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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#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];
}
}
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