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useTouchRipple.js
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Fri, Apr 25, 17:57

useTouchRipple.js
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import * as React from 'react';
import { useEventCallback } from '../utils';
const useTouchRipple = props => {
const {
disabled,
disableFocusRipple,
disableRipple,
disableTouchRipple,
focusVisible,
rippleRef
} = props;
React.useEffect(() => {
if (focusVisible && !disableFocusRipple && !disableRipple) {
var _rippleRef$current;
(_rippleRef$current = rippleRef.current) == null ? void 0 : _rippleRef$current.pulsate();
}
}, [rippleRef, focusVisible, disableFocusRipple, disableRipple]);
function useRippleHandler(rippleAction, skipRippleAction = disableTouchRipple) {
return useEventCallback(event => {
if (!skipRippleAction && rippleRef.current) {
rippleRef.current[rippleAction](event);
}
return true;
});
}
const keydownRef = React.useRef(false);
const handleKeyDown = useEventCallback(event => {
if (!disableFocusRipple && !keydownRef.current && focusVisible && rippleRef.current && event.key === ' ') {
keydownRef.current = true;
rippleRef.current.stop(event, () => {
var _rippleRef$current2;
rippleRef == null ? void 0 : (_rippleRef$current2 = rippleRef.current) == null ? void 0 : _rippleRef$current2.start(event);
});
}
});
const handleKeyUp = useEventCallback(event => {
// calling preventDefault in keyUp on a <button> will not dispatch a click event if Space is pressed
// https://codesandbox.io/s/button-keyup-preventdefault-dn7f0
if (!disableFocusRipple && event.key === ' ' && rippleRef.current && focusVisible && !event.defaultPrevented) {
keydownRef.current = false;
rippleRef.current.stop(event, () => {
var _rippleRef$current3;
rippleRef == null ? void 0 : (_rippleRef$current3 = rippleRef.current) == null ? void 0 : _rippleRef$current3.pulsate(event);
});
}
});
const handleBlur = useRippleHandler('stop', false);
const handleMouseDown = useRippleHandler('start');
const handleContextMenu = useRippleHandler('stop');
const handleDragLeave = useRippleHandler('stop');
const handleMouseUp = useRippleHandler('stop');
const handleMouseLeave = useRippleHandler('stop');
const handleTouchStart = useRippleHandler('start');
const handleTouchEnd = useRippleHandler('stop');
const handleTouchMove = useRippleHandler('stop');
const [mountedState, setMountedState] = React.useState(false);
React.useEffect(() => {
setMountedState(true);
}, []);
const enableTouchRipple = mountedState && !disableRipple && !disabled;
const getRippleHandlers = React.useMemo(() => {
const rippleHandlers = {
onBlur: handleBlur,
onKeyDown: handleKeyDown,
onKeyUp: handleKeyUp,
onMouseDown: handleMouseDown,
onMouseUp: handleMouseUp,
onMouseLeave: handleMouseLeave,
onContextMenu: handleContextMenu,
onDragLeave: handleDragLeave,
onTouchStart: handleTouchStart,
onTouchEnd: handleTouchEnd,
onTouchMove: handleTouchMove
};
return (otherEvents = {}) => {
const eventNames = Object.keys(rippleHandlers);
const wrappedEvents = eventNames.map(eventName => ({
name: eventName,
handler: ev => {
var _otherEvents$eventNam;
(_otherEvents$eventNam = otherEvents[eventName]) == null ? void 0 : _otherEvents$eventNam.call(otherEvents, ev);
rippleHandlers[eventName](ev);
}
}));
return wrappedEvents.reduce((acc, current) => {
acc[current.name] = current.handler;
return acc;
}, {});
};
}, [handleBlur, handleKeyDown, handleKeyUp, handleMouseDown, handleMouseUp, handleMouseLeave, handleContextMenu, handleDragLeave, handleTouchStart, handleTouchEnd, handleTouchMove]);
return {
enableTouchRipple,
getRippleHandlers
};
};
export default useTouchRipple;

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