all platform traits implemented & dumb async runtime imports

gui/src/imp/mod.rs

@@ -14,17 +14,6 @@ use std::time::Duration;
 // Trait Definitions
 // ============================================================================
 
-/// Trait for spawn handles that can be stored and used to spawn tasks later.
-pub trait SpawnHandleInterface: Clone + 'static {
-    /// Spawn an async task using this handle.
-    fn spawn<F>(&self, future: F)
-    where
-        F: Future<Output = ()> + 'static;
-
-    /// Get a spawn handle for the current context.
-    fn current() -> Self;
-}
-
 pub trait AudioSystemInterface {
     type AudioPlayer: AudioPlayerInterface;
 }
@@ -36,7 +25,6 @@ pub trait AudioPlayerInterface {}
 /// verification that all platforms implement the required functionality.
 pub trait PlatformInterface {
     type AudioSystem: AudioSystemInterface;
-    type SpawnHandle: SpawnHandleInterface;
 
     /// Initialize logging for the platform.
     fn init_logging();
@@ -72,11 +60,6 @@ pub trait PlatformInterface {
     /// Save the default server URL.
     fn set_default_server(server: &str) -> Option<()>;
 
-    /// Spawn an async task.
-    fn spawn<F>(future: F)
-    where
-        F: Future<Output = ()> + 'static;
-
     /// Async sleep for the given duration.
     fn sleep(duration: Duration) -> impl Future<Output = ()>;
 }
@@ -86,7 +69,7 @@ pub trait PlatformInterface {
 // ============================================================================
 
 #[cfg(feature = "web")]
-mod web;
+pub mod web;
 
 #[cfg(any(feature = "desktop", feature = "mobile"))]
 mod connect;
@@ -94,9 +77,9 @@ mod connect;
 mod native_audio;
 
 #[cfg(feature = "desktop")]
-mod desktop;
+pub mod desktop;
 #[cfg(feature = "mobile")]
-mod mobile;
+pub mod mobile;
 
 // ============================================================================
 // Platform Type Alias
@@ -113,7 +96,15 @@ pub type Platform = mobile::MobilePlatform;
 
 pub type AudioSystem = <Platform as PlatformInterface>::AudioSystem;
 pub type AudioPlayer = <AudioSystem as AudioSystemInterface>::AudioPlayer;
-pub type SpawnHandle = <Platform as PlatformInterface>::SpawnHandle;
+
+// ========================
+// Platform Async Runtime
+// ========================
+// Note: these can not be part of the Platform because they differ in Send requiremets
+#[cfg(all(any(feature = "desktop", feature = "mobile"), not(feature = "web")))]
+pub use native_audio::{spawn, SpawnHandle};
+#[cfg(feature = "web")]
+pub use web::{spawn, SpawnHandle};
 
 /// Compile-time assertion that CurrentPlatform implements Platform.
 const _: () = {