405 lines
12 KiB
C
405 lines
12 KiB
C
#include "e.h"
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/* local types */
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typedef struct _E_Fm2_Mime_Handler_Tuple E_Fm2_Mime_Handler_Tuple;
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struct _E_Fm2_Mime_Handler_Tuple
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{
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Eina_List *list;
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const char *str;
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};
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/* local subsystem functions */
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static Eina_Bool _e_fm2_mime_handler_glob_match_foreach(const Eina_Hash *hash EINA_UNUSED, const void *key, void *data, void *fdata);
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static Eina_Bool _e_fm_mime_icon_foreach(const Eina_Hash *hash EINA_UNUSED, const void *key EINA_UNUSED, void *data, void *fdata);
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static Eina_Hash *icon_map = NULL;
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static Eina_Hash *_mime_handlers = NULL;
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static Eina_Hash *_glob_handlers = NULL;
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/* externally accessible functions */
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E_API const char *
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e_fm_mime_filename_get(const char *fname)
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{
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return efreet_mime_globs_type_get(fname);
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}
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/* returns:
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* NULL == don't know
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* "THUMB" == generate a thumb
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* "e/icons/fileman/mime/..." == theme icon
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* "/path/to/file....edj" = explicit icon edje file
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* "/path/to/file..." = explicit image file to use
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*/
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E_API const char *
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e_fm_mime_icon_get(const char *mime)
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{
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char buf[4096], buf2[4096], *val;
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Eina_List *l = NULL;
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E_Config_Mime_Icon *mi;
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size_t len;
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/* 0.0 clean out hash cache once it has more than 512 entries in it */
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if (eina_hash_population(icon_map) > 512) e_fm_mime_icon_cache_flush();
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/* 0. look in mapping cache */
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val = eina_hash_find(icon_map, mime);
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if (val) return val;
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eina_strlcpy(buf2, mime, sizeof(buf2));
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val = strchr(buf2, '/');
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if (val) *val = 0;
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/* 1. look up in mapping to file or thumb (thumb has flag)*/
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EINA_LIST_FOREACH(e_config->mime_icons, l, mi)
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{
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if (e_util_glob_match(mi->mime, mime))
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{
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eina_strlcpy(buf, mi->icon, sizeof(buf));
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goto ok;
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}
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}
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/* 2. look up in ~/.e/e/icons */
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len = e_user_dir_snprintf(buf, sizeof(buf), "icons/%s.edj", mime);
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if (len >= sizeof(buf))
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goto try_e_icon_generic;
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if (ecore_file_exists(buf)) goto ok;
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memcpy(buf + len - (sizeof("edj") - 1), "svg", sizeof("svg"));
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if (ecore_file_exists(buf)) goto ok;
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memcpy(buf + len - (sizeof("edj") - 1), "png", sizeof("png"));
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if (ecore_file_exists(buf)) goto ok;
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try_e_icon_generic:
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len = e_user_dir_snprintf(buf, sizeof(buf), "icons/%s.edj", buf2);
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if (len >= sizeof(buf))
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goto try_theme;
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if (ecore_file_exists(buf)) goto ok;
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memcpy(buf + len - (sizeof("edj") - 1), "svg", sizeof("svg"));
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if (ecore_file_exists(buf)) goto ok;
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memcpy(buf + len - (sizeof("edj") - 1), "png", sizeof("png"));
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if (ecore_file_exists(buf)) goto ok;
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/* 3. look up icon in theme */
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try_theme:
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memcpy(buf, "e/icons/fileman/mime/", sizeof("e/icons/fileman/mime/"));
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eina_strlcpy(buf + sizeof("e/icons/fileman/mime/") - 1, mime,
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sizeof(buf) - (sizeof("e/icons/fileman/mime/") - 1));
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val = (char *)e_theme_edje_file_get("base/theme/fileman", buf);
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if ((val) && (e_util_edje_collection_exists(val, buf))) goto ok;
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eina_strlcpy(buf + sizeof("e/icons/fileman/mime/") - 1, buf2,
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sizeof(buf) - (sizeof("e/icons/fileman/mime/") - 1));
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val = (char *)e_theme_edje_file_get("base/theme/fileman", buf);
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if ((val) && (e_util_edje_collection_exists(val, buf))) goto ok;
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/* 4. look up icon in PREFIX/share/enlightent/data/icons */
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len = e_prefix_data_snprintf(buf, sizeof(buf), "data/icons/%s.edj", mime);
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if (len >= sizeof(buf))
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goto try_efreet_icon_generic;
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if (ecore_file_exists(buf)) goto ok;
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memcpy(buf + len - (sizeof("edj") - 1), "svg", sizeof("svg"));
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if (ecore_file_exists(buf)) goto ok;
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memcpy(buf + len - (sizeof("edj") - 1), "png", sizeof("png"));
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if (ecore_file_exists(buf)) goto ok;
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try_efreet_icon_generic:
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len = e_prefix_data_snprintf(buf, sizeof(buf), "data/icons/%s.edj", buf2);
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if (len >= sizeof(buf))
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goto try_efreet_icon_generic;
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if (ecore_file_exists(buf)) goto ok;
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memcpy(buf + len - (sizeof("edj") - 1), "svg", sizeof("svg"));
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if (ecore_file_exists(buf)) goto ok;
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memcpy(buf + len - (sizeof("edj") - 1), "png", sizeof("png"));
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if (ecore_file_exists(buf)) goto ok;
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return NULL;
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ok:
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val = (char *)eina_stringshare_add(buf);
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if (!icon_map) icon_map = eina_hash_string_superfast_new(NULL);
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eina_hash_add(icon_map, mime, val);
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return val;
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}
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E_API void
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e_fm_mime_icon_cache_flush(void)
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{
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Eina_List *freelist = NULL;
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eina_hash_foreach(icon_map, _e_fm_mime_icon_foreach, &freelist);
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E_FREE_LIST(freelist, eina_stringshare_del);
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eina_hash_free(icon_map);
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icon_map = NULL;
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}
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/* create (allocate), set properties, and return a new mime handler */
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E_API E_Fm2_Mime_Handler *
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e_fm2_mime_handler_new(const char *label, const char *icon_group, void (*action_func)(void *data, Evas_Object *obj, const char *path), void *action_data, int(test_func) (void *data, Evas_Object * obj, const char *path), void *test_data)
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{
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E_Fm2_Mime_Handler *handler;
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if ((!label) || (!action_func)) return NULL;
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handler = E_NEW(E_Fm2_Mime_Handler, 1);
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if (!handler) return NULL;
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handler->label = eina_stringshare_add(label);
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handler->icon_group = icon_group ? eina_stringshare_add(icon_group) : NULL;
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handler->action_func = action_func;
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handler->action_data = action_data;
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handler->test_func = test_func;
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handler->test_data = test_data;
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return handler;
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}
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E_API void
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e_fm2_mime_handler_free(E_Fm2_Mime_Handler *handler)
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{
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if (!handler) return;
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eina_stringshare_del(handler->label);
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if (handler->icon_group) eina_stringshare_del(handler->icon_group);
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E_FREE(handler);
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}
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/* associate a certain mime type with a handler */
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E_API Eina_Bool
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e_fm2_mime_handler_mime_add(E_Fm2_Mime_Handler *handler, const char *mime)
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{
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Eina_List *handlers = NULL;
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if ((!handler) || (!mime)) return 0;
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/* if there's an entry for this mime already, then append to its list */
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if ((handlers = eina_hash_find(_mime_handlers, mime)))
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{
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handlers = eina_list_append(handlers, handler);
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eina_hash_modify(_mime_handlers, mime, handlers);
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}
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else
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{
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/* no previous entry for this mime, lets add one */
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handlers = eina_list_append(handlers, handler);
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if (!_mime_handlers) _mime_handlers = eina_hash_string_superfast_new(NULL);
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eina_hash_add(_mime_handlers, mime, handlers);
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}
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return 1;
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}
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/* associate a certain glob with a handler */
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E_API Eina_Bool
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e_fm2_mime_handler_glob_add(E_Fm2_Mime_Handler *handler, const char *glob_)
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{
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Eina_List *handlers = NULL;
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if ((!handler) || (!glob_)) return 0;
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/* if there's an entry for this glob already, then append to its list */
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if ((handlers = eina_hash_find(_glob_handlers, glob_)))
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{
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handlers = eina_list_append(handlers, handler);
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eina_hash_modify(_glob_handlers, glob_, handlers);
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}
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else
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{
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/* no previous entry for this glob, lets add one */
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handlers = eina_list_append(handlers, handler);
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if (!_glob_handlers) _glob_handlers = eina_hash_string_superfast_new(NULL);
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eina_hash_add(_glob_handlers, glob_, handlers);
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}
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return 1;
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}
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/* delete a certain handler for a certain mime */
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E_API void
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e_fm2_mime_handler_mime_del(E_Fm2_Mime_Handler *handler, const char *mime)
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{
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Eina_List *handlers = NULL;
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if ((!handler) || (!mime)) return;
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/* if there's an entry for this mime already, then remove from list */
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if ((handlers = eina_hash_find(_mime_handlers, mime)))
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{
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handlers = eina_list_remove(handlers, handler);
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if (handlers)
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eina_hash_modify(_mime_handlers, mime, handlers);
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else
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{
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eina_hash_del(_mime_handlers, mime, handlers);
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if (!eina_hash_population(_mime_handlers))
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{
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eina_hash_free(_mime_handlers);
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_mime_handlers = NULL;
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}
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}
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}
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}
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/* delete a certain handler for a certain glob */
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E_API void
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e_fm2_mime_handler_glob_del(E_Fm2_Mime_Handler *handler, const char *glob_)
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{
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Eina_List *handlers = NULL;
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if ((!handler) || (!glob_)) return;
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/* if there's an entry for this glob already, then remove from list */
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if ((handlers = eina_hash_find(_glob_handlers, glob_)))
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{
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handlers = eina_list_remove(handlers, handler);
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if (handlers)
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eina_hash_modify(_glob_handlers, glob_, handlers);
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else
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{
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eina_hash_del(_glob_handlers, glob_, handlers);
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if (!eina_hash_population(_glob_handlers))
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{
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eina_hash_free(_glob_handlers);
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_glob_handlers = NULL;
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}
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}
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}
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}
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E_API const Eina_List *
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e_fm2_mime_handler_mime_handlers_get(const char *mime)
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{
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if ((!mime) || (!_mime_handlers)) return NULL;
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return eina_hash_find(_mime_handlers, mime);
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}
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/* get the list of glob handlers for a glob.
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NOTE: the list should be free()'ed */
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E_API Eina_List *
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e_fm2_mime_handler_glob_handlers_get(const char *glob_)
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{
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E_Fm2_Mime_Handler_Tuple *tuple = NULL;
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Eina_List *handlers = NULL;
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if ((!glob_) || (!_glob_handlers)) return NULL;
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tuple = E_NEW(E_Fm2_Mime_Handler_Tuple, 1);
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tuple->list = NULL;
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tuple->str = glob_;
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eina_hash_foreach(_glob_handlers, _e_fm2_mime_handler_glob_match_foreach, tuple);
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handlers = tuple->list;
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E_FREE(tuple);
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return handlers;
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}
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/* call a certain handler */
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E_API Eina_Bool
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e_fm2_mime_handler_call(E_Fm2_Mime_Handler *handler, Evas_Object *obj, const char *path)
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{
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if ((!handler) || (!obj) || (!path) || (!handler->action_func))
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return 0;
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if (handler->test_func)
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{
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if (handler->test_func(handler->test_data, obj, path))
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{
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handler->action_func(handler->action_data, obj, path);
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return 1;
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}
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else
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return 0;
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}
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handler->action_func(handler->action_data, obj, path);
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return 1;
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}
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/* call all handlers related to a certain mime */
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E_API void
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e_fm2_mime_handler_mime_handlers_call_all(Evas_Object *obj, const char *path, const char *mime)
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{
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const Eina_List *l, *handlers;
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E_Fm2_Mime_Handler *handler = NULL;
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if ((!obj) || (!path) || (!mime)) return;
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handlers = e_fm2_mime_handler_mime_handlers_get(mime);
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if (!handlers) return;
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EINA_LIST_FOREACH(handlers, l, handler)
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{
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if (!handler) continue;
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e_fm2_mime_handler_call(handler, obj, path);
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}
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}
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/* call all handlers related to a certain glob */
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E_API void
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e_fm2_mime_handler_glob_handlers_call_all(Evas_Object *obj, const char *path, const char *glob_)
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{
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Eina_List *handlers = NULL;
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Eina_List *l = NULL;
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E_Fm2_Mime_Handler *handler = NULL;
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if ((!obj) || (!path) || (!glob_)) return;
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handlers = e_fm2_mime_handler_glob_handlers_get(glob_);
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if (!handlers) return;
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EINA_LIST_FOREACH(handlers, l, handler)
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{
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if (!handler) continue;
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e_fm2_mime_handler_call(handler, obj, path);
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}
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}
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/* run a handlers test function */
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E_API Eina_Bool
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e_fm2_mime_handler_test(E_Fm2_Mime_Handler *handler, Evas_Object *obj, const char *path)
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{
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if ((!handler) || (!obj) || (!path)) return 0;
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if (!handler->test_func) return 1;
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return handler->test_func(handler->test_data, obj, path);
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}
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/* local subsystem functions */
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/* used to loop a glob hash and determine if the glob handler matches the filename */
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static Eina_Bool
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_e_fm2_mime_handler_glob_match_foreach(const Eina_Hash *hash EINA_UNUSED, const void *key, void *data, void *fdata)
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{
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E_Fm2_Mime_Handler_Tuple *tuple;
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Eina_List *handlers = NULL;
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Eina_List *l = NULL;
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void *handler = NULL;
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tuple = fdata;
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if (e_util_glob_match(tuple->str, key))
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{
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handlers = data;
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EINA_LIST_FOREACH(handlers, l, handler)
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{
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if (handler)
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tuple->list = eina_list_append(tuple->list, handler);
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}
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}
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return 1;
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}
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static Eina_Bool
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_e_fm_mime_icon_foreach(const Eina_Hash *hash EINA_UNUSED, const void *key EINA_UNUSED, void *data, void *fdata)
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{
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Eina_List **freelist;
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freelist = fdata;
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*freelist = eina_list_append(*freelist, data);
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return 1;
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}
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