Files
phbar/Sources/phbar/Models/PHBarDelegate.swift
T

70 lines
1.9 KiB
Swift

import AppKit
@MainActor
final class PHBarDelegate: NSObject, NSApplicationDelegate {
/// One window per attached screen the single source of truth. The matching
/// controllers are reached through `windows[i].barController`.
var windows: [BarWindow] = []
/// Convenience accessor over `windows`.
var controllers: [BarController] { windows.map(\.barController) }
/// Resolves a controller for any screen from the current config.
var factory: PHBarFactory
private var observers: [IPCObserver] = []
private var screenObserver: NSObjectProtocol?
init(config: PHConfig, theme: PHTheme, layouts: [String : PHLayout], debug: Bool) {
self.factory = PHBarFactory(
config: config,
theme: theme,
layouts: layouts,
debug: debug
)
super.init()
}
func applicationDidFinishLaunching(_ notification: Notification) {
syncScreens()
// React to monitor connect/disconnect and resolution changes. macOS
// delivers a single app-level notification for any of these; `syncScreens`
// diffs so unchanged bars are left untouched.
screenObserver = NotificationCenter.default.addObserver(
forName: NSApplication.didChangeScreenParametersNotification,
object: nil,
queue: .main
) { [weak self] _ in
Task { @MainActor in self?.syncScreens() }
}
// Listen for refresh notifications from `phbar refresh`.
let token = IPC.observe(.refresh) { [weak self] _ in
Task { @MainActor in self?.refresh() }
}
observers.append(token)
}
func refresh() {
for controller in controllers {
controller.refresh()
}
}
func applicationWillTerminate(_ notification: Notification) {
for controller in controllers {
controller.stopAutoRefresh()
}
observers.removeAll()
if let screenObserver {
NotificationCenter.default.removeObserver(screenObserver)
self.screenObserver = nil
}
}
func stderr(_ message: String) {
FileHandle.standardError.write(Data("phbar: \(message)\n".utf8))
}
}