From b58dcc351f3f7ec32ecb0553436ff9ee76e52551 Mon Sep 17 00:00:00 2001
From: John Mark Bell <jmb@netsurf-browser.org>
Date: Wed, 12 Jan 2011 20:21:17 +0000
Subject: Cocoa front end (credit: Sven Weidauer)

svn path=/trunk/netsurf/; revision=11292
---
 cocoa/schedule.m | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 cocoa/schedule.m

(limited to 'cocoa/schedule.m')

diff --git a/cocoa/schedule.m b/cocoa/schedule.m
new file mode 100644
index 000000000..b5d5626af
--- /dev/null
+++ b/cocoa/schedule.m
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "desktop/browser.h"
+
+#import <Cocoa/Cocoa.h>
+
+@interface ScheduledCallback : NSObject {
+	void (*callback)( void *userData );
+	void *userData;
+}
+
+- initWithCallback: (void (*)(void *))cb userData: (void *)ud;
+- (void) schedule: (NSTimeInterval) ti;
+
+@end
+
+@implementation ScheduledCallback
+
+- initWithCallback: (void (*)(void *))cb userData: (void *)ud;
+{
+	callback = cb;
+	userData = ud;
+	
+	return self;
+}
+
+static NSMutableSet *timerSet = nil;
+
+- (void) schedule: (NSTimeInterval) ti;
+{
+	if (nil == timerSet) {
+		timerSet = [[NSMutableSet alloc] init];
+	}
+	
+	[self performSelector: @selector(timerFired) withObject: nil afterDelay: ti];
+	[timerSet addObject: self];
+}
+
+- (void) timerFired;
+{
+	if ([timerSet containsObject: self]) {
+		[timerSet removeObject: self];
+		callback( userData );
+	}
+}
+
+- (BOOL) isEqual: (id)object
+{
+	if (object == self) return YES;
+	if ([object class] != [self class]) return NO;
+	return ((ScheduledCallback *)object)->callback == callback &&	((ScheduledCallback *)object)->userData == userData;
+}
+
+- (NSUInteger) hash;
+{
+	return (NSUInteger)callback + (NSUInteger)userData;
+}
+
+@end
+
+/* In platform specific schedule.c. */
+void schedule(int t, void (*callback)(void *p), void *p)
+{
+	ScheduledCallback *cb = [[ScheduledCallback alloc] initWithCallback: callback userData: p];
+	[cb schedule: (NSTimeInterval)t / 100];
+	[cb release];
+}
+
+void schedule_remove(void (*callback)(void *p), void *p)
+{
+	ScheduledCallback *cb = [[ScheduledCallback alloc] initWithCallback: callback userData: p];
+	[timerSet removeObject: cb];
+	[cb release];
+}
+
-- 
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