1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 |
|
7 |
|
8 |
|
9 |
|
10 |
|
11 |
|
12 |
|
13 |
|
14 |
|
15 |
|
16 |
|
17 |
|
18 | import {RefObject, SyntheticEvent, useEffect, useRef} from 'react';
|
19 |
|
20 | export interface InteractOutsideProps {
|
21 | ref: RefObject<Element>,
|
22 | onInteractOutside?: (e: SyntheticEvent) => void,
|
23 | onInteractOutsideStart?: (e: SyntheticEvent) => void,
|
24 |
|
25 | isDisabled?: boolean
|
26 | }
|
27 |
|
28 |
|
29 |
|
30 |
|
31 |
|
32 | export function useInteractOutside(props: InteractOutsideProps) {
|
33 | let {ref, onInteractOutside, isDisabled, onInteractOutsideStart} = props;
|
34 | let stateRef = useRef({
|
35 | isPointerDown: false,
|
36 | ignoreEmulatedMouseEvents: false,
|
37 | onInteractOutside,
|
38 | onInteractOutsideStart
|
39 | });
|
40 | let state = stateRef.current;
|
41 | state.onInteractOutside = onInteractOutside;
|
42 | state.onInteractOutsideStart = onInteractOutsideStart;
|
43 |
|
44 | useEffect(() => {
|
45 | if (isDisabled) {
|
46 | return;
|
47 | }
|
48 |
|
49 | let onPointerDown = (e) => {
|
50 | if (isValidEvent(e, ref) && state.onInteractOutside) {
|
51 | if (state.onInteractOutsideStart) {
|
52 | state.onInteractOutsideStart(e);
|
53 | }
|
54 | state.isPointerDown = true;
|
55 | }
|
56 | };
|
57 |
|
58 |
|
59 | if (typeof PointerEvent !== 'undefined') {
|
60 | let onPointerUp = (e) => {
|
61 | if (state.isPointerDown && state.onInteractOutside && isValidEvent(e, ref)) {
|
62 | state.isPointerDown = false;
|
63 | state.onInteractOutside(e);
|
64 | }
|
65 | };
|
66 |
|
67 |
|
68 | document.addEventListener('pointerdown', onPointerDown, true);
|
69 | document.addEventListener('pointerup', onPointerUp, true);
|
70 |
|
71 | return () => {
|
72 | document.removeEventListener('pointerdown', onPointerDown, true);
|
73 | document.removeEventListener('pointerup', onPointerUp, true);
|
74 | };
|
75 | } else {
|
76 | let onMouseUp = (e) => {
|
77 | if (state.ignoreEmulatedMouseEvents) {
|
78 | state.ignoreEmulatedMouseEvents = false;
|
79 | } else if (state.isPointerDown && state.onInteractOutside && isValidEvent(e, ref)) {
|
80 | state.isPointerDown = false;
|
81 | state.onInteractOutside(e);
|
82 | }
|
83 | };
|
84 |
|
85 | let onTouchEnd = (e) => {
|
86 | state.ignoreEmulatedMouseEvents = true;
|
87 | if (state.onInteractOutside && state.isPointerDown && isValidEvent(e, ref)) {
|
88 | state.isPointerDown = false;
|
89 | state.onInteractOutside(e);
|
90 | }
|
91 | };
|
92 |
|
93 | document.addEventListener('mousedown', onPointerDown, true);
|
94 | document.addEventListener('mouseup', onMouseUp, true);
|
95 | document.addEventListener('touchstart', onPointerDown, true);
|
96 | document.addEventListener('touchend', onTouchEnd, true);
|
97 |
|
98 | return () => {
|
99 | document.removeEventListener('mousedown', onPointerDown, true);
|
100 | document.removeEventListener('mouseup', onMouseUp, true);
|
101 | document.removeEventListener('touchstart', onPointerDown, true);
|
102 | document.removeEventListener('touchend', onTouchEnd, true);
|
103 | };
|
104 | }
|
105 | }, [ref, state, isDisabled]);
|
106 | }
|
107 |
|
108 | function isValidEvent(event, ref) {
|
109 | if (event.button > 0) {
|
110 | return false;
|
111 | }
|
112 |
|
113 |
|
114 | if (event.target) {
|
115 | const ownerDocument = event.target.ownerDocument;
|
116 | if (!ownerDocument || !ownerDocument.documentElement.contains(event.target)) {
|
117 | return false;
|
118 | }
|
119 | }
|
120 |
|
121 | return ref.current && !ref.current.contains(event.target);
|
122 | }
|