91 lines
2.2 KiB
Objective-C
91 lines
2.2 KiB
Objective-C
/*
|
|
* 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 <Cocoa/Cocoa.h>
|
|
|
|
#import "utils/errors.h"
|
|
|
|
#import "cocoa/schedule.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
|
|
|
|
/* exported interface documented in cocoa/schedule.h */
|
|
nserror cocoa_schedule(int t, void (*callback)(void *p), void *p)
|
|
{
|
|
ScheduledCallback *cb = [[ScheduledCallback alloc] initWithCallback: callback userData: p];
|
|
[timerSet removeObject: cb];
|
|
if (t >= 0) {
|
|
[cb schedule: (NSTimeInterval)t / 1000];
|
|
}
|
|
[cb release];
|
|
|
|
return NSERROR_OK;
|
|
}
|