1 files changed, 76 insertions, 0 deletions
diff --git a/ios/WALT/MIDIEndpoint.m b/ios/WALT/MIDIEndpoint.m
new file mode 100644
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+++ b/ios/WALT/MIDIEndpoint.m
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "MIDIEndpoint.h"
+
+@interface MIDIEndpoint ()
+@property (readwrite, nonatomic, assign) MIDIEndpointRef endpoint;
+@end
+
+@implementation MIDIEndpoint
+- (NSString *)name {
+  CFStringRef result = CFSTR("");
+  MIDIObjectGetStringProperty(self.endpoint, kMIDIPropertyDisplayName, &result);
+  return CFBridgingRelease(result);
+}
+
+- (BOOL)isOnline {
+  SInt32 result = 1;
+  MIDIObjectGetIntegerProperty(self.endpoint, kMIDIPropertyOffline, &result);
+  return (result == 0 ? YES : NO);
+}
+@end
+
+@implementation MIDIDestination
++ (NSArray *)allDestinations {
+  NSMutableArray<MIDIDestination *> *destinations =
+      [[NSMutableArray<MIDIDestination *> alloc] init];
+  
+  ItemCount destinationCount = MIDIGetNumberOfDestinations();
+  for (ItemCount i = 0; i < destinationCount; ++i) {
+    MIDIEndpointRef endpoint = MIDIGetDestination(i);
+    if (endpoint) {
+      MIDIDestination *destination = [[MIDIDestination alloc] init];
+      destination.endpoint = endpoint;
+      [destinations addObject:destination];
+    } else {
+      NSLog(@"Error getting destination at index %lud, skipping.", i);
+    }
+  }
+  
+  return destinations;
+}
+@end
+
+@implementation MIDISource
++ (NSArray *)allSources {
+  NSMutableArray<MIDISource *> *sources = [[NSMutableArray<MIDISource *> alloc] init];
+  
+  ItemCount sourceCount = MIDIGetNumberOfSources();
+  for (ItemCount i = 0; i < sourceCount; ++i) {
+    MIDIEndpointRef endpoint = MIDIGetSource(i);
+    if (endpoint) {
+      MIDISource *source = [[MIDISource alloc] init];
+      source.endpoint = endpoint;
+      [sources addObject:source];
+    } else {
+      NSLog(@"Error getting source at index %lud, skipping.", i);
+    }
+  }
+  
+  return sources;
+}
+@end