codebase overhaul (#697)

1 files changed, 35 insertions, 0 deletions

diff --git a/apps/web/src/core/managers/selection-manager.ts b/apps/web/src/core/managers/selection-manager.ts
new file mode 100644
index 00000000..fa6a02bf
--- /dev/null
+++ b/apps/web/src/core/managers/selection-manager.ts
@@ -0,0 +1,35 @@
+import type { EditorCore } from "@/core";
+
+type ElementRef = { trackId: string; elementId: string };
+
+export class SelectionManager {
+	private selectedElements: ElementRef[] = [];
+	private listeners = new Set<() => void>();
+
+	constructor(editor: EditorCore) {
+		void editor;
+	}
+
+	getSelectedElements(): ElementRef[] {
+		return this.selectedElements;
+	}
+
+	setSelectedElements({ elements }: { elements: ElementRef[] }): void {
+		this.selectedElements = elements;
+		this.notify();
+	}
+
+	clearSelection(): void {
+		this.selectedElements = [];
+		this.notify();
+	}
+
+	subscribe(listener: () => void): () => void {
+		this.listeners.add(listener);
+		return () => this.listeners.delete(listener);
+	}
+
+	private notify(): void {
+		this.listeners.forEach((fn) => fn());
+	}
+}