56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
/**
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD-style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*
|
|
* @providesModule InteractionMixin
|
|
* @flow
|
|
*/
|
|
'use strict';
|
|
|
|
var InteractionManager = require('InteractionManager');
|
|
|
|
/**
|
|
* This mixin provides safe versions of InteractionManager start/end methods
|
|
* that ensures `clearInteractionHandle` is always called
|
|
* once per start, even if the component is unmounted.
|
|
*/
|
|
var InteractionMixin = {
|
|
componentWillUnmount: function() {
|
|
while (this._interactionMixinHandles.length) {
|
|
InteractionManager.clearInteractionHandle(
|
|
this._interactionMixinHandles.pop()
|
|
);
|
|
}
|
|
},
|
|
|
|
_interactionMixinHandles: ([]: Array<number>),
|
|
|
|
createInteractionHandle: function() {
|
|
var handle = InteractionManager.createInteractionHandle();
|
|
this._interactionMixinHandles.push(handle);
|
|
return handle;
|
|
},
|
|
|
|
clearInteractionHandle: function(clearHandle: number) {
|
|
InteractionManager.clearInteractionHandle(clearHandle);
|
|
this._interactionMixinHandles = this._interactionMixinHandles.filter(
|
|
handle => handle !== clearHandle
|
|
);
|
|
},
|
|
|
|
/**
|
|
* Schedule work for after all interactions have completed.
|
|
*
|
|
* @param {function} callback
|
|
*/
|
|
runAfterInteractions: function(callback: Function) {
|
|
InteractionManager.runAfterInteractions(callback);
|
|
},
|
|
};
|
|
|
|
module.exports = InteractionMixin;
|