Function ensureViewport

tiling.js:4355–4404

(meta_window, space, options = {})

 * @returns
 */
export function ensureViewport(meta_window, space, options = {}) {
    space = space ?? spaces.spaceOfWindow(meta_window);
    let force = options?.force ?? false;
    let moveto = options?.moveto ?? true;
    let animate = options?.animate ?? true;
    let ensureAnimation = options.ensureAnimation ?? Settings.EnsureViewportAnimation.TRANSLATE;
    let callback = options.callback ?? function () { };

    let index = space.indexOf(meta_window);
    if (index === -1 || space.length === 0)
        return undefined;

    if (space.selectedWindow.fullscreen &&
        !meta_window.fullscreen) {
        animateDown(space.selectedWindow);
    }
    let x = ensuredX(meta_window, space);

    space.selectedWindow = meta_window;
    let selected = space.selectedWindow;
    if (!inPreview && selected.fullscreen) {
        let y = 0;
        let ty = selected.clone.get_transition('y');
        if (!space.isVisible(selected)) {
            selected.clone.y = y;
        } else if (!ty || ty.get_interval().final !== y) {
            Easer.addEase(selected.clone,
                {
                    y,
                    time: Settings.prefs.animation_time,
                    onComplete: space.moveDone.bind(space),
                });
        }
    }

    if (moveto) {
        move_to(space, meta_window, {
            x,
            force,
            animate,
            ensureAnimation,
            callback,
        });
    }

    selected.raise();
    Utils.actor_raise(selected.clone);
    updateSelection(space, meta_window);
    space.emit('select');
}

export function updateSelection(space, metaWindow) {
    if (!metaWindow) {