static inline void
_ecore_timer_reschedule(Ecore_Timer * timer, double when)
{
if ((timer->delete_me) || (timer->frozen))
return;
timers =
(Ecore_Timer *) eina_inlist_remove(EINA_INLIST_GET(timers),
EINA_INLIST_GET(timer));
/* if the timer would have gone off more than 15 seconds ago,
* assume that the system hung and set the timer to go off
* timer->in from now. this handles system hangs, suspends
* and more, so ecore will only "replay" the timers while
* the system is suspended if it is suspended for less than
* 15 seconds (basically). this also handles if the process
* is stopped in a debugger or IO and other handling gets
* really slow within the main loop.
*/
if ((timer->at + timer->in) < (when - 15.0))
_ecore_timer_set(timer, when + timer->in, timer->in,
timer->func, timer->data);
else
_ecore_timer_set(timer, timer->at + timer->in, timer->in,
timer->func, timer->data);
}
static Eina_Bool
_ecore_timer_add(Ecore_Timer *obj,
Ecore_Timer_Private_Data *timer,
double now,
double in,
Ecore_Task_Cb func,
const void *data)
{
if (EINA_UNLIKELY(!eina_main_loop_is()))
{
eo_error_set(obj);
EINA_MAIN_LOOP_CHECK_RETURN_VAL(EINA_FALSE);
}
timer->obj = obj;
eo_do_super(obj, eo_constructor());
eo_manual_free_set(obj, EINA_TRUE);
if (!func)
{
eo_error_set(obj);
ERR("callback function must be set up for an object of class: '%s'", MY_CLASS_NAME);
return EINA_FALSE;
}
if (in < 0.0) in = 0.0;
#ifdef WANT_ECORE_TIMER_DUMP
timer->timer_bt_num = backtrace((void **)(timer->timer_bt),
ECORE_TIMER_DEBUG_BT_NUM);
#endif
_ecore_timer_set(obj, now + in, in, func, (void *)data);
return EINA_TRUE;
}
/**
* Resumes a frozen (paused) timer.
*
* @param timer The timer to be resumed.
*
* The timer will be resumed from its previous relative position in time. That
* means, if it had X seconds remaining until expire when it was paused, it will
* be started now with those same X seconds remaining to expire again. But
* notice that the interval time won't be touched by this call or by
* ecore_timer_freeze().
*
* @see ecore_timer_freeze()
*/
EAPI void
ecore_timer_thaw(Ecore_Timer *timer)
{
double now;
_ecore_lock();
if (!ECORE_MAGIC_CHECK(timer, ECORE_MAGIC_TIMER))
{
ECORE_MAGIC_FAIL(timer, ECORE_MAGIC_TIMER,
"ecore_timer_thaw");
goto unlock;
}
/* Timer not frozen */
if (!timer->frozen)
goto unlock;
suspended = (Ecore_Timer *)eina_inlist_remove(EINA_INLIST_GET(suspended), EINA_INLIST_GET(timer));
now = ecore_time_get();
_ecore_timer_set(timer, timer->pending + now, timer->in, timer->func, timer->data);
unlock:
_ecore_unlock();
}
/**
* Creates a timer to call the given function in the given period of time.
* @param in The interval in seconds.
* @param func The given function. If @p func returns 1, the timer is
* rescheduled for the next interval @p in.
* @param data Data to pass to @p func when it is called.
* @return A timer object on success. @c NULL on failure.
*
* This function adds a timer and returns its handle on success and NULL on
* failure. The function @p func will be called every @p in seconds. The
* function will be passed the @p data pointer as its parameter.
*
* When the timer @p func is called, it must return a value of either 1
* (or ECORE_CALLBACK_RENEW) or 0 (or ECORE_CALLBACK_CANCEL).
* If it returns 1, it will be called again at the next tick, or if it returns
* 0 it will be deleted automatically making any references/handles for it
* invalid.
*/
EAPI Ecore_Timer *
ecore_timer_add(double in,
Ecore_Task_Cb func,
const void *data)
{
double now;
Ecore_Timer *timer = NULL;
_ecore_lock();
if (!func) goto unlock;
if (in < 0.0) in = 0.0;
timer = ecore_timer_calloc(1);
if (!timer) goto unlock;
ECORE_MAGIC_SET(timer, ECORE_MAGIC_TIMER);
now = ecore_time_get();
#ifdef WANT_ECORE_TIMER_DUMP
timer->timer_bt_num = backtrace((void **)(timer->timer_bt),
ECORE_TIMER_DEBUG_BT_NUM);
#endif
_ecore_timer_set(timer, now + in, in, func, (void *)data);
unlock:
_ecore_unlock();
return timer;
}
/**
* Creates a timer to call the given function in the given period of time.
* @param in The interval in seconds from current loop time.
* @param func The given function. If @p func returns 1, the timer is
* rescheduled for the next interval @p in.
* @param data Data to pass to @p func when it is called.
* @return A timer object on success. @c NULL on failure.
*
* This is the same as ecore_timer_add(), but "now" is the time from
* ecore_loop_time_get() not ecore_time_get() as ecore_timer_add() uses. See
* ecore_timer_add() for more details.
*/
EAPI Ecore_Timer *
ecore_timer_loop_add(double in, Ecore_Task_Cb func, const void *data)
{
double now;
Ecore_Timer *timer;
if (!func) return NULL;
if (in < 0.0) in = 0.0;
timer = calloc(1, sizeof(Ecore_Timer));
if (!timer) return NULL;
ECORE_MAGIC_SET(timer, ECORE_MAGIC_TIMER);
now = ecore_loop_time_get();
_ecore_timer_set(timer, now + in, in, func, (void *)data);
return timer;
}
/**
* Add some delay for the next occurrence of a timer.
* This doesn't affect the interval of a timer.
*
* @param timer The timer to change.
* @param add The dalay to add to the next iteration.
* @ingroup Ecore_Time_Group
*/
EAPI void ecore_timer_delay(Ecore_Timer * timer, double add)
{
if (!ECORE_MAGIC_CHECK(timer, ECORE_MAGIC_TIMER)) {
ECORE_MAGIC_FAIL(timer, ECORE_MAGIC_TIMER,
"ecore_timer_delay");
return;
}
if (timer->frozen) {
timer->pending += add;
} else {
timers =
(Ecore_Timer *)
eina_inlist_remove(EINA_INLIST_GET(timers),
EINA_INLIST_GET(timer));
_ecore_timer_set(timer, timer->at + add, timer->in,
timer->func, timer->data);
}
}
