[coremidi] Add missing API for macOS (10.15+) (#10878)

The API were already available (iOS) and this helps fixing tests for
MacCatalyst (as it's based on our iOS API but expose the same issue
as macOS wrt extra ctor/init).

src/CoreMidi/MidiCompat.cs

@@ -29,5 +29,17 @@ namespace CoreMidi {
 	} 
 #endif
 
+#if !MONOMAC && !__MACCATALYST__
+	public partial class MidiNetworkConnection {
+		[Obsolete ("Use static factory method to create an instance.")]
+		public MidiNetworkConnection () => throw new NotSupportedException ();
+	}
+
+	public partial class MidiNetworkHost {
+		[Obsolete ("Use static factory method to create an instance.")]
+		public MidiNetworkHost () => throw new NotSupportedException ();
+	}
+#endif
+
 }
 #endif

src/ObjCRuntime/Dlfcn.cs

@@ -54,11 +54,6 @@ namespace ObjCRuntime {
 		static public class LibC {
 			static public readonly IntPtr Handle = Dlfcn.dlopen (Constants.libcLibrary, 0);
 		}
-#if MONOMAC
-		static public class CoreMidi {
-			static public readonly IntPtr Handle = Dlfcn.dlopen (Constants.CoreMidiLibrary, 0);
-		}
-#endif
 #if HAS_OPENGLES
 		static public class OpenGLES
 		{

src/coremidi.cs

@@ -96,10 +96,10 @@ namespace CoreMidi {
 	}
 
 
-		
-#if !MONOMAC
-	[NoMac][NoTV][NoWatch]
+	[NoTV][NoWatch]
+	[Mac (10,15)]
 	[BaseType (typeof (NSObject), Name="MIDINetworkHost")]
+	[DisableDefaultCtor]
 	interface MidiNetworkHost {
 		[Export ("name", ArgumentSemantic.Retain)]
 		string Name { get;  }
@@ -134,7 +134,8 @@ namespace CoreMidi {
 		bool HasSameAddressAs (MidiNetworkHost other);
 	}
 
-	[NoMac][NoTV][NoWatch]
+	[NoTV][NoWatch]
+	[Mac (10,15)]
 	[Static]
 	interface Midi {
 		[Field ("MIDINetworkNotificationContactsDidChange")]
@@ -149,7 +150,9 @@ namespace CoreMidi {
 		NSString NetworkBonjourServiceType { get; }
 	}
 
-	[NoMac][NoTV][NoWatch]
+	[NoTV][NoWatch]
+	[Mac (10,15)]
+	[DisableDefaultCtor]
 	[BaseType (typeof (NSObject), Name="MIDINetworkConnection")]
 	interface MidiNetworkConnection {
 		[Export ("host", ArgumentSemantic.Retain)]
@@ -159,7 +162,8 @@ namespace CoreMidi {
 		MidiNetworkConnection FromHost (MidiNetworkHost host);
 	}
 
-	[NoMac][NoTV][NoWatch]
+	[NoTV][NoWatch]
+	[Mac (10,15)]
 	[BaseType (typeof (NSObject), Name="MIDINetworkSession")]
 	// default 'init' crash the application
 	[DisableDefaultCtor]
@@ -224,7 +228,6 @@ namespace CoreMidi {
 #endif
 
 	}
-#endif
 
 	[NoWatch, NoTV, Mac (10,14), iOS (12,0)]
 	[BaseType (typeof(NSObject), Name="MIDICIProfile")]

tests/xtro-sharpie/macOS-CoreMIDI.todo

@@ -1,33 +0,0 @@
-!missing-field! MIDINetworkBonjourServiceType not bound
-!missing-field! MIDINetworkNotificationContactsDidChange not bound
-!missing-field! MIDINetworkNotificationSessionDidChange not bound
-!missing-selector! +MIDINetworkConnection::connectionWithHost: not bound
-!missing-selector! +MIDINetworkHost::hostWithName:address:port: not bound
-!missing-selector! +MIDINetworkHost::hostWithName:netService: not bound
-!missing-selector! +MIDINetworkHost::hostWithName:netServiceName:netServiceDomain: not bound
-!missing-selector! +MIDINetworkSession::defaultSession not bound
-!missing-selector! MIDINetworkConnection::host not bound
-!missing-selector! MIDINetworkHost::address not bound
-!missing-selector! MIDINetworkHost::hasSameAddressAs: not bound
-!missing-selector! MIDINetworkHost::name not bound
-!missing-selector! MIDINetworkHost::netServiceDomain not bound
-!missing-selector! MIDINetworkHost::netServiceName not bound
-!missing-selector! MIDINetworkHost::port not bound
-!missing-selector! MIDINetworkSession::addConnection: not bound
-!missing-selector! MIDINetworkSession::addContact: not bound
-!missing-selector! MIDINetworkSession::connectionPolicy not bound
-!missing-selector! MIDINetworkSession::connections not bound
-!missing-selector! MIDINetworkSession::contacts not bound
-!missing-selector! MIDINetworkSession::destinationEndpoint not bound
-!missing-selector! MIDINetworkSession::isEnabled not bound
-!missing-selector! MIDINetworkSession::localName not bound
-!missing-selector! MIDINetworkSession::networkName not bound
-!missing-selector! MIDINetworkSession::networkPort not bound
-!missing-selector! MIDINetworkSession::removeConnection: not bound
-!missing-selector! MIDINetworkSession::removeContact: not bound
-!missing-selector! MIDINetworkSession::setConnectionPolicy: not bound
-!missing-selector! MIDINetworkSession::setEnabled: not bound
-!missing-selector! MIDINetworkSession::sourceEndpoint not bound
-!missing-type! MIDINetworkConnection not bound
-!missing-type! MIDINetworkHost not bound
-!missing-type! MIDINetworkSession not bound