mirror of
https://github.com/netsurf-browser/netsurf
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91 lines
2.2 KiB
Objective-C
91 lines
2.2 KiB
Objective-C
/*
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* Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#import <Cocoa/Cocoa.h>
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#import "utils/errors.h"
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#import "cocoa/schedule.h"
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@interface ScheduledCallback : NSObject {
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void (*callback)( void *userData );
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void *userData;
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}
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- initWithCallback: (void (*)(void *))cb userData: (void *)ud;
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- (void) schedule: (NSTimeInterval) ti;
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@end
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@implementation ScheduledCallback
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- initWithCallback: (void (*)(void *))cb userData: (void *)ud;
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{
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callback = cb;
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userData = ud;
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return self;
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}
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static NSMutableSet *timerSet = nil;
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- (void) schedule: (NSTimeInterval) ti;
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{
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if (nil == timerSet) {
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timerSet = [[NSMutableSet alloc] init];
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}
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[self performSelector: @selector(timerFired) withObject: nil afterDelay: ti];
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[timerSet addObject: self];
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}
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- (void) timerFired;
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{
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if ([timerSet containsObject: self]) {
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[timerSet removeObject: self];
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callback( userData );
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}
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}
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- (BOOL) isEqual: (id)object
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{
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if (object == self) return YES;
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if ([object class] != [self class]) return NO;
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return ((ScheduledCallback *)object)->callback == callback && ((ScheduledCallback *)object)->userData == userData;
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}
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- (NSUInteger) hash;
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{
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return (NSUInteger)callback + (NSUInteger)userData;
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}
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@end
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/* exported interface documented in cocoa/schedule.h */
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nserror cocoa_schedule(int t, void (*callback)(void *p), void *p)
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{
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ScheduledCallback *cb = [[ScheduledCallback alloc] initWithCallback: callback userData: p];
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[timerSet removeObject: cb];
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if (t >= 0) {
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[cb schedule: (NSTimeInterval)t / 1000];
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}
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[cb release];
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return NSERROR_OK;
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}
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