149 lines
3.6 KiB
C
149 lines
3.6 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdlib.h>
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#include "Ecore.h"
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#include "ecore_private.h"
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struct _Ecore_Idle_Exiter
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{
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EINA_INLIST;
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ECORE_MAGIC;
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Ecore_Task_Cb func;
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void *data;
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int references;
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Eina_Bool delete_me : 1;
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};
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static Ecore_Idle_Exiter *idle_exiters = NULL;
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static Ecore_Idle_Exiter *idle_exiter_current = NULL;
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static int idle_exiters_delete_me = 0;
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/**
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* Add an idle exiter handler.
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* @param func The function to call when exiting an idle state.
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* @param data The data to be passed to the @p func call
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* @return A handle to the idle exiter callback on success. NULL otherwise.
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* @ingroup Idle_Group
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*/
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EAPI Ecore_Idle_Exiter *
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ecore_idle_exiter_add(Ecore_Task_Cb func, const void *data)
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{
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Ecore_Idle_Exiter *ie;
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if (!func) return NULL;
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ie = calloc(1, sizeof(Ecore_Idle_Exiter));
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if (!ie) return NULL;
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ECORE_MAGIC_SET(ie, ECORE_MAGIC_IDLE_EXITER);
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ie->func = func;
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ie->data = (void *)data;
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idle_exiters = (Ecore_Idle_Exiter *) eina_inlist_append(EINA_INLIST_GET(idle_exiters), EINA_INLIST_GET(ie));
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return ie;
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}
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/**
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* Delete an idle exiter handler from the list to be run on exiting idle state.
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* @param idle_exiter The idle exiter to delete
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* @return The data pointer that was being being passed to the handler if
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* successful. NULL otherwise.
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* @ingroup Idle_Group
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*/
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EAPI void *
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ecore_idle_exiter_del(Ecore_Idle_Exiter *idle_exiter)
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{
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if (!ECORE_MAGIC_CHECK(idle_exiter, ECORE_MAGIC_IDLE_EXITER))
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{
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ECORE_MAGIC_FAIL(idle_exiter, ECORE_MAGIC_IDLE_EXITER,
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"ecore_idle_exiter_del");
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return NULL;
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}
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EINA_SAFETY_ON_TRUE_RETURN_VAL(idle_exiter->delete_me, NULL);
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idle_exiter->delete_me = 1;
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idle_exiters_delete_me = 1;
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return idle_exiter->data;
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}
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void
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_ecore_idle_exiter_shutdown(void)
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{
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Ecore_Idle_Exiter *ie;
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while ((ie = idle_exiters))
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{
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idle_exiters = (Ecore_Idle_Exiter *) eina_inlist_remove(EINA_INLIST_GET(idle_exiters), EINA_INLIST_GET(idle_exiters));
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ECORE_MAGIC_SET(ie, ECORE_MAGIC_NONE);
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free(ie);
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}
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idle_exiters_delete_me = 0;
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idle_exiter_current = NULL;
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}
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void
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_ecore_idle_exiter_call(void)
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{
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if (!idle_exiter_current)
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{
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/* regular main loop, start from head */
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idle_exiter_current = idle_exiters;
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}
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else
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{
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/* recursive main loop, continue from where we were */
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idle_exiter_current =
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(Ecore_Idle_Exiter *)EINA_INLIST_GET(idle_exiter_current)->next;
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}
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while (idle_exiter_current)
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{
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Ecore_Idle_Exiter *ie = (Ecore_Idle_Exiter *)idle_exiter_current;
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if (!ie->delete_me)
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{
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ie->references++;
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if (!ie->func(ie->data))
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{
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if (!ie->delete_me) ecore_idle_exiter_del(ie);
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}
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ie->references--;
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}
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if (idle_exiter_current) /* may have changed in recursive main loops */
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idle_exiter_current =
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(Ecore_Idle_Exiter *)EINA_INLIST_GET(idle_exiter_current)->next;
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}
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if (idle_exiters_delete_me)
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{
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Ecore_Idle_Exiter *l;
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int deleted_idler_exiters_in_use = 0;
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for (l = idle_exiters; l;)
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{
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Ecore_Idle_Exiter *ie = l;
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l = (Ecore_Idle_Exiter *) EINA_INLIST_GET(l)->next;
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if (ie->delete_me)
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{
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if (ie->references)
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{
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deleted_idler_exiters_in_use++;
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continue;
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}
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idle_exiters = (Ecore_Idle_Exiter *) eina_inlist_remove(EINA_INLIST_GET(idle_exiters), EINA_INLIST_GET(ie));
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ECORE_MAGIC_SET(ie, ECORE_MAGIC_NONE);
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free(ie);
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}
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}
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if (!deleted_idler_exiters_in_use)
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idle_exiters_delete_me = 0;
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}
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}
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int
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_ecore_idle_exiter_exist(void)
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{
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if (idle_exiters) return 1;
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return 0;
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}
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