wiremix 0.11.0

A TUI mixer for PipeWire
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

use std::cell::RefCell;

use pipewire::main_loop::MainLoopWeak;

use crate::wirehose::{Event, StateEvent};

/// Trait for handling [`Event`]s.
pub trait EventHandler: Send + 'static {
    /// Returns `true` if the event was handled successfully, `false` if the
    /// wirehose thread should shut down.
    fn handle_event(&mut self, event: Event) -> bool;
}

impl<F> EventHandler for F
where
    F: FnMut(Event) -> bool + Send + 'static,
{
    fn handle_event(&mut self, event: Event) -> bool {
        self(event)
    }
}

pub struct EventSender {
    handler: RefCell<Box<dyn EventHandler>>,
    main_loop_weak: MainLoopWeak,
}

impl EventSender {
    pub fn new<F: EventHandler>(
        handler: F,
        main_loop_weak: MainLoopWeak,
    ) -> Self {
        Self {
            handler: RefCell::new(Box::new(handler)),
            main_loop_weak,
        }
    }

    pub fn send(&self, event: StateEvent) {
        if !self.handler.borrow_mut().handle_event(Event::State(event)) {
            if let Some(main_loop) = self.main_loop_weak.upgrade() {
                main_loop.quit();
            }
        }
    }

    pub fn send_ready(&self) {
        if !self.handler.borrow_mut().handle_event(Event::Ready) {
            if let Some(main_loop) = self.main_loop_weak.upgrade() {
                main_loop.quit();
            }
        }
    }

    pub fn send_error(&self, error: String) {
        if !self.handler.borrow_mut().handle_event(Event::Error(error)) {
            if let Some(main_loop) = self.main_loop_weak.upgrade() {
                main_loop.quit();
            }
        }
    }
}