void handle_signal_callback(gpointer no_used_key, struct SignalInfo* info, DBusMessage *msg)
{
DBusMessageIter iter;
dbus_message_iter_init(msg, &iter);
int num = g_slist_length(info->signatures);
JSValueRef *params = g_new(JSValueRef, num);
for (int i=0; i<num; i++) {
params[i] = dbus_to_js(get_global_context(), &iter);
if (!dbus_message_iter_next(&iter)) {
}
}
g_assert(info->callback != NULL);
JSObjectCallAsFunction(get_global_context(),
info->callback, NULL,
num, params, NULL);
g_free(params);
}
DBusHandlerResult watch_signal(DBusConnection* connection, DBusMessage *msg,
void *no_use)
{
if (dbus_message_get_type(msg) != DBUS_MESSAGE_TYPE_SIGNAL)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
const char* iface = dbus_message_get_interface(msg);
const char* s_name = dbus_message_get_member(msg);
const char* path = dbus_message_get_path(msg);
char* key = g_strdup_printf("%s%s%s", path, iface, s_name);
struct SignalInfo* info = g_hash_table_lookup(__sig_info_hash, key);
g_free(key);
if (info == NULL) {
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
} else {
DBusMessageIter iter;
dbus_message_iter_init(msg, &iter);
int num = g_slist_length(info->signatures);
JSValueRef *params = g_new(JSValueRef, num);
for (int i=0; i<num; i++) {
params[i] = dbus_to_js(get_global_context(), &iter);
if (!dbus_message_iter_next(&iter)) {
}
}
g_assert(info->callback != NULL);
JSObjectCallAsFunction(get_global_context(),
info->callback, NULL,
num, params, NULL);
g_free(params);
return DBUS_HANDLER_RESULT_HANDLED;
}
}
JSValueRef dbus_to_js(JSContextRef ctx, GVariant *dbus)
{
JSValueRef jsvalue = NULL;
GVariantClass type = g_variant_classify(dbus);
switch (type) {
case G_VARIANT_CLASS_STRING:
case G_VARIANT_CLASS_OBJECT_PATH:
case G_VARIANT_CLASS_SIGNATURE:
{
JSStringRef js_string = JSStringCreateWithUTF8CString(g_variant_get_string(dbus, NULL));
jsvalue = JSValueMakeString(ctx, js_string);
JSStringRelease(js_string);
return jsvalue;
}
case G_VARIANT_CLASS_BYTE:
return JSValueMakeNumber(ctx, g_variant_get_byte(dbus));
case G_VARIANT_CLASS_DOUBLE:
return JSValueMakeNumber(ctx, g_variant_get_double(dbus));
case G_VARIANT_CLASS_INT16:
return JSValueMakeNumber(ctx, g_variant_get_int16(dbus));
case G_VARIANT_CLASS_UINT16:
return JSValueMakeNumber(ctx, g_variant_get_uint16(dbus));
case G_VARIANT_CLASS_INT32:
return JSValueMakeNumber(ctx, g_variant_get_int32(dbus));
case G_VARIANT_CLASS_UINT32:
return JSValueMakeNumber(ctx, g_variant_get_uint32(dbus));
case G_VARIANT_CLASS_INT64:
return JSValueMakeNumber(ctx, g_variant_get_int64(dbus));
case G_VARIANT_CLASS_UINT64:
return JSValueMakeNumber(ctx, g_variant_get_uint64(dbus));
case G_VARIANT_CLASS_BOOLEAN:
return JSValueMakeBoolean(ctx, g_variant_get_boolean(dbus));
case G_VARIANT_CLASS_HANDLE:
g_warning("didn't support FD type");
return JSValueMakeNumber(ctx, g_variant_get_uint32(dbus));
case G_VARIANT_CLASS_VARIANT:
{
GVariant* v = g_variant_get_variant(dbus);
jsvalue = dbus_to_js(ctx, v);
g_variant_unref(v);
return jsvalue;
}
case G_VARIANT_CLASS_DICT_ENTRY:
/*g_assert_not_reached();*/
break;
case G_VARIANT_CLASS_ARRAY:
{
if (g_variant_type_is_dict_entry(g_variant_type_element(g_variant_get_type(dbus)))) {
jsvalue = JSObjectMake(ctx, NULL, NULL);
for (size_t i=0; i<g_variant_n_children(dbus); i++) {
GVariant *dic = g_variant_get_child_value(dbus, i);
GVariant *key= g_variant_get_child_value (dic, 0);
GVariant *value = g_variant_get_child_value (dic, 1);
JSValueRef js_key = dbus_to_js(ctx, key);
JSValueRef js_value = dbus_to_js(ctx, value);
JSStringRef key_str = JSValueToStringCopy(ctx, js_key, NULL);
JSObjectSetProperty(ctx, (JSObjectRef)jsvalue, key_str, js_value, 0, NULL);
JSStringRelease(key_str);
g_variant_unref(key);
g_variant_unref(value);
g_variant_unref(dic);
}
return jsvalue;
} else {
int n = g_variant_n_children(dbus);
JSValueRef *args = g_new(JSValueRef, n);
for (int i=0; i < n; i++) {
GVariant* v = g_variant_get_child_value(dbus, i);
args[i] = dbus_to_js(ctx, v);
g_variant_unref(v);
}
jsvalue = JSObjectMakeArray(ctx, n, args, NULL);
g_free(args);
return jsvalue;
}
}
case G_VARIANT_CLASS_TUPLE:
{
int n = g_variant_n_children(dbus);
jsvalue = JSObjectMakeArray(ctx, 0, NULL, NULL);
for (int i=0; i < n; i++) {
GVariant* v = g_variant_get_child_value(dbus, i);
JSObjectSetPropertyAtIndex(ctx, (JSObjectRef)jsvalue, i, dbus_to_js(ctx, v), NULL);
g_variant_unref(v);
}
return jsvalue;
}
case G_VARIANT_CLASS_MAYBE:
g_assert_not_reached();
}
g_warning("didn't support signature type:%c", type);
return JSValueMakeUndefined(ctx);
}
