1use assets::SoundRegistry;
 2use derive_more::{Deref, DerefMut};
 3use gpui::{App, AssetSource, BorrowAppContext, Global};
 4use rodio::{OutputStream, OutputStreamHandle};
 5use util::ResultExt;
 6
 7mod assets;
 8
 9pub fn init(source: impl AssetSource, cx: &mut App) {
10    SoundRegistry::set_global(source, cx);
11    cx.set_global(GlobalAudio(Audio::new()));
12}
13
14pub enum Sound {
15    Joined,
16    Leave,
17    Mute,
18    Unmute,
19    StartScreenshare,
20    StopScreenshare,
21}
22
23impl Sound {
24    fn file(&self) -> &'static str {
25        match self {
26            Self::Joined => "joined_call",
27            Self::Leave => "leave_call",
28            Self::Mute => "mute",
29            Self::Unmute => "unmute",
30            Self::StartScreenshare => "start_screenshare",
31            Self::StopScreenshare => "stop_screenshare",
32        }
33    }
34}
35
36#[derive(Default)]
37pub struct Audio {
38    _output_stream: Option<OutputStream>,
39    output_handle: Option<OutputStreamHandle>,
40}
41
42#[derive(Deref, DerefMut)]
43struct GlobalAudio(Audio);
44
45impl Global for GlobalAudio {}
46
47impl Audio {
48    pub fn new() -> Self {
49        Self::default()
50    }
51
52    fn ensure_output_exists(&mut self) -> Option<&OutputStreamHandle> {
53        if self.output_handle.is_none() {
54            let (_output_stream, output_handle) = OutputStream::try_default().log_err().unzip();
55            self.output_handle = output_handle;
56            self._output_stream = _output_stream;
57        }
58
59        self.output_handle.as_ref()
60    }
61
62    pub fn play_sound(sound: Sound, cx: &mut App) {
63        if !cx.has_global::<GlobalAudio>() {
64            return;
65        }
66
67        cx.update_global::<GlobalAudio, _>(|this, cx| {
68            let output_handle = this.ensure_output_exists()?;
69            let source = SoundRegistry::global(cx).get(sound.file()).log_err()?;
70            output_handle.play_raw(source).log_err()?;
71            Some(())
72        });
73    }
74
75    pub fn end_call(cx: &mut App) {
76        if !cx.has_global::<GlobalAudio>() {
77            return;
78        }
79
80        cx.update_global::<GlobalAudio, _>(|this, _| {
81            this._output_stream.take();
82            this.output_handle.take();
83        });
84    }
85}