static bool ewk_js_method_invoke(NPObject* npObject, NPIdentifier name, const NPVariant* npArgs, uint32_t npArgCount, NPVariant* result)
{
Ewk_JS_Object* object = reinterpret_cast<Ewk_JS_Object*>(npObject);
Ewk_JS_Method* method;
Ewk_JS_Variant* args;
Ewk_JS_Variant* ret_val;
EINA_SAFETY_ON_NULL_RETURN_VAL(npObject, false);
EINA_MAGIC_CHECK_OR_RETURN(object, false);
if (!_NPN_IdentifierIsString(name)) {
ERR("int NPIdentifier is not supported.");
return false;
}
method = static_cast<Ewk_JS_Method*>(eina_hash_find(object->cls->methods, name));
if (!method)
return false;
args = static_cast<Ewk_JS_Variant*>(malloc(sizeof(Ewk_JS_Variant) *npArgCount));
if (!args) {
ERR("Could not allocate memory for ewk_js_variant");
return false;
}
for (uint32_t i = 0; i < npArgCount; i++)
ewk_js_npvariant_to_variant(&args[i], &npArgs[i]);
ret_val = method->invoke(object, args, npArgCount);
ewk_js_variant_to_npvariant(ret_val, result);
ewk_js_variant_free(ret_val);
return true;
}
static bool ewk_js_property_remove(NPObject* npObject, NPIdentifier name)
{
Ewk_JS_Object* object = reinterpret_cast<Ewk_JS_Object*>(npObject);
Ewk_JS_Property* prop;
bool fail = false;
EINA_SAFETY_ON_NULL_RETURN_VAL(npObject, false);
EINA_MAGIC_CHECK_OR_RETURN(object, false);
if (!_NPN_IdentifierIsString(name)) {
ERR("int NPIdentifier is not supported.");
return fail;
}
char* prop_name = _NPN_UTF8FromIdentifier(name);
prop = static_cast<Ewk_JS_Property*>(eina_hash_find(object->cls->properties, prop_name));
if (prop && prop->del)
fail = prop->del(object, prop->name); // Class has property and property has getter.
else if (object->cls->default_prop.del)
fail = object->cls->default_prop.del(object, prop_name);
else
fail = eina_hash_del(object->properties, prop_name, 0);
free(prop_name);
return fail;
}
static bool ewk_js_method_has(NPObject* npObject, NPIdentifier name)
{
Ewk_JS_Object* object = reinterpret_cast<Ewk_JS_Object*>(npObject);
EINA_SAFETY_ON_NULL_RETURN_VAL(npObject, false);
EINA_MAGIC_CHECK_OR_RETURN(object, false);
if (!_NPN_IdentifierIsString(name)) {
ERR("int NPIdentifier is not supported.");
return false;
}
return eina_hash_find(object->cls->methods, name); // Returns pointer if found(true), 0(false) otherwise.
}
// These methods are used by NPAI, thats the reason to use bool instead of Eina_Bool.
static bool ewk_js_property_has(NPObject* npObject, NPIdentifier name)
{
Ewk_JS_Object* object = reinterpret_cast<Ewk_JS_Object*>(npObject);
EINA_SAFETY_ON_NULL_RETURN_VAL(npObject, false);
EINA_MAGIC_CHECK_OR_RETURN(object, false);
if (!_NPN_IdentifierIsString(name)) {
ERR("int NPIdentifier is not supported.");
return false;
}
char* prop_name = _NPN_UTF8FromIdentifier(name);
bool fail = eina_hash_find(object->properties, prop_name); // FIXME: should search methods too?
free(prop_name);
return fail;
}
static bool ewk_js_property_get(NPObject* npObject, NPIdentifier name, NPVariant* result)
{
Ewk_JS_Object* object = reinterpret_cast<Ewk_JS_Object*>(npObject);
Ewk_JS_Variant* value;
Ewk_JS_Property* prop;
bool fail = false;
EINA_SAFETY_ON_NULL_RETURN_VAL(npObject, false);
EINA_MAGIC_CHECK_OR_RETURN(object, false);
if (!_NPN_IdentifierIsString(name)) {
ERR("int NPIdentifier is not supported.");
return false;
}
value = static_cast<Ewk_JS_Variant*>(malloc(sizeof(Ewk_JS_Variant)));
if (!value) {
ERR("Could not allocate memory for ewk_js_variant");
return false;
}
prop = static_cast<Ewk_JS_Property*>(eina_hash_find(object->cls->properties, name));
if (prop && prop->get) { // Class has property and property has getter.
fail = prop->get(object, prop->name, value);
if (!fail)
fail = ewk_js_variant_to_npvariant(value, result);
} else if (object->cls->default_prop.get) { // Default getter exists.
fail = object->cls->default_prop.get(object, prop->name, value);
if (!fail)
fail = ewk_js_variant_to_npvariant(value, result);
} else { // Fallback to objects hash map.
char* prop_name = _NPN_UTF8FromIdentifier(name);
free(value);
value = static_cast<Ewk_JS_Variant*>(eina_hash_find(object->properties, prop_name));
free(prop_name);
if (value)
return ewk_js_variant_to_npvariant(value, result);
}
free(value);
return fail;
}
bool WebBindings::identifierIsString(NPIdentifier identifier)
{
return _NPN_IdentifierIsString(identifier);
}
bool NPN_IdentifierIsString(NPIdentifier identifier) {
return _NPN_IdentifierIsString(identifier);
}