mirror of
https://github.com/element-hq/element-web
synced 2024-11-27 19:56:47 +03:00
53 lines
2 KiB
JavaScript
53 lines
2 KiB
JavaScript
/*
|
|
Copyright 2015, 2016 OpenMarket Ltd
|
|
Copyright 2017 New Vector Ltd
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
const flux = require("flux");
|
|
|
|
export default class MatrixDispatcher extends flux.Dispatcher {
|
|
/**
|
|
* @param {Object|function} payload Required. The payload to dispatch.
|
|
* If an Object, must contain at least an 'action' key.
|
|
* If a function, must have the signature (dispatch) => {...}.
|
|
* @param {boolean=} sync Optional. Pass true to dispatch
|
|
* synchronously. This is useful for anything triggering
|
|
* an operation that the browser requires user interaction
|
|
* for.
|
|
*/
|
|
dispatch(payload, sync) {
|
|
// Allow for asynchronous dispatching by accepting payloads that have the
|
|
// type `function (dispatch) {...}`
|
|
if (typeof payload === 'function') {
|
|
payload((action) => {
|
|
this.dispatch(action, sync);
|
|
});
|
|
return;
|
|
}
|
|
|
|
if (sync) {
|
|
super.dispatch(payload);
|
|
} else {
|
|
// Unless the caller explicitly asked for us to dispatch synchronously,
|
|
// we always set a timeout to do this: The flux dispatcher complains
|
|
// if you dispatch from within a dispatch, so rather than action
|
|
// handlers having to worry about not calling anything that might
|
|
// then dispatch, we just do dispatches asynchronously.
|
|
setTimeout(super.dispatch.bind(this, payload), 0);
|
|
}
|
|
}
|
|
}
|