gnome-shell/js/ui/realms/realmManager.js

const { Clutter, Gio, Meta, Shell, St } = imports.gi;

const Main = imports.ui.main;
const RealmIndicator = imports.ui.realms.realmIndicator;
const RealmSwitcher = imports.ui.realms.realmSwitcher;
const Lightbox = imports.ui.lightbox;
const RealmSearchProvider = imports.ui.realms.realmSearchProvider;
const RealmWindowFrame = imports.ui.realms.realmWindowFrame;

var RealmManager = class {
    constructor() {

        this._realmIndicator = new RealmIndicator.RealmPanelIndicator();
        Main.panel.addToStatusArea('RealmIndicator', this._realmIndicator);

        this._switchAction = Main.wm.addKeybinding('switch-realm',
            new Gio.Settings({ schema_id: "org.gnome.shell.keybindings"}),
            Meta.KeyBindingFlags.NONE,
            Shell.ActionMode.NORMAL,
            this._switchRealms.bind(this));

        this._switchActionBackward = Main.wm.addKeybinding('switch-realm-backward',
            new Gio.Settings({ schema_id: "org.gnome.shell.keybindings"}),
            Meta.KeyBindingFlags.IS_REVERSED,
            Shell.ActionMode.NORMAL,
            this._switchRealms.bind(this));

        const realms = Shell.Realms.get_default();
        realms.connect('realm-context-switched', () => {
            Main.overview.dash._queueRedisplay();
            this._realmIndicator.update();
        });

        this._switchAnimation = new RealmSwitcher.ContextSwitchAnimationController(this._realmIndicator);

        if (Main.overview._overview) {
            this._searchResults = Main.overview._overview.controls._searchController._searchResults;
            this._searchProvider = new RealmSearchProvider.RealmSearchProvider();
            this._searchProvider.createResultDisplay(this._searchResults);
            this._searchResults._registerProvider(this._searchProvider);
        } else {
            log("Not creating search provider because Main.overview._overview does not exist");
        }

        this._frameManager = new RealmWindowFrame.WindowFrameManager();
    }

    animateSwitch(from, to, onComplete) {
        this._switchAnimation.animateSwitch(from, to, onComplete);
    }

    _switchRealms(display, window, binding) {
        let popup = new RealmSwitcher.SwitchRealmPopup(this._switchAction, this._switchActionBackward);
        if (!popup.show(binding.is_reversed(), binding.get_name(), binding.get_mask()))
            popup.fadeAndDestroy();
    }

};