fn add_window_mouse_event()

in src/platform_impl/web/web_sys/canvas.rs [351:382]

• 28 lines of code
• 2 McCabe index (conditional complexity)

    fn add_window_mouse_event<F>(
        &self,
        event_name: &'static str,
        mut handler: F,
    ) -> EventListenerHandle<dyn FnMut(MouseEvent)>
    where
        F: 'static + FnMut(MouseEvent),
    {
        let wants_fullscreen = self.wants_fullscreen.clone();
        let canvas = self.raw.clone();
        let window = web_sys::window().expect("Failed to obtain window");

        let closure = Closure::wrap(Box::new(move |event: MouseEvent| {
            handler(event);

            if *wants_fullscreen.borrow() {
                canvas
                    .request_fullscreen()
                    .expect("Failed to enter fullscreen");
                *wants_fullscreen.borrow_mut() = false;
            }
        }) as Box<dyn FnMut(_)>);

        let listener = EventListenerHandle::with_options(
            &window,
            event_name,
            closure,
            AddEventListenerOptions::new().capture(true),
        );

        listener
    }