use crate::Error;
use parking_lot::Mutex;
use std::{fmt, sync::Arc};
type ErrorFn = Box<dyn Fn(Error) + Send + 'static>;
#[derive(Clone)]
pub(crate) struct ErrorHandler {
handler: Arc<Mutex<Option<ErrorFn>>>,
}
impl ErrorHandler {
pub(crate) fn set_handler<E: Fn(Error) + Send + 'static>(&self, handler: Box<E>) {
*self.handler.lock() = Some(handler);
}
pub(crate) fn on_error(&self, error: Error) {
if let Some(handler) = self.handler.lock().as_ref() {
handler(error)
}
}
}
impl Default for ErrorHandler {
fn default() -> Self {
Self {
handler: Arc::new(Mutex::new(None)),
}
}
}
impl fmt::Debug for ErrorHandler {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "ErrorHandler")
}
}