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5f7871270a
directly in source files because the config.h file is system dependent, used just for compiling the source, and should not be installed. Some minor bug fixes. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@2619 72102866-910b-0410-8b05-ffd578937521
157 lines
3.7 KiB
Objective-C
157 lines
3.7 KiB
Objective-C
/* Implementation of NSTimer for GNUstep
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Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
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Created: March 1996
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <config.h>
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#include <Foundation/NSTimer.h>
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#include <Foundation/NSDate.h>
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#include <Foundation/NSException.h>
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#include <Foundation/NSRunLoop.h>
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#include <gnustep/base/Invocation.h>
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@implementation NSTimer
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/* This is the designated initializer. */
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- initWithTimeInterval: (NSTimeInterval)seconds
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targetOrInvocation: t
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selector: (SEL)sel
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userInfo: info
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repeats: (BOOL)f
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{
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[super init];
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_interval = seconds;
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_fire_date = [[NSDate alloc] initWithTimeIntervalSinceNow: seconds];
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_retain_count = 0;
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_is_valid = YES;
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_target = t;
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_selector = sel;
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_info = info;
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_repeats = f;
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return self;
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}
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- (void) dealloc
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{
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[_fire_date release];
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[super dealloc];
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}
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+ timerWithTimeInterval: (NSTimeInterval)ti
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invocation: invocation
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repeats: (BOOL)f
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{
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return [[[self alloc] initWithTimeInterval: ti
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targetOrInvocation: invocation
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selector: NULL
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userInfo: nil
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repeats: f]
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autorelease];
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}
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+ timerWithTimeInterval: (NSTimeInterval)ti
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target: object
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selector: (SEL)selector
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userInfo: info
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repeats: (BOOL)f
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{
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return [[[self alloc] initWithTimeInterval: ti
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targetOrInvocation: object
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selector: selector
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userInfo: info
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repeats: f]
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autorelease];
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}
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+ scheduledTimerWithTimeInterval: (NSTimeInterval)ti
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invocation: invocation
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repeats: (BOOL)f
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{
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id t = [self timerWithTimeInterval: ti
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invocation: invocation
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repeats: f];
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[[NSRunLoop currentRunLoop] addTimer: t forMode: NSDefaultRunLoopMode];
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return t;
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}
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+ scheduledTimerWithTimeInterval: (NSTimeInterval)ti
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target: object
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selector: (SEL)selector
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userInfo: info
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repeats: (BOOL)f
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{
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id t = [self timerWithTimeInterval: ti
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target: object
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selector: selector
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userInfo: info
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repeats: f];
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[[NSRunLoop currentRunLoop] addTimer: t forMode: NSDefaultRunLoopMode];
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return t;
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}
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- (void) fire
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{
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if (_selector)
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[_target perform: _selector withObject: self];
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else
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[_target invoke];
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if (!_repeats)
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[self invalidate];
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else if (_is_valid)
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{
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NSTimeInterval ti = [_fire_date timeIntervalSinceReferenceDate];
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NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
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assert (now < 0.0);
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while (ti < now) // xxx remove this
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ti += _interval;
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[_fire_date release];
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_fire_date = [[NSDate alloc] initWithTimeIntervalSinceReferenceDate: ti];
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}
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}
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- (void) invalidate
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{
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assert (_is_valid);
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_is_valid = NO;
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}
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- (BOOL) isValid
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{
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return _is_valid;
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}
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- fireDate
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{
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return _fire_date;
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}
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- userInfo
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{
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return _info;
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}
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- (int)compare:(NSTimer*)anotherTimer
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{
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return [_fire_date compare: anotherTimer->_fire_date];
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}
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@end
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