jiuyiUniapp/service/node_modules/react-native/Libraries/Animated/nodes/AnimatedWithChildren.js

86 lines
2.4 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 strict-local
* @format
*/
'use strict';
import type {PlatformConfig} from '../AnimatedPlatformConfig';
import NativeAnimatedHelper from '../../../src/private/animated/NativeAnimatedHelper';
import AnimatedNode from './AnimatedNode';
const {connectAnimatedNodes, disconnectAnimatedNodes} =
NativeAnimatedHelper.API;
export default class AnimatedWithChildren extends AnimatedNode {
_children: Array<AnimatedNode> = [];
__makeNative(platformConfig: ?PlatformConfig) {
if (!this.__isNative) {
this.__isNative = true;
const children = this._children;
let length = children.length;
if (length > 0) {
for (let ii = 0; ii < length; ii++) {
const child = children[ii];
child.__makeNative(platformConfig);
connectAnimatedNodes(this.__getNativeTag(), child.__getNativeTag());
}
}
}
super.__makeNative(platformConfig);
}
__addChild(child: AnimatedNode): void {
if (this._children.length === 0) {
this.__attach();
}
this._children.push(child);
if (this.__isNative) {
// Only accept "native" animated nodes as children
child.__makeNative(this.__getPlatformConfig());
connectAnimatedNodes(this.__getNativeTag(), child.__getNativeTag());
}
}
__removeChild(child: AnimatedNode): void {
const index = this._children.indexOf(child);
if (index === -1) {
console.warn("Trying to remove a child that doesn't exist");
return;
}
if (this.__isNative && child.__isNative) {
disconnectAnimatedNodes(this.__getNativeTag(), child.__getNativeTag());
}
this._children.splice(index, 1);
if (this._children.length === 0) {
this.__detach();
}
}
__getChildren(): $ReadOnlyArray<AnimatedNode> {
return this._children;
}
__callListeners(value: number): void {
super.__callListeners(value);
if (!this.__isNative) {
const children = this._children;
for (let ii = 0, length = children.length; ii < length; ii++) {
const child = children[ii];
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
if (child.__getValue) {
child.__callListeners(child.__getValue());
}
}
}
}
}