fn with_window()

in src/platform_impl/linux/x11/event_processor.rs [53:75]

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

    fn with_window<F, Ret>(&self, window_id: ffi::Window, callback: F) -> Option<Ret>
    where
        F: Fn(&Arc<UnownedWindow>) -> Ret,
    {
        let mut deleted = false;
        let window_id = WindowId(window_id);
        let wt = get_xtarget(&self.target);
        let result = wt
            .windows
            .borrow()
            .get(&window_id)
            .and_then(|window| {
                let arc = window.upgrade();
                deleted = arc.is_none();
                arc
            })
            .map(|window| callback(&window));
        if deleted {
            // Garbage collection
            wt.windows.borrow_mut().remove(&window_id);
        }
        result
    }