Refactor timer.

1 files changed, 5 insertions, 5 deletions

diff --git a/include/cru/platform/native/UiApplication.hpp b/include/cru/platform/native/UiApplication.hpp
index 1aa4df57..135e95c3 100644
--- a/include/cru/platform/native/UiApplication.hpp
+++ b/include/cru/platform/native/UiApplication.hpp
@@ -31,16 +31,16 @@ struct IUiApplication : public virtual INativeResource {
 
   virtual void AddOnQuitHandler(std::function<void()> handler) = 0;
 
-  virtual void InvokeLater(std::function<void()> action) = 0;
-  // Timer id should always be positive and never the same. So it's ok to use
-  // negative value to represent no timer.
+  // Timer id should always be positive (not 0) and never the same. So it's ok
+  // to use negative value (or 0) to represent no timer.
+  virtual long long SetImmediate(std::function<void()> action) = 0;
   virtual long long SetTimeout(std::chrono::milliseconds milliseconds,
                                std::function<void()> action) = 0;
   virtual long long SetInterval(std::chrono::milliseconds milliseconds,
                                 std::function<void()> action) = 0;
   // Implementation should guarantee calls on timer id already canceled have no
-  // effects and do not crash. Also canceling negative id should always result
-  // in no-op.
+  // effects and do not crash. Also canceling negative id or 0 should always
+  // result in no-op.
   virtual void CancelTimer(long long id) = 0;
 
   virtual std::vector<INativeWindow*> GetAllWindow() = 0;