[Linux] Simplify code, implement tray manager

Implement tray manager

Bug fixes

Bug fixes

linux/enums.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <QMetaType>
+
+namespace AirpodsTrayApp
+{
+    namespace Enums
+    {
+        Q_NAMESPACE
+
+        enum class NoiseControlMode : quint8
+        {
+            Off = 0,
+            NoiseCancellation = 1,
+            Transparency = 2,
+            Adaptive = 3,
+
+            MinValue = Off,
+            MaxValue = Adaptive,
+        };
+        Q_ENUM_NS(NoiseControlMode)
+    }
+}