102 lines
2.3 KiB
JavaScript
102 lines
2.3 KiB
JavaScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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import PropTypes from 'prop-types';
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import React from 'react';
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import {
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ActivityIndicator,
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Image,
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ScrollView,
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StyleSheet,
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View,
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} from 'react-native';
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export default class TableImage extends React.PureComponent {
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static propTypes = {
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deviceWidth: PropTypes.number.isRequired,
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imageSource: PropTypes.string.isRequired,
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};
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constructor(props) {
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super(props);
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this.state = {
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width: -1,
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height: -1,
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};
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}
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componentWillMount() {
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this.getImageSize(this.props.imageSource);
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}
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componentWillReceiveProps(nextProps) {
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if (this.props.imageSource !== nextProps.imageSource) {
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this.setState({
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width: -1,
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height: -1,
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});
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this.getImageSize(nextProps.imageSource);
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}
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}
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getImageSize = (imageSource) => {
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Image.getSize(imageSource, (width, height) => {
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this.setState({
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width,
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height,
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});
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});
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}
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render() {
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let {width, height} = this.state;
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if (width === -1 || height === -1) {
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return (
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<View style={style.loadingContainer}>
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<ActivityIndicator
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animating={true}
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size='large'
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/>
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</View>
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);
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}
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if (width > this.props.deviceWidth) {
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height = (height / width) * this.props.deviceWidth;
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width = this.props.deviceWidth;
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}
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return (
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<ScrollView
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style={style.scrollContainer}
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contentContainerStyle={style.container}
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>
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<Image
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style={[style.image, {width, height}]}
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source={{uri: this.props.imageSource}}
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/>
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</ScrollView>
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);
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}
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}
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const style = StyleSheet.create({
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scrollContainer: {
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flex: 1,
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},
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container: {
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flex: 1,
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flexDirection: 'column',
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},
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image: {
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resizeMode: 'contain',
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},
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loadingContainer: {
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alignItems: 'center',
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flex: 1,
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justifyContent: 'center',
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},
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});
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