Accessibility!

Clocker/Onboarding/OnboardingParentViewController.swift

@@ -72,7 +72,7 @@ class OnboardingParentViewController: NSViewController {
             negativeButton.controlSize = .large
             positiveButton.controlSize = .large
             backButton.image = NSImage(systemSymbolName: "chevron.left.circle.fill",
-                                       accessibilityDescription: nil)
+                                       accessibilityDescription: "back-button")
         } else {
             backButton.title = NSLocalizedString("Back",
                                                  comment: "Button title for going back to the previous screen")

Clocker/Overall App/Themer.swift

@@ -153,7 +153,7 @@ extension Themer {
     func shutdownImage() -> NSImage {
         if #available(macOS 10.16, *) {
             return NSImage(systemSymbolName: "ellipsis.circle",
-                           accessibilityDescription: nil)!
+                           accessibilityDescription: "power-down-image")!
         }
 
         if #available(macOS 10.14, *) {
@@ -173,7 +173,7 @@ extension Themer {
     func preferenceImage() -> NSImage {
         if #available(macOS 10.16, *) {
             return NSImage(systemSymbolName: "gear",
-                           accessibilityDescription: nil)!
+                           accessibilityDescription: "new-preference-image")!
         }
 
         if #available(macOS 10.14, *) {
@@ -196,7 +196,7 @@ extension Themer {
     func pinImage() -> NSImage {
         if #available(macOS 10.16, *) {
             return NSImage(systemSymbolName: "macwindow.on.rectangle",
-                           accessibilityDescription: nil)!
+                           accessibilityDescription: "pin-image")!
         }
 
         if #available(macOS 10.14, *) {
@@ -321,7 +321,7 @@ extension Themer {
     func sharingImage() -> NSImage {
         if #available(macOS 10.16, *) {
             return NSImage(systemSymbolName: "square.and.arrow.up.on.square.fill",
-                           accessibilityDescription: nil)!
+                           accessibilityDescription: "share-button")!
         }
 
         if #available(macOS 10.14, *) {

Clocker/Panel/UI/TimezoneDataSource.swift

@@ -136,7 +136,7 @@ extension TimezoneDataSource: NSTableViewDataSource, NSTableViewDelegate {
 
             if #available(OSX 10.16, *) {
                 swipeToDelete.image = NSImage(systemSymbolName: "trash.fill",
-                                              accessibilityDescription: nil)
+                                              accessibilityDescription: "swipe-to-delete")
             } else {
                 swipeToDelete.image = NSImage(named: NSImage.Name("Trash"))
             }