From a25014ef0de43c490f3a3ec4a7fdffb9c57a6e77 Mon Sep 17 00:00:00 2001
From: Rob Watson <rob@netflux.io>
Date: Thu, 10 Sep 2020 22:07:08 +0200
Subject: [PATCH] Add sample setInterval call

---
 Cargo.toml    |  1 +
 src/canvas.rs | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/Cargo.toml b/Cargo.toml
index 8fbc6f5..39d7f93 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,6 +26,7 @@ features = [
   "AudioBuffer",
   "HtmlCanvasElement",
   "CanvasRenderingContext2d",
+  "Window",
 ]
 
 [profile.release]
diff --git a/src/canvas.rs b/src/canvas.rs
index 7ac2cf2..02e5618 100644
--- a/src/canvas.rs
+++ b/src/canvas.rs
@@ -1,6 +1,7 @@
 use crate::agents::audio_agent::{AudioAgent, AudioData};
 use crate::utils;
 use std::sync::Arc;
+use wasm_bindgen::prelude::*;
 use wasm_bindgen::JsCast;
 use web_sys::HtmlCanvasElement;
 use yew::agent::Bridged;
@@ -12,6 +13,7 @@ pub struct Canvas {
     _audio_agent: Box<dyn Bridge<AudioAgent>>,
     canvas_node: NodeRef,
     audio_data: Option<Arc<AudioData>>,
+    cb: Option<Closure<dyn FnMut()>>,
 }
 
 #[derive(Debug)]
@@ -29,6 +31,26 @@ impl Component for Canvas {
             _audio_agent: AudioAgent::bridge(link.callback(Msg::AudioAgentMessage)),
             canvas_node: NodeRef::default(),
             audio_data: None,
+            cb: None,
+        }
+    }
+
+    fn rendered(&mut self, first_render: bool) {
+        if first_render {
+            let cb = Closure::wrap(Box::new(|| {
+                ConsoleService::log(&format!("In the callback"));
+            }) as Box<dyn FnMut()>);
+
+            // TODO: request_animation_frame() ?
+            let window = web_sys::window().unwrap();
+            window
+                .set_interval_with_callback_and_timeout_and_arguments_0(
+                    cb.as_ref().unchecked_ref(),
+                    1000,
+                )
+                .unwrap();
+
+            self.cb = Some(cb);
         }
     }