jvc0/modules/UI/util/MessageHandler.js

/* global APP */

import { showErrorNotification, showWarningNotification } from '../../../react/features/notifications/actions';
import { NOTIFICATION_TIMEOUT_TYPE } from '../../../react/features/notifications/constants';

const messageHandler = {
    /**
     * Opens new popup window for given <tt>url</tt> centered over current
     * window.
     *
     * @param url the URL to be displayed in the popup window
     * @param w the width of the popup window
     * @param h the height of the popup window
     * @param onPopupClosed optional callback function called when popup window
     *        has been closed.
     *
     * @returns {object} popup window object if opened successfully or undefined
     *          in case we failed to open it(popup blocked)
     */
    // eslint-disable-next-line max-params
    openCenteredPopup(url, w, h, onPopupClosed) {
        const l = window.screenX + (window.innerWidth / 2) - (w / 2);
        const t = window.screenY + (window.innerHeight / 2) - (h / 2);
        const popup = window.open(
            url, '_blank',
            String(`top=${t}, left=${l}, width=${w}, height=${h}`));

        if (popup && onPopupClosed) {
            const pollTimer = window.setInterval(() => {
                if (popup.closed !== false) {
                    window.clearInterval(pollTimer);
                    onPopupClosed();
                }
            }, 200);
        }

        return popup;
    },

    /**
     * Shows an error dialog to the user.
     *
     * @param {object} props - The properties to pass to the
     * showErrorNotification action.
     */
    showError(props) {
        APP.store.dispatch(showErrorNotification(props, NOTIFICATION_TIMEOUT_TYPE.LONG));
    },

    /**
     * Shows a warning dialog to the user.
     *
     * @param {object} props - The properties to pass to the
     * showWarningNotification action.
     */
    showWarning(props) {
        APP.store.dispatch(showWarningNotification(props, NOTIFICATION_TIMEOUT_TYPE.LONG));
    }
};

export default messageHandler;