147 lines
3.9 KiB
JavaScript
147 lines
3.9 KiB
JavaScript
/**
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* Copyright (c) 2013-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 Switch
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* @flow
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*/
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'use strict';
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var ColorPropType = require('ColorPropType');
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var NativeMethodsMixin = require('NativeMethodsMixin');
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var Platform = require('Platform');
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var React = require('React');
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const PropTypes = require('prop-types');
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var StyleSheet = require('StyleSheet');
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const ViewPropTypes = require('ViewPropTypes');
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var createReactClass = require('create-react-class');
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var requireNativeComponent = require('requireNativeComponent');
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type DefaultProps = {
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value: boolean,
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disabled: boolean,
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};
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/**
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* Renders a boolean input.
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*
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* This is a controlled component that requires an `onValueChange` callback that
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* updates the `value` prop in order for the component to reflect user actions.
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* If the `value` prop is not updated, the component will continue to render
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* the supplied `value` prop instead of the expected result of any user actions.
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*
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* @keyword checkbox
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* @keyword toggle
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*/
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// $FlowFixMe(>=0.41.0)
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var Switch = createReactClass({
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displayName: 'Switch',
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propTypes: {
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...ViewPropTypes,
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/**
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* The value of the switch. If true the switch will be turned on.
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* Default value is false.
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*/
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value: PropTypes.bool,
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/**
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* If true the user won't be able to toggle the switch.
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* Default value is false.
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*/
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disabled: PropTypes.bool,
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/**
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* Invoked with the new value when the value changes.
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*/
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onValueChange: PropTypes.func,
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/**
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* Used to locate this view in end-to-end tests.
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*/
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testID: PropTypes.string,
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/**
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* Border color on iOS and background color on Android when the switch is turned off.
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*/
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tintColor: ColorPropType,
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/**
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* Background color when the switch is turned on.
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*/
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onTintColor: ColorPropType,
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/**
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* Color of the foreground switch grip.
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*/
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thumbTintColor: ColorPropType,
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},
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getDefaultProps: function(): DefaultProps {
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return {
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value: false,
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disabled: false,
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};
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},
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mixins: [NativeMethodsMixin],
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_rctSwitch: {},
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_onChange: function(event: Object) {
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if (Platform.OS === 'android') {
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this._rctSwitch.setNativeProps({on: this.props.value});
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} else {
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this._rctSwitch.setNativeProps({value: this.props.value});
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}
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//Change the props after the native props are set in case the props change removes the component
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this.props.onChange && this.props.onChange(event);
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this.props.onValueChange && this.props.onValueChange(event.nativeEvent.value);
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},
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render: function() {
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var props = {...this.props};
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props.onStartShouldSetResponder = () => true;
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props.onResponderTerminationRequest = () => false;
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if (Platform.OS === 'android') {
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props.enabled = !this.props.disabled;
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props.on = this.props.value;
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props.style = this.props.style;
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props.trackTintColor = this.props.value ? this.props.onTintColor : this.props.tintColor;
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} else if (Platform.OS === 'ios') {
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props.style = [styles.rctSwitchIOS, this.props.style];
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}
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return (
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<RCTSwitch
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{...props}
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ref={(ref) => { this._rctSwitch = ref; }}
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onChange={this._onChange}
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/>
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);
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},
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});
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var styles = StyleSheet.create({
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rctSwitchIOS: {
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height: 31,
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width: 51,
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}
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});
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if (Platform.OS === 'android') {
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var RCTSwitch = requireNativeComponent('AndroidSwitch', Switch, {
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nativeOnly: {
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onChange: true,
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on: true,
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enabled: true,
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trackTintColor: true,
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}
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});
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} else {
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var RCTSwitch = requireNativeComponent('RCTSwitch', Switch, {
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nativeOnly: {
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onChange: true
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}
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});
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}
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module.exports = Switch;
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