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-rw-r--r--src/app.cpp19
1 files changed, 16 insertions, 3 deletions
diff --git a/src/app.cpp b/src/app.cpp
index 8806850..e9d79f5 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -712,8 +712,14 @@ void App::emit_visible(char const *label) { return emit_visible(label, true); }
result<int> App::api_request_surface(char const *drawing_name) {
auto lid = this->layers.get_layer_id(std::string(drawing_name));
if (!lid) {
- // TODO: Do we need to put these applications on the App layer?
- return Err<int>("Drawing name does not match any role");
+ /**
+ * 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 Err<int>("Drawing name does not match any role, Fallback is disabled");
+ }
}
auto rname = this->lookup_id(drawing_name);
@@ -744,7 +750,14 @@ char const *App::api_request_surface(char const *drawing_name,
unsigned sid = std::stol(ivi_id);
if (!lid) {
- return "Drawing name does not match any role";
+ /**
+ * 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);