewClassNames)}
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onLoad={handlePreviewLoad}
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/>
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)}
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{/* eslint-disable-next-line react/jsx-props-no-spreading */}
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<AnimatedIcon {...otherProps} onLoad={markAnimationReady} noTransition />
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</div>
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);
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}
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export default memo(AnimatedIconWithPreview);
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