1 files changed, 559 insertions, 0 deletions

diff --git a/libraries/edje/src/lib/edje_external.c b/libraries/edje/src/lib/edje_external.c
new file mode 100644
index 0000000..8bf6256
--- /dev/null
+++ b/libraries/edje/src/lib/edje_external.c
@@ -0,0 +1,559 @@
+#include "edje_private.h"
+
+static Eina_Hash *type_registry = NULL;
+static int init_count = 0;
+
+EAPI const char *
+edje_external_param_type_str(Edje_External_Param_Type type)
+{
+   switch (type)
+     {
+      case EDJE_EXTERNAL_PARAM_TYPE_INT:
+         return "INT";
+      case EDJE_EXTERNAL_PARAM_TYPE_DOUBLE:
+         return "DOUBLE";
+      case EDJE_EXTERNAL_PARAM_TYPE_STRING:
+         return "STRING";
+      case EDJE_EXTERNAL_PARAM_TYPE_BOOL:
+         return "BOOL";
+      case EDJE_EXTERNAL_PARAM_TYPE_CHOICE:
+         return "CHOICE";
+      default:
+         return "(unknown)";
+     }
+}
+
+EAPI Evas_Object *
+edje_object_part_external_object_get(const Evas_Object *obj, const char *part)
+{
+   Edje *ed;
+   Edje_Real_Part *rp;
+
+   ed = _edje_fetch(obj);
+   if ((!ed) || (!part)) return NULL;
+
+   /* Need to recalc before providing the object. */
+   _edje_recalc_do(ed);
+
+   rp = _edje_real_part_recursive_get(ed, (char *)part);
+   if (!rp)
+     {
+        ERR("no part '%s'", part);
+        return NULL;
+     }
+   if (rp->part->type != EDJE_PART_TYPE_EXTERNAL)
+     {
+        ERR("cannot get external object of a part '%s' that is not EXTERNAL",
+            rp->part->name);
+        return NULL;
+     }
+   return rp->swallowed_object;
+}
+
+EAPI Eina_Bool
+edje_object_part_external_param_set(Evas_Object *obj, const char *part, const Edje_External_Param *param)
+{
+   Edje *ed;
+   Edje_Real_Part *rp;
+
+   if ((!param) || (!param->name)) return EINA_FALSE;
+
+   ed = _edje_fetch(obj);
+   if ((!ed) || (!part)) return EINA_FALSE;
+
+   rp = _edje_real_part_recursive_get(ed, (char *)part);
+   if (!rp)
+     {
+        ERR("no part '%s'", part);
+        return EINA_FALSE;
+     }
+
+   return _edje_external_param_set(obj, rp, param);
+}
+
+EAPI Eina_Bool
+edje_object_part_external_param_get(const Evas_Object *obj, const char *part, Edje_External_Param *param)
+{
+   Edje *ed;
+   Edje_Real_Part *rp;
+
+   if ((!param) || (!param->name)) return EINA_FALSE;
+
+   ed = _edje_fetch(obj);
+   if ((!ed) || (!part)) return EINA_FALSE;
+
+   rp = _edje_real_part_recursive_get(ed, (char *)part);
+   if (!rp)
+     {
+        ERR("no part '%s'", part);
+        return EINA_FALSE;
+     }
+
+   return _edje_external_param_get(obj, rp, param);
+}
+
+
+
+EAPI Evas_Object *
+edje_object_part_external_content_get(const Evas_Object *obj, const char *part, const char *content)
+{
+   Edje *ed;
+   Edje_Real_Part *rp;
+
+   if (!content) return EINA_FALSE;
+
+   ed = _edje_fetch(obj);
+   if ((!ed) || (!part)) return EINA_FALSE;
+
+   rp = _edje_real_part_recursive_get(ed, (char *)part);
+   if (!rp)
+     {
+        ERR("no part '%s'", part);
+        return EINA_FALSE;
+     }
+
+   return _edje_external_content_get(rp->swallowed_object, content);
+}
+
+EAPI Edje_External_Param_Type
+edje_object_part_external_param_type_get(const Evas_Object *obj, const char *part, const char *param)
+{
+   Edje *ed;
+   Edje_Real_Part *rp;
+   Edje_External_Type *type;
+   Edje_External_Param_Info *info;
+
+   ed = _edje_fetch(obj);
+   if ((!ed) || (!part)) return EDJE_EXTERNAL_PARAM_TYPE_MAX;
+
+   rp = _edje_real_part_recursive_get(ed, (char *)part);
+   if (!rp)
+     {
+        ERR("no part '%s'", part);
+        return EDJE_EXTERNAL_PARAM_TYPE_MAX;
+     }
+   type = evas_object_data_get(rp->swallowed_object, "Edje_External_Type");
+   if (!type)
+     {
+        ERR("no external type for object %p", obj);
+        return EDJE_EXTERNAL_PARAM_TYPE_MAX;
+     }
+   if (!type->parameters_info)
+     {
+        ERR("no parameters information for external type '%s'",
+            type->module_name);
+        return EDJE_EXTERNAL_PARAM_TYPE_MAX;
+     }
+   for (info = type->parameters_info; info->name; info++)
+     if (strcmp(info->name, param) == 0)
+       return info->type;
+
+   ERR("no parameter '%s' external type '%s'", param, type->module_name);
+   return EDJE_EXTERNAL_PARAM_TYPE_MAX;
+}
+
+
+EAPI Eina_Bool
+edje_external_type_register(const char *type_name, const Edje_External_Type *type_info)
+{
+   if (!type_name)
+     return EINA_FALSE;
+   if (!type_info)
+     return EINA_FALSE;
+
+   if (type_info->abi_version != EDJE_EXTERNAL_TYPE_ABI_VERSION)
+     {
+        ERR("external type '%s' (%p) has incorrect abi version. "
+               "got %#x where %#x was expected.",
+               type_name, type_info,
+               type_info->abi_version, EDJE_EXTERNAL_TYPE_ABI_VERSION);
+        return EINA_FALSE;
+     }
+
+   if (eina_hash_find(type_registry, type_name))
+     {
+        ERR("External type '%s' already registered", type_name);
+        return EINA_FALSE;
+     }
+   return eina_hash_add(type_registry, type_name, type_info);
+}
+
+EAPI Eina_Bool
+edje_external_type_unregister(const char *type_name)
+{
+   if (!type_name)
+     return EINA_FALSE;
+   return eina_hash_del_by_key(type_registry, type_name);
+}
+
+EAPI void
+edje_external_type_array_register(const Edje_External_Type_Info *array)
+{
+   const Edje_External_Type_Info *itr;
+
+   if (!array)
+     return;
+
+   for (itr = array; itr->name; itr++)
+     {
+        if (itr->info->abi_version != EDJE_EXTERNAL_TYPE_ABI_VERSION)
+          {
+             ERR("external type '%s' (%p) has incorrect abi "
+                    "version. got %#x where %#x was expected.",
+                    itr->name, itr->info,
+                    itr->info->abi_version, EDJE_EXTERNAL_TYPE_ABI_VERSION);
+             continue;
+          }
+
+        eina_hash_direct_add(type_registry, itr->name, itr->info);
+     }
+}
+
+EAPI void
+edje_external_type_array_unregister(const Edje_External_Type_Info *array)
+{
+   const Edje_External_Type_Info *itr;
+
+   if (!array)
+     return;
+
+   for (itr = array; itr->name; itr++)
+     eina_hash_del(type_registry, itr->name, itr->info);
+}
+
+EAPI unsigned int
+edje_external_type_abi_version_get(void)
+{
+   return EDJE_EXTERNAL_TYPE_ABI_VERSION;
+}
+
+EAPI Eina_Iterator *
+edje_external_iterator_get(void)
+{
+   return eina_hash_iterator_tuple_new(type_registry);
+}
+
+EAPI Edje_External_Param *
+edje_external_param_find(const Eina_List *params, const char *key)
+{
+   const Eina_List *l;
+   Edje_External_Param *param;
+
+   EINA_LIST_FOREACH(params, l, param)
+      if (!strcmp(param->name, key)) return param;
+
+   return NULL;
+}
+
+EAPI Eina_Bool
+edje_external_param_int_get(const Eina_List *params, const char *key, int *ret)
+{
+   Edje_External_Param *param;
+
+   if (!params) return EINA_FALSE;
+   param = edje_external_param_find(params, key);
+
+   if (param && param->type == EDJE_EXTERNAL_PARAM_TYPE_INT && ret)
+     {
+        *ret = param->i;
+        return EINA_TRUE;
+     }
+
+   return EINA_FALSE;
+}
+
+EAPI Eina_Bool
+edje_external_param_double_get(const Eina_List *params, const char *key, double *ret)
+{
+   Edje_External_Param *param;
+
+   if (!params) return EINA_FALSE;
+   param = edje_external_param_find(params, key);
+
+   if (param && param->type == EDJE_EXTERNAL_PARAM_TYPE_DOUBLE && ret)
+     {
+        *ret = param->d;
+        return EINA_TRUE;
+     }
+
+   return EINA_FALSE;
+}
+
+EAPI Eina_Bool
+edje_external_param_string_get(const Eina_List *params, const char *key, const char **ret)
+{
+   Edje_External_Param *param;
+
+   if (!params) return EINA_FALSE;
+   param = edje_external_param_find(params, key);
+
+   if (param && param->type == EDJE_EXTERNAL_PARAM_TYPE_STRING && ret)
+     {
+        *ret = param->s;
+        return EINA_TRUE;
+     }
+
+   return EINA_FALSE;
+}
+
+EAPI Eina_Bool
+edje_external_param_bool_get(const Eina_List *params, const char *key, Eina_Bool *ret)
+{
+   Edje_External_Param *param;
+
+   if (!params) return EINA_FALSE;
+   param = edje_external_param_find(params, key);
+
+   if (param && param->type == EDJE_EXTERNAL_PARAM_TYPE_BOOL && ret)
+     {
+        *ret = param->i;
+        return EINA_TRUE;
+     }
+
+   return EINA_FALSE;
+}
+
+EAPI Eina_Bool
+edje_external_param_choice_get(const Eina_List *params, const char *key, const char **ret)
+{
+   Edje_External_Param *param;
+
+   if (!params) return EINA_FALSE;
+   param = edje_external_param_find(params, key);
+
+   if (param && param->type == EDJE_EXTERNAL_PARAM_TYPE_CHOICE && ret)
+     {
+        *ret = param->s;
+        return EINA_TRUE;
+     }
+
+   return EINA_FALSE;
+}
+
+EAPI const Edje_External_Param_Info *
+edje_external_param_info_get(const char *type_name)
+{
+   Edje_External_Type *type;
+
+   type = eina_hash_find(type_registry, type_name);
+   if (!type)
+     return NULL;
+   return type->parameters_info;
+}
+
+EAPI const Edje_External_Type *
+edje_external_type_get(const char *type_name)
+{
+   return eina_hash_find(type_registry, type_name);
+}
+
+void
+_edje_external_init()
+{
+   if (!type_registry)
+     type_registry = eina_hash_string_superfast_new(NULL);
+
+   init_count++;
+}
+
+void
+_edje_external_shutdown()
+{
+   if (--init_count == 0)
+     {
+        eina_hash_free(type_registry);
+        type_registry = NULL;
+     }
+}
+
+Evas_Object *
+_edje_external_type_add(const char *type_name, Evas *evas, Evas_Object *parent, const Eina_List *params, const char *part_name)
+{
+   Edje_External_Type *type;
+   Evas_Object *obj;
+
+   type = eina_hash_find(type_registry, type_name);
+   if (!type)
+     {
+        ERR("external type '%s' not registered", type_name);
+        return NULL;
+     }
+
+   obj = type->add(type->data, evas, parent, params, part_name);
+   if (!obj)
+     {
+        ERR("External type '%s' returned NULL from constructor", type_name);
+        return NULL;
+     }
+
+   evas_object_data_set(obj, "Edje_External_Type", type);
+
+   return obj;
+}
+
+void
+_edje_external_signal_emit(Evas_Object *obj, const char *emission, const char *source)
+{
+   Edje_External_Type *type;
+
+   type = evas_object_data_get(obj, "Edje_External_Type");
+   if (!type)
+     {
+        ERR("External type data not found.");
+        return;
+     }
+
+   type->signal_emit(type->data, obj, emission, source);
+}
+
+Eina_Bool
+_edje_external_param_set(Evas_Object *obj, Edje_Real_Part *rp, const Edje_External_Param *param)
+{
+   Evas_Object *swallowed_object = rp->swallowed_object;
+   Edje_External_Type *type = evas_object_data_get(swallowed_object, "Edje_External_Type");
+   if (!type)
+     {
+        if ((rp->part->type == EDJE_PART_TYPE_TEXT) ||
+            (rp->part->type == EDJE_PART_TYPE_TEXTBLOCK))
+          {
+             if ((param->type == EDJE_EXTERNAL_PARAM_TYPE_STRING) &&
+                 (!strcmp (param->name, "text")) && (obj))
+                {
+                   return edje_object_part_text_set(obj, rp->part->name, param->s);
+                }
+          }
+
+        ERR("no external type for object %p", swallowed_object);
+        return EINA_FALSE;
+     }
+   if (!type->param_set)
+     {
+        ERR("external type '%s' from module '%s' does not provide param_set()",
+            type->module_name, type->module);
+        return EINA_FALSE;
+     }
+   return type->param_set(type->data, swallowed_object, param);
+}
+
+Eina_Bool
+_edje_external_param_get(const Evas_Object *obj, Edje_Real_Part *rp, Edje_External_Param *param)
+{
+   Evas_Object *swallowed_object = rp->swallowed_object;
+   Edje_External_Type *type = evas_object_data_get(swallowed_object, "Edje_External_Type");
+   if (!type)
+     {
+        if ((rp->part->type == EDJE_PART_TYPE_TEXT) ||
+            (rp->part->type == EDJE_PART_TYPE_TEXTBLOCK))
+          {
+             const char *text;
+             param->type = EDJE_EXTERNAL_PARAM_TYPE_STRING;
+             param->name = "text";
+             text = edje_object_part_text_get(obj, rp->part->name);
+             param->s = text;
+             return EINA_TRUE;
+          }
+       
+        ERR("no external type for object %p", swallowed_object);
+        return EINA_FALSE;
+     }
+   if (!type->param_get)
+     {
+        ERR("external type '%s' from module '%s' does not provide param_get()",
+            type->module_name, type->module);
+        return EINA_FALSE;
+     }
+   return type->param_get(type->data, swallowed_object, param);
+}
+
+Evas_Object*
+_edje_external_content_get(const Evas_Object *obj, const char *content)
+{
+   Edje_External_Type *type = evas_object_data_get(obj, "Edje_External_Type");
+   if (!type)
+     {
+        ERR("no external type for object %p", obj);
+        return EINA_FALSE;
+     }
+   if (!type->content_get)
+     {
+        ERR("external type '%s' from module '%s' does not provide content_get()",
+            type->module_name, type->module);
+        return EINA_FALSE;
+     }
+   return type->content_get(type->data, obj, content);
+}
+
+void
+_edje_external_params_free(Eina_List *external_params, Eina_Bool free_strings)
+{
+   Edje_External_Param *param;
+
+   EINA_LIST_FREE(external_params, param)
+     {
+        if (free_strings)
+          {
+             if (param->name) eina_stringshare_del(param->name);
+             if (param->s) eina_stringshare_del(param->s);
+          }
+        free(param);
+     }
+}
+
+void
+_edje_external_recalc_apply(Edje *ed __UNUSED__, Edje_Real_Part *ep,
+                            Edje_Calc_Params *params __UNUSED__,
+                            Edje_Part_Description_Common *chosen_desc __UNUSED__)
+{
+   Edje_External_Type *type;
+   Edje_Part_Description_External *ext;
+   void *params1, *params2 = NULL;
+
+   if (!ep->swallowed_object) return;
+   type = evas_object_data_get(ep->swallowed_object, "Edje_External_Type");
+
+   if ((!type) || (!type->state_set)) return;
+
+   ext = (Edje_Part_Description_External*) ep->param1.description;
+
+   params1 = ep->param1.external_params ?
+     ep->param1.external_params : ext->external_params;
+
+   if (ep->param2 && ep->param2->description)
+     {
+        ext = (Edje_Part_Description_External*) ep->param2->description;
+
+        params2 = ep->param2->external_params ?
+          ep->param2->external_params : ext->external_params;
+     }
+
+   type->state_set(type->data, ep->swallowed_object,
+                   params1, params2, ep->description_pos);
+}
+
+void *
+_edje_external_params_parse(Evas_Object *obj, const Eina_List *params)
+{
+   Edje_External_Type *type;
+
+   type = evas_object_data_get(obj, "Edje_External_Type");
+   if (!type) return NULL;
+
+   if (!type->params_parse) return NULL;
+
+   return type->params_parse(type->data, obj, params);
+}
+
+void
+_edje_external_parsed_params_free(Evas_Object *obj, void *params)
+{
+   Edje_External_Type *type;
+
+   if (!params) return;
+
+   type = evas_object_data_get(obj, "Edje_External_Type");
+   if (!type) return;
+
+   if (!type->params_free) return;
+
+   type->params_free(params);
+}