location icon change when bg location sharing is activated (#120)

* add location activated icon
* make the location button on the top bar change when background location sharing is on.

Author: zoff99

Antidote/ChatPrivateController.swift

@@ -534,10 +534,14 @@ extension ChatPrivateController {
             if (action_title == "Disable")
             {
                 AppDelegate.location_sharing_contact_pubkey = "-1"
+                let locationImage = UIImage(named: "location-call-medium")!.withRenderingMode(.alwaysOriginal)
+                locationButton.setBackgroundImage(locationImage, for: .normal, barMetrics: .default)
             }
             else
             {
                 AppDelegate.location_sharing_contact_pubkey = self.friend?.publicKey ?? "-1"
+                let locationImage = UIImage(named: "location-call-activated-medium")!.withRenderingMode(.alwaysOriginal)
+                locationButton.setBackgroundImage(locationImage, for: .normal, barMetrics: .default)
 
                 DispatchQueue.global(qos: .userInitiated).async {
 
@@ -1464,11 +1468,16 @@ private extension ChatPrivateController {
         else {
             let audioImage = UIImage(named: "start-call-medium")!
             let videoImage = UIImage(named: "video-call-medium")!
-            let locationImage = UIImage(named: "location-call-medium")!.withRenderingMode(.alwaysTemplate)
+            let locationImage = UIImage(named: "location-call-medium")!.withRenderingMode(.alwaysOriginal)
             audioButton = UIBarButtonItem(image: audioImage, style: .plain, target: self, action: #selector(ChatPrivateController.audioCallButtonPressed))
             videoButton = UIBarButtonItem(image: videoImage, style: .plain, target: self, action: #selector(ChatPrivateController.videoCallButtonPressed))
             locationButton = UIBarButtonItem(image: locationImage, style: .plain, target: self, action: #selector(ChatPrivateController.locationButtonPressed))
-            
+
+            if (AppDelegate.location_sharing_contact_pubkey != "-1") {
+                let locationImage = UIImage(named: "location-call-activated-medium")!.withRenderingMode(.alwaysOriginal)
+                locationButton.setBackgroundImage(locationImage, for: .normal, barMetrics: .default)
+            }
+
             navigationItem.leftBarButtonItems = nil
             navigationItem.rightBarButtonItems = [
                 videoButton,

Antidote/Images.xcassets/Controllers/Call/location-call-activated-medium.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "location-call-activated-medium.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "location-call-activated-medium@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}