Initial public release of Warp.

Repo-Sync-Origin: warpdotdev/warp-internal@12af1d983b

app/src/voice/mod.rs

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+pub mod transcriber;

app/src/voice/transcriber.rs

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+use std::sync::Arc;
+
+use async_trait::async_trait;
+use warpui::{Entity, SingletonEntity};
+
+use crate::server::server_api::TranscribeError;
+
+/// Interface for transcribing voice input.
+#[cfg_attr(not(target_family = "wasm"), async_trait)]
+#[cfg_attr(target_family = "wasm", async_trait(?Send))]
+pub trait Transcriber: Send + Sync {
+    /// Transcribe the given base64 encoded wav file into text.
+    /// This is expected to be async and called off the main thread.
+    async fn transcribe(&self, wav_base64: String) -> Result<String, TranscribeError>;
+}
+
+/// A voice transcriber that is enabled or disabled.
+///
+/// This is a singleton model that the app can decide to enable or disable.
+/// The editor does expect that it will exist as a singleton fetchable from app context
+/// either way though, and depending on whether the optional transcriber is set,
+/// the editor considers transcriber to be enabled or disabled.
+///
+/// We set it up this way to avoid the editor having a direct dependency on any server api.
+pub struct VoiceTranscriber {
+    /// The transcriber to use. If `None`, the transcriber is disabled.
+    #[cfg_attr(not(feature = "voice_input"), allow(dead_code))]
+    transcriber: Option<Arc<dyn Transcriber>>,
+}
+
+impl VoiceTranscriber {
+    pub fn new(transcriber: Arc<dyn Transcriber>) -> Self {
+        Self {
+            transcriber: Some(transcriber),
+        }
+    }
+
+    /// Returns the transcriber if one is set.
+    pub fn transcriber(&self) -> Option<&Arc<dyn Transcriber>> {
+        self.transcriber.as_ref()
+    }
+}
+
+impl Entity for VoiceTranscriber {
+    type Event = ();
+}
+
+impl SingletonEntity for VoiceTranscriber {}