scan handling

Author: Bang0123

flic2lib.Maui/FlicManager.android.cs

@@ -1,5 +1,6 @@
 using Flic2lib.Android;
 using Android.OS;
+using static Android.Provider.Telephony.Mms;
 
 namespace flic2lib.Maui;
 
@@ -76,19 +77,19 @@ internal void OnScanComplete(int result, int subCode, Flic2Button? button)
         if (result == (int)FlicScanResult.SCAN_RESULT_SUCCESS)
         {
             if (button == null) return;
-            // Success!
-            // The button object can now be used
             if (_cachedButtons.FirstOrDefault(cb => cb.Uuid == button?.Uuid) is FlicButton { } cachedButton)
             {
                 _cachedButtons.Remove(cachedButton);
             }
-
-            _cachedButtons.Add(new FlicButton(button));
+            var btn = new FlicButton(button);
+            _cachedButtons.Add(btn);
+            ButtonDiscovered?.Invoke(this, new FlicScanButtonDiscoveredEvent(btn));
+            ScanEnded?.Invoke(this, new FlicScanEndedEvent((FlicScanResult)result));
         }
         else
         {
             // Failed
-            // oh no ¯\_(ツ)_ /¯
+            ScanFailed?.Invoke(this, new FlicScanFailedEvent((FlicScanResult)result));
         }
     }
 
@@ -112,14 +113,17 @@ public void OnComplete(int result, int subCode, Flic2Button? button)
 
         public void OnConnected()
         {
+            // ignored
         }
 
         public void OnDiscovered(string? bdAddr)
         {
+            // ignored
         }
 
         public void OnDiscoveredAlreadyPairedButton(Flic2Button? button)
         {
+            // ignored
         }
     }
 }

flic2lib.Maui/FlicManager.cs

@@ -4,10 +4,13 @@ public partial class FlicManager : IFlicManager
 {
     private readonly IList<FlicButton> _cachedButtons;
     private readonly static Lazy<FlicManager> _lazyInstance = new(() => new FlicManager(), LazyThreadSafetyMode.ExecutionAndPublication);
+    public event EventHandler<FlicScanButtonDiscoveredEvent>? ButtonDiscovered;
+    public event EventHandler<FlicScanEndedEvent>? ScanEnded;
+    public event EventHandler<FlicScanFailedEvent>? ScanFailed;
     public static bool IsInitialized { get; private set; }
     internal static FlicManager Instance => _lazyInstance.Value;
     public IEnumerable<FlicButton>? Buttons => GetButtons();
-
+    
     private FlicManager()
     {
         _cachedButtons = new List<FlicButton>();
@@ -24,4 +27,8 @@ public void ClearCache()
     public partial FlicButton? GetButtonByUuid(string? uuid);
     public partial void ForgetButton(FlicButton button);
     private partial IEnumerable<FlicButton>? GetButtons();
-}
+}
+
+public record FlicScanButtonDiscoveredEvent(FlicButton? Button);
+public record FlicScanEndedEvent(FlicScanResult ScanResult);
+public record FlicScanFailedEvent(FlicScanResult ScanResult);

flic2lib.Maui/FlicManager.ios.cs

@@ -35,14 +35,18 @@ private void ScanCompletionHandler(FLICButton button, NSError error)
     {
         if (error != null)
         {
-            // oh no ¯\_(ツ)_/¯
+            // TODO: test on ios
+            ScanFailed?.Invoke(this, new FlicScanFailedEvent((FlicScanResult)error.Code));
+            return;
         }
         if (_cachedButtons.FirstOrDefault(cb => cb.Uuid == button.Uuid) is FlicButton { } cachedButton)
         {
             _cachedButtons.Remove(cachedButton);
         }
-
-        _cachedButtons.Add(new FlicButton(button));
+        var btn = new FlicButton(button);
+        _cachedButtons.Add(btn);
+        ButtonDiscovered?.Invoke(this, new FlicScanButtonDiscoveredEvent(btn));
+        ScanEnded?.Invoke(this, new FlicScanEndedEvent(FlicScanResult.SCAN_RESULT_SUCCESS));
     }
 
     public partial void StopScan()