dagronf

//
//  DSFRestrictedPanGestureRecognizer.swift
//  Time Zones
//
//  Created by Darren Ford on 30/6/18.
//  Copyright © 2018 Darren Ford. All rights reserved.
//

import UIKit
import UIKit.UIGestureRecognizerSubclass

dagronf

import Cocoa

class DSFUnenabledButton: NSButton {
   var isUserInteractionEnabled = false
   override func hitTest(_ point: NSPoint) -> NSView? {
      return isUserInteractionEnabled ? super.hitTest(point) : nil
   }
}

dagronf

// FROM: https://www.objc.io/blog/2018/12/18/atomic-variables/

final class Atomic<A> {
   private let queue = DispatchQueue(label: "Atomic serial queue")
   private var _value: A
   init(_ value: A) {
      self._value = value
   }

   var value: A {

dagronf

import Foundation

extension String {
   /// Returns a new string by removing any instances of the specified characters
   ///
   /// - Parameter
   ///   - replacementChars: String containing the characters to replace
   /// - Returns: a new string filtering out the specified characters
   func removing(charactersIn replacementChars: String) -> String {
      return self.filter { replacementChars.contains($0) == false }

dagronf

let query = MDQueryCreate(kCFAllocatorDefault, "kMDItemContentType = com.apple.application-bundle" as CFString, nil, nil)
MDQueryExecute(query, CFOptionFlags(kMDQuerySynchronous.rawValue))

let count = MDQueryGetResultCount(query);
for i in 0 ..< count {
	let rawPtr = MDQueryGetResultAtIndex(query, i)
	let item = Unmanaged<MDItem>.fromOpaque(rawPtr!).takeUnretainedValue()
	if let path = MDItemCopyAttribute(item, kMDItemPath) as? String {
		print(path)
	}

dagronf

// NSWorkspace.accessibilityDisplayOptionsDidChangeNotification fires when option changes. 
// The only thing is, it fires in NSWorkspace's notification center. Not in the default one.

///// Using a selector

NSWorkspace.shared.notificationCenter.addObserver(
   self, 
   selector: #selector(accessibilityDisplayOptionsDidChange(_:)),
   name: NSWorkspace.accessibilityDisplayOptionsDidChangeNotification, 
   object: NSWorkspace.shared)

dagronf

//
//  CAAnimation+BlockCallback.swift
//

import UIKit

//
// Modified from http://onedayitwillmake.com/blog/2016/06/caanimation-completion-callback-block/
// Updated for Swift 4 syntax
// All credit to the original author (Mario Gonzalez)

dagronf

extension UUID {
   /// Errors thrown
   public enum LoadError: Error {
      case invalidUUIDData
   }

   /// Returns the raw bytes of the UUID as a Data object.
   ///
   /// Note that this method assumes a specific memory layout (the layout on the device calling the method)
   /// and as such may not be portable to other systems.

dagronf

private extension NSImage {
   static func checkerboardImage(ofSize: CGSize, color1: NSColor, color2: NSColor, checkSize: CGFloat = 8) -> NSImage? {
      let width = NSNumber(value: Float(checkSize))
      let center = CIVector(cgPoint: CGPoint(x: 0, y: 0))
      let darkColor = CIColor(cgColor: color1.cgColor)
      let lightColor = CIColor(cgColor: color2.cgColor)
      let sharpness = NSNumber(value: 1.0)

      guard let filter = CIFilter(name: "CICheckerboardGenerator") else {
         return nil

dagronf

extension NSImage {
   /// Create a CIImage using the best representation available
   ///
   /// - Returns: Converted image, or nil
   func asCIImage() -> CIImage? {
      if let cgImage = self.asCGImage() {
         return CIImage(cgImage: cgImage)
      }
      return nil
   }