1 files changed, 7 insertions, 14 deletions
diff --git a/include/cru/platform/native/ui_application.hpp b/include/cru/platform/native/ui_application.hpp
index 6d2ab659..c1f10d15 100644
--- a/include/cru/platform/native/ui_application.hpp
+++ b/include/cru/platform/native/ui_application.hpp
@@ -1,30 +1,21 @@
 #pragma once
-#include "../native_resource.hpp"
+#include "../resource.hpp"
 
 #include <chrono>
 #include <functional>
 #include <vector>
 
+namespace cru::platform::graph {
+struct IGraphFactory;
+}
+
 namespace cru::platform::native {
 struct INativeWindow;
 struct ICursorManager;
 
 // The entry point of a ui application.
-// It will call IGraphFactory::CreateInstance during its creation
-// and set graph factory to be auto deleted. If you want to keep
-// the graph factory then you should manually set it to false after
-// creating the ui application.
 struct IUiApplication : public virtual INativeResource {
  public:
-  // Create a platform-specific instance and save it as the global instance.
-  // Do not create the instance twice. Implements should assert for that.
-  // After creating, get the instance by GetInstance.
-  static IUiApplication* CreateInstance();
-
-  // Get the global instance. If it is not created, then return nullptr.
-  static IUiApplication* GetInstance();
-
- public:
   // Block current thread and run the message loop. Return the exit code when
   // message loop gets a quit message (possibly posted by method RequestQuit).
   virtual int Run() = 0;
@@ -44,6 +35,8 @@ struct IUiApplication : public virtual INativeResource {
   virtual std::vector<INativeWindow*> GetAllWindow() = 0;
   virtual INativeWindow* CreateWindow(INativeWindow* parent) = 0;
 
+  virtual cru::platform::graph::IGraphFactory* GetGraphFactory() = 0;
+
   virtual ICursorManager* GetCursorManager() = 0;
 };
 }  // namespace cru::platform::native