148 lines
3.5 KiB
JavaScript
148 lines
3.5 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule ActivityIndicator
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* @flow
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*/
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'use strict';
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const ColorPropType = require('ColorPropType');
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const NativeMethodsMixin = require('NativeMethodsMixin');
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const Platform = require('Platform');
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const React = require('React');
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const PropTypes = require('prop-types');
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const StyleSheet = require('StyleSheet');
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const View = require('View');
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const ViewPropTypes = require('ViewPropTypes');
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const createReactClass = require('create-react-class');
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const requireNativeComponent = require('requireNativeComponent');
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const GRAY = '#999999';
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type IndicatorSize = number | 'small' | 'large';
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type DefaultProps = {
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animating: boolean,
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color: any,
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hidesWhenStopped: boolean,
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size: IndicatorSize,
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}
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/**
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* Displays a circular loading indicator.
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*/
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/* $FlowFixMe(>=0.53.0 site=react_native_fb) This comment suppresses an error
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* found when Flow v0.53 was deployed. To see the error delete this comment and
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* run Flow. */
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const ActivityIndicator = createReactClass({
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displayName: 'ActivityIndicator',
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mixins: [NativeMethodsMixin],
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propTypes: {
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...ViewPropTypes,
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/**
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* Whether to show the indicator (true, the default) or hide it (false).
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*/
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animating: PropTypes.bool,
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/**
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* The foreground color of the spinner (default is gray).
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*/
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color: ColorPropType,
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/**
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* Size of the indicator (default is 'small').
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* Passing a number to the size prop is only supported on Android.
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*/
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size: PropTypes.oneOfType([
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PropTypes.oneOf([ 'small', 'large' ]),
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PropTypes.number,
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]),
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/**
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* Whether the indicator should hide when not animating (true by default).
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*
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* @platform ios
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*/
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hidesWhenStopped: PropTypes.bool,
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},
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getDefaultProps(): DefaultProps {
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return {
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animating: true,
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color: Platform.OS === 'ios' ? GRAY : undefined,
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hidesWhenStopped: true,
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size: 'small',
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};
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},
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render() {
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const {onLayout, style, ...props} = this.props;
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let sizeStyle;
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switch (props.size) {
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case 'small':
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sizeStyle = styles.sizeSmall;
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break;
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case 'large':
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sizeStyle = styles.sizeLarge;
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break;
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default:
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sizeStyle = {height: props.size, width: props.size};
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break;
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}
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return (
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<View
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onLayout={onLayout}
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style={[styles.container, style]}>
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<RCTActivityIndicator
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{...props}
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style={sizeStyle}
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styleAttr="Normal"
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indeterminate
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/>
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</View>
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);
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}
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});
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const styles = StyleSheet.create({
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container: {
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alignItems: 'center',
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justifyContent: 'center',
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},
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sizeSmall: {
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width: 20,
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height: 20,
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},
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sizeLarge: {
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width: 36,
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height: 36,
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},
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});
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if (Platform.OS === 'ios') {
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var RCTActivityIndicator = requireNativeComponent(
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'RCTActivityIndicatorView',
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ActivityIndicator,
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{nativeOnly: {activityIndicatorViewStyle: true}},
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);
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} else if (Platform.OS === 'android') {
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var RCTActivityIndicator = requireNativeComponent(
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'AndroidProgressBar',
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ActivityIndicator,
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// Ignore props that are specific to non inderterminate ProgressBar.
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{nativeOnly: {
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indeterminate: true,
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progress: true,
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styleAttr: true,
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}},
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);
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}
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module.exports = ActivityIndicator;
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