1 files changed, 27 insertions, 0 deletions
diff --git a/app/base_app.hpp b/app/base_app.hpp
new file mode 100644
index 0000000..c9367de
--- /dev/null
+++ b/app/base_app.hpp
@@ -0,0 +1,27 @@
+#pragma once
+#include "../hal/api.hpp"
+
+// Base app
+class BaseApp {
+    public:
+        struct AppAttributes {
+            uint id = 0;
+            bool destroy_on_exit = true;
+            uint render_interval = 500; // Interval in ms at which the render method is called.
+        };
+        enum AppReturnValues {
+            OK = 0,
+            CLOSE, // Close app from foreground, not respecting AppAttribues::destroy_on_exit.
+            QUIT // Completely quit app; stop running in background
+        };
+
+        // CHECK: Following have to be overwritten by derived classes
+        virtual const AppAttributes& app_get_attributes() = 0;
+        // Could be implemented as:
+        // {return app_attributes;}
+        // where app_attribues is an instance of AppAttributes
+
+        virtual AppReturnValues render(Api *app_api) = 0; // Has to be implemented
+        virtual AppReturnValues btnpressed(Api *app_api, uint gpio, unsigned long delta) {return AppReturnValues::OK;};
+        virtual AppReturnValues bgrefresh(Api *app_api, bool in_foreground) {return AppReturnValues::OK;};
+};