jellyfin-web/src/plugins/backdropScreensaver/plugin.js

define(['connectionManager'], function (connectionManager) {

    return function () {

        var self = this;

        self.name = 'Backdrop ScreenSaver';
        self.type = 'screensaver';
        self.id = 'backdropscreensaver';
        self.supportsAnonymous = false;

        var currentSlideshow;

        self.show = function () {

            var query = {
                ImageTypes: 'Backdrop',
                EnableImageTypes: 'Backdrop',
                IncludeItemTypes: 'Movie,Series,MusicArtist',
                SortBy: 'Random',
                Recursive: true,
                Fields: 'Taglines',
                ImageTypeLimit: 1,
                StartIndex: 0,
                Limit: 200
            };

            var apiClient = connectionManager.currentApiClient();
            apiClient.getItems(apiClient.getCurrentUserId(), query).then(function (result) {

                if (result.Items.length) {

                    require(['slideshow'], function (slideshow) {

                        var newSlideShow = new slideshow({
                            showTitle: true,
                            cover: true,
                            items: result.Items
                        });

                        newSlideShow.show();
                        currentSlideshow = newSlideShow;
                    });
                }
            });
        };

        self.hide = function () {

            if (currentSlideshow) {
                currentSlideshow.hide();
                currentSlideshow = null;
            }
        };
    };
});