feat: LifeLinkedNodeList

src/core/mod.rs

@@ -1,4 +1,5 @@
 pub mod client;
 pub mod eventloop;
+pub mod nodelist;
 pub mod registry;
 pub mod scenegraph;

src/core/nodelist.rs

@@ -0,0 +1,31 @@
+use crate::nodes::core::Node;
+use anyhow::{anyhow, ensure, Result};
+use parking_lot::RwLock;
+use std::sync::Weak;
+
+#[derive(Default)]
+pub struct LifeLinkedNodeList {
+	nodes: RwLock<Vec<Weak<Node>>>,
+}
+impl LifeLinkedNodeList {
+	pub fn add(&self, node: Weak<Node>) {
+		self.nodes.write().push(node);
+	}
+
+	pub fn clear(&self) {
+		self.nodes
+			.read()
+			.iter()
+			.filter_map(|node| node.upgrade())
+			.filter_map(|node| node.get_client().zip(Some(node.get_path().to_string())))
+			.for_each(|(client, path)| {
+				client.scenegraph.remove_node(&path);
+			});
+		self.nodes.write().clear();
+	}
+}
+impl Drop for LifeLinkedNodeList {
+	fn drop(&mut self) {
+		self.clear();
+	}
+}