/** * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @flow * @format */ 'use strict'; const DeprecatedImagePropType = require('../DeprecatedPropTypes/DeprecatedImagePropType'); const React = require('react'); const ReactNative = require('../Renderer/shims/ReactNative'); // eslint-disable-line no-unused-vars const StyleSheet = require('../StyleSheet/StyleSheet'); const flattenStyle = require('../StyleSheet/flattenStyle'); const resolveAssetSource = require('./resolveAssetSource'); import type {ImageProps as ImagePropsType} from './ImageProps'; import type {ImageStyleProp} from '../StyleSheet/StyleSheet'; import NativeImageLoaderIOS from './NativeImageLoaderIOS'; import ImageViewNativeComponent from './ImageViewNativeComponent'; function getSize( uri: string, success: (width: number, height: number) => void, failure?: (error: any) => void, ) { NativeImageLoaderIOS.getSize(uri) .then(([width, height]) => success(width, height)) .catch( failure || function() { console.warn('Failed to get size for image ' + uri); }, ); } function getSizeWithHeaders( uri: string, headers: {[string]: string, ...}, success: (width: number, height: number) => void, failure?: (error: any) => void, ): any { return NativeImageLoaderIOS.getSizeWithHeaders(uri, headers) .then(function(sizes) { success(sizes.width, sizes.height); }) .catch( failure || function() { console.warn('Failed to get size for image: ' + uri); }, ); } function prefetch(url: string): any { return NativeImageLoaderIOS.prefetchImage(url); } async function queryCache( urls: Array, ): Promise<{[string]: 'memory' | 'disk' | 'disk/memory', ...}> { return await NativeImageLoaderIOS.queryCache(urls); } type ImageComponentStatics = $ReadOnly<{| getSize: typeof getSize, getSizeWithHeaders: typeof getSizeWithHeaders, prefetch: typeof prefetch, queryCache: typeof queryCache, resolveAssetSource: typeof resolveAssetSource, propTypes: typeof DeprecatedImagePropType, |}>; /** * A React component for displaying different types of images, * including network images, static resources, temporary local images, and * images from local disk, such as the camera roll. * * See https://reactnative.dev/docs/image.html */ let Image = (props: ImagePropsType, forwardedRef) => { const source = resolveAssetSource(props.source) || { uri: undefined, width: undefined, height: undefined, }; let sources; let style: ImageStyleProp; if (Array.isArray(source)) { // $FlowFixMe flattenStyle is not strong enough style = flattenStyle([styles.base, props.style]) || {}; sources = source; } else { const {width, height, uri} = source; // $FlowFixMe flattenStyle is not strong enough style = flattenStyle([{width, height}, styles.base, props.style]) || {}; sources = [source]; if (uri === '') { console.warn('source.uri should not be an empty string'); } } const resizeMode = props.resizeMode || style.resizeMode || 'cover'; const tintColor = style.tintColor; if (props.src != null) { console.warn( 'The component requires a `source` property rather than `src`.', ); } if (props.children != null) { throw new Error( 'The component cannot contain children. If you want to render content on top of the image, consider using the component or absolute positioning.', ); } return ( ); }; Image = React.forwardRef< ImagePropsType, React.ElementRef, >(Image); Image.displayName = 'Image'; /** * Retrieve the width and height (in pixels) of an image prior to displaying it. * * See https://reactnative.dev/docs/image.html#getsize */ /* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.89 was deployed. To see the error, delete this * comment and run Flow. */ Image.getSize = getSize; /** * Retrieve the width and height (in pixels) of an image prior to displaying it * with the ability to provide the headers for the request. * * See https://reactnative.dev/docs/image.html#getsizewithheaders */ /* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.89 was deployed. To see the error, delete this * comment and run Flow. */ Image.getSizeWithHeaders = getSizeWithHeaders; /** * Prefetches a remote image for later use by downloading it to the disk * cache. * * See https://reactnative.dev/docs/image.html#prefetch */ /* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.89 was deployed. To see the error, delete this * comment and run Flow. */ Image.prefetch = prefetch; /** * Performs cache interrogation. * * See https://reactnative.dev/docs/image.html#querycache */ /* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.89 was deployed. To see the error, delete this * comment and run Flow. */ Image.queryCache = queryCache; /** * Resolves an asset reference into an object. * * See https://reactnative.dev/docs/image.html#resolveassetsource */ /* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.89 was deployed. To see the error, delete this * comment and run Flow. */ Image.resolveAssetSource = resolveAssetSource; /* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.89 was deployed. To see the error, delete this * comment and run Flow. */ Image.propTypes = DeprecatedImagePropType; const styles = StyleSheet.create({ base: { overflow: 'hidden', }, }); module.exports = ((Image: any): React.AbstractComponent< ImagePropsType, React.ElementRef, > & ImageComponentStatics);