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69 lines
1.6 KiB
Rust
69 lines
1.6 KiB
Rust
//! A queue of async messages/errors that will be shown in the editor
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use std::borrow::Cow;
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use std::time::Duration;
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use crate::{runtime_local, send_blocking};
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use once_cell::sync::OnceCell;
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use tokio::sync::mpsc::{Receiver, Sender};
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/// Describes the severity level of a [`StatusMessage`].
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#[derive(Debug, Clone, Copy, Eq, PartialEq, PartialOrd, Ord)]
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pub enum Severity {
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Hint,
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Info,
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Warning,
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Error,
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}
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pub struct StatusMessage {
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pub severity: Severity,
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pub message: Cow<'static, str>,
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}
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impl From<anyhow::Error> for StatusMessage {
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fn from(err: anyhow::Error) -> Self {
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StatusMessage {
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severity: Severity::Error,
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message: err.to_string().into(),
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}
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}
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}
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impl From<&'static str> for StatusMessage {
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fn from(msg: &'static str) -> Self {
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StatusMessage {
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severity: Severity::Info,
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message: msg.into(),
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}
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}
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}
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runtime_local! {
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static MESSAGES: OnceCell<Sender<StatusMessage>> = OnceCell::new();
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}
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pub async fn report(msg: impl Into<StatusMessage>) {
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// if the error channel overflows just ignore it
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let _ = MESSAGES
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.wait()
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.send_timeout(msg.into(), Duration::from_millis(10))
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.await;
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}
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pub fn report_blocking(msg: impl Into<StatusMessage>) {
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let messages = MESSAGES.wait();
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send_blocking(messages, msg.into())
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}
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/// Must be called once during editor startup exactly once
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/// before any of the messages in this module can be used
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///
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/// # Panics
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/// If called multiple times
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pub fn setup() -> Receiver<StatusMessage> {
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let (tx, rx) = tokio::sync::mpsc::channel(128);
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let _ = MESSAGES.set(tx);
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rx
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}
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