jitsi_corner8/react/features/desktop-picker/actions.js

import { getLogger } from 'jitsi-meet-logger';

import { openDialog } from '../base/dialog';
import {
    RESET_DESKTOP_SOURCES,
    UPDATE_DESKTOP_SOURCES
} from './actionTypes';
import { DesktopPicker } from './components';

const logger = getLogger(__filename);

/**
 * Signals to remove all stored DesktopCapturerSources.
 *
 * @returns {{
 *     type: RESET_DESKTOP_SOURCES
 * }}
 */
export function resetDesktopSources() {
    return {
        type: RESET_DESKTOP_SOURCES
    };
}

/**
 * Begins a request to get available DesktopCapturerSources.
 *
 * @param {Array} types - An array with DesktopCapturerSource type strings.
 * @param {Object} options - Additional configuration for getting a list
 * of sources.
 * @param {Object} options.thumbnailSize - The desired height and width
 * of the return native image object used for the preview image of the source.
 * @returns {Function}
 */
export function obtainDesktopSources(types, options = {}) {
    const capturerOptions = {
        types
    };

    if (options.thumbnailSize) {
        capturerOptions.thumbnailSize = options.thumbnailSize;
    }

    return dispatch => {
        if (window.JitsiMeetElectron
            && window.JitsiMeetElectron.obtainDesktopStreams) {
            window.JitsiMeetElectron.obtainDesktopStreams(
                sources => dispatch(updateDesktopSources(sources)),
                error => logger.error(
                    `Error while obtaining desktop sources: ${error}`),
                capturerOptions
            );
        } else {
            logger.error('Called JitsiMeetElectron.obtainDesktopStreams '
                + 'but it is not defined');
        }
    };
}

/**
 * Signals to open a dialog with the DesktopPicker component.
 *
 * @param {Function} onSourceChoose - The callback to invoke when
 * a DesktopCapturerSource has been chosen.
 * @returns {Object}
 */
export function showDesktopPicker(onSourceChoose) {
    return openDialog(DesktopPicker, {
        onSourceChoose
    });
}

/**
 * Signals new DesktopCapturerSources have been received.
 *
 * @param {Object} sources - Arrays with DesktopCapturerSources.
 * @returns {{
 *     type: UPDATE_DESKTOP_SOURCES,
 *     sources: Array
 * }}
 */
export function updateDesktopSources(sources) {
    return {
        type: UPDATE_DESKTOP_SOURCES,
        sources
    };
}