fn add_user_event()

in src/platform_impl/web/web_sys/canvas.rs [323:345]

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

    fn add_user_event<E, F>(
        &self,
        event_name: &'static str,
        mut handler: F,
    ) -> EventListenerHandle<dyn FnMut(E)>
    where
        E: 'static + AsRef<web_sys::Event> + wasm_bindgen::convert::FromWasmAbi,
        F: 'static + FnMut(E),
    {
        let wants_fullscreen = self.wants_fullscreen.clone();
        let canvas = self.raw.clone();

        self.add_event(event_name, move |event: E| {
            handler(event);

            if *wants_fullscreen.borrow() {
                canvas
                    .request_fullscreen()
                    .expect("Failed to enter fullscreen");
                *wants_fullscreen.borrow_mut() = false;
            }
        })
    }