Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | 2x 2x 2x 2x 4x 4x 4x 4x 4x | import React from 'react'; import PropTypes from 'prop-types'; import { Animated, Image as RNImage, Platform, StyleSheet, View, } from 'react-native'; import { nodeType } from '../helpers'; import { ViewPropTypes, withTheme } from '../config'; class Image extends React.PureComponent { placeholderContainerOpacity = new Animated.Value(1); onLoadEnd = () => { /* Images finish loading in the same frame for some reason, the images will fade in separately with staggerNonce */ const minimumWait = 100; const staggerNonce = 200 * Math.random(); setTimeout( () => Animated.timing(this.placeholderContainerOpacity, { toValue: 0, duration: 350, useNativeDriver: true, }).start(), minimumWait + staggerNonce ); }; render() { const { placeholderStyle, PlaceholderContent, containerStyle, style, ImageComponent, ...attributes } = this.props; return ( <View style={StyleSheet.flatten([styles.container, containerStyle])}> {Platform.select({ android: ( <React.Fragment> <View style={styles.placeholderContainer}> <Animated.View testID="RNE__Image__placeholder" style={StyleSheet.flatten([ style, styles.placeholder, { backgroundColor: this.placeholderContainerOpacity.interpolate( { inputRange: [0, 1], outputRange: [ styles.placeholder.backgroundColor, 'transparent', ], } ), }, placeholderStyle, ])} > {PlaceholderContent} </Animated.View> </View> <ImageComponent {...attributes} style={style} /> </React.Fragment> ), default: ( <React.Fragment> <ImageComponent {...attributes} onLoadEnd={this.onLoadEnd} style={style} /> <Animated.View style={StyleSheet.flatten([ styles.placeholderContainer, { opacity: this.placeholderContainerOpacity }, ])} > <View testID="RNE__Image__placeholder" style={StyleSheet.flatten([ style, styles.placeholder, placeholderStyle, ])} > {PlaceholderContent} </View> </Animated.View> </React.Fragment> ), })} </View> ); } } const styles = { container: { backgroundColor: 'transparent', position: 'relative', }, placeholderContainer: { ...StyleSheet.absoluteFillObject, }, placeholder: { backgroundColor: '#bdbdbd', alignItems: 'center', justifyContent: 'center', }, }; Image.propTypes = { ...RNImage.propTypes, ImageComponent: PropTypes.oneOfType([PropTypes.func, PropTypes.object]), PlaceholderContent: nodeType, containerStyle: ViewPropTypes.style, placeholderStyle: RNImage.propTypes.style, }; Image.defaultProps = { ImageComponent: RNImage, }; export { Image }; export default withTheme(Image, 'Image'); |