1 files changed, 60 insertions, 0 deletions
diff --git a/src/utils/mac/SkEventNotifier.mm b/src/utils/mac/SkEventNotifier.mm
new file mode 100644
index 0000000000..f4f8a637f4
--- /dev/null
+++ b/src/utils/mac/SkEventNotifier.mm
@@ -0,0 +1,60 @@
+#import "SkEventNotifier.h"
+#include "SkEvent.h"
+#define SkEventClass @"SkEvenClass"
+@implementation SkEventNotifier
+- (id)init {
+    self = [super init];
+    if (self) {
+        //Register as an observer for SkEventClass events and call
+        //receiveSkEvent: upon receiving the event
+        [[NSNotificationCenter defaultCenter] addObserver:self
+                                                 selector:@selector(receiveSkEvent:)
+                                                     name:SkEventClass
+                                                   object:nil];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+    [super dealloc];
+}
+
+-(BOOL) acceptsFirstResponder {
+    return YES;
+}
+
+//SkEvent Handers
+- (void)receiveSkEvent:(NSNotification *)notification {
+    if(SkEvent::ProcessEvent())
+        SkEvent::SignalNonEmptyQueue();
+}
+
++ (void)postTimedSkEvent:(NSTimeInterval)timeInterval {
+    [NSTimer scheduledTimerWithTimeInterval:timeInterval target:self
+                                   selector:@selector(timerFireMethod:)
+                                   userInfo:nil repeats:NO];
+}
+
++ (void)timerFireMethod:(NSTimer*)theTimer {
+	SkEvent::ServiceQueueTimer();
+}
+
+@end
+////////////////////////////////////////////////////////////////////////////////
+void SkEvent::SignalNonEmptyQueue() {
+    //post a SkEventClass event to the default notification queue
+    NSNotification* notification = [NSNotification notificationWithName:SkEventClass object:nil];
+    [[NSNotificationQueue defaultQueue] enqueueNotification:notification
+                                               postingStyle:NSPostWhenIdle
+                                               coalesceMask:NSNotificationNoCoalescing
+                                                   forModes:nil];
+}
+
+void SkEvent::SignalQueueTimer(SkMSec delay) {
+	if (delay) {
+        //Convert to seconds
+        NSTimeInterval ti = delay/(float)SK_MSec1;
+        [SkEventNotifier postTimedSkEvent:ti];
+	}
+}