v0.1.0-pre.058

kb-app-demo-desktop/src/app_state.rs

@@ -1,5 +1,5 @@
 // file: kb-app-demo-desktop/src/app_state.rs
-// version: 9
+// version: 10
 
 //! Shared Tauri application state and startup initialization.
 
@@ -23,6 +23,7 @@ pub(crate) struct AppState {
     demo_decode_replay_campaign_id: std::sync::Mutex<std::option::Option<std::string::String>>,
     demo_execution_solana_core_running: std::sync::atomic::AtomicBool,
     demo_execution_solana_core_cancel_requested: std::sync::atomic::AtomicBool,
+    startup_sequence_started: std::sync::atomic::AtomicBool,
 }
 
 impl crate::AppState {
@@ -68,6 +69,7 @@ impl crate::AppState {
             demo_decode_replay_campaign_id: std::sync::Mutex::new(std::option::Option::None),
             demo_execution_solana_core_running: std::sync::atomic::AtomicBool::new(false),
             demo_execution_solana_core_cancel_requested: std::sync::atomic::AtomicBool::new(false),
+            startup_sequence_started: std::sync::atomic::AtomicBool::new(false),
         });
     }
 
@@ -172,6 +174,19 @@ impl crate::AppState {
         return &self.demo_execution_solana_core_cancel_requested;
     }
 
+    /// Starts the splash startup sequence at most once.
+    pub(crate) fn begin_startup_sequence(&self) -> bool {
+        return self
+            .startup_sequence_started
+            .compare_exchange(
+                false,
+                true,
+                std::sync::atomic::Ordering::AcqRel,
+                std::sync::atomic::Ordering::Acquire,
+            )
+            .is_ok();
+    }
+
     /// Returns the number of logging routes held by the logging guard.
     pub(crate) fn logging_route_count(&self) -> usize {
         let lock_result = self.logging_guard.lock();