@react-aria/interactions
Version:
Spectrum UI components in React
138 lines (133 loc) • 6.52 kB
JavaScript
import {useState as $AWxnT$useState, useRef as $AWxnT$useRef, useEffect as $AWxnT$useEffect, useMemo as $AWxnT$useMemo} from "react";
/*
* Copyright 2020 Adobe. All rights reserved.
* This file is licensed to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
* OF ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/ // Portions of the code in this file are based on code from react.
// Original licensing for the following can be found in the
// NOTICE file in the root directory of this source tree.
// See https://github.com/facebook/react/tree/cc7c1aece46a6b69b41958d731e0fd27c94bfc6c/packages/react-interactions
// iOS fires onPointerEnter twice: once with pointerType="touch" and again with pointerType="mouse".
// We want to ignore these emulated events so they do not trigger hover behavior.
// See https://bugs.webkit.org/show_bug.cgi?id=214609.
let $6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents = false;
let $6179b936705e76d3$var$hoverCount = 0;
function $6179b936705e76d3$var$setGlobalIgnoreEmulatedMouseEvents() {
$6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents = true;
// Clear globalIgnoreEmulatedMouseEvents after a short timeout. iOS fires onPointerEnter
// with pointerType="mouse" immediately after onPointerUp and before onFocus. On other
// devices that don't have this quirk, we don't want to ignore a mouse hover sometime in
// the distant future because a user previously touched the element.
setTimeout(()=>{
$6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents = false;
}, 50);
}
function $6179b936705e76d3$var$handleGlobalPointerEvent(e) {
if (e.pointerType === 'touch') $6179b936705e76d3$var$setGlobalIgnoreEmulatedMouseEvents();
}
function $6179b936705e76d3$var$setupGlobalTouchEvents() {
if (typeof document === 'undefined') return;
if (typeof PointerEvent !== 'undefined') document.addEventListener('pointerup', $6179b936705e76d3$var$handleGlobalPointerEvent);
else document.addEventListener('touchend', $6179b936705e76d3$var$setGlobalIgnoreEmulatedMouseEvents);
$6179b936705e76d3$var$hoverCount++;
return ()=>{
$6179b936705e76d3$var$hoverCount--;
if ($6179b936705e76d3$var$hoverCount > 0) return;
if (typeof PointerEvent !== 'undefined') document.removeEventListener('pointerup', $6179b936705e76d3$var$handleGlobalPointerEvent);
else document.removeEventListener('touchend', $6179b936705e76d3$var$setGlobalIgnoreEmulatedMouseEvents);
};
}
function $6179b936705e76d3$export$ae780daf29e6d456(props) {
let { onHoverStart: onHoverStart, onHoverChange: onHoverChange, onHoverEnd: onHoverEnd, isDisabled: isDisabled } = props;
let [isHovered, setHovered] = (0, $AWxnT$useState)(false);
let state = (0, $AWxnT$useRef)({
isHovered: false,
ignoreEmulatedMouseEvents: false,
pointerType: '',
target: null
}).current;
(0, $AWxnT$useEffect)($6179b936705e76d3$var$setupGlobalTouchEvents, []);
let { hoverProps: hoverProps, triggerHoverEnd: triggerHoverEnd } = (0, $AWxnT$useMemo)(()=>{
let triggerHoverStart = (event, pointerType)=>{
state.pointerType = pointerType;
if (isDisabled || pointerType === 'touch' || state.isHovered || !event.currentTarget.contains(event.target)) return;
state.isHovered = true;
let target = event.currentTarget;
state.target = target;
if (onHoverStart) onHoverStart({
type: 'hoverstart',
target: target,
pointerType: pointerType
});
if (onHoverChange) onHoverChange(true);
setHovered(true);
};
let triggerHoverEnd = (event, pointerType)=>{
state.pointerType = '';
state.target = null;
if (pointerType === 'touch' || !state.isHovered) return;
state.isHovered = false;
let target = event.currentTarget;
if (onHoverEnd) onHoverEnd({
type: 'hoverend',
target: target,
pointerType: pointerType
});
if (onHoverChange) onHoverChange(false);
setHovered(false);
};
let hoverProps = {};
if (typeof PointerEvent !== 'undefined') {
hoverProps.onPointerEnter = (e)=>{
if ($6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents && e.pointerType === 'mouse') return;
triggerHoverStart(e, e.pointerType);
};
hoverProps.onPointerLeave = (e)=>{
if (!isDisabled && e.currentTarget.contains(e.target)) triggerHoverEnd(e, e.pointerType);
};
} else {
hoverProps.onTouchStart = ()=>{
state.ignoreEmulatedMouseEvents = true;
};
hoverProps.onMouseEnter = (e)=>{
if (!state.ignoreEmulatedMouseEvents && !$6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents) triggerHoverStart(e, 'mouse');
state.ignoreEmulatedMouseEvents = false;
};
hoverProps.onMouseLeave = (e)=>{
if (!isDisabled && e.currentTarget.contains(e.target)) triggerHoverEnd(e, 'mouse');
};
}
return {
hoverProps: hoverProps,
triggerHoverEnd: triggerHoverEnd
};
}, [
onHoverStart,
onHoverChange,
onHoverEnd,
isDisabled,
state
]);
(0, $AWxnT$useEffect)(()=>{
// Call the triggerHoverEnd as soon as isDisabled changes to true
// Safe to call triggerHoverEnd, it will early return if we aren't currently hovering
if (isDisabled) triggerHoverEnd({
currentTarget: state.target
}, state.pointerType);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [
isDisabled
]);
return {
hoverProps: hoverProps,
isHovered: isHovered
};
}
export {$6179b936705e76d3$export$ae780daf29e6d456 as useHover};
//# sourceMappingURL=useHover.module.js.map