1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
use std::marker::PhantomData;
use super::{Disposable, SignalBase, SignalConnection};
/// An alias for Signal1 listeners.
pub type Listener1<A> = Box<dyn Fn(&A)>;
/// A one-argument signal. See Signal0 and Signal2 for different arities.
#[derive(Default, Clone, Debug)]
pub struct Signal1<A> {
pub inner: SignalBase,
marker: PhantomData<A>,
}
impl<A> Signal1<A> {
/// @param listener An optional listener to immediately connect to the signal.
pub fn new(listener: Option<Listener1<A>>) -> Self {
todo!("should deal with it");
// Self {
// inner: SignalBase::new(listener),
// marker: PhantomData,
// }
}
/// Connects a listener to this signal.
/// @param prioritize True if this listener should fire before others.
/// @returns A SignalConnection, that can be disposed to remove the listener.
// prioritize :bool = false
pub fn connect(&self, listener: Listener1<A>, prioritize: bool) -> SignalConnection {
todo!("should deal with it");
// self.inner.connect_impl(listener, prioritize)
}
/// Emit the signal, notifying each connected listener.
pub fn emit(&self, arg1: A) {
if self.inner.dispatching() {
todo!("should deal with it");
// self.inner.defer(Box::new(|| {
// self.emitImpl(arg1);
// }));
} else {
self.emit_impl(arg1);
}
}
fn emit_impl(&self, arg1: A) {
let head = self.inner.will_emit();
let p = head;
todo!("should deal with it")
// while let Some(ref val) = p {
// if let Some(listener) = val.listener {
// // (listener)(arg1); //TODO:
// }
// if !val.stayInList {
// val.dispose();
// }
// p = val.next;
// }
// self.inner.didEmit(head.unwrap());
}
}
impl<A> AsRef<SignalBase> for Signal1<A> {
fn as_ref(&self) -> &SignalBase {
&self.inner
}
}