53 lines
1.8 KiB
Swift
53 lines
1.8 KiB
Swift
import AppKit
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final class WindowDecorationsController {
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private var observers: [NSObjectProtocol] = []
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private var didStart = false
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func start() {
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guard !didStart else { return }
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didStart = true
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attachToExistingWindows()
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installObservers()
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}
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func apply(to window: NSWindow) {
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let shouldHideButtons = shouldHideTrafficLights(for: window)
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hideStandardButtons(on: window, hidden: shouldHideButtons)
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}
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private func installObservers() {
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let center = NotificationCenter.default
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let handler: (Notification) -> Void = { [weak self] notification in
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guard let self, let window = notification.object as? NSWindow else { return }
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self.apply(to: window)
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}
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observers.append(center.addObserver(forName: NSWindow.didBecomeKeyNotification, object: nil, queue: .main, using: handler))
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observers.append(center.addObserver(forName: NSWindow.didBecomeMainNotification, object: nil, queue: .main, using: handler))
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}
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private func attachToExistingWindows() {
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for window in NSApp.windows {
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apply(to: window)
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}
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}
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private func hideStandardButtons(on window: NSWindow, hidden: Bool) {
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window.standardWindowButton(.closeButton)?.isHidden = hidden
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window.standardWindowButton(.miniaturizeButton)?.isHidden = hidden
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window.standardWindowButton(.zoomButton)?.isHidden = hidden
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}
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private func shouldHideTrafficLights(for window: NSWindow) -> Bool {
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if window.isSheet {
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return true
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}
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if window.styleMask.contains(.docModalWindow) {
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return true
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}
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if window.styleMask.contains(.nonactivatingPanel) {
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return true
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}
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return false
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}
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}
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