82 lines
2.0 KiB
Swift
82 lines
2.0 KiB
Swift
//
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// IndeterminateProgressWindowController.swift
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// NetNewsWire
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//
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// Created by Brent Simmons on 8/28/16.
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// Copyright © 2016 Ranchero Software, LLC. All rights reserved.
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//
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#if os(macOS)
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import AppKit
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public func runIndeterminateProgressWithMessage(_ message: String) {
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IndeterminateProgressController.beginProgressWithMessage(message)
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}
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public func stopIndeterminateProgress() {
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IndeterminateProgressController.endProgress()
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}
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private final class IndeterminateProgressController {
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static var windowController: IndeterminateProgressWindowController?
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static var runningProgressWindow = false
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static var modalSession: NSApplication.ModalSession?
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static func beginProgressWithMessage(_ message: String) {
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if runningProgressWindow {
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assertionFailure("Expected !runningProgressWindow.")
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endProgress()
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}
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runningProgressWindow = true
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windowController = IndeterminateProgressWindowController(message: message)
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assert(modalSession == nil)
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modalSession = NSApplication.shared.beginModalSession(for: windowController!.window!)
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NSApplication.shared.runModalSession(modalSession!)
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}
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static func endProgress() {
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if !runningProgressWindow {
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assertionFailure("Expected runningProgressWindow.")
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return
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}
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runningProgressWindow = false
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if let modalSession {
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NSApplication.shared.endModalSession(modalSession)
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} else {
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assertionFailure("endProgress called without a modalSession.")
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}
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windowController?.close()
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windowController = nil
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modalSession = nil
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}
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}
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private final class IndeterminateProgressWindowController: NSWindowController {
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@IBOutlet var messageLabel: NSTextField!
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@IBOutlet var progressIndicator: NSProgressIndicator!
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@objc dynamic var message = ""
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convenience init(message: String) {
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self.init(window: nil)
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self.message = message
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Bundle.module.loadNibNamed("IndeterminateProgressWindow", owner: self, topLevelObjects: nil)
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}
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override func windowDidLoad() {
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progressIndicator.startAnimation(self)
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}
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}
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#endif
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