96 lines
3.2 KiB
TypeScript
96 lines
3.2 KiB
TypeScript
/*
|
|
Copyright 2015-2021 The Matrix.org Foundation C.I.C.
|
|
|
|
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.
|
|
*/
|
|
|
|
import React, { ComponentType } from "react";
|
|
|
|
import * as sdk from './index';
|
|
import { _t } from './languageHandler';
|
|
import { IDialogProps } from "./components/views/dialogs/IDialogProps";
|
|
|
|
type AsyncImport<T> = { default: T };
|
|
|
|
interface IProps extends IDialogProps {
|
|
// A promise which resolves with the real component
|
|
prom: Promise<ComponentType | AsyncImport<ComponentType>>;
|
|
}
|
|
|
|
interface IState {
|
|
component?: ComponentType;
|
|
error?: Error;
|
|
}
|
|
|
|
/**
|
|
* Wrap an asynchronous loader function with a react component which shows a
|
|
* spinner until the real component loads.
|
|
*/
|
|
export default class AsyncWrapper extends React.Component<IProps, IState> {
|
|
private unmounted = false;
|
|
|
|
public state = {
|
|
component: null,
|
|
error: null,
|
|
};
|
|
|
|
componentDidMount() {
|
|
// XXX: temporary logging to try to diagnose
|
|
// https://github.com/vector-im/element-web/issues/3148
|
|
console.log('Starting load of AsyncWrapper for modal');
|
|
this.props.prom.then((result) => {
|
|
if (this.unmounted) return;
|
|
|
|
// Take the 'default' member if it's there, then we support
|
|
// passing in just an import()ed module, since ES6 async import
|
|
// always returns a module *namespace*.
|
|
const component = (result as AsyncImport<ComponentType>).default
|
|
? (result as AsyncImport<ComponentType>).default
|
|
: result as ComponentType;
|
|
this.setState({ component });
|
|
}).catch((e) => {
|
|
console.warn('AsyncWrapper promise failed', e);
|
|
this.setState({ error: e });
|
|
});
|
|
}
|
|
|
|
componentWillUnmount() {
|
|
this.unmounted = true;
|
|
}
|
|
|
|
private onWrapperCancelClick = () => {
|
|
this.props.onFinished(false);
|
|
};
|
|
|
|
render() {
|
|
if (this.state.component) {
|
|
const Component = this.state.component;
|
|
return <Component {...this.props} />;
|
|
} else if (this.state.error) {
|
|
const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
|
|
const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
|
|
return <BaseDialog onFinished={this.props.onFinished} title={_t("Error")}>
|
|
{ _t("Unable to load! Check your network connectivity and try again.") }
|
|
<DialogButtons primaryButton={_t("Dismiss")}
|
|
onPrimaryButtonClick={this.onWrapperCancelClick}
|
|
hasCancel={false}
|
|
/>
|
|
</BaseDialog>;
|
|
} else {
|
|
// show a spinner until the component is loaded.
|
|
const Spinner = sdk.getComponent("elements.Spinner");
|
|
return <Spinner />;
|
|
}
|
|
}
|
|
}
|
|
|