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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012
* Jonathan Schleifer <js@webkeks.org>
*
* 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.
*/
#import "OFObject.h"
@class OFTimer;
@class OFDate;
@class OFCondition;
#ifdef OF_HAVE_BLOCKS
typedef void (^of_timer_block_t)(OFTimer*);
#endif
/**
* \brief A class for creating and firing timers.
*/
@interface OFTimer: OFObject <OFComparing>
{
OFDate *fireDate;
double interval;
id target, object1, object2;
SEL selector;
uint8_t arguments;
BOOL repeats;
#ifdef OF_HAVE_BLOCKS
of_timer_block_t block;
#endif
BOOL isValid, done;
OFCondition *condition;
}
#ifdef OF_HAVE_PROPERTIES
@property (readonly, retain) OFDate *fireDate;
#endif
/**
* \brief Creates and schedules a new timer with the specified time interval.
*
* \param interval The time interval after which the timer should be executed
* when fired
* \param target The target on which to call the selector
* \param selector The selector to call on the target
* \param repeats Whether the timer repeats after it has been executed
* \return A new, autoreleased timer
*/
+ scheduledTimerWithTimeInterval: (double)interval
target: (id)target
selector: (SEL)selector
repeats: (BOOL)repeats;
/**
* \brief Creates and schedules a new timer with the specified time interval.
*
* \param interval The time interval after which the timer should be executed
* when fired
* \param target The target on which to call the selector
* \param selector The selector to call on the target
* \param object An object to pass when calling the selector on the target
* \param repeats Whether the timer repeats after it has been executed
* \return A new, autoreleased timer
*/
+ scheduledTimerWithTimeInterval: (double)interval
target: (id)target
selector: (SEL)selector
object: (id)object
repeats: (BOOL)repeats;
/**
* \brief Creates and schedules a new timer with the specified time interval.
*
* \param interval The time interval after which the timer should be executed
* when fired
* \param target The target on which to call the selector
* \param selector The selector to call on the target
* \param object1 The first object to pass when calling the selector on the
* target
* \param object2 The second object to pass when calling the selector on the
* target
* \param repeats Whether the timer repeats after it has been executed
* \return A new, autoreleased timer
*/
+ scheduledTimerWithTimeInterval: (double)interval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
repeats: (BOOL)repeats;
#ifdef OF_HAVE_BLOCKS
/**
* \brief Creates and schedules a new timer with the specified time interval.
*
* \param interval The time interval after which the timer should be executed
* when fired
* \param repeats Whether the timer repeats after it has been executed
* \param block The block to invoke when the timer fires
* \return A new, autoreleased timer
*/
+ scheduledTimerWithTimeInterval: (double)interval
repeats: (BOOL)repeats
block: (of_timer_block_t)block;
#endif
/**
* \brief Creates a new timer with the specified time interval.
*
* \param interval The time interval after which the timer should be executed
* when fired
* \param target The target on which to call the selector
* \param selector The selector to call on the target
* \param repeats Whether the timer repeats after it has been executed
* \return A new, autoreleased timer
*/
+ timerWithTimeInterval: (double)interval
target: (id)target
selector: (SEL)selector
repeats: (BOOL)repeats;
/**
* \brief Creates a new timer with the specified time interval.
*
* \param interval The time interval after which the timer should be executed
* when fired
* \param target The target on which to call the selector
* \param selector The selector to call on the target
* \param object An object to pass when calling the selector on the target
* \param repeats Whether the timer repeats after it has been executed
* \return A new, autoreleased timer
*/
+ timerWithTimeInterval: (double)interval
target: (id)target
selector: (SEL)selector
object: (id)object
repeats: (BOOL)repeats;
/**
* \brief Creates a new timer with the specified time interval.
*
* \param interval The time interval after which the timer should be executed
* when fired
* \param target The target on which to call the selector
* \param selector The selector to call on the target
* \param object1 The first object to pass when calling the selector on the
* target
* \param object2 The second object to pass when calling the selector on the
* target
* \param repeats Whether the timer repeats after it has been executed
* \return A new, autoreleased timer
*/
+ timerWithTimeInterval: (double)interval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
repeats: (BOOL)repeats;
#ifdef OF_HAVE_BLOCKS
/**
* \brief Creates a new timer with the specified time interval.
*
* \param interval The time interval after which the timer should be executed
* when fired
* \param repeats Whether the timer repeats after it has been executed
* \param block The block to invoke when the timer fires
* \return A new, autoreleased timer
*/
+ timerWithTimeInterval: (double)interval
repeats: (BOOL)repeats
block: (of_timer_block_t)block;
#endif
/**
* \brief Initializes an already allocated timer with the specified time
* interval.
*
* \param fireDate The date at which the timer should fire
* \param interval The time interval after which to repeat the timer, if it is
* a repeating timer
* \param target The target on which to call the selector
* \param selector The selector to call on the target
* \param repeats Whether the timer repeats after it has been executed
* \return An initialized timer
*/
- initWithFireDate: (OFDate*)fireDate
interval: (double)interval
target: (id)target
selector: (SEL)selector
repeats: (BOOL)repeats;
/**
* \brief Initializes an already allocated timer with the specified time
* interval.
*
* \param fireDate The date at which the timer should fire
* \param interval The time interval after which to repeat the timer, if it is
* a repeating timer
* \param target The target on which to call the selector
* \param selector The selector to call on the target
* \param object An object to pass when calling the selector on the target
* \param repeats Whether the timer repeats after it has been executed
* \return An initialized timer
*/
- initWithFireDate: (OFDate*)fireDate
interval: (double)interval
target: (id)target
selector: (SEL)selector
object: (id)object1
repeats: (BOOL)repeats;
/**
* \brief Initializes an already allocated timer with the specified time
* interval.
*
* \param fireDate The date at which the timer should fire
* \param interval The time interval after which to repeat the timer, if it is
* a repeating timer
* \param target The target on which to call the selector
* \param selector The selector to call on the target
* \param repeats Whether the timer repeats after it has been executed
* \return An initialized timer
*/
- initWithFireDate: (OFDate*)fireDate
interval: (double)interval
target: (id)target
selector: (SEL)selector
object: (id)object1
object: (id)object2
repeats: (BOOL)repeats;
#ifdef OF_HAVE_BLOCKS
/**
* \brief Initializes an already allocated timer with the specified time
* interval.
*
* \param fireDate The date at which the timer should fire
* \param interval The time interval after which to repeat the timer, if it is
* a repeating timer
* \param repeats Whether the timer repeats after it has been executed
* \param block The block to invoke when the timer fires
* \return An initialized timer
*/
- initWithFireDate: (OFDate*)fireDate
interval: (double)interval
repeats: (BOOL)repeats
block: (of_timer_block_t)block;
#endif
/**
* \brief Fires the timer, meaning it will execute the specified selector on the
* target.
*/
- (void)fire;
/**
* \brief Returns the next date at which the timer will fire.
*
* \return The next date at which the timer will fire
*/
- (OFDate*)fireDate;
/**
* \brief Invalidates the timer, preventing it from firing.
*/
- (void)invalidate;
/**
* \brief Returns whether the timer is valid.
*
* \return Whether the timer is valid
*/
- (BOOL)isValid;
/**
* \brief Returns the time interval in which the timer will repeat, if it is a
* repeating timer.
*
* \return The time interval in which the timer will repeat, if it is a
* repeating timer
*/
- (double)timeInterval;
/**
* \brief Waits until the timer fired.
*/
- (void)waitUntilDone;
@end
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