1 files changed, 47 insertions, 0 deletions
diff --git a/Sources/phbar/Models/AppDelegate.swift b/Sources/phbar/Models/AppDelegate.swift
new file mode 100644
index 0000000..a7ecb5a
--- /dev/null
+++ b/Sources/phbar/Models/AppDelegate.swift
@@ -0,0 +1,47 @@
+import AppKit
+import SwiftUI
+
+@MainActor
+final class AppDelegate: NSObject, NSApplicationDelegate {
+	private var windows: [BarWindow] = []
+	private var blocks: [Block] = Config.blocks.map(\.resolved)
+	private var tokens: [UnsafeMutableRawPointer] = []
+
+	func applicationDidFinishLaunching(_ notification: Notification) {
+		for screen in NSScreen.screens {
+			let frame = Screen.barFrame(screen, position: Config.position, height: Config.height)
+			let window = BarWindow(contentRect: frame)
+			window.contentView = NSHostingView(rootView: BarView(blocks: blocks))
+			window.orderFrontRegardless()
+			windows.append(window)
+		}
+
+		// Register one listener per unique name; a single post fans out to every
+		// block with that name (see Notifier).
+		for name in Set(blocks.map(\.name)) {
+			let token = Notifier.register(name) { [weak self] in
+				self?.handleRefresh(name)
+			}
+			tokens.append(token)
+		}
+
+		for block in blocks { block.start() }
+	}
+
+	func applicationWillTerminate(_ notification: Notification) {
+		for block in blocks { block.stop() }
+		for token in tokens { Notifier.cancel(token) }
+	}
+
+	/// Called from a Darwin notification handler. Marked `nonisolated` because
+	/// libnotify's delivery contract isn't statically visible to Swift, so we
+	/// hop back to the main actor explicitly.
+	nonisolated func handleRefresh(_ name: String) {
+		Task { @MainActor [weak self] in
+			guard let self else { return }
+			for block in self.blocks where block.name == name {
+				block.runScript()
+			}
+		}
+	}
+}