89 строки
2.3 KiB
JavaScript
89 строки
2.3 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict-local
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* @format
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*/
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'use strict';
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import type {PlatformConfig} from '../AnimatedPlatformConfig';
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import NativeAnimatedHelper from '../NativeAnimatedHelper';
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import AnimatedNode from './AnimatedNode';
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export default class AnimatedWithChildren extends AnimatedNode {
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_children: Array<AnimatedNode>;
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constructor() {
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super();
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this._children = [];
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}
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__makeNative(platformConfig: ?PlatformConfig) {
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if (!this.__isNative) {
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this.__isNative = true;
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for (const child of this._children) {
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child.__makeNative(platformConfig);
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NativeAnimatedHelper.API.connectAnimatedNodes(
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this.__getNativeTag(),
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child.__getNativeTag(),
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);
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}
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}
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super.__makeNative(platformConfig);
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}
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__addChild(child: AnimatedNode): void {
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if (this._children.length === 0) {
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this.__attach();
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}
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this._children.push(child);
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if (this.__isNative) {
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// Only accept "native" animated nodes as children
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child.__makeNative(this.__getPlatformConfig());
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NativeAnimatedHelper.API.connectAnimatedNodes(
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this.__getNativeTag(),
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child.__getNativeTag(),
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);
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}
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}
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__removeChild(child: AnimatedNode): void {
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const index = this._children.indexOf(child);
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if (index === -1) {
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console.warn("Trying to remove a child that doesn't exist");
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return;
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}
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if (this.__isNative && child.__isNative) {
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NativeAnimatedHelper.API.disconnectAnimatedNodes(
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this.__getNativeTag(),
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child.__getNativeTag(),
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);
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}
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this._children.splice(index, 1);
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if (this._children.length === 0) {
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this.__detach();
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}
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}
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__getChildren(): $ReadOnlyArray<AnimatedNode> {
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return this._children;
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}
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__callListeners(value: number): void {
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super.__callListeners(value);
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if (!this.__isNative) {
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for (const child of this._children) {
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// $FlowFixMe[method-unbinding] added when improving typing for this parameters
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if (child.__getValue) {
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child.__callListeners(child.__getValue());
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}
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}
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}
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}
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}
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