/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <stdlib.h>
#include <assert.h>
#import "OFTimer.h"
#import "OFTimer+Private.h"
#import "OFDate.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
#ifdef OF_HAVE_THREADS
# import "OFCondition.h"
#endif
#import "OFInvalidArgumentException.h"
@implementation OFTimer
@synthesize timeInterval = _interval, repeating = _repeats, valid = _valid;
+ (instancetype)scheduledTimerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
repeats: repeats] autorelease];
[[OFRunLoop currentRunLoop] addTimer: timer];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
+ (instancetype)scheduledTimerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
object: (id)object
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
object: object
repeats: repeats] autorelease];
[[OFRunLoop currentRunLoop] addTimer: timer];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
+ (instancetype)scheduledTimerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
object: object1
object: object2
repeats: repeats] autorelease];
[[OFRunLoop currentRunLoop] addTimer: timer];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
+ (instancetype)scheduledTimerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
object: (id)object3
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
object: object1
object: object2
object: object3
repeats: repeats] autorelease];
[[OFRunLoop currentRunLoop] addTimer: timer];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
+ (instancetype)scheduledTimerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
object: (id)object3
object: (id)object4
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
object: object1
object: object2
object: object3
object: object4
repeats: repeats] autorelease];
[[OFRunLoop currentRunLoop] addTimer: timer];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
#ifdef OF_HAVE_BLOCKS
+ (instancetype)scheduledTimerWithTimeInterval: (of_time_interval_t)timeInterval
repeats: (bool)repeats
block: (of_timer_block_t)block
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
repeats: repeats
block: block] autorelease];
[[OFRunLoop currentRunLoop] addTimer: timer];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
#endif
+ (instancetype)timerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
repeats: repeats] autorelease];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
+ (instancetype)timerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
object: (id)object
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
object: object
repeats: repeats] autorelease];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
+ (instancetype)timerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
object: object1
object: object2
repeats: repeats] autorelease];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
+ (instancetype)timerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
object: (id)object3
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
object: object1
object: object2
object: object3
repeats: repeats] autorelease];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
+ (instancetype)timerWithTimeInterval: (of_time_interval_t)timeInterval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
object: (id)object3
object: (id)object4
repeats: (bool)repeats
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
target: target
selector: selector
object: object1
object: object2
object: object3
object: object4
repeats: repeats] autorelease];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
#ifdef OF_HAVE_BLOCKS
+ (instancetype)timerWithTimeInterval: (of_time_interval_t)timeInterval
repeats: (bool)repeats
block: (of_timer_block_t)block
{
void *pool = objc_autoreleasePoolPush();
OFDate *fireDate = [OFDate dateWithTimeIntervalSinceNow: timeInterval];
id timer = [[[self alloc] initWithFireDate: fireDate
interval: timeInterval
repeats: repeats
block: block] autorelease];
[timer retain];
objc_autoreleasePoolPop(pool);
return [timer autorelease];
}
#endif
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)of_initWithFireDate: (OFDate *)fireDate
interval: (of_time_interval_t)interval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
object: (id)object3
object: (id)object4
arguments: (uint8_t)arguments
repeats: (bool)repeats OF_METHOD_FAMILY(init)
{
self = [super init];
@try {
_fireDate = [fireDate retain];
_interval = interval;
_target = [target retain];
_selector = selector;
_object1 = [object1 retain];
_object2 = [object2 retain];
_object3 = [object3 retain];
_object4 = [object4 retain];
_arguments = arguments;
_repeats = repeats;
_valid = true;
#ifdef OF_HAVE_THREADS
_condition = [[OFCondition alloc] init];
#endif
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithFireDate: (OFDate *)fireDate
interval: (of_time_interval_t)interval
target: (id)target
selector: (SEL)selector
repeats: (bool)repeats
{
return [self of_initWithFireDate: fireDate
interval: interval
target: target
selector: selector
object: nil
object: nil
object: nil
object: nil
arguments: 0
repeats: repeats];
}
- (instancetype)initWithFireDate: (OFDate *)fireDate
interval: (of_time_interval_t)interval
target: (id)target
selector: (SEL)selector
object: (id)object
repeats: (bool)repeats
{
return [self of_initWithFireDate: fireDate
interval: interval
target: target
selector: selector
object: object
object: nil
object: nil
object: nil
arguments: 1
repeats: repeats];
}
- (instancetype)initWithFireDate: (OFDate *)fireDate
interval: (of_time_interval_t)interval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
repeats: (bool)repeats
{
return [self of_initWithFireDate: fireDate
interval: interval
target: target
selector: selector
object: object1
object: object2
object: nil
object: nil
arguments: 2
repeats: repeats];
}
- (instancetype)initWithFireDate: (OFDate *)fireDate
interval: (of_time_interval_t)interval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
object: (id)object3
repeats: (bool)repeats
{
return [self of_initWithFireDate: fireDate
interval: interval
target: target
selector: selector
object: object1
object: object2
object: object3
object: nil
arguments: 3
repeats: repeats];
}
- (instancetype)initWithFireDate: (OFDate *)fireDate
interval: (of_time_interval_t)interval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
object: (id)object3
object: (id)object4
repeats: (bool)repeats
{
return [self of_initWithFireDate: fireDate
interval: interval
target: target
selector: selector
object: object1
object: object2
object: object3
object: object4
arguments: 4
repeats: repeats];
}
#ifdef OF_HAVE_BLOCKS
- (instancetype)initWithFireDate: (OFDate *)fireDate
interval: (of_time_interval_t)interval
repeats: (bool)repeats
block: (of_timer_block_t)block
{
self = [super init];
@try {
_fireDate = [fireDate retain];
_interval = interval;
_repeats = repeats;
_block = [block copy];
_valid = true;
# ifdef OF_HAVE_THREADS
_condition = [[OFCondition alloc] init];
# endif
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
#endif
- (void)dealloc
{
/*
* The run loop references the timer, so it should never be deallocated
* if it is still in a run loop.
*/
assert(_inRunLoop == nil);
assert(_inRunLoopMode == nil);
[_fireDate release];
[_target release];
[_object1 release];
[_object2 release];
[_object3 release];
[_object4 release];
#ifdef OF_HAVE_BLOCKS
[_block release];
#endif
#ifdef OF_HAVE_THREADS
[_condition release];
#endif
[super dealloc];
}
- (of_comparison_result_t)compare: (id <OFComparing>)object
{
OFTimer *timer;
if (![(id)object isKindOfClass: [OFTimer class]])
@throw [OFInvalidArgumentException exception];
timer = (OFTimer *)object;
return [_fireDate compare: timer->_fireDate];
}
- (void)of_setInRunLoop: (OFRunLoop *)runLoop
mode: (of_run_loop_mode_t)mode
{
OFRunLoop *oldInRunLoop = _inRunLoop;
of_run_loop_mode_t oldInRunLoopMode = _inRunLoopMode;
_inRunLoop = [runLoop retain];
[oldInRunLoop release];
_inRunLoopMode = [mode copy];
[oldInRunLoopMode release];
}
- (void)fire
{
void *pool = objc_autoreleasePoolPush();
id target = [[_target retain] autorelease];
id object1 = [[_object1 retain] autorelease];
id object2 = [[_object2 retain] autorelease];
id object3 = [[_object3 retain] autorelease];
id object4 = [[_object4 retain] autorelease];
OF_ENSURE(_arguments <= 4);
if (_repeats && _valid) {
int64_t missedIntervals =
-_fireDate.timeIntervalSinceNow / _interval;
of_time_interval_t newFireDate;
OFRunLoop *runLoop;
/* In case the clock was changed backwards */
if (missedIntervals < 0)
missedIntervals = 0;
newFireDate = _fireDate.timeIntervalSince1970 +
(missedIntervals + 1) * _interval;
[_fireDate release];
_fireDate = [[OFDate alloc]
initWithTimeIntervalSince1970: newFireDate];
runLoop = [OFRunLoop currentRunLoop];
[runLoop addTimer: self
forMode: runLoop.currentMode];
} else
[self invalidate];
#ifdef OF_HAVE_BLOCKS
if (_block != NULL)
_block(self);
else {
#endif
switch (_arguments) {
case 0:
[target performSelector: _selector];
break;
case 1:
[target performSelector: _selector
withObject: object1];
break;
case 2:
[target performSelector: _selector
withObject: object1
withObject: object2];
break;
case 3:
[target performSelector: _selector
withObject: object1
withObject: object2
withObject: object3];
break;
case 4:
[target performSelector: _selector
withObject: object1
withObject: object2
withObject: object3
withObject: object4];
break;
}
#ifdef OF_HAVE_BLOCKS
}
#endif
#ifdef OF_HAVE_THREADS
[_condition lock];
@try {
_done = true;
[_condition signal];
} @finally {
[_condition unlock];
}
#endif
objc_autoreleasePoolPop(pool);
}
- (OFDate *)fireDate
{
return _fireDate;
}
- (void)setFireDate: (OFDate *)fireDate
{
[self retain];
@try {
@synchronized (self) {
OFDate *old;
[_inRunLoop of_removeTimer: self
forMode: _inRunLoopMode];
old = _fireDate;
_fireDate = [fireDate copy];
[old release];
[_inRunLoop addTimer: self
forMode: _inRunLoopMode];
}
} @finally {
[self release];
}
}
- (void)invalidate
{
_valid = false;
[_target release];
[_object1 release];
[_object2 release];
[_object3 release];
[_object4 release];
_target = nil;
_object1 = nil;
_object2 = nil;
_object3 = nil;
_object4 = nil;
}
#ifdef OF_HAVE_THREADS
- (void)waitUntilDone
{
[_condition lock];
@try {
if (_done) {
_done = false;
return;
}
[_condition wait];
} @finally {
[_condition unlock];
}
}
#endif
@end