mirror of
https://github.com/element-hq/element-web.git
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92 lines
3.1 KiB
JavaScript
92 lines
3.1 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import createReactClass from 'create-react-class';
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import * as sdk from './index';
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import PropTypes from 'prop-types';
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import { _t } from './languageHandler';
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/**
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* Wrap an asynchronous loader function with a react component which shows a
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* spinner until the real component loads.
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*/
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export default createReactClass({
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propTypes: {
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/** A promise which resolves with the real component
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*/
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prom: PropTypes.object.isRequired,
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},
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getInitialState: function() {
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return {
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component: null,
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error: null,
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};
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},
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componentWillMount: function() {
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this._unmounted = false;
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// XXX: temporary logging to try to diagnose
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// https://github.com/vector-im/riot-web/issues/3148
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console.log('Starting load of AsyncWrapper for modal');
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this.props.prom.then((result) => {
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if (this._unmounted) {
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return;
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}
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// Take the 'default' member if it's there, then we support
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// passing in just an import()ed module, since ES6 async import
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// always returns a module *namespace*.
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const component = result.default ? result.default : result;
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this.setState({component});
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}).catch((e) => {
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console.warn('AsyncWrapper promise failed', e);
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this.setState({error: e});
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});
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},
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componentWillUnmount: function() {
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this._unmounted = true;
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},
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_onWrapperCancelClick: function() {
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this.props.onFinished(false);
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},
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render: function() {
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if (this.state.component) {
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const Component = this.state.component;
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return <Component {...this.props} />;
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} else if (this.state.error) {
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const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
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const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
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return <BaseDialog onFinished={this.props.onFinished}
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title={_t("Error")}
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>
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{_t("Unable to load! Check your network connectivity and try again.")}
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<DialogButtons primaryButton={_t("Dismiss")}
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onPrimaryButtonClick={this._onWrapperCancelClick}
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hasCancel={false}
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/>
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</BaseDialog>;
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} else {
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// show a spinner until the component is loaded.
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const Spinner = sdk.getComponent("elements.Spinner");
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return <Spinner />;
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}
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},
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});
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