56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
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/**
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* Copyright (c) Facebook, Inc. and its 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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* @format
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* @flow
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*/
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'use strict';
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const InteractionManager = require('./InteractionManager');
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import {type Handle} from './InteractionManager';
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/**
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* This mixin provides safe versions of InteractionManager start/end methods
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* that ensures `clearInteractionHandle` is always called
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* once per start, even if the component is unmounted.
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*/
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const InteractionMixin = {
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componentWillUnmount: function() {
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while (this._interactionMixinHandles.length) {
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InteractionManager.clearInteractionHandle(
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this._interactionMixinHandles.pop(),
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);
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}
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},
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_interactionMixinHandles: ([]: Array<number>),
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createInteractionHandle: function(): Handle {
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const handle = InteractionManager.createInteractionHandle();
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this._interactionMixinHandles.push(handle);
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return handle;
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},
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clearInteractionHandle: function(clearHandle: number): void {
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InteractionManager.clearInteractionHandle(clearHandle);
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this._interactionMixinHandles = this._interactionMixinHandles.filter(
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handle => handle !== clearHandle,
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);
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},
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/**
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* Schedule work for after all interactions have completed.
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*
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* @param {function} callback
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*/
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runAfterInteractions: function(callback: Function): void {
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InteractionManager.runAfterInteractions(callback);
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},
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};
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module.exports = InteractionMixin;
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