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+// @flow
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+import React, { PureComponent } from 'react';
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+import { connect } from '../../base/redux';
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+import { Icon, IconClose } from '../../base/icons';
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+import { translate } from '../../base/i18n';
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+import { getCurrentConference } from '../../base/conference/functions';
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+
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+/**
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+ * Local storage key name for flag telling if user checked 'Don't show again' checkbox on the banner
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+ * If the user checks this before closing the banner, next time he will access a jitsi domain
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+ * the banner will not be shown regardless of extensions being installed or not.
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+ */
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+const DONT_SHOW_AGAIN_CHECKED = 'hide_chrome_extension_banner';
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+
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+/**
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+ * The type of the React {@code PureComponent} props of {@link ChromeExtensionBanner}.
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+ */
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+type Props = {
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+
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+ /**
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+ * Conference data, if any
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+ */
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+ conference: Object,
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+
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+ /**
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+ * The url of the chrome extension
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+ */
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+ chromeExtensionUrl: string,
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+
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+ /**
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+ * An array containing info for identifying a chrome extension
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+ */
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+ chromeExtensionsInfo: Array<Object>,
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+
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+ /**
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+ * Invoked to obtain translated strings.
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+ */
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+ t: Function,
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+};
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+
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+/**
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+ * The type of the React {@link PureComponent} state of {@link ChromeExtensionBanner}.
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+ */
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+type State = {
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+
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+ /**
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+ * Keeps the current value of dont show again checkbox
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+ */
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+ dontShowAgainChecked: boolean,
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+
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+ /**
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+ * Tells whether user pressed install extension or close button.
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+ */
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+ closePressed: boolean,
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+
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+ /**
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+ * Tells whether should show the banner or not based on extension being installed or not.
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+ */
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+ shouldShow: boolean,
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+};
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+
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+/**
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+ * Implements a React {@link PureComponent} which displays a banner having a link to the chrome extension.
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+ * @class ChromeExtensionBanner
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+ * @extends PureComponent
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+ */
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+class ChromeExtensionBanner extends PureComponent<Props, State> {
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+ /**
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+ * Initializes a new {@code ChromeExtensionBanner} instance.
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+ *
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+ * @param {Object} props - The read-only React {@code PureComponent} props with
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+ * which the new instance is to be initialized.
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+ */
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+ constructor(props: Props) {
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+ super(props);
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+ this.state = {
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+ dontShowAgainChecked: false,
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+ closePressed: false,
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+ shouldShow: false
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+ };
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+
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+ this._onClosePressed = this._onClosePressed.bind(this);
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+ this._onInstallExtensionClick = this._onInstallExtensionClick.bind(this);
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+ this._checkExtensionsInstalled = this._checkExtensionsInstalled.bind(this);
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+ this._shouldNotRender = this._shouldNotRender.bind(this);
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+ this._onDontShowAgainChange = this._onDontShowAgainChange.bind(this);
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+ }
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+
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+ /**
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+ * Executed on component update.
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+ * Checks whether any chrome extension from the config is installed.
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+ *
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+ * @inheritdoc
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+ */
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+ async componentDidUpdate() {
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+ const hasExtensions = await this._checkExtensionsInstalled();
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+
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+ if (
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+ hasExtensions
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+ && hasExtensions.length
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+ && hasExtensions.every(ext => !ext)
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+ && !this.state.shouldShow
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+ ) {
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+ this.setState({ shouldShow: true }); // eslint-disable-line
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+ }
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+ }
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+
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+ _onClosePressed: () => void;
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+
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+ /**
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+ * Closes the banner for the current session.
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+ *
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+ * @returns {void}
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+ */
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+ _onClosePressed() {
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+ this.setState({ closePressed: true });
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+ }
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+
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+ _onInstallExtensionClick: () => void;
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+
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+ /**
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+ * Opens the chrome extension page.
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+ *
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+ * @returns {void}
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+ */
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+ _onInstallExtensionClick() {
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+ window.open(this.props.chromeExtensionUrl);
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+ this.setState({ closePressed: true });
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+ }
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+
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+ _checkExtensionsInstalled: () => Promise<*>;
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+
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+ /**
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+ * Checks whether the chrome extensions defined in the config file are installed or not.
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+ *
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+ * @returns {Promise[]}
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+ */
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+ _checkExtensionsInstalled() {
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+ const isExtensionInstalled = info => new Promise(resolve => {
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+ const img = new Image();
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+
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+ img.src = `chrome-extension://${info.id}/${info.path}`;
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+ img.onload = function() {
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+ resolve(true);
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+ };
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+ img.onerror = function() {
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+ resolve(false);
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+ };
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+ });
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+ const extensionInstalledFunction = info => isExtensionInstalled(info);
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+
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+ if (!this.props.chromeExtensionsInfo.length) {
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+ console.warn('Further configuration needed, missing chrome extension(s) info');
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+ }
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+
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+ return Promise.all(
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+ this.props.chromeExtensionsInfo.map(info => extensionInstalledFunction(info))
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+ );
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+ }
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+
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+ _shouldNotRender: () => boolean;
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+
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+ /**
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+ * Checks whether the banner should be displayed based on:
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+ * Whether there is a configuration issue with the chrome extensions data.
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+ * Whether the user checked don't show again checkbox in a previous session.
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+ * Whether the user closed the banner.
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+ * Whether the extension is already installed.
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+ *
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+ * @returns {boolean} whether to show the banner or not.
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+ */
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+ _shouldNotRender() {
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+ if (!this.props.chromeExtensionUrl) {
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+ console.warn('Further configuration needed, missing chrome extension URL');
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+
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+ return true;
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+ }
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+
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+ const dontShowAgain = localStorage.getItem(DONT_SHOW_AGAIN_CHECKED) === 'true';
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+
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+ return dontShowAgain
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+ || this.state.closePressed
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+ || !this.state.shouldShow;
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+ }
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+
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+ _onDontShowAgainChange: (object: Object) => void;
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+
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+ /**
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+ * Handles the current `don't show again` checkbox state.
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+ *
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+ * @param {Object} event - Input change event.
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+ * @returns {void}
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+ */
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+ _onDontShowAgainChange(event) {
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+ this.setState({ dontShowAgainChecked: event.target.checked });
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+ }
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+
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+ /**
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+ * Implements React's {@link PureComponent#render()}.
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+ *
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+ * @inheritdoc
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+ * @returns {ReactElement}
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+ */
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+ render() {
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+ if (this._shouldNotRender()) {
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+ if (this.state.dontShowAgainChecked) {
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+ localStorage.setItem(DONT_SHOW_AGAIN_CHECKED, 'true');
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+ }
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+
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+ return null;
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+ }
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+ const { t } = this.props;
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+ const mainClassNames = this.props.conference
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+ ? 'chrome-extension-banner chrome-extension-banner__pos_in_meeting'
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+ : 'chrome-extension-banner';
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+
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+ return (
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+ <div className = { mainClassNames }>
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+ <div className = 'chrome-extension-banner__container'>
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+ <div
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+ className = 'chrome-extension-banner__icon-container' />
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+ <div
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+ className = 'chrome-extension-banner__text-container'>
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+ { t('chromeExtensionBanner.installExtensionText') }
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+ </div>
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+ <div
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+ className = 'chrome-extension-banner__close-container'
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+ onClick = { this._onClosePressed }>
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+ <Icon
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+ className = 'gray'
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+ size = { 12 }
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+ src = { IconClose } />
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+ </div>
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+ </div>
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+ <div
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+ className = 'chrome-extension-banner__button-container'>
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+ <div
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+ className = 'chrome-extension-banner__button-open-url'
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+ onClick = { this._onInstallExtensionClick }>
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+ <div
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+ className = 'chrome-extension-banner__button-text'>
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+ { t('chromeExtensionBanner.buttonText') }
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+ </div>
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+ </div>
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+ </div>
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+ <div className = 'chrome-extension-banner__checkbox-container'>
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+ <label className = 'chrome-extension-banner__checkbox-label'>
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+ <input
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+ checked = { this.state.dontShowAgainChecked }
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+ onChange = { this._onDontShowAgainChange }
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+ type = 'checkbox' />
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+ { t('chromeExtensionBanner.dontShowAgain') }
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+ </label>
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+ </div>
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+ </div>
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+ );
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+ }
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+}
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+
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+/**
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+ * Function that maps parts of Redux state tree into component props.
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+ *
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+ * @param {Object} state - Redux state.
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+ * @returns {Object}
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+ */
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+const _mapStateToProps = state => {
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+ const bannerCfg = state['features/base/config'].chromeExtensionBanner || {};
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+
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+ return {
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+ chromeExtensionUrl: bannerCfg.url,
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+ chromeExtensionsInfo: bannerCfg.chromeExtensionsInfo || [],
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+ conference: getCurrentConference(state)
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+ };
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+};
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+
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+export default translate(connect(_mapStateToProps)(ChromeExtensionBanner));
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horymury
4 лет назад
