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 | 2x 2x 2x 2x 5x 5x 5x 6x 6x 6x | import React from 'react';
import PropTypes from 'prop-types';
import {
Animated,
Image as ImageNative,
StyleSheet,
View,
Platform,
} from 'react-native';
import { nodeType } from '../helpers';
import { ViewPropTypes, withTheme } from '../config';
class Image extends React.Component {
state = {
placeholderOpacity: new Animated.Value(1),
};
onLoad = () => {
const minimumWait = 100;
const staggerNonce = 200 * Math.random();
setTimeout(
() => {
Animated.timing(this.state.placeholderOpacity, {
toValue: 0,
duration: 350,
useNativeDriver: Platform.OS === 'android' ? false : true,
}).start();
},
Platform.OS === 'android' ? 0 : Math.floor(minimumWait + staggerNonce)
);
};
render() {
const {
placeholderStyle,
PlaceholderContent,
containerStyle,
style,
ImageComponent,
children,
...attributes
} = this.props;
const hasImage = Boolean(attributes.source);
return (
<View
accessibilityIgnoresInvertColors={true}
style={StyleSheet.flatten([styles.container, containerStyle])}
>
<ImageComponent
{...attributes}
onLoad={this.onLoad}
style={[
StyleSheet.absoluteFill,
{
width: style.width,
height: style.height,
},
]}
testID="RNE__Image"
/>
<Animated.View
pointerEvents={hasImage ? 'none' : 'auto'}
accessibilityElementsHidden={hasImage}
importantForAccessibility={hasImage ? 'no-hide-descendants' : 'yes'}
style={[
styles.placeholderContainer,
{
opacity: hasImage ? this.state.placeholderOpacity : 1,
},
]}
>
<View
testID="RNE__Image__placeholder"
style={StyleSheet.flatten([
style,
styles.placeholder,
placeholderStyle,
])}
>
{PlaceholderContent}
</View>
</Animated.View>
<View style={style}>{children}</View>
</View>
);
}
}
const styles = {
container: {
backgroundColor: 'transparent',
position: 'relative',
},
placeholderContainer: {
...StyleSheet.absoluteFillObject,
},
placeholder: {
backgroundColor: '#bdbdbd',
alignItems: 'center',
justifyContent: 'center',
},
};
Image.propTypes = {
...ImageNative.propTypes,
ImageComponent: PropTypes.oneOfType([PropTypes.func, PropTypes.object]),
PlaceholderContent: nodeType,
containerStyle: ViewPropTypes.style,
placeholderStyle: ImageNative.propTypes.style,
};
Image.defaultProps = {
ImageComponent: ImageNative,
style: {},
};
export { Image };
export default withTheme(Image, 'Image');
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