forked from enlightenment/efl
579 lines
18 KiB
C
579 lines
18 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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#define NOTEQUAL(x) (a->x != b->x)
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#define LESSMORE(x) ((a->x > b->x) ? 1 : -1)
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if (NOTEQUAL(matches_count)) return LESSMORE(matches_count);
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for (i = 0; i < a->matches_count; ++i)
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{
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if (NOTEQUAL(matches[i].signal)) return LESSMORE(matches[i].signal);
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if (NOTEQUAL(matches[i].source)) return LESSMORE(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 (NOTEQUAL(matches[i].legacy)) return LESSMORE(matches[i].legacy);
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if (a->free_cb && b->free_cb)
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{
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if (NOTEQUAL(free_cb[i])) return LESSMORE(free_cb[i]);
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}
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else if (a->free_cb || b->free_cb) return LESSMORE(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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# define HASH(x) eina_hash_int64((const unsigned long long int *)&(a->x), sizeof(a->x))
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#else
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# define HASH(x) eina_hash_int32((const unsigned int *)&(a->x), sizeof(a->x))
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#endif
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hash ^= HASH(matches[i].signal);
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hash ^= HASH(matches[i].source);
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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 ^= HASH(matches[i].legacy);
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if (a->free_cb) hash ^= HASH(free_cb[i]);
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}
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return hash;
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}
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static 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->matches = malloc
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(sizeof(Edje_Signal_Callback_Match) * src->matches_count);
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if (!result->matches) goto err;
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result->matches_count = src->matches_count;
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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
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(sizeof(Eina_Free_Cb) * src->matches_count);
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if (!result->free_cb) goto err;
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memcpy(result->free_cb, src->free_cb,
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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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err:
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ERR("Allocation error in callback matches dup");
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free(result->free_cb);
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free(result->matches);
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free(result);
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return NULL;
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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 = (Edje_Signal_Callback_Matches *)gp->matches;
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if (!tmp) return;
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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 = (Edje_Signal_Callback_Matches *)gp->matches;
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if (!tmp) return;
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if (tmp->patterns) return;
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tmp->patterns = calloc(1, sizeof(Edje_Signals_Sources_Patterns));
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if (!tmp->patterns) goto err;
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ssp = tmp->patterns;
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edje_match_callback_hash_build(tmp->matches,
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tmp->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
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(&ssp->u.callbacks.globing, tmp->matches);
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ssp->sources_patterns = edje_match_callback_source_init
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(&ssp->u.callbacks.globing, tmp->matches);
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EINA_REFCOUNT_REF(ssp);
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return;
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err:
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ERR("Alloc error on patterns init");
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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_Matches *tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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Edje_Signal_Callback_Match *m;
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if (!tmp) return;
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if (!tmp->matches) return;
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m = tmp->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_Matches *tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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Edje_Signal_Callback_Match *m;
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if (!tmp) return;
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if (!tmp->matches) return;
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m = tmp->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 (!tmp->free_cb)
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tmp->free_cb = calloc(tmp->matches_count, sizeof(Eina_Free_Cb));
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if (!tmp->free_cb) goto err;
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tmp->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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return;
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err:
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ERR("Alloc err in callback set");
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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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Edje_Signal_Callback_Match *m;
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Eina_Free_Cb *f;
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void **cd;
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Edje_Signal_Callback_Flags *fl;
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tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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if (!tmp) return NULL;
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tmp->matches_count++;
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// what about data in the data build by edje_match_callback_hash_build
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// that this may kill by changing the tmp->matches ptr. this is handled
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// in _edje_signal_callback_push() by re-initting patterns
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m = realloc(tmp->matches, sizeof(Edje_Signal_Callback_Match) * tmp->matches_count);
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if (!m) goto err;
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tmp->matches = m;
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memset(&(tmp->matches[tmp->matches_count - 1]), 0, sizeof(Edje_Signal_Callback_Match));
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if (tmp->free_cb)
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{
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f = realloc(tmp->free_cb, sizeof(Eina_Free_Cb) * tmp->matches_count);
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if (!f) goto err;
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tmp->free_cb = f;
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tmp->free_cb[tmp->matches_count - 1] = NULL;
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}
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cd = realloc(gp->custom_data, sizeof(void *) * tmp->matches_count);
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if (!cd) goto err;
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gp->custom_data = cd;
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gp->custom_data[tmp->matches_count - 1] = NULL;
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fl = realloc(gp->flags, sizeof(Edje_Signal_Callback_Flags) * tmp->matches_count);
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if (!fl) goto err;
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gp->flags = fl;
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memset(&(gp->flags[tmp->matches_count - 1]), 0, sizeof(Edje_Signal_Callback_Flags));
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return gp;
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err:
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ERR("Allocation error in rowing signal callback group");
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tmp->matches_count--;
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return NULL;
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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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Edje_Signal_Callback_Match *m;
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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) return EINA_FALSE;
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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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// special case - it's a single ref so make it private
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// and move it out of the shared hash to be private
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if (!eina_hash_del(signal_match, tmp, tmp))
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{
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ERR("Can't del from hash!");
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}
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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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// already multiple refs to the match - so make a
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// private copy of it we can modify
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Edje_Signal_Callback_Matches *tmp_dup =
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_edje_signal_callback_matches_dup(tmp);
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if (!tmp_dup) return EINA_FALSE;
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// unreff tmp but it's > 1 ref so it'll be safe but we're not
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// using it anymore here so indicate that with the unref
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EINA_REFCOUNT_UNREF(tmp)
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{
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(void)0; // do nothing because if refcount == 1 handle above.
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}
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gp->matches = tmp = tmp_dup;
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}
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}
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// tmp will not be hashed at this point so no need to del+add from hash
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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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m = tmp->matches;
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if (_edje_signal_callback_grow(gp))
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{
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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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if (m != tmp->matches)
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{
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_edje_callbacks_patterns_clean(gp);
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_edje_callbacks_patterns_init(gp);
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}
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}
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else
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{
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if (tmp->hashed)
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eina_hash_add(signal_match, tmp, tmp);
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goto err;
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}
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return EINA_TRUE;
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err:
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ERR("Allocation error in pushing callback");
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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) goto err;
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m = calloc(1, sizeof (Edje_Signal_Callback_Matches));
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if (!m) goto err;
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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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err:
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ERR("Alloc error in signal callback alloc");
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free(escg);
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return NULL;
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}
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void
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_edje_signal_callback_matches_unref(Edje_Signal_Callback_Matches *m,
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Edje_Signal_Callback_Flags *flags,
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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 && m->free_cb[i])
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m->free_cb[i](custom_data[i]);
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}
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}
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EINA_REFCOUNT_UNREF(m)
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{
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if (m->hashed)
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{
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if (!eina_hash_del(signal_match, m, m))
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{
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ERR("Can't del from hash!");
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}
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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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m->matches[i].signal = NULL;
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m->matches[i].source = NULL;
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}
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_edje_signal_callback_patterns_unref(m->patterns);
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free(m->matches);
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free(m->free_cb);
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m->patterns = NULL;
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m->matches = NULL;
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m->free_cb = NULL;
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m->hashed = EINA_FALSE;
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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
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((Edje_Signal_Callback_Matches *)gp->matches, gp->flags, gp->custom_data);
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free(gp->flags);
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free(gp->custom_data);
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gp->matches = NULL;
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gp->flags = NULL;
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gp->custom_data = NULL;
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free(gp);
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}
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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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|
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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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if (!m) return;
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if (m->hashed)
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{
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if (!eina_hash_del(signal_match, m, m))
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{
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ERR("Can't del from hash!");
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}
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}
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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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if (m->hashed)
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eina_hash_add(signal_match, m, m);
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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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if (m->hashed)
|
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eina_hash_add(signal_match, m, m);
|
|
}
|
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|
|
const Edje_Signals_Sources_Patterns *
|
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_edje_signal_callback_patterns_ref(Edje_Signal_Callback_Group *gp)
|
|
{
|
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const Edje_Signal_Callback_Matches *m;
|
|
Edje_Signal_Callback_Matches *tmp;
|
|
|
|
tmp = (Edje_Signal_Callback_Matches *)gp->matches;
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|
if (!tmp) return NULL;
|
|
if (tmp->hashed) goto got_it;
|
|
m = eina_hash_find(signal_match, tmp);
|
|
if (!m)
|
|
{
|
|
if (!(tmp->patterns && (EINA_REFCOUNT_GET(tmp->patterns) > 1)))
|
|
{
|
|
// Let compact it and remove uneeded pattern before building it
|
|
// We can do that because the custom data are kept local into the matching code.
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < tmp->matches_count; i++)
|
|
{
|
|
if (gp->flags[i].delete_me)
|
|
_edje_signal_callback_move_last((Edje_Signal_Callback_Group *)gp, i);
|
|
}
|
|
}
|
|
_edje_signal_callback_patterns_unref(tmp->patterns);
|
|
tmp->patterns = NULL;
|
|
_edje_callbacks_patterns_init((Edje_Signal_Callback_Group *)gp);
|
|
m = eina_hash_find(signal_match, tmp);
|
|
if (m)
|
|
{
|
|
WRN("Found exact match in signal matches this would conflict with");
|
|
goto got_it;
|
|
}
|
|
// We should be able to use direct_add, but if I do so valgrind stack explode and
|
|
// it bagain to be a pain to debug efl apps. I can't understand what is going on.
|
|
// eina_hash_direct_add(signal_match, tmp, tmp);
|
|
eina_hash_add(signal_match, tmp, tmp);
|
|
tmp->hashed = EINA_TRUE;
|
|
}
|
|
else
|
|
{
|
|
if (m == tmp)
|
|
{
|
|
WRN("Should not happen - gp->match == hash found match");
|
|
goto got_it;
|
|
}
|
|
if (tmp->matches_count != m->matches_count)
|
|
{
|
|
unsigned int i, smaller, larger;
|
|
void **cd;
|
|
Edje_Signal_Callback_Flags *fl;
|
|
|
|
ERR("Match replacement match count don't match");
|
|
smaller = tmp->matches_count;
|
|
larger = m->matches_count;
|
|
if (larger > smaller)
|
|
{
|
|
cd = realloc(gp->custom_data, sizeof(void *) * larger);
|
|
for (i = smaller; i < larger; i++) cd[i] = NULL;
|
|
gp->custom_data = cd;
|
|
fl = realloc(gp->flags, sizeof(Edje_Signal_Callback_Flags) * larger);
|
|
for (i = smaller; i < larger; i++) memset(&(fl[i]), 0, sizeof(Edje_Signal_Callback_Flags));
|
|
gp->flags = fl;
|
|
}
|
|
}
|
|
_edje_signal_callback_matches_unref
|
|
((Edje_Signal_Callback_Matches *)tmp, gp->flags, gp->custom_data);
|
|
((Edje_Signal_Callback_Group *)gp)->matches = m;
|
|
tmp = (Edje_Signal_Callback_Matches *)gp->matches;
|
|
EINA_REFCOUNT_REF(tmp);
|
|
}
|
|
|
|
got_it:
|
|
if (tmp->patterns) EINA_REFCOUNT_REF(tmp->patterns);
|
|
return tmp->patterns;
|
|
}
|
|
|
|
void
|
|
_edje_signal_callback_patterns_unref(const Edje_Signals_Sources_Patterns *essp)
|
|
{
|
|
Edje_Signals_Sources_Patterns *ssp = (Edje_Signals_Sources_Patterns *)essp;
|
|
|
|
if (!ssp) return;
|
|
EINA_REFCOUNT_UNREF(ssp)
|
|
{
|
|
_edje_signals_sources_patterns_clean(ssp);
|
|
eina_rbtree_delete(ssp->exact_match,
|
|
EINA_RBTREE_FREE_CB(edje_match_signal_source_free),
|
|
NULL);
|
|
ssp->exact_match = NULL;
|
|
eina_inarray_flush(&ssp->u.callbacks.globing);
|
|
free(ssp);
|
|
}
|
|
}
|
|
|
|
void
|
|
_edje_signal_callback_reset(Edje_Signal_Callback_Flags *flags, unsigned int length)
|
|
{
|
|
unsigned int i;
|
|
for (i = 0; i < length; ++i)
|
|
flags[i].just_added = EINA_FALSE;
|
|
}
|
|
|