+char const *App::api_request_surface(char const *drawing_name,
+ char const *ivi_id) {
+ ST();
+
+ auto lid = this->layers.get_layer_id(std::string(drawing_name));
+ unsigned sid = std::stol(ivi_id);
+
+ 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", drawing_name);
+ if(!lid){
+ return "Drawing name does not match any role, Fallback is disabled";
+ }
+ }
+
+ auto rname = this->lookup_id(drawing_name);
+
+ if (rname) {
+ return "Surface already present";
+ }
+
+ // register pair drawing_name and ivi_id
+ this->id_alloc.register_name_id(drawing_name, sid);
+ this->layers.add_surface(sid, *lid);
+
+ // this surface is already created
+ HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
+
+ this->controller->layers[*lid]->add_surface(sid);
+ this->layout_commit();
+
+ return nullptr;
+}
+
+result<json_object *> App::api_get_display_info() {
+ // Check controller
+ if (!this->controller) {
+ return Err<json_object *>("ivi_controller global not available");
+ }
+
+ // Set display info
+ compositor::size o_size = this->controller->output_size;
+ compositor::size p_size = this->controller->physical_size;
+
+ json_object *object = json_object_new_object();
+ json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
+ json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
+ json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
+ json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
+
+ return Ok<json_object *>(object);
+}
+
+result<json_object *> App::api_get_area_info(char const *drawing_name) {
+ HMI_DEBUG("wm", "called");
+
+ // Check drawing name, surface/layer id
+ auto const &surface_id = this->lookup_id(drawing_name);
+ if (!surface_id) {
+ return Err<json_object *>("Surface does not exist");
+ }
+
+ if (!this->controller->surface_exists(*surface_id)) {
+ return Err<json_object *>("Surface does not exist in controller!");
+ }
+
+ auto layer_id = this->layers.get_layer_id(*surface_id);
+ if (!layer_id) {
+ return Err<json_object *>("Surface is not on any layer!");
+ }
+
+ auto o_state = *this->layers.get_layout_state(*surface_id);
+ if (o_state == nullptr) {
+ return Err<json_object *>("Could not find layer for surface");
+ }
+
+ struct LayoutState &state = *o_state;
+ if ((state.main != *surface_id) && (state.sub != *surface_id)) {
+ return Err<json_object *>("Surface is inactive");
+ }
+
+ // Set area rectangle
+ compositor::rect area_info = this->area_info[*surface_id];
+ json_object *object = json_object_new_object();
+ json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
+ json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
+ json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
+ json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
+
+ return Ok<json_object *>(object);
+}
+