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    AgentDone,
22}
23
24impl Sound {
25    fn file(&self) -> &'static str {
26        match self {
27            Self::Joined => "joined_call",
28            Self::Leave => "leave_call",
29            Self::Mute => "mute",
30            Self::Unmute => "unmute",
31            Self::StartScreenshare => "start_screenshare",
32            Self::StopScreenshare => "stop_screenshare",
33            Self::AgentDone => "agent_done",
34        }
35    }
36}
37
38#[derive(Default)]
39pub struct Audio {
40    _output_stream: Option<OutputStream>,
41    output_handle: Option<OutputStreamHandle>,
42}
43
44#[derive(Deref, DerefMut)]
45struct GlobalAudio(Audio);
46
47impl Global for GlobalAudio {}
48
49impl Audio {
50    pub fn new() -> Self {
51        Self::default()
52    }
53
54    fn ensure_output_exists(&mut self) -> Option<&OutputStreamHandle> {
55        if self.output_handle.is_none() {
56            let (_output_stream, output_handle) = OutputStream::try_default().log_err().unzip();
57            self.output_handle = output_handle;
58            self._output_stream = _output_stream;
59        }
60
61        self.output_handle.as_ref()
62    }
63
64    pub fn play_sound(sound: Sound, cx: &mut App) {
65        if !cx.has_global::<GlobalAudio>() {
66            return;
67        }
68
69        cx.update_global::<GlobalAudio, _>(|this, cx| {
70            let output_handle = this.ensure_output_exists()?;
71            let source = SoundRegistry::global(cx).get(sound.file()).log_err()?;
72            output_handle.play_raw(source).log_err()?;
73            Some(())
74        });
75    }
76
77    pub fn end_call(cx: &mut App) {
78        if !cx.has_global::<GlobalAudio>() {
79            return;
80        }
81
82        cx.update_global::<GlobalAudio, _>(|this, _| {
83            this._output_stream.take();
84            this.output_handle.take();
85        });
86    }
87}