task: rewrite event handling as a step towards event-based subscriptions

src/main.rs

@@ -9,8 +9,11 @@ mod animations;
 mod mappings;
 mod buffers;
 mod events;
+mod scenes;
 
 use events::Event;
+use rgb::Rgb;
+use scenes::Sequencer;
 
 use crate::events::EventBus;
 use crate::platform::{DefaultBoard, Board};
@@ -40,7 +43,11 @@ fn main() {
     log::info!("🌌 Creating animations");
     let mut animations = FixedSizeScheduler::new([
         Box::new(animations::IdleTask::new(&mut surfaces)),
-        Box::new(animations::TestPattern::new(surfaces.new_surface(&Rectangle::everything()).unwrap())),
+        Box::new(animations::TestPattern::new(surfaces.new_surface(Rectangle::everything()).unwrap())),
+    ]);
+
+    let mut inputs = FixedSizeScheduler::new([
+        Box::new(Sequencer::new()),
     ]);
 
     let mut renderer = FixedSizeScheduler::new([Box::new(Renderer::new(output, surfaces))]);
@@ -48,14 +55,36 @@ fn main() {
     log::info!("🚌 Starting event bus");
     let mut bus = EventBus::new();
 
-    log::info!("Ready to rock and roll");
+    bus.push(Event::new_property_change("colors.primary", Rgb::new(255, 128, 128)));
+    bus.push(Event::new_property_change("system.board.chip_id", DefaultBoard::chip_id()));
+    bus.push(Event::new_property_change("system.network.online", false));
+
+    log::info!("Priming events...");
+    let initial_tasks = [
+        "Renderer",
+        "renderbug::scenes::Sequencer",
+        "renderbug::buffers::BufferedSurfacePool",
+        "renderbug::platform::esp32::WifiTask",
+        "renderbug::platform::esp32::MqttTask",
+        "renderbug::platform::esp32::CircadianRhythm"
+    ];
+    for task_name in initial_tasks {
+        bus.push(Event::new_start_thing(task_name));
+        log::info!("+ {}", task_name);
+    }
     bus.push(Event::new_ready_to_rock());
+
+    log::info!("🚀 Launching...");
     loop {
         let next_event = bus.next();
         match next_event {
             events::Event::Tick => (),
-            _ => log::info!("Event: {:?}", next_event)
+            Event::ReadyToRock => {
+                log::info!("🚀 Ready to rock and roll");
+            }
+            _ => log::info!("⚡ Event: {:?}", next_event)
         }
+        inputs.tick(&next_event, &mut bus);
         animations.tick(&next_event, &mut bus);
         system.tick(&next_event, &mut bus);
         renderer.tick(&next_event, &mut bus);