Add check for permissions on onboarding (#955)

MonitorControl/Assets.xcassets/onboarding_icon_checkmark.imageset/Contents.json

@@ -0,0 +1,18 @@
+{
+  "images" : [
+    {
+      "filename" : "checkmark.png",
+      "idiom" : "mac",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "checkmark@2x.png",
+      "idiom" : "mac",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

MonitorControl/UI/Base.lproj/Main.storyboard

@@ -2249,7 +2249,7 @@ You can enable it by adding MonitorControl in System Preferences > Security a
                             </textField>
                             <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="j2w-H2-9zU">
                                 <rect key="frame" x="65" y="74" width="202" height="32"/>
-                                <buttonCell key="cell" type="push" title="Open System Preferences…" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="pVc-wG-Bdh">
+                                <buttonCell key="cell" type="push" title="Open System Preferences…" bezelStyle="rounded" imagePosition="trailing" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="pVc-wG-Bdh">
                                     <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
                                     <font key="font" metaFont="system"/>
                                 </buttonCell>
@@ -2322,6 +2322,9 @@ DQ
                             <constraint firstItem="smN-BX-6Bx" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="7ij-vC-Tcj" secondAttribute="leading" constant="24" id="zyv-XU-eAi"/>
                         </constraints>
                     </view>
+                    <connections>
+                        <outlet property="permissionsButton" destination="j2w-H2-9zU" id="4Eb-J5-znC"/>
+                    </connections>
                 </viewController>
                 <customObject id="YML-6F-4Tw" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
             </objects>

MonitorControl/View Controllers/Onboarding/OnboardingViewController.swift

@@ -3,8 +3,11 @@
 import Cocoa
 
 class OnboardingViewController: NSViewController {
+  @IBOutlet private var permissionsButton: NSButton!
+
   override func viewDidLoad() {
     super.viewDidLoad()
+    self.setPermissionsButtonState()
   }
 
   // MARK: - Actions
@@ -23,4 +26,14 @@ class OnboardingViewController: NSViewController {
       app.statusItem.button?.performClick(self)
     }
   }
+
+  // MARK: - Style
+
+  private func setPermissionsButtonState() {
+    let volumePermissions: Bool = [KeyboardVolume.media.rawValue, KeyboardVolume.both.rawValue].contains(prefs.integer(forKey: PrefKey.keyboardVolume.rawValue))
+    let brigthnessPermissions: Bool = [KeyboardBrightness.media.rawValue, KeyboardBrightness.both.rawValue].contains(prefs.integer(forKey: PrefKey.keyboardBrightness.rawValue))
+    let permissionsRequired: Bool = volumePermissions || brigthnessPermissions
+    let enabled: Bool = !MediaKeyTapManager.readPrivileges(prompt: false) && permissionsRequired
+    self.permissionsButton.image = enabled ? nil : NSImage(named: "onboarding_icon_checkmark")
+  }
 }