mirror of
https://github.com/element-hq/element-web.git
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585 lines
22 KiB
JavaScript
585 lines
22 KiB
JavaScript
/**
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Copyright 2017 Vector Creations Ltd
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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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'use strict';
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import url from 'url';
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import qs from 'querystring';
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import React from 'react';
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import MatrixClientPeg from '../../../MatrixClientPeg';
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import PlatformPeg from '../../../PlatformPeg';
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import ScalarAuthClient from '../../../ScalarAuthClient';
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import WidgetMessaging from '../../../WidgetMessaging';
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import TintableSvgButton from './TintableSvgButton';
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import SdkConfig from '../../../SdkConfig';
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import Modal from '../../../Modal';
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import { _t, _td } from '../../../languageHandler';
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import sdk from '../../../index';
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import AppPermission from './AppPermission';
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import AppWarning from './AppWarning';
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import MessageSpinner from './MessageSpinner';
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import WidgetUtils from '../../../WidgetUtils';
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import dis from '../../../dispatcher';
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const ALLOWED_APP_URL_SCHEMES = ['https:', 'http:'];
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export default class AppTile extends React.Component {
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static displayName ='AppTile';
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constructor(props) {
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super(props);
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this.state = this._getNewState(props);
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this._onWidgetAction = this._onWidgetAction.bind(this);
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this._onMessage = this._onMessage.bind(this);
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this._onLoaded = this._onLoaded.bind(this);
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this._onEditClick = this._onEditClick.bind(this);
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this._onDeleteClick = this._onDeleteClick.bind(this);
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this._onSnapshotClick = this._onSnapshotClick.bind(this);
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this.onClickMenuBar = this.onClickMenuBar.bind(this);
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}
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/**
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* Set initial component state when the App wUrl (widget URL) is being updated.
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* Component props *must* be passed (rather than relying on this.props).
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* @param {Object} newProps The new properties of the component
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* @return {Object} Updated component state to be set with setState
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*/
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_getNewState(newProps) {
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const widgetPermissionId = [newProps.room.roomId, encodeURIComponent(newProps.url)].join('_');
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const hasPermissionToLoad = localStorage.getItem(widgetPermissionId);
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return {
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initialising: true, // True while we are mangling the widget URL
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loading: this.props.waitForIframeLoad, // True while the iframe content is loading
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widgetUrl: this._addWurlParams(newProps.url),
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widgetPermissionId: widgetPermissionId,
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// Assume that widget has permission to load if we are the user who
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// added it to the room, or if explicitly granted by the user
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hasPermissionToLoad: hasPermissionToLoad === 'true' || newProps.userId === newProps.creatorUserId,
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error: null,
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deleting: false,
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widgetPageTitle: newProps.widgetPageTitle,
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capabilities: [],
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};
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}
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/**
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* Does the widget support a given capability
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* @param {[type]} capability Capability to check for
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* @return {Boolean} True if capability supported
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*/
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_hasCapability(capability) {
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return this.state.capabilities.some((c) => {return c === capability;});
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}
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/**
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* Add widget instance specific parameters to pass in wUrl
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* Properties passed to widget instance:
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* - widgetId
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* - origin / parent URL
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* @param {string} urlString Url string to modify
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* @return {string}
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* Url string with parameters appended.
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* If url can not be parsed, it is returned unmodified.
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*/
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_addWurlParams(urlString) {
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const u = url.parse(urlString);
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if (!u) {
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console.error("_addWurlParams", "Invalid URL", urlString);
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return url;
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}
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const params = qs.parse(u.query);
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// Append widget ID to query parameters
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params.widgetId = this.props.id;
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// Append current / parent URL
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params.parentUrl = window.location.href;
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u.search = undefined;
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u.query = params;
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return u.format();
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}
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/**
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* Returns true if specified url is a scalar URL, typically https://scalar.vector.im/api
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* @param {[type]} url URL to check
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* @return {Boolean} True if specified URL is a scalar URL
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*/
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isScalarUrl(url) {
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if (!url) {
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console.error('Scalar URL check failed. No URL specified');
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return false;
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}
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let scalarUrls = SdkConfig.get().integrations_widgets_urls;
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if (!scalarUrls || scalarUrls.length == 0) {
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scalarUrls = [SdkConfig.get().integrations_rest_url];
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}
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for (let i = 0; i < scalarUrls.length; i++) {
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if (url.startsWith(scalarUrls[i])) {
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return true;
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}
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}
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return false;
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}
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isMixedContent() {
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const parentContentProtocol = window.location.protocol;
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const u = url.parse(this.props.url);
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const childContentProtocol = u.protocol;
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if (parentContentProtocol === 'https:' && childContentProtocol !== 'https:') {
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console.warn("Refusing to load mixed-content app:",
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parentContentProtocol, childContentProtocol, window.location, this.props.url);
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return true;
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}
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return false;
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}
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componentWillMount() {
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this.setScalarToken();
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}
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componentDidMount() {
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// Legacy Jitsi widget messaging -- TODO replace this with standard widget
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// postMessaging API
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window.addEventListener('message', this._onMessage, false);
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// General event handler
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this.dispatcherRef = dis.register(this._onWidgetAction);
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}
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/**
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* Adds a scalar token to the widget URL, if required
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* Component initialisation is only complete when this function has resolved
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*/
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setScalarToken() {
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this.setState({initialising: true});
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if (!this.isScalarUrl(this.props.url)) {
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console.warn('Non-scalar widget, not setting scalar token!', url);
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this.setState({
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error: null,
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widgetUrl: this._addWurlParams(this.props.url),
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initialising: false,
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});
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return;
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}
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// Fetch the token before loading the iframe as we need it to mangle the URL
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if (!this._scalarClient) {
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this._scalarClient = new ScalarAuthClient();
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}
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this._scalarClient.getScalarToken().done((token) => {
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// Append scalar_token as a query param if not already present
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this._scalarClient.scalarToken = token;
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const u = url.parse(this._addWurlParams(this.props.url));
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const params = qs.parse(u.query);
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if (!params.scalar_token) {
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params.scalar_token = encodeURIComponent(token);
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// u.search must be set to undefined, so that u.format() uses query paramerters - https://nodejs.org/docs/latest/api/url.html#url_url_format_url_options
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u.search = undefined;
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u.query = params;
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}
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this.setState({
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error: null,
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widgetUrl: u.format(),
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initialising: false,
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});
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// Fetch page title from remote content if not already set
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if (!this.state.widgetPageTitle && params.url) {
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this._fetchWidgetTitle(params.url);
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}
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}, (err) => {
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console.error("Failed to get scalar_token", err);
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this.setState({
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error: err.message,
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initialising: false,
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});
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});
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}
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componentWillUnmount() {
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// Widget action listeners
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dis.unregister(this.dispatcherRef);
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// Widget postMessage listeners
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try {
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if (this.widgetMessaging) {
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this.widgetMessaging.stopListening();
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this.widgetMessaging.removeEndpoint(this.props.id, this.props.url);
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}
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} catch (e) {
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console.error('Failed to stop listening for widgetMessaging events', e.message);
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}
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// Jitsi listener
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window.removeEventListener('message', this._onMessage);
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}
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componentWillReceiveProps(nextProps) {
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if (nextProps.url !== this.props.url) {
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this._getNewState(nextProps);
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this.setScalarToken();
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} else if (nextProps.show && !this.props.show && this.props.waitForIframeLoad) {
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this.setState({
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loading: true,
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});
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} else if (nextProps.widgetPageTitle !== this.props.widgetPageTitle) {
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this.setState({
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widgetPageTitle: nextProps.widgetPageTitle,
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});
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}
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}
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// Legacy Jitsi widget messaging
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// TODO -- This should be replaced with the new widget postMessaging API
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_onMessage(event) {
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if (this.props.type !== 'jitsi') {
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return;
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}
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if (!event.origin) {
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event.origin = event.originalEvent.origin;
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}
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if (!this.state.widgetUrl.startsWith(event.origin)) {
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return;
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}
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if (event.data.widgetAction === 'jitsi_iframe_loaded') {
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const iframe = this.refs.appFrame.contentWindow
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.document.querySelector('iframe[id^="jitsiConferenceFrame"]');
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PlatformPeg.get().setupScreenSharingForIframe(iframe);
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}
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}
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_canUserModify() {
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return WidgetUtils.canUserModifyWidgets(this.props.room.roomId);
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}
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_onEditClick(e) {
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console.log("Edit widget ID ", this.props.id);
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const IntegrationsManager = sdk.getComponent("views.settings.IntegrationsManager");
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const src = this._scalarClient.getScalarInterfaceUrlForRoom(
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this.props.room.roomId, 'type_' + this.props.type, this.props.id);
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Modal.createTrackedDialog('Integrations Manager', '', IntegrationsManager, {
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src: src,
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}, "mx_IntegrationsManager");
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}
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_onSnapshotClick(e) {
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console.warn("Requesting widget snapshot");
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this.widgetMessaging.getScreenshot().then((screenshot) => {
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dis.dispatch({
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action: 'picture_snapshot',
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file: screenshot,
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}, true);
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}).catch((err) => {
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console.error("Failed to get screenshot", err);
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});
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}
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/* If user has permission to modify widgets, delete the widget,
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* otherwise revoke access for the widget to load in the user's browser
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*/
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_onDeleteClick() {
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if (this._canUserModify()) {
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// Show delete confirmation dialog
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const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
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Modal.createTrackedDialog('Delete Widget', '', QuestionDialog, {
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title: _t("Delete Widget"),
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description: _t(
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"Deleting a widget removes it for all users in this room." +
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" Are you sure you want to delete this widget?"),
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button: _t("Delete widget"),
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onFinished: (confirmed) => {
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if (!confirmed) {
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return;
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}
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this.setState({deleting: true});
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MatrixClientPeg.get().sendStateEvent(
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this.props.room.roomId,
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'im.vector.modular.widgets',
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{}, // empty content
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this.props.id,
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).catch((e) => {
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console.error('Failed to delete widget', e);
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this.setState({deleting: false});
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});
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},
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});
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} else {
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console.log("Revoke widget permissions - %s", this.props.id);
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this._revokeWidgetPermission();
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}
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}
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/**
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* Called when widget iframe has finished loading
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*/
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_onLoaded() {
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console.warn("App frame loaded", this.props.id);
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this.widgetMessaging = new WidgetMessaging(this.props.id, this.refs.appFrame.contentWindow);
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this.widgetMessaging.startListening();
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this.widgetMessaging.addEndpoint(this.props.id, this.props.url);
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this.widgetMessaging.getCapabilities().then((capabilities) => {
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console.log("Got widget capabilities", this.props.id, capabilities);
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capabilities = capabilities || [];
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this.setState({capabilities});
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}).catch((err) => {
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console.log("Failed to get widget capabilities", this.widgetId, err);
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});
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this.setState({loading: false});
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}
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_onWidgetAction(payload) {
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if (payload.widgetId === this.props.id) {
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switch (payload.action) {
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case 'sticker_message':
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if (this._hasCapability('sticker_message')) {
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dis.dispatch({action: 'post_sticker_message', data: payload.data});
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} else {
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console.warn('Ignoring sticker message. Invalid capability');
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}
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break;
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}
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}
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}
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/**
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* Set remote content title on AppTile
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* @param {string} url Url to check for title
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*/
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_fetchWidgetTitle(url) {
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this._scalarClient.getScalarPageTitle(url).then((widgetPageTitle) => {
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if (widgetPageTitle) {
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this.setState({widgetPageTitle: widgetPageTitle});
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}
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}, (err) =>{
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console.error("Failed to get page title", err);
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});
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}
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// Widget labels to render, depending upon user permissions
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// These strings are translated at the point that they are inserted in to the DOM, in the render method
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_deleteWidgetLabel() {
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if (this._canUserModify()) {
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return _td('Delete widget');
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}
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return _td('Revoke widget access');
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}
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/* TODO -- Store permission in account data so that it is persisted across multiple devices */
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_grantWidgetPermission() {
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console.warn('Granting permission to load widget - ', this.state.widgetUrl);
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localStorage.setItem(this.state.widgetPermissionId, true);
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this.setState({hasPermissionToLoad: true});
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}
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_revokeWidgetPermission() {
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console.warn('Revoking permission to load widget - ', this.state.widgetUrl);
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localStorage.removeItem(this.state.widgetPermissionId);
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this.setState({hasPermissionToLoad: false});
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}
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formatAppTileName() {
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let appTileName = "No name";
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if (this.props.name && this.props.name.trim()) {
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appTileName = this.props.name.trim();
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}
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return appTileName;
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}
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onClickMenuBar(ev) {
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ev.preventDefault();
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// Ignore clicks on menu bar children
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if (ev.target !== this.refs.menu_bar) {
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return;
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}
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// Toggle the view state of the apps drawer
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dis.dispatch({
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action: 'appsDrawer',
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show: !this.props.show,
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});
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}
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_getSafeUrl() {
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const parsedWidgetUrl = url.parse(this.state.widgetUrl);
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let safeWidgetUrl = '';
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if (ALLOWED_APP_URL_SCHEMES.indexOf(parsedWidgetUrl.protocol) !== -1) {
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safeWidgetUrl = url.format(parsedWidgetUrl);
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}
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return safeWidgetUrl;
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}
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render() {
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let appTileBody;
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// Don't render widget if it is in the process of being deleted
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if (this.state.deleting) {
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return <div></div>;
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}
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// Note that there is advice saying allow-scripts shouldn't be used with allow-same-origin
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// because that would allow the iframe to prgramatically remove the sandbox attribute, but
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// this would only be for content hosted on the same origin as the riot client: anything
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// hosted on the same origin as the client will get the same access as if you clicked
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// a link to it.
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const sandboxFlags = "allow-forms allow-popups allow-popups-to-escape-sandbox "+
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"allow-same-origin allow-scripts allow-presentation";
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if (this.props.show) {
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const loadingElement = (
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<div className='mx_AppTileBody mx_AppLoading'>
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<MessageSpinner msg='Loading...' />
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</div>
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);
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if (this.state.initialising) {
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appTileBody = loadingElement;
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} else if (this.state.hasPermissionToLoad == true) {
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if (this.isMixedContent()) {
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appTileBody = (
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<div className="mx_AppTileBody">
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<AppWarning errorMsg="Error - Mixed content" />
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</div>
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);
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} else {
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appTileBody = (
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<div className={this.state.loading ? 'mx_AppTileBody mx_AppLoading' : 'mx_AppTileBody'}>
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{ this.state.loading && loadingElement }
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<iframe
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ref="appFrame"
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src={this._getSafeUrl()}
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allowFullScreen="true"
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sandbox={sandboxFlags}
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onLoad={this._onLoaded}
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></iframe>
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</div>
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);
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}
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} else {
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const isRoomEncrypted = MatrixClientPeg.get().isRoomEncrypted(this.props.room.roomId);
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appTileBody = (
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<div className="mx_AppTileBody">
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<AppPermission
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isRoomEncrypted={isRoomEncrypted}
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url={this.state.widgetUrl}
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onPermissionGranted={this._grantWidgetPermission}
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/>
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</div>
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);
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}
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}
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// editing is done in scalar
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const showEditButton = Boolean(this._scalarClient && this._canUserModify());
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const deleteWidgetLabel = this._deleteWidgetLabel();
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let deleteIcon = 'img/cancel_green.svg';
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let deleteClasses = 'mx_AppTileMenuBarWidget';
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if (this._canUserModify()) {
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deleteIcon = 'img/icon-delete-pink.svg';
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deleteClasses += ' mx_AppTileMenuBarWidgetDelete';
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}
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// Picture snapshot - only show button when apps are maximised.
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const showPictureSnapshotButton = this._hasCapability('screenshot') && this.props.show;
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const showPictureSnapshotIcon = 'img/camera_green.svg';
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const windowStateIcon = (this.props.show ? 'img/minimize.svg' : 'img/maximize.svg');
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return (
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<div className={this.props.fullWidth ? "mx_AppTileFullWidth" : "mx_AppTile"} id={this.props.id}>
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{ this.props.showMenubar &&
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<div ref="menu_bar" className="mx_AppTileMenuBar" onClick={this.onClickMenuBar}>
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<span className="mx_AppTileMenuBarTitle">
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<TintableSvgButton
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src={windowStateIcon}
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className="mx_AppTileMenuBarWidget mx_AppTileMenuBarWidgetPadding"
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title={_t('Minimize apps')}
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width="10"
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height="10"
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/>
|
|
<b>{ this.formatAppTileName() }</b>
|
|
{ this.state.widgetPageTitle && this.state.widgetPageTitle != this.formatAppTileName() && (
|
|
<span> - { this.state.widgetPageTitle }</span>
|
|
) }
|
|
</span>
|
|
<span className="mx_AppTileMenuBarWidgets">
|
|
{ /* Snapshot widget */ }
|
|
{ showPictureSnapshotButton && <TintableSvgButton
|
|
src={showPictureSnapshotIcon}
|
|
className="mx_AppTileMenuBarWidget mx_AppTileMenuBarWidgetPadding"
|
|
title={_t('Picture')}
|
|
onClick={this._onSnapshotClick}
|
|
width="10"
|
|
height="10"
|
|
/> }
|
|
|
|
{ /* Edit widget */ }
|
|
{ showEditButton && <TintableSvgButton
|
|
src="img/edit_green.svg"
|
|
className="mx_AppTileMenuBarWidget mx_AppTileMenuBarWidgetPadding"
|
|
title={_t('Edit')}
|
|
onClick={this._onEditClick}
|
|
width="10"
|
|
height="10"
|
|
/> }
|
|
|
|
{ /* Delete widget */ }
|
|
<TintableSvgButton
|
|
src={deleteIcon}
|
|
className={deleteClasses}
|
|
title={_t(deleteWidgetLabel)}
|
|
onClick={this._onDeleteClick}
|
|
width="10"
|
|
height="10"
|
|
/>
|
|
</span>
|
|
</div> }
|
|
{ appTileBody }
|
|
</div>
|
|
);
|
|
}
|
|
}
|
|
|
|
AppTile.propTypes = {
|
|
id: React.PropTypes.string.isRequired,
|
|
url: React.PropTypes.string.isRequired,
|
|
name: React.PropTypes.string.isRequired,
|
|
room: React.PropTypes.object.isRequired,
|
|
type: React.PropTypes.string.isRequired,
|
|
// Specifying 'fullWidth' as true will render the app tile to fill the width of the app drawer continer.
|
|
// This should be set to true when there is only one widget in the app drawer, otherwise it should be false.
|
|
fullWidth: React.PropTypes.bool,
|
|
// UserId of the current user
|
|
userId: React.PropTypes.string.isRequired,
|
|
// UserId of the entity that added / modified the widget
|
|
creatorUserId: React.PropTypes.string,
|
|
waitForIframeLoad: React.PropTypes.bool,
|
|
showMenubar: React.PropTypes.bool,
|
|
// Should the AppTile render itself
|
|
show: React.PropTypes.bool,
|
|
};
|
|
|
|
AppTile.defaultProps = {
|
|
url: "",
|
|
waitForIframeLoad: true,
|
|
showMenubar: true,
|
|
};
|