Add the SPMediaKeyTap thirdparty lib.

thirdparty/SPMediaKeyTap/SPMediaKeyTap.h

@@ -0,0 +1,34 @@
+#include <Cocoa/Cocoa.h>
+#import <IOKit/hidsystem/ev_keymap.h>
+#import <Carbon/Carbon.h>
+
+// http://overooped.com/post/2593597587/mediakeys
+
+#define SPSystemDefinedEventMediaKeys 8
+
+@interface SPMediaKeyTap : NSObject {
+	EventHandlerRef _app_switching_ref;
+	EventHandlerRef _app_terminating_ref;
+	CFMachPortRef _eventPort;
+	CFRunLoopSourceRef _eventPortSource;
+	CFRunLoopRef _tapThreadRL;
+	BOOL _shouldInterceptMediaKeyEvents;
+	id _delegate;
+	// The app that is frontmost in this list owns media keys
+	NSMutableArray *_mediaKeyAppList;
+}
++ (NSArray*)defaultMediaKeyUserBundleIdentifiers;
+
+-(id)initWithDelegate:(id)delegate;
+
++(BOOL)usesGlobalMediaKeyTap;
+-(void)startWatchingMediaKeys;
+-(void)stopWatchingMediaKeys;
+-(void)handleAndReleaseMediaKeyEvent:(NSEvent *)event;
+@end
+
+@interface NSObject (SPMediaKeyTapDelegate)
+-(void)mediaKeyTap:(SPMediaKeyTap*)keyTap receivedMediaKeyEvent:(NSEvent*)event;
+@end
+
+extern NSString *kMediaKeyUsingBundleIdentifiersDefaultsKey;