Context implementation

src/component.rs

@@ -5,7 +5,7 @@ use std::{
 };
 
 use crate::{
-    engine::CommandExecutor,
+    engine::{Command, CommandExecutor},
     render::DrawContext,
     state::{use_effect, HookDependency},
     View, ViewWrapper,
@@ -175,6 +175,15 @@ impl Context {
     pub fn get_executor(self: &Arc<Self>) -> Arc<dyn CommandExecutor> {
         self.executor.clone()
     }
+
+    pub fn execute<T: Command + 'static>(self: &Arc<Self>, command: T) -> crate::Result<()> {
+        self.executor
+            .execute_command(&(Arc::new(command) as Arc<dyn Command>))
+    }
+
+    pub fn stop(self: &Arc<Self>) -> crate::Result<()> {
+        self.execute(crate::engine::commands::Stop)
+    }
 }
 
 impl Scope {

src/engine/commands.rs

@@ -1 +1,9 @@
+use crate::engine::Command;
+
 pub struct Stop;
+
+impl Command for Stop {
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
+}

src/lib.rs

@@ -21,6 +21,7 @@ pub type View = Arc<dyn Fn(&mut DrawContext) + Send + Sync>;
 pub type ViewWrapper = Arc<dyn Fn(&mut DrawContext, View) + Send + Sync>;
 pub type Result<T> = std::result::Result<T, Error>;
 
+#[derive(Debug, Clone)]
 pub enum Error {
     PoisonError,
 }