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* ecore: make it possible to easily freeze/thaw animator. 

NOTE: logic could be optimised as in some case we could just stop
	the timer also.


SVN revision: 48580
This commit is contained in:
Cedric BAIL 2010-05-03 16:21:39 +00:00
parent 9d8b1da4cb
commit 9522f7ab27
2 changed files with 52 additions and 5 deletions
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2
legacy/ecore/src/lib/ecore/Ecore.h
View File

@ -338,6 +338,8 @@ extern "C" {
EAPI Ecore_Animator *ecore_animator_add(int (*func) (void *data), const void *data);
EAPI void *ecore_animator_del(Ecore_Animator *animator);
EAPI void ecore_animator_freeze(Ecore_Animator *animator);
EAPI void ecore_animator_thaw(Ecore_Animator *animator);
EAPI void ecore_animator_frametime_set(double frametime);
EAPI double ecore_animator_frametime_get(void);

55
legacy/ecore/src/lib/ecore/ecore_anim.c
View File

@ -17,9 +17,12 @@ struct _Ecore_Animator
{
EINA_INLIST;
ECORE_MAGIC;
unsigned char delete_me : 1;
int (*func) (void *data);
void *data;
Eina_Bool delete_me : 1;
Eina_Bool suspended : 1;
};
@ -64,7 +67,7 @@ ecore_animator_add(int (*func) (void *data), const void *data)
double t_loop = ecore_loop_time_get();
double sync_0 = 0.0;
double d = -fmod(t_loop - sync_0, animators_frametime);
timer = ecore_timer_loop_add(animators_frametime, _ecore_animator, NULL);
ecore_timer_delay(timer, d);
}
@ -93,7 +96,7 @@ ecore_animator_del(Ecore_Animator *animator)
return NULL;
}
if (animator->delete_me) return animator->data;
animator->delete_me = 1;
animator->delete_me = EINA_TRUE;
animators_delete_me++;
return animator->data;
}
@ -131,6 +134,48 @@ ecore_animator_frametime_get(void)
return animators_frametime;
}
/**
* Suspend the specified animator.
* @param animator The animator to delete
* @ingroup Ecore_Animator_Group
*
* The specified @p animator will be temporarly removed from the set of animators
* that are executed during main loop execution.
*/
EAPI void
ecore_animator_freeze(Ecore_Animator *animator)
{
if (!ECORE_MAGIC_CHECK(animator, ECORE_MAGIC_ANIMATOR))
{
ECORE_MAGIC_FAIL(animator, ECORE_MAGIC_ANIMATOR,
"ecore_animator_del");
return NULL;
}
if (animator->delete_me) return;
animator->suspended = EINA_TRUE;
}
/**
* Restore execution of the specified animator.
* @param animator The animator to delete
* @ingroup Ecore_Animator_Group
*
* The specified @p animator will be put back in the set of animators
* that are executed during main loop execution.
*/
EAPI void
ecore_animator_thaw(Ecore_Animator *animator)
{
if (!ECORE_MAGIC_CHECK(animator, ECORE_MAGIC_ANIMATOR))
{
ECORE_MAGIC_FAIL(animator, ECORE_MAGIC_ANIMATOR,
"ecore_animator_del");
return NULL;
}
if (animator->delete_me) return;
animator->suspended = EINA_FALSE;
}
void
_ecore_animator_shutdown(void)
{
@ -157,11 +202,11 @@ _ecore_animator(void *data __UNUSED__)
EINA_INLIST_FOREACH(animators, animator)
{
if (!animator->delete_me)
if (!animator->delete_me && !animator->suspended)
{
if (!animator->func(animator->data))
{
animator->delete_me = 1;
animator->delete_me = EINA_TRUE;
animators_delete_me++;
}
}