72 lines
1.6 KiB
JavaScript
72 lines
1.6 KiB
JavaScript
// @flow
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import React, { Component } from 'react';
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import { TouchableOpacity } from 'react-native';
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import { connect } from 'react-redux';
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import { ColorSchemeRegistry } from '../../../color-scheme';
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import { Icon } from '../../../font-icons';
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/**
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* The type of the React {@code Component} props of {@link BackButton}
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*/
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type Props = {
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/**
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* The action to be performed when the button is pressed.
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*/
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onPress: Function,
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/**
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* An external style object passed to the component.
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*/
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style?: Object,
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/**
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* The color schemed style of the Header component.
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*/
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_headerStyles: Object
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};
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/**
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* A component rendering a back button.
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*/
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class BackButton extends Component<Props> {
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/**
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* Implements React's {@link Component#render()}, renders the button.
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*
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* @inheritdoc
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* @returns {ReactElement}
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*/
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render() {
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return (
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<TouchableOpacity
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accessibilityLabel = { 'Back' }
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onPress = { this.props.onPress }>
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<Icon
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name = { 'arrow_back' }
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style = { [
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this.props._headerStyles.headerButtonIcon,
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this.props.style
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] } />
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</TouchableOpacity>
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);
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}
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}
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/**
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* Maps part of the Redux state to the props of this component.
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*
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* @param {Object} state - The Redux state.
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* @returns {{
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* _headerStyles: Object
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* }}
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*/
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function _mapStateToProps(state) {
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return {
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_headerStyles: ColorSchemeRegistry.get(state, 'Header')
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};
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}
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export default connect(_mapStateToProps)(BackButton);
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