|
@@ -0,0 +1,112 @@
|
|
1
|
+import * as React from 'react';
|
|
2
|
+import { ViewStyle, View } from 'react-native';
|
|
3
|
+
|
|
4
|
+import { InsetChangeNativeCallback } from './SafeArea.types';
|
|
5
|
+
|
|
6
|
+interface NativeSafeAreaViewProps {
|
|
7
|
+ children?: React.ReactNode;
|
|
8
|
+ style: ViewStyle;
|
|
9
|
+ onInsetsChange: InsetChangeNativeCallback;
|
|
10
|
+}
|
|
11
|
+
|
|
12
|
+enum CSSTransitions {
|
|
13
|
+ WebkitTransition = 'webkitTransitionEnd',
|
|
14
|
+ Transition = 'transitionEnd',
|
|
15
|
+ MozTransition = 'transitionend',
|
|
16
|
+ MSTransition = 'msTransitionEnd',
|
|
17
|
+ OTransition = 'oTransitionEnd',
|
|
18
|
+}
|
|
19
|
+
|
|
20
|
+export default function NativeSafeAreaView({
|
|
21
|
+ children,
|
|
22
|
+ style,
|
|
23
|
+ onInsetsChange,
|
|
24
|
+}: NativeSafeAreaViewProps) {
|
|
25
|
+ const element = createContextElement();
|
|
26
|
+ document.body.appendChild(element);
|
|
27
|
+
|
|
28
|
+ const onEnd = () => {
|
|
29
|
+ const {
|
|
30
|
+ paddingTop,
|
|
31
|
+ paddingBottom,
|
|
32
|
+ paddingLeft,
|
|
33
|
+ paddingRight,
|
|
34
|
+ } = getComputedStyle(element);
|
|
35
|
+
|
|
36
|
+ const insets = {
|
|
37
|
+ top: paddingTop ? parseInt(paddingTop, 10) : 0,
|
|
38
|
+ bottom: paddingBottom ? parseInt(paddingBottom, 10) : 0,
|
|
39
|
+ left: paddingLeft ? parseInt(paddingLeft, 10) : 0,
|
|
40
|
+ right: paddingRight ? parseInt(paddingRight, 10) : 0,
|
|
41
|
+ };
|
|
42
|
+
|
|
43
|
+ console.log('onEnd');
|
|
44
|
+ // @ts-ignore: missing properties
|
|
45
|
+ onInsetsChange({ nativeEvent: { insets } });
|
|
46
|
+ };
|
|
47
|
+ React.useEffect(() => {
|
|
48
|
+ console.log(
|
|
49
|
+ 'SUPPORTED_TRANSITION_EVENT',
|
|
50
|
+ SUPPORTED_TRANSITION_EVENT,
|
|
51
|
+ SUPPORTED_ENV,
|
|
52
|
+ );
|
|
53
|
+ element.addEventListener(SUPPORTED_TRANSITION_EVENT, onEnd);
|
|
54
|
+ onEnd();
|
|
55
|
+ return () => {
|
|
56
|
+ document.body.removeChild(element);
|
|
57
|
+ element.removeEventListener(SUPPORTED_TRANSITION_EVENT, onEnd);
|
|
58
|
+ };
|
|
59
|
+ }, [onInsetsChange]);
|
|
60
|
+
|
|
61
|
+ return <View style={style}>{children}</View>;
|
|
62
|
+}
|
|
63
|
+
|
|
64
|
+const SUPPORTED_TRANSITION_EVENT: string = (() => {
|
|
65
|
+ const element = document.createElement('invalidtype');
|
|
66
|
+
|
|
67
|
+ for (const key in CSSTransitions) {
|
|
68
|
+ if (element.style[key] !== undefined) {
|
|
69
|
+ return CSSTransitions[key];
|
|
70
|
+ }
|
|
71
|
+ }
|
|
72
|
+ return CSSTransitions.Transition;
|
|
73
|
+})();
|
|
74
|
+
|
|
75
|
+const SUPPORTED_ENV: 'constant' | 'env' = (() => {
|
|
76
|
+ // @ts-ignore: Property 'CSS' does not exist on type 'Window'.ts(2339)
|
|
77
|
+ const { CSS } = window;
|
|
78
|
+ if (
|
|
79
|
+ CSS &&
|
|
80
|
+ CSS.supports &&
|
|
81
|
+ CSS.supports('top: constant(safe-area-inset-top)')
|
|
82
|
+ ) {
|
|
83
|
+ return 'constant';
|
|
84
|
+ }
|
|
85
|
+ return 'env';
|
|
86
|
+})();
|
|
87
|
+
|
|
88
|
+function getInset(side: string): string {
|
|
89
|
+ return `${SUPPORTED_ENV}(safe-area-inset-${side})`;
|
|
90
|
+}
|
|
91
|
+
|
|
92
|
+function createContextElement(): HTMLElement {
|
|
93
|
+ const element = document.createElement('div');
|
|
94
|
+ const { style } = element;
|
|
95
|
+ style.position = 'fixed';
|
|
96
|
+ style.left = '0';
|
|
97
|
+ style.top = '0';
|
|
98
|
+ style.width = '0';
|
|
99
|
+ style.height = '0';
|
|
100
|
+ style.zIndex = '-1';
|
|
101
|
+ style.overflow = 'hidden';
|
|
102
|
+ style.visibility = 'hidden';
|
|
103
|
+ // Bacon: Anything faster than this and the callback will be invoked too early with the wrong insets
|
|
104
|
+ style.transitionDuration = '0.05s';
|
|
105
|
+ style.transitionProperty = 'padding';
|
|
106
|
+ style.transitionDelay = '0s';
|
|
107
|
+ style.paddingTop = getInset('top');
|
|
108
|
+ style.paddingBottom = getInset('bottom');
|
|
109
|
+ style.paddingLeft = getInset('left');
|
|
110
|
+ style.paddingRight = getInset('right');
|
|
111
|
+ return element;
|
|
112
|
+}
|