amis-rpc-design/node_modules/react-native/Libraries/Components/View/View.js

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2023-10-07 19:42:30 +08:00
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow strict-local
*/
import type {ViewProps} from './ViewPropTypes';
import flattenStyle from '../../StyleSheet/flattenStyle';
import TextAncestor from '../../Text/TextAncestor';
import {getAccessibilityRoleFromRole} from '../../Utilities/AcessibilityMapping';
import ViewNativeComponent from './ViewNativeComponent';
import * as React from 'react';
export type Props = ViewProps;
/**
* The most fundamental component for building a UI, View is a container that
* supports layout with flexbox, style, some touch handling, and accessibility
* controls.
*
* @see https://reactnative.dev/docs/view
*/
const View: React.AbstractComponent<
ViewProps,
React.ElementRef<typeof ViewNativeComponent>,
> = React.forwardRef(
(
{
accessibilityElementsHidden,
accessibilityLabel,
accessibilityLabelledBy,
accessibilityLiveRegion,
accessibilityRole,
accessibilityState,
accessibilityValue,
'aria-busy': ariaBusy,
'aria-checked': ariaChecked,
'aria-disabled': ariaDisabled,
'aria-expanded': ariaExpanded,
'aria-hidden': ariaHidden,
'aria-label': ariaLabel,
'aria-labelledby': ariaLabelledBy,
'aria-live': ariaLive,
'aria-selected': ariaSelected,
'aria-valuemax': ariaValueMax,
'aria-valuemin': ariaValueMin,
'aria-valuenow': ariaValueNow,
'aria-valuetext': ariaValueText,
focusable,
id,
importantForAccessibility,
nativeID,
pointerEvents,
role,
tabIndex,
...otherProps
}: ViewProps,
forwardedRef,
) => {
const _accessibilityLabelledBy =
ariaLabelledBy?.split(/\s*,\s*/g) ?? accessibilityLabelledBy;
let _accessibilityState;
if (
accessibilityState != null ||
ariaBusy != null ||
ariaChecked != null ||
ariaDisabled != null ||
ariaExpanded != null ||
ariaSelected != null
) {
_accessibilityState = {
busy: ariaBusy ?? accessibilityState?.busy,
checked: ariaChecked ?? accessibilityState?.checked,
disabled: ariaDisabled ?? accessibilityState?.disabled,
expanded: ariaExpanded ?? accessibilityState?.expanded,
selected: ariaSelected ?? accessibilityState?.selected,
};
}
let _accessibilityValue;
if (
accessibilityValue != null ||
ariaValueMax != null ||
ariaValueMin != null ||
ariaValueNow != null ||
ariaValueText != null
) {
_accessibilityValue = {
max: ariaValueMax ?? accessibilityValue?.max,
min: ariaValueMin ?? accessibilityValue?.min,
now: ariaValueNow ?? accessibilityValue?.now,
text: ariaValueText ?? accessibilityValue?.text,
};
}
// $FlowFixMe[underconstrained-implicit-instantiation]
let style = flattenStyle(otherProps.style);
const newPointerEvents = style?.pointerEvents || pointerEvents;
return (
<TextAncestor.Provider value={false}>
<ViewNativeComponent
{...otherProps}
accessibilityLiveRegion={
ariaLive === 'off' ? 'none' : ariaLive ?? accessibilityLiveRegion
}
accessibilityLabel={ariaLabel ?? accessibilityLabel}
focusable={tabIndex !== undefined ? !tabIndex : focusable}
accessibilityState={_accessibilityState}
accessibilityRole={
role ? getAccessibilityRoleFromRole(role) : accessibilityRole
}
accessibilityElementsHidden={
ariaHidden ?? accessibilityElementsHidden
}
accessibilityLabelledBy={_accessibilityLabelledBy}
accessibilityValue={_accessibilityValue}
importantForAccessibility={
ariaHidden === true
? 'no-hide-descendants'
: importantForAccessibility
}
nativeID={id ?? nativeID}
style={style}
pointerEvents={newPointerEvents}
ref={forwardedRef}
/>
</TextAncestor.Provider>
);
},
);
View.displayName = 'View';
module.exports = View;