+/**
+ * This function is substitute of requestSurface
+ * If surface creation is faster than application request of this function,
+ * WM will bind surfaceID with application and role.
+ * If surface creation is slower than application request of thie function,
+ * WM will put Client into pending list.
+ *
+ * Note :
+ * Application can request with pid but this is temporary solution for now.
+ * This will be removed.
+ * */
+bool App::api_set_role(char const *appid, char const *drawing_name, unsigned pid){
+ std::string id = appid;
+ std::string role = drawing_name;
+ unsigned surface = 0;
+ WMError wm_err = WMError::UNKNOWN;
+ bool ret = false;
+
+ // get layer ID which role should be in
+ auto lid = this->layers.get_layer_id(role);
+ if (!lid)
+ {
+ /**
+ * register drawing_name as fallback and make it displayed.
+ */
+ lid = this->layers.get_layer_id(std::string("Fallback"));
+ HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", role.c_str());
+ if (!lid)
+ {
+ HMI_ERROR("wm", "Drawing name does not match any role, Fallback is disabled");
+ return ret;
+ }
+ }
+
+ if(0 != pid){
+ // search floating surfaceID from pid if pid is designated.
+ // It is not good that application request with its pid
+ //wm_err = g_app_list.lookUpFloatingSurface(pid, &surface);
+ }
+ else{
+ // get floating surface with appid. If WM queries appid from pid,
+ // WM can bind appid and role to surface (not implemented yet)
+ //wm_err = g_app_list.lookUpFloatingSurface(id);
+ }
+ if(wm_err != WMError::SUCCESS){
+ HMI_ERROR("wm", "No floating surface for app: %s", id.c_str());
+ //g_app_list.addFloatingClient(id, *lid, role);
+ HMI_NOTICE("wm", "%s : Waiting for surface creation", id.c_str());
+ return ret;
+ }
+
+ ret = true;
+ if (g_app_list.contains(id))
+ {
+ HMI_INFO("wm", "Add role: %s with surface: %d. Client %s has multi surfaces.",
+ role.c_str(), surface, id.c_str());
+ //wm_err = g_app_list.appendRole(id, surface, role);
+ if(wm_err != WMError::SUCCESS){
+ HMI_INFO("wm", errorDescription(wm_err));
+ }
+ }
+ else{
+ HMI_INFO("wm", "Create new client: %s, surface: %d into layer: %d with role: %s",
+ id.c_str(), surface, *lid, role.c_str());
+ g_app_list.addClient(id, *lid, surface, role);
+ }
+ return ret;
+}
+