jiuyiUniapp/service/node_modules/react-native/Libraries/ReactNative/UIManager.js

194 lines
5.4 KiB
JavaScript

/**
* 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
* @format
*/
import type {UIManagerJSInterface} from '../Types/UIManagerJSInterface';
import {getFabricUIManager} from './FabricUIManager';
import nullthrows from 'nullthrows';
function isFabricReactTag(reactTag: number): boolean {
// React reserves even numbers for Fabric.
return reactTag % 2 === 0;
}
const UIManagerImpl: UIManagerJSInterface =
global.RN$Bridgeless === true
? require('./BridgelessUIManager')
: require('./PaperUIManager');
// $FlowFixMe[cannot-spread-interface]
const UIManager: UIManagerJSInterface = {
...UIManagerImpl,
measure(
reactTag: number,
callback: (
left: number,
top: number,
width: number,
height: number,
pageX: number,
pageY: number,
) => void,
): void {
if (isFabricReactTag(reactTag)) {
const FabricUIManager = nullthrows(getFabricUIManager());
const shadowNode =
FabricUIManager.findShadowNodeByTag_DEPRECATED(reactTag);
if (shadowNode) {
FabricUIManager.measure(shadowNode, callback);
} else {
console.warn(`measure cannot find view with tag #${reactTag}`);
// $FlowFixMe[incompatible-call]
callback();
}
} else {
// Paper
UIManagerImpl.measure(reactTag, callback);
}
},
measureInWindow(
reactTag: number,
callback: (
left: number,
top: number,
width: number,
height: number,
) => void,
): void {
if (isFabricReactTag(reactTag)) {
const FabricUIManager = nullthrows(getFabricUIManager());
const shadowNode =
FabricUIManager.findShadowNodeByTag_DEPRECATED(reactTag);
if (shadowNode) {
FabricUIManager.measureInWindow(shadowNode, callback);
} else {
console.warn(`measure cannot find view with tag #${reactTag}`);
// $FlowFixMe[incompatible-call]
callback();
}
} else {
// Paper
UIManagerImpl.measureInWindow(reactTag, callback);
}
},
measureLayout(
reactTag: number,
ancestorReactTag: number,
errorCallback: (error: Object) => void,
callback: (
left: number,
top: number,
width: number,
height: number,
) => void,
): void {
if (isFabricReactTag(reactTag)) {
const FabricUIManager = nullthrows(getFabricUIManager());
const shadowNode =
FabricUIManager.findShadowNodeByTag_DEPRECATED(reactTag);
const ancestorShadowNode =
FabricUIManager.findShadowNodeByTag_DEPRECATED(ancestorReactTag);
if (!shadowNode || !ancestorShadowNode) {
return;
}
FabricUIManager.measureLayout(
shadowNode,
ancestorShadowNode,
errorCallback,
callback,
);
} else {
// Paper
UIManagerImpl.measureLayout(
reactTag,
ancestorReactTag,
errorCallback,
callback,
);
}
},
measureLayoutRelativeToParent(
reactTag: number,
errorCallback: (error: Object) => void,
callback: (
left: number,
top: number,
width: number,
height: number,
) => void,
): void {
if (isFabricReactTag(reactTag)) {
console.warn(
'RCTUIManager.measureLayoutRelativeToParent method is deprecated and it will not be implemented in newer versions of RN (Fabric) - T47686450',
);
const FabricUIManager = nullthrows(getFabricUIManager());
const shadowNode =
FabricUIManager.findShadowNodeByTag_DEPRECATED(reactTag);
if (shadowNode) {
FabricUIManager.measure(
shadowNode,
(left, top, width, height, pageX, pageY) => {
callback(left, top, width, height);
},
);
}
} else {
// Paper
UIManagerImpl.measureLayoutRelativeToParent(
reactTag,
errorCallback,
callback,
);
}
},
dispatchViewManagerCommand(
reactTag: number,
commandName: number | string,
commandArgs: any[],
) {
// Sometimes, libraries directly pass in the output of `findNodeHandle` to
// this function without checking if it's null. This guards against that
// case. We throw early here in Javascript so we can get a JS stacktrace
// instead of a harder-to-debug native Java or Objective-C stacktrace.
if (typeof reactTag !== 'number') {
throw new Error('dispatchViewManagerCommand: found null reactTag');
}
if (isFabricReactTag(reactTag)) {
const FabricUIManager = nullthrows(getFabricUIManager());
const shadowNode =
FabricUIManager.findShadowNodeByTag_DEPRECATED(reactTag);
if (shadowNode) {
// Transform the accidental CommandID into a CommandName which is the stringified number.
// The interop layer knows how to convert this number into the right method name.
// Stringify a string is a no-op, so it's safe.
commandName = `${commandName}`;
FabricUIManager.dispatchCommand(shadowNode, commandName, commandArgs);
}
} else {
UIManagerImpl.dispatchViewManagerCommand(
reactTag,
// We have some legacy components that are actually already using strings. ¯\_(ツ)_/¯
// $FlowFixMe[incompatible-call]
commandName,
commandArgs,
);
}
},
};
module.exports = UIManager;