1 files changed, 44 insertions, 0 deletions
diff --git a/Framework/MASHotKey.m b/Framework/MASHotKey.m
new file mode 100644
index 0000000..7886440
--- /dev/null
+++ b/Framework/MASHotKey.m
@@ -0,0 +1,44 @@
+#import "MASHotKey.h"
+
+FourCharCode const MASHotKeySignature = 'MASS';
+
+@interface MASHotKey ()
+@property(assign) EventHotKeyRef hotKeyRef;
+@property(assign) UInt32 carbonID;
+@end
+
+@implementation MASHotKey
+
+- (instancetype) initWithShortcut: (MASShortcut*) shortcut
+{
+    self = [super init];
+
+    static UInt32 CarbonHotKeyID = 0;
+
+    _carbonID = ++CarbonHotKeyID;
+    EventHotKeyID hotKeyID = { .signature = MASHotKeySignature, .id = _carbonID };
+
+    OSStatus status = RegisterEventHotKey([shortcut carbonKeyCode], [shortcut carbonFlags],
+        hotKeyID, GetEventDispatcherTarget(), kEventHotKeyExclusive, &_hotKeyRef);
+
+    if (status != noErr) {
+        return nil;
+    }
+
+    return self;
+}
+
++ (instancetype) registeredHotKeyWithShortcut: (MASShortcut*) shortcut
+{
+    return [[self alloc] initWithShortcut:shortcut];
+}
+
+- (void) dealloc
+{
+    if (_hotKeyRef) {
+        UnregisterEventHotKey(_hotKeyRef);
+        _hotKeyRef = NULL;
+    }
+}
+
+@end