480 lines
15 KiB
C
480 lines
15 KiB
C
#include "edje_private.h"
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#include <assert.h>
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static Eina_Hash *signal_match = NULL;
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static unsigned int
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_edje_signal_match_key_length(const void *key EINA_UNUSED)
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{
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return sizeof (Edje_Signal_Callback_Matches);
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}
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static int
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_edje_signal_match_key_cmp(const void *key1, int key1_length EINA_UNUSED, const void *key2, int key2_length EINA_UNUSED)
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{
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const Edje_Signal_Callback_Matches *a = key1;
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const Edje_Signal_Callback_Matches *b = key2;
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unsigned int i;
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if (a->matches_count != b->matches_count) return a->matches_count - b->matches_count;
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for (i = 0; i < a->matches_count; ++i)
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{
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if (a->matches[i].signal != b->matches[i].signal) return a->matches[i].signal - b->matches[i].signal;
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if (a->matches[i].source != b->matches[i].source) return a->matches[i].source - b->matches[i].source;
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// Callback be it legacy or eo, have the same pointer size and so can be just compared like that
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if (a->matches[i].legacy != b->matches[i].legacy) return (unsigned char *)a->matches[i].legacy - (unsigned char *)b->matches[i].legacy;
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if (a->free_cb && b->free_cb &&
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a->free_cb[i] != b->free_cb[i]) return (unsigned char *)a->free_cb[i] - (unsigned char *)b->free_cb[i];
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if ((!a->free_cb && b->free_cb) ||
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(a->free_cb && !b->free_cb))
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return a->free_cb - b->free_cb;
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}
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return 0;
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}
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static int
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_edje_signal_match_key_hash(const void *key, int key_length EINA_UNUSED)
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{
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const Edje_Signal_Callback_Matches *a = key;
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unsigned int hash, i;
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hash = eina_hash_int32(&a->matches_count, sizeof (int));
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for (i = 0; i < a->matches_count; ++i)
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{
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#ifdef EFL64
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hash ^= eina_hash_int64((const unsigned long long int *)&a->matches[i].signal, sizeof (char *));
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hash ^= eina_hash_int64((const unsigned long long int *)&a->matches[i].source, sizeof (char *));
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hash ^= eina_hash_int64((const unsigned long long int *)&a->matches[i].legacy, sizeof (Edje_Signal_Cb));
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if (a->free_cb)
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hash ^= eina_hash_int64((const unsigned long long int *)&a->free_cb[i], sizeof (Eina_Free_Cb));
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#else
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hash ^= eina_hash_int32((const unsigned int *)&a->matches[i].signal, sizeof (char *));
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hash ^= eina_hash_int32((const unsigned int *)&a->matches[i].source, sizeof (char *));
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// Callback be it legacy or eo, have the same pointer size and so using legacy for hash is enough
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hash ^= eina_hash_int32((const unsigned int *)&a->matches[i].legacy, sizeof (Edje_Signal_Cb));
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if (a->free_cb)
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hash ^= eina_hash_int32((const unsigned int *)&a->free_cb[i], sizeof (Eina_Free_Cb));
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#endif
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}
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return hash;
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}
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static const Edje_Signal_Callback_Matches *
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_edje_signal_callback_matches_dup(const Edje_Signal_Callback_Matches *src)
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{
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Edje_Signal_Callback_Matches *result;
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unsigned int i;
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result = calloc(1, sizeof (Edje_Signal_Callback_Matches));
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if (!result) return NULL;
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result->hashed = EINA_FALSE;
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result->matches = malloc(sizeof (Edje_Signal_Callback_Match) * src->matches_count);
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result->matches_count = src->matches_count;
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result->patterns = NULL;
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EINA_REFCOUNT_REF(result);
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if (src->free_cb)
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{
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result->free_cb = malloc(sizeof (Eina_Free_Cb) * src->matches_count);
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if (result->free_cb) memcpy(result->free_cb, src->free_cb, sizeof (Eina_Free_Cb) * src->matches_count);
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}
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for (i = 0; i < src->matches_count; i++)
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{
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result->matches[i].signal = eina_stringshare_ref(src->matches[i].signal);
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result->matches[i].source = eina_stringshare_ref(src->matches[i].source);
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result->matches[i].legacy = src->matches[i].legacy;
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}
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return result;
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}
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void
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_edje_callbacks_patterns_clean(Edje_Signal_Callback_Group *gp)
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{
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Edje_Signal_Callback_Matches *tmp;
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assert(EINA_REFCOUNT_GET(gp->matches) == 1);
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tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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_edje_signal_callback_patterns_unref(tmp->patterns);
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tmp->patterns = NULL;
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}
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static void
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_edje_callbacks_patterns_init(Edje_Signal_Callback_Group *gp)
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{
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Edje_Signals_Sources_Patterns *ssp;
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Edje_Signal_Callback_Matches *tmp;
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if (gp->matches->patterns) return;
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tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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tmp->patterns = calloc(1, sizeof (Edje_Signals_Sources_Patterns));
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if (!gp->matches->patterns) return;
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ssp = gp->matches->patterns;
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edje_match_callback_hash_build(gp->matches->matches,
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gp->matches->matches_count,
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&ssp->exact_match,
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&ssp->u.callbacks.globing);
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ssp->signals_patterns = edje_match_callback_signal_init(&ssp->u.callbacks.globing, tmp->matches);
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ssp->sources_patterns = edje_match_callback_source_init(&ssp->u.callbacks.globing, tmp->matches);
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EINA_REFCOUNT_REF(ssp);
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}
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void
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edje_signal_init(void)
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{
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signal_match = eina_hash_new(_edje_signal_match_key_length,
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_edje_signal_match_key_cmp,
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_edje_signal_match_key_hash,
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NULL,
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3);
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}
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void
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edje_signal_shutdown(void)
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{
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// FIXME: iterate and destroy leftover signal matcher
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eina_hash_free(signal_match);
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}
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static void
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_edje_signal_callback_unset(Edje_Signal_Callback_Group *gp, int idx)
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{
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Edje_Signal_Callback_Match *m;
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m = gp->matches->matches + idx;
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eina_stringshare_del(m->signal);
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m->signal = NULL;
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eina_stringshare_del(m->source);
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m->source = NULL;
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}
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static void
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_edje_signal_callback_set(Edje_Signal_Callback_Group *gp, int idx,
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const char *sig, const char *src,
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Edje_Signal_Cb func_legacy,
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Efl_Signal_Cb func_eo, Eina_Free_Cb func_free_cb,
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void *data, Edje_Signal_Callback_Flags flags)
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{
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Edje_Signal_Callback_Match *m;
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m = gp->matches->matches + idx;
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m->signal = eina_stringshare_ref(sig);
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m->source = eina_stringshare_ref(src);
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if (func_legacy) m->legacy = func_legacy;
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else m->eo = func_eo;
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if (func_free_cb)
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{
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if (!gp->matches->free_cb)
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((Edje_Signal_Callback_Matches *) gp->matches)->free_cb = calloc(sizeof (Eina_Free_Cb), gp->matches->matches_count);
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gp->matches->free_cb[idx] = func_free_cb;
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}
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gp->custom_data[idx] = data;
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gp->flags[idx] = flags;
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}
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static Edje_Signal_Callback_Group *
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_edje_signal_callback_grow(Edje_Signal_Callback_Group *gp)
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{
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Edje_Signal_Callback_Matches *tmp;
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tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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tmp->matches_count++;
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tmp->matches = realloc(tmp->matches, sizeof (Edje_Signal_Callback_Match) * tmp->matches_count);
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if (tmp->free_cb)
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{
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tmp->free_cb = realloc(tmp->free_cb, sizeof (Eina_Free_Cb) * tmp->matches_count);
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tmp->free_cb[tmp->matches_count - 1] = NULL;
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}
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gp->custom_data = realloc(gp->custom_data, sizeof (void *) * tmp->matches_count);
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gp->flags = realloc(gp->flags, sizeof (Edje_Signal_Callback_Flags) * tmp->matches_count);
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return gp;
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}
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Eina_Bool
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_edje_signal_callback_push(Edje_Signal_Callback_Group *gp,
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const char *sig, const char *src,
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Edje_Signal_Cb func_legacy,
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Efl_Signal_Cb func_eo, Eina_Free_Cb func_free_cb,
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void *data, Eina_Bool propagate)
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{
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unsigned int i;
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Edje_Signal_Callback_Flags flags;
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Edje_Signal_Callback_Matches *tmp;
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flags.delete_me = EINA_FALSE;
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flags.just_added = EINA_TRUE;
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flags.propagate = !!propagate;
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flags.legacy = !!func_legacy;
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// FIXME: properly handle legacy and non legacy case, including free function
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tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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if (tmp->hashed)
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{
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if (EINA_REFCOUNT_GET(tmp) == 1)
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{
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eina_hash_del(signal_match, tmp, tmp);
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tmp->hashed = EINA_FALSE;
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}
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else
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{
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Edje_Signal_Callback_Matches *tmp_dup =
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(Edje_Signal_Callback_Matches *)
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_edje_signal_callback_matches_dup(tmp);
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if (!tmp_dup) return EINA_FALSE;
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EINA_REFCOUNT_UNREF(tmp)
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(void) 0; // do nothing because if refcount == 1 handle above.
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gp->matches = tmp = tmp_dup;
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}
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assert(tmp->hashed == EINA_FALSE);
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}
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// search an empty spot now
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for (i = 0; i < tmp->matches_count; i++)
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{
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if (gp->flags[i].delete_me)
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{
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_edje_signal_callback_unset(gp, i);
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_edje_signal_callback_set(gp, i, sig, src, func_legacy, func_eo, func_free_cb, data, flags);
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return EINA_TRUE;
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}
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}
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_edje_signal_callback_grow(gp);
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// Set propagate and just_added flags
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_edje_signal_callback_set(gp, tmp->matches_count - 1,
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sig, src, func_legacy, func_eo, func_free_cb, data, flags);
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return EINA_TRUE;
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}
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const Edje_Signal_Callback_Group *
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_edje_signal_callback_alloc(void)
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{
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Edje_Signal_Callback_Group *escg;
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Edje_Signal_Callback_Matches *m;
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escg = calloc(1, sizeof (Edje_Signal_Callback_Group));
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if (!escg) return NULL;
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m = calloc(1, sizeof (Edje_Signal_Callback_Matches));
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if (!m)
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{
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free(escg);
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return NULL;
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}
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EINA_REFCOUNT_REF(m);
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escg->matches = m;
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return escg;
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}
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void
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_edje_signal_callback_matches_unref(Edje_Signal_Callback_Matches *m, Edje_Signal_Callback_Flags *flags, void **custom_data)
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{
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unsigned int i;
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if (m->free_cb)
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{
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for (i = 0; i < m->matches_count; ++i)
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{
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if (!flags[i].delete_me &&
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m->free_cb[i])
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{
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m->free_cb[i](custom_data[i]);
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}
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}
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}
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EINA_REFCOUNT_UNREF(m)
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{
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_edje_signal_callback_patterns_unref(m->patterns);
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if (m->hashed)
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{
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eina_hash_del(signal_match, m, m);
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m->hashed = EINA_FALSE;
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}
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for (i = 0; i < m->matches_count; ++i)
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{
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eina_stringshare_del(m->matches[i].signal);
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eina_stringshare_del(m->matches[i].source);
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}
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free(m->matches);
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m->matches = NULL;
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free(m);
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}
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}
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void
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_edje_signal_callback_free(const Edje_Signal_Callback_Group *cgp)
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{
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Edje_Signal_Callback_Group *gp = (Edje_Signal_Callback_Group *)cgp;
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if (!gp) return;
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_edje_signal_callback_matches_unref((Edje_Signal_Callback_Matches *)gp->matches, gp->flags, gp->custom_data);
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gp->matches = NULL;
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free(gp->flags);
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gp->flags = NULL;
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free(gp->custom_data);
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gp->custom_data = NULL;
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free(gp);
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}
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Eina_Bool
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_edje_signal_callback_disable(Edje_Signal_Callback_Group *gp,
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const char *sig, const char *src,
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Edje_Signal_Cb func_legacy,
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EflLayoutSignalCb func, Eina_Free_Cb func_free_cb, void *data)
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{
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unsigned int i;
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if (!gp || !gp->matches) return EINA_FALSE;
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for (i = 0; i < gp->matches->matches_count; ++i)
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{
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if (sig == gp->matches->matches[i].signal &&
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src == gp->matches->matches[i].source &&
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!gp->flags[i].delete_me &&
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((func == gp->matches->matches[i].eo &&
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(!gp->matches->free_cb || func_free_cb == gp->matches->free_cb[i]) &&
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gp->custom_data[i] == data &&
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!gp->flags[i].legacy) ||
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(func_legacy == gp->matches->matches[i].legacy &&
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gp->custom_data[i] == data &&
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gp->flags[i].legacy))
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)
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{
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if (func && func_free_cb) func_free_cb(data);
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gp->flags[i].delete_me = EINA_TRUE;
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//return gp->custom_data[i];
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return EINA_TRUE;
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}
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}
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return EINA_FALSE;
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}
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static void
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_edje_signal_callback_move_last(Edje_Signal_Callback_Group *gp,
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unsigned int i)
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{
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Edje_Signal_Callback_Matches *m;
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unsigned int j;
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m = (Edje_Signal_Callback_Matches *)gp->matches;
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for (j = --m->matches_count; j > i; --j)
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{
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if (!gp->flags[j].delete_me)
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{
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_edje_signal_callback_unset(gp, i);
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memcpy(&m->matches[i], &m->matches[j], sizeof (Edje_Signal_Callback_Match));
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gp->flags[i] = gp->flags[j];
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gp->custom_data[i] = gp->custom_data[j];
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return;
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}
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else
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{
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_edje_signal_callback_unset(gp, j);
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m->matches_count--;
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}
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}
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}
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const Edje_Signals_Sources_Patterns *
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_edje_signal_callback_patterns_ref(const Edje_Signal_Callback_Group *gp)
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{
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const Edje_Signal_Callback_Matches *m;
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Edje_Signal_Callback_Matches *tmp;
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if (gp->matches->hashed)
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goto got_it;
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m = eina_hash_find(signal_match, gp->matches);
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if (!m)
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{
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tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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if (!(tmp->patterns && (EINA_REFCOUNT_GET(tmp->patterns) > 1)))
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{
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// Let compact it and remove uneeded pattern before building it
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// We can do that because the custom data are kept local into the matching code.
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unsigned int i;
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for (i = 0; i < tmp->matches_count; i++)
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{
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if (gp->flags[i].delete_me)
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_edje_signal_callback_move_last((Edje_Signal_Callback_Group *)gp, i);
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}
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}
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_edje_signal_callback_patterns_unref(tmp->patterns);
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tmp->patterns = NULL;
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_edje_callbacks_patterns_init((Edje_Signal_Callback_Group *)gp);
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eina_hash_add(signal_match, tmp, tmp);
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// We should be able to use direct_add, but if I do so valgrind stack explode and
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// it bagain to be a pain to debug efl apps. I can't understand what is going on.
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// eina_hash_direct_add(signal_match, tmp, tmp);
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tmp->hashed = EINA_TRUE;
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}
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else
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{
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_edje_signal_callback_matches_unref((Edje_Signal_Callback_Matches *)gp->matches, gp->flags, gp->custom_data);
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((Edje_Signal_Callback_Group *)gp)->matches = m;
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tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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EINA_REFCOUNT_REF(tmp);
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}
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got_it:
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tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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if (tmp->patterns) EINA_REFCOUNT_REF(tmp->patterns);
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return gp->matches->patterns;
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}
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void
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_edje_signal_callback_patterns_unref(const Edje_Signals_Sources_Patterns *essp)
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{
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Edje_Signals_Sources_Patterns *ssp;
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if (!essp) return;
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ssp = (Edje_Signals_Sources_Patterns *)essp;
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EINA_REFCOUNT_UNREF(ssp)
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{
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_edje_signals_sources_patterns_clean(ssp);
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eina_rbtree_delete(ssp->exact_match,
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EINA_RBTREE_FREE_CB(edje_match_signal_source_free),
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NULL);
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ssp->exact_match = NULL;
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eina_inarray_flush(&ssp->u.callbacks.globing);
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free(ssp);
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}
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}
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void
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_edje_signal_callback_reset(Edje_Signal_Callback_Flags *flags, unsigned int length)
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{
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unsigned int i;
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for (i = 0; i < length; ++i)
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flags[i].just_added = EINA_FALSE;
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}
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