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1import {useState as $AWxnT$useState, useRef as $AWxnT$useRef, useEffect as $AWxnT$useEffect, useMemo as $AWxnT$useMemo} from "react";
2
3/*
4 * Copyright 2020 Adobe. All rights reserved.
5 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License. You may obtain a copy
7 * of the License at http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under
10 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
11 * OF ANY KIND, either express or implied. See the License for the specific language
12 * governing permissions and limitations under the License.
13 */ // Portions of the code in this file are based on code from react.
14// Original licensing for the following can be found in the
15// NOTICE file in the root directory of this source tree.
16// See https://github.com/facebook/react/tree/cc7c1aece46a6b69b41958d731e0fd27c94bfc6c/packages/react-interactions
17
18// iOS fires onPointerEnter twice: once with pointerType="touch" and again with pointerType="mouse".
19// We want to ignore these emulated events so they do not trigger hover behavior.
20// See https://bugs.webkit.org/show_bug.cgi?id=214609.
21let $6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents = false;
22let $6179b936705e76d3$var$hoverCount = 0;
23function $6179b936705e76d3$var$setGlobalIgnoreEmulatedMouseEvents() {
24 $6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents = true;
25 // Clear globalIgnoreEmulatedMouseEvents after a short timeout. iOS fires onPointerEnter
26 // with pointerType="mouse" immediately after onPointerUp and before onFocus. On other
27 // devices that don't have this quirk, we don't want to ignore a mouse hover sometime in
28 // the distant future because a user previously touched the element.
29 setTimeout(()=>{
30 $6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents = false;
31 }, 50);
32}
33function $6179b936705e76d3$var$handleGlobalPointerEvent(e) {
34 if (e.pointerType === 'touch') $6179b936705e76d3$var$setGlobalIgnoreEmulatedMouseEvents();
35}
36function $6179b936705e76d3$var$setupGlobalTouchEvents() {
37 if (typeof document === 'undefined') return;
38 if (typeof PointerEvent !== 'undefined') document.addEventListener('pointerup', $6179b936705e76d3$var$handleGlobalPointerEvent);
39 else document.addEventListener('touchend', $6179b936705e76d3$var$setGlobalIgnoreEmulatedMouseEvents);
40 $6179b936705e76d3$var$hoverCount++;
41 return ()=>{
42 $6179b936705e76d3$var$hoverCount--;
43 if ($6179b936705e76d3$var$hoverCount > 0) return;
44 if (typeof PointerEvent !== 'undefined') document.removeEventListener('pointerup', $6179b936705e76d3$var$handleGlobalPointerEvent);
45 else document.removeEventListener('touchend', $6179b936705e76d3$var$setGlobalIgnoreEmulatedMouseEvents);
46 };
47}
48function $6179b936705e76d3$export$ae780daf29e6d456(props) {
49 let { onHoverStart: onHoverStart, onHoverChange: onHoverChange, onHoverEnd: onHoverEnd, isDisabled: isDisabled } = props;
50 let [isHovered, setHovered] = (0, $AWxnT$useState)(false);
51 let state = (0, $AWxnT$useRef)({
52 isHovered: false,
53 ignoreEmulatedMouseEvents: false,
54 pointerType: '',
55 target: null
56 }).current;
57 (0, $AWxnT$useEffect)($6179b936705e76d3$var$setupGlobalTouchEvents, []);
58 let { hoverProps: hoverProps, triggerHoverEnd: triggerHoverEnd } = (0, $AWxnT$useMemo)(()=>{
59 let triggerHoverStart = (event, pointerType)=>{
60 state.pointerType = pointerType;
61 if (isDisabled || pointerType === 'touch' || state.isHovered || !event.currentTarget.contains(event.target)) return;
62 state.isHovered = true;
63 let target = event.currentTarget;
64 state.target = target;
65 if (onHoverStart) onHoverStart({
66 type: 'hoverstart',
67 target: target,
68 pointerType: pointerType
69 });
70 if (onHoverChange) onHoverChange(true);
71 setHovered(true);
72 };
73 let triggerHoverEnd = (event, pointerType)=>{
74 state.pointerType = '';
75 state.target = null;
76 if (pointerType === 'touch' || !state.isHovered) return;
77 state.isHovered = false;
78 let target = event.currentTarget;
79 if (onHoverEnd) onHoverEnd({
80 type: 'hoverend',
81 target: target,
82 pointerType: pointerType
83 });
84 if (onHoverChange) onHoverChange(false);
85 setHovered(false);
86 };
87 let hoverProps = {};
88 if (typeof PointerEvent !== 'undefined') {
89 hoverProps.onPointerEnter = (e)=>{
90 if ($6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents && e.pointerType === 'mouse') return;
91 triggerHoverStart(e, e.pointerType);
92 };
93 hoverProps.onPointerLeave = (e)=>{
94 if (!isDisabled && e.currentTarget.contains(e.target)) triggerHoverEnd(e, e.pointerType);
95 };
96 } else {
97 hoverProps.onTouchStart = ()=>{
98 state.ignoreEmulatedMouseEvents = true;
99 };
100 hoverProps.onMouseEnter = (e)=>{
101 if (!state.ignoreEmulatedMouseEvents && !$6179b936705e76d3$var$globalIgnoreEmulatedMouseEvents) triggerHoverStart(e, 'mouse');
102 state.ignoreEmulatedMouseEvents = false;
103 };
104 hoverProps.onMouseLeave = (e)=>{
105 if (!isDisabled && e.currentTarget.contains(e.target)) triggerHoverEnd(e, 'mouse');
106 };
107 }
108 return {
109 hoverProps: hoverProps,
110 triggerHoverEnd: triggerHoverEnd
111 };
112 }, [
113 onHoverStart,
114 onHoverChange,
115 onHoverEnd,
116 isDisabled,
117 state
118 ]);
119 (0, $AWxnT$useEffect)(()=>{
120 // Call the triggerHoverEnd as soon as isDisabled changes to true
121 // Safe to call triggerHoverEnd, it will early return if we aren't currently hovering
122 if (isDisabled) triggerHoverEnd({
123 currentTarget: state.target
124 }, state.pointerType);
125 // eslint-disable-next-line react-hooks/exhaustive-deps
126 }, [
127 isDisabled
128 ]);
129 return {
130 hoverProps: hoverProps,
131 isHovered: isHovered
132 };
133}
134
135
136export {$6179b936705e76d3$export$ae780daf29e6d456 as useHover};
137//# sourceMappingURL=useHover.module.js.map