272 lines
7.5 KiB
JavaScript
272 lines
7.5 KiB
JavaScript
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/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow
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*/
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'use strict';
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const AppContainer = require('../ReactNative/AppContainer');
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const I18nManager = require('../ReactNative/I18nManager');
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const PropTypes = require('prop-types');
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const React = require('react');
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const ScrollView = require('../Components/ScrollView/ScrollView');
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const StyleSheet = require('../StyleSheet/StyleSheet');
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const View = require('../Components/View/View');
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import type {ViewProps} from '../Components/View/ViewPropTypes';
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import type {DirectEventHandler} from '../Types/CodegenTypes';
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import type EmitterSubscription from '../vendor/emitter/EmitterSubscription';
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import RCTModalHostView from './RCTModalHostViewNativeComponent';
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/**
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* The Modal component is a simple way to present content above an enclosing view.
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*
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* See https://reactnative.dev/docs/modal.html
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*/
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// In order to route onDismiss callbacks, we need to uniquely identifier each
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// <Modal> on screen. There can be different ones, either nested or as siblings.
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// We cannot pass the onDismiss callback to native as the view will be
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// destroyed before the callback is fired.
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let uniqueModalIdentifier = 0;
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type OrientationChangeEvent = $ReadOnly<{|
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orientation: 'portrait' | 'landscape',
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|}>;
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export type Props = $ReadOnly<{|
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...ViewProps,
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/**
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* The `animationType` prop controls how the modal animates.
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*
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* See https://reactnative.dev/docs/modal.html#animationtype
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*/
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animationType?: ?('none' | 'slide' | 'fade'),
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/**
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* The `presentationStyle` prop controls how the modal appears.
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*
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* See https://reactnative.dev/docs/modal.html#presentationstyle
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*/
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presentationStyle?: ?(
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| 'fullScreen'
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| 'pageSheet'
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| 'formSheet'
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| 'overFullScreen'
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),
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/**
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* The `transparent` prop determines whether your modal will fill the
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* entire view.
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*
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* See https://reactnative.dev/docs/modal.html#transparent
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*/
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transparent?: ?boolean,
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/**
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* The `statusBarTranslucent` prop determines whether your modal should go under
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* the system statusbar.
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*
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* See https://reactnative.dev/docs/modal.html#transparent
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*/
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statusBarTranslucent?: ?boolean,
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/**
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* The `hardwareAccelerated` prop controls whether to force hardware
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* acceleration for the underlying window.
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*
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* This prop works only on Android.
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*
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* See https://reactnative.dev/docs/modal.html#hardwareaccelerated
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*/
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hardwareAccelerated?: ?boolean,
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/**
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* The `visible` prop determines whether your modal is visible.
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*
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* See https://reactnative.dev/docs/modal.html#visible
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*/
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visible?: ?boolean,
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/**
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* The `onRequestClose` callback is called when the user taps the hardware
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* back button on Android or the menu button on Apple TV.
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*
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* This is required on Apple TV and Android.
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*
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* See https://reactnative.dev/docs/modal.html#onrequestclose
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*/
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onRequestClose?: ?DirectEventHandler<null>,
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/**
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* The `onShow` prop allows passing a function that will be called once the
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* modal has been shown.
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*
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* See https://reactnative.dev/docs/modal.html#onshow
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*/
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onShow?: ?DirectEventHandler<null>,
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/**
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* The `onDismiss` prop allows passing a function that will be called once
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* the modal has been dismissed.
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*
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* See https://reactnative.dev/docs/modal.html#ondismiss
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*/
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onDismiss?: ?() => mixed,
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/**
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* The `supportedOrientations` prop allows the modal to be rotated to any of the specified orientations.
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*
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* See https://reactnative.dev/docs/modal.html#supportedorientations
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*/
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supportedOrientations?: ?$ReadOnlyArray<
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| 'portrait'
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| 'portrait-upside-down'
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| 'landscape'
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| 'landscape-left'
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| 'landscape-right',
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>,
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/**
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* The `onOrientationChange` callback is called when the orientation changes while the modal is being displayed.
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*
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* See https://reactnative.dev/docs/modal.html#onorientationchange
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*/
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onOrientationChange?: ?DirectEventHandler<OrientationChangeEvent>,
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|}>;
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class Modal extends React.Component<Props> {
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static defaultProps: {|hardwareAccelerated: boolean, visible: boolean|} = {
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visible: true,
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hardwareAccelerated: false,
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};
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static contextTypes: any | {|rootTag: React$PropType$Primitive<number>|} = {
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rootTag: PropTypes.number,
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};
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_identifier: number;
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_eventSubscription: ?EmitterSubscription;
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constructor(props: Props) {
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super(props);
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Modal._confirmProps(props);
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this._identifier = uniqueModalIdentifier++;
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}
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static childContextTypes:
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| any
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| {|virtualizedList: React$PropType$Primitive<any>|} = {
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virtualizedList: PropTypes.object,
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};
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getChildContext(): {|virtualizedList: null|} {
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// Reset the context so VirtualizedList doesn't get confused by nesting
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// in the React tree that doesn't reflect the native component hierarchy.
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return {
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virtualizedList: null,
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};
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}
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componentWillUnmount() {
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if (this.props.onDismiss != null) {
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this.props.onDismiss();
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}
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}
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UNSAFE_componentWillReceiveProps(nextProps: Props) {
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Modal._confirmProps(nextProps);
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}
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static _confirmProps(props: Props) {
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if (
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props.presentationStyle &&
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props.presentationStyle !== 'overFullScreen' &&
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props.transparent
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) {
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console.warn(
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`Modal with '${
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props.presentationStyle
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}' presentation style and 'transparent' value is not supported.`,
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);
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}
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}
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render(): React.Node {
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if (this.props.visible !== true) {
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return null;
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}
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const containerStyles = {
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backgroundColor: this.props.transparent ? 'transparent' : 'white',
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};
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let animationType = this.props.animationType || 'none';
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let presentationStyle = this.props.presentationStyle;
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if (!presentationStyle) {
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presentationStyle = 'fullScreen';
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if (this.props.transparent) {
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presentationStyle = 'overFullScreen';
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}
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}
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const innerChildren = __DEV__ ? (
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<AppContainer rootTag={this.context.rootTag}>
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{this.props.children}
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</AppContainer>
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) : (
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this.props.children
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);
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return (
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<RCTModalHostView
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animationType={animationType}
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presentationStyle={presentationStyle}
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transparent={this.props.transparent}
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hardwareAccelerated={this.props.hardwareAccelerated}
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onRequestClose={this.props.onRequestClose}
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onShow={this.props.onShow}
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statusBarTranslucent={this.props.statusBarTranslucent}
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identifier={this._identifier}
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style={styles.modal}
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onStartShouldSetResponder={this._shouldSetResponder}
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supportedOrientations={this.props.supportedOrientations}
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onOrientationChange={this.props.onOrientationChange}>
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<ScrollView.Context.Provider value={null}>
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<View style={[styles.container, containerStyles]}>
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{innerChildren}
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</View>
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</ScrollView.Context.Provider>
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</RCTModalHostView>
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);
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}
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// We don't want any responder events bubbling out of the modal.
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_shouldSetResponder(): boolean {
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return true;
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}
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}
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const side = I18nManager.getConstants().isRTL ? 'right' : 'left';
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const styles = StyleSheet.create({
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modal: {
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position: 'absolute',
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},
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container: {
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/* $FlowFixMe(>=0.111.0 site=react_native_fb) This comment suppresses an
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* error found when Flow v0.111 was deployed. To see the error, delete this
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* comment and run Flow. */
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[side]: 0,
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top: 0,
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flex: 1,
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},
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});
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module.exports = Modal;
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