jiuyiUniapp/service/node_modules/react-native/Libraries/Image/Image.android.js

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2025-02-13 09:59:20 +08:00
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow strict-local
* @format
*/
import type {ImageStyleProp} from '../StyleSheet/StyleSheet';
import type {RootTag} from '../Types/RootTagTypes';
import type {AbstractImageAndroid, ImageAndroid} from './ImageTypes.flow';
import flattenStyle from '../StyleSheet/flattenStyle';
import StyleSheet from '../StyleSheet/StyleSheet';
import TextAncestor from '../Text/TextAncestor';
import ImageAnalyticsTagContext from './ImageAnalyticsTagContext';
import {
unstable_getImageComponentDecorator,
useWrapRefWithImageAttachedCallbacks,
} from './ImageInjection';
import {getImageSourcesFromImageProps} from './ImageSourceUtils';
import {convertObjectFitToResizeMode} from './ImageUtils';
import ImageViewNativeComponent from './ImageViewNativeComponent';
import NativeImageLoaderAndroid, {
type ImageSize,
} from './NativeImageLoaderAndroid';
import resolveAssetSource from './resolveAssetSource';
import TextInlineImageNativeComponent from './TextInlineImageNativeComponent';
import * as React from 'react';
let _requestId = 1;
function generateRequestId() {
return _requestId++;
}
/**
* Retrieve the width and height (in pixels) of an image prior to displaying it
*
* See https://reactnative.dev/docs/image#getsize
*/
function getSize(
url: string,
success?: (width: number, height: number) => void,
failure?: (error: mixed) => void,
): void | Promise<ImageSize> {
const promise = NativeImageLoaderAndroid.getSize(url);
if (typeof success !== 'function') {
return promise;
}
promise
.then(sizes => success(sizes.width, sizes.height))
.catch(
failure ||
function () {
console.warn('Failed to get size for image: ' + url);
},
);
}
/**
* 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#getsizewithheaders
*/
function getSizeWithHeaders(
url: string,
headers: {[string]: string, ...},
success?: (width: number, height: number) => void,
failure?: (error: mixed) => void,
): void | Promise<ImageSize> {
const promise = NativeImageLoaderAndroid.getSizeWithHeaders(url, headers);
if (typeof success !== 'function') {
return promise;
}
promise
.then(sizes => success(sizes.width, sizes.height))
.catch(
failure ||
function () {
console.warn('Failed to get size for image: ' + url);
},
);
}
function prefetchWithMetadata(
url: string,
queryRootName: string,
rootTag?: ?RootTag,
callback: ?(requestId: number) => void,
): Promise<boolean> {
// TODO: T79192300 Log queryRootName and rootTag
return prefetch(url, callback);
}
function prefetch(
url: string,
callback: ?(requestId: number) => void,
): Promise<boolean> {
const requestId = generateRequestId();
callback && callback(requestId);
return NativeImageLoaderAndroid.prefetchImage(url, requestId);
}
function abortPrefetch(requestId: number): void {
NativeImageLoaderAndroid.abortRequest(requestId);
}
/**
* Perform cache interrogation.
*
* See https://reactnative.dev/docs/image#querycache
*/
async function queryCache(
urls: Array<string>,
): Promise<{[string]: 'memory' | 'disk' | 'disk/memory', ...}> {
return NativeImageLoaderAndroid.queryCache(urls);
}
/**
* 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
*/
let BaseImage: AbstractImageAndroid = React.forwardRef(
(props, forwardedRef) => {
let source = getImageSourcesFromImageProps(props) || {
uri: undefined,
width: undefined,
height: undefined,
};
const loadingIndicatorSource = resolveAssetSource(
props.loadingIndicatorSource,
);
if (props.children) {
throw new Error(
'The <Image> component cannot contain children. If you want to render content on top of the image, consider using the <ImageBackground> component or absolute positioning.',
);
}
if (props.defaultSource != null && props.loadingIndicatorSource != null) {
throw new Error(
'The <Image> component cannot have defaultSource and loadingIndicatorSource at the same time. Please use either defaultSource or loadingIndicatorSource.',
);
}
let style: ImageStyleProp;
let sources;
if (Array.isArray(source)) {
style = [styles.base, props.style];
sources = source;
} else {
const {uri} = source;
if (uri === '') {
console.warn('source.uri should not be an empty string');
}
const width = source.width ?? props.width;
const height = source.height ?? props.height;
style = [{width, height}, styles.base, props.style];
sources = [source];
}
const {onLoadStart, onLoad, onLoadEnd, onError} = props;
const nativeProps = {
...props,
style,
shouldNotifyLoadEvents: !!(onLoadStart || onLoad || onLoadEnd || onError),
// Both iOS and C++ sides expect to have "source" prop, whereas on Android it's "src"
// (for historical reasons). So in the latter case we populate both "src" and "source",
// in order to have a better alignment between platforms in the future.
src: sources,
source: sources,
/* $FlowFixMe(>=0.78.0 site=react_native_android_fb) This issue was found
* when making Flow check .android.js files. */
headers: (source?.[0]?.headers || source?.headers: ?{[string]: string}),
loadingIndicatorSrc: loadingIndicatorSource
? loadingIndicatorSource.uri
: null,
accessibilityLabel:
props['aria-label'] ?? props.accessibilityLabel ?? props.alt,
accessibilityLabelledBy:
props?.['aria-labelledby'] ?? props?.accessibilityLabelledBy,
accessible: props.alt !== undefined ? true : props.accessible,
accessibilityState: {
busy: props['aria-busy'] ?? props.accessibilityState?.busy,
checked: props['aria-checked'] ?? props.accessibilityState?.checked,
disabled: props['aria-disabled'] ?? props.accessibilityState?.disabled,
expanded: props['aria-expanded'] ?? props.accessibilityState?.expanded,
selected: props['aria-selected'] ?? props.accessibilityState?.selected,
},
};
const flattenedStyle = flattenStyle<ImageStyleProp>(style);
const objectFit = convertObjectFitToResizeMode(flattenedStyle?.objectFit);
const resizeMode =
objectFit || props.resizeMode || flattenedStyle?.resizeMode || 'cover';
const actualRef = useWrapRefWithImageAttachedCallbacks(forwardedRef);
return (
<ImageAnalyticsTagContext.Consumer>
{analyticTag => {
const nativePropsWithAnalytics =
analyticTag !== null
? {
...nativeProps,
internal_analyticTag: analyticTag,
}
: nativeProps;
return (
<TextAncestor.Consumer>
{hasTextAncestor => {
if (hasTextAncestor) {
return (
<TextInlineImageNativeComponent
// $FlowFixMe[incompatible-type]
style={style}
resizeMode={resizeMode}
headers={nativeProps.headers}
src={sources}
ref={actualRef}
/>
);
}
return (
<ImageViewNativeComponent
{...nativePropsWithAnalytics}
resizeMode={resizeMode}
ref={actualRef}
/>
);
}}
</TextAncestor.Consumer>
);
}}
</ImageAnalyticsTagContext.Consumer>
);
},
);
const imageComponentDecorator = unstable_getImageComponentDecorator();
if (imageComponentDecorator != null) {
BaseImage = imageComponentDecorator(BaseImage);
}
// $FlowExpectedError[incompatible-type] Eventually we need to move these functions from statics of the component to exports in the module.
const Image: ImageAndroid = BaseImage;
Image.displayName = 'Image';
/**
* Retrieve the width and height (in pixels) of an image prior to displaying it
*
* See https://reactnative.dev/docs/image#getsize
*/
// $FlowFixMe[incompatible-use] This property isn't writable but we're actually defining it here for the first time.
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#getsizewithheaders
*/
// $FlowFixMe[incompatible-use] This property isn't writable but we're actually defining it here for the first time.
Image.getSizeWithHeaders = getSizeWithHeaders;
/**
* Prefetches a remote image for later use by downloading it to the disk
* cache
*
* See https://reactnative.dev/docs/image#prefetch
*/
// $FlowFixMe[incompatible-use] This property isn't writable but we're actually defining it here for the first time.
Image.prefetch = prefetch;
/**
* Prefetches a remote image for later use by downloading it to the disk
* cache, and adds metadata for queryRootName and rootTag.
*
* See https://reactnative.dev/docs/image#prefetch
*/
// $FlowFixMe[incompatible-use] This property isn't writable but we're actually defining it here for the first time.
Image.prefetchWithMetadata = prefetchWithMetadata;
/**
* Abort prefetch request.
*
* See https://reactnative.dev/docs/image#abortprefetch
*/
// $FlowFixMe[incompatible-use] This property isn't writable but we're actually defining it here for the first time.
Image.abortPrefetch = abortPrefetch;
/**
* Perform cache interrogation.
*
* See https://reactnative.dev/docs/image#querycache
*/
// $FlowFixMe[incompatible-use] This property isn't writable but we're actually defining it here for the first time.
Image.queryCache = queryCache;
/**
* Resolves an asset reference into an object.
*
* See https://reactnative.dev/docs/image#resolveassetsource
*/
// $FlowFixMe[incompatible-use] This property isn't writable but we're actually defining it here for the first time.
Image.resolveAssetSource = resolveAssetSource;
const styles = StyleSheet.create({
base: {
overflow: 'hidden',
},
});
module.exports = Image;