Implemented changable icons for AppleScriptTouchBarItem (#275)

AppleScriptTouchBarItem now allow to specify any number of icons which can be changed from the script. You cannot change icon from touch event. To change icon, you need to return array from your script with 2 values - title and icn name. More info in readme

MTMR/AppleScriptTouchBarItem.swift

@@ -4,9 +4,11 @@ class AppleScriptTouchBarItem: CustomButtonTouchBarItem {
     private var script: NSAppleScript!
     private let interval: TimeInterval
     private var forceHideConstraint: NSLayoutConstraint!
+    private let alternativeImages: [String: SourceProtocol]
 
-    init?(identifier: NSTouchBarItem.Identifier, source: SourceProtocol, interval: TimeInterval) {
+    init?(identifier: NSTouchBarItem.Identifier, source: SourceProtocol, interval: TimeInterval, alternativeImages: [String: SourceProtocol]) {
         self.interval = interval
+        self.alternativeImages = alternativeImages
         super.init(identifier: identifier, title: "⏳")
         forceHideConstraint = view.widthAnchor.constraint(equalToConstant: 0)
         title = "scheduled"
@@ -57,13 +59,35 @@ class AppleScriptTouchBarItem: CustomButtonTouchBarItem {
         }
     }
 
+    func updateIcon(iconLabel: String) {
+        if alternativeImages[iconLabel] != nil {
+            DispatchQueue.main.async {
+                self.image = self.alternativeImages[iconLabel]!.image
+            }
+        } else {
+            print("Cannot find icon with label \"\(iconLabel)\"")
+        }
+    }
+
     func execute() -> String {
         var error: NSDictionary?
         let output = script.executeAndReturnError(&error)
         if let error = error {
             print(error)
             return "error"
         }
+        if output.descriptorType == typeAEList {
+            let arr = Array(1...output.numberOfItems).compactMap({ output.atIndex($0)!.stringValue ?? "" })
+
+            if arr.count <= 0 {
+                return ""
+            } else if arr.count == 1 {
+                return arr[0]
+            } else {
+                updateIcon(iconLabel: arr[1])
+                return arr[0]
+            }
+        }
         return output.stringValue ?? ""
     }
 }

MTMR/ItemsParsing.swift

@@ -208,7 +208,7 @@ class SupportedTypesHolder {
 
 enum ItemType: Decodable {
     case staticButton(title: String)
-    case appleScriptTitledButton(source: SourceProtocol, refreshInterval: Double)
+    case appleScriptTitledButton(source: SourceProtocol, refreshInterval: Double, alternativeImages: [String: SourceProtocol])
     case shellScriptTitledButton(source: SourceProtocol, refreshInterval: Double)
     case timeButton(formatTemplate: String, timeZone: String?, locale: String?)
     case battery
@@ -251,6 +251,7 @@ enum ItemType: Decodable {
         case autoResize
         case filter
         case disableMarquee
+        case alternativeImages
     }
 
     enum ItemTypeRaw: String, Decodable {
@@ -282,7 +283,8 @@ enum ItemType: Decodable {
         case .appleScriptTitledButton:
             let source = try container.decode(Source.self, forKey: .source)
             let interval = try container.decodeIfPresent(Double.self, forKey: .refreshInterval) ?? 1800.0
-            self = .appleScriptTitledButton(source: source, refreshInterval: interval)
+            let alternativeImages = try container.decodeIfPresent([String: Source].self, forKey: .alternativeImages) ?? [:]
+            self = .appleScriptTitledButton(source: source, refreshInterval: interval, alternativeImages: alternativeImages)
 
         case .shellScriptTitledButton:
             let source = try container.decode(Source.self, forKey: .source)

MTMR/TouchBarController.swift

@@ -240,8 +240,8 @@ class TouchBarController: NSObject, NSTouchBarDelegate {
         switch item.type {
         case let .staticButton(title: title):
             barItem = CustomButtonTouchBarItem(identifier: identifier, title: title)
-        case let .appleScriptTitledButton(source: source, refreshInterval: interval):
-            barItem = AppleScriptTouchBarItem(identifier: identifier, source: source, interval: interval)
+        case let .appleScriptTitledButton(source: source, refreshInterval: interval, alternativeImages: alternativeImages):
+            barItem = AppleScriptTouchBarItem(identifier: identifier, source: source, interval: interval, alternativeImages: alternativeImages)
         case let .shellScriptTitledButton(source: source, refreshInterval: interval):
             barItem = ShellScriptTouchBarItem(identifier: identifier, source: source, interval: interval)
         case let .timeButton(formatTemplate: template, timeZone: timeZone, locale: locale):

README.md

@@ -133,10 +133,37 @@ The pre-installed configuration contains less or more than you'll probably want,
       "inline": "tell application \"Finder\"\rif not (exists window 1) then\rmake new Finder window\rset target of front window to path to home folder as string\rend if\ractivate\rend tell",
       // or
       "base64": "StringInbase64"
-    }
+    },
   }
 ```
 
+> Note: appleScriptTitledButton can change its icon. To do it, you need to do the following things:
+1. Declarate dictionary of icons in `alternativeImages` field
+2. Make you script return array of two values - `{"TITLE", "IMAGE_LABEL"}`
+3. Make sure that your `IMAGE_LABEL` is declared in `alternativeImages` field
+
+Example:
+```js
+  {
+    "type": "appleScriptTitledButton",
+    "source": {
+      "inline": "if (random number from 1 to 2) = 1 then\n\tset val to {\"title\", \"play\"}\nelse\n\tset val to {\"title\", \"pause\"}\nend if\nreturn val"
+    },
+    "refreshInterval": 1,
+    "image": {
+      "base64": "iVBORw0KGgoAAAANSUhEUgA..."
+    },
+    "alternativeImages": {
+      "play": {
+        "base64": "iVBORw0KGgoAAAANSUhEUgAAAAAA..."
+      },
+      "pause": {
+        "base64": "iVBORw0KGgoAAAANSUhEUgAAAIAA..."
+      }
+    }
+  },
+```
+
 #### `shellScriptTitledButton`
 > Note: script may return also colors using escape sequences (read more here https://misc.flogisoft.com/bash/tip_colors_and_formatting)
 > Only "16 Colors" mode supported atm. If background color returned, button will pick it up as own background color.