1 files changed, 8 insertions, 90 deletions

diff --git a/include/cru/ui/window.hpp b/include/cru/ui/window.hpp
index 86112189..f15e605b 100644
--- a/include/cru/ui/window.hpp
+++ b/include/cru/ui/window.hpp
@@ -1,13 +1,9 @@
 #pragma once
 #include "content_control.hpp"
 
-#include "cru/common/self_resolvable.hpp"
-
 namespace cru::ui {
-// TODO: Make Window able to be invalid and handle operations in invalidity
-// situation.
-class Window final : public ContentControl, public SelfResolvable<Window> {
-  friend class Control;
+class Window final : public ContentControl {
+  friend UiHost;
 
  public:
   static constexpr std::string_view control_type = "Window";
@@ -32,96 +28,18 @@ class Window final : public ContentControl, public SelfResolvable<Window> {
 
   render::RenderObject* GetRenderObject() const override;
 
-  platform::native::INativeWindow* ResolveNativeWindow();
-
-  // Get current control that mouse hovers on. This ignores the mouse-capture
-  // control. Even when mouse is captured by another control, this function
-  // return the control under cursor. You can use `GetMouseCaptureControl` to
-  // get more info.
-  Control* GetMouseHoverControl() const { return mouse_hover_control_; }
-
-  //*************** region: focus ***************
-
-  // Request focus for specified control.
-  bool RequestFocusFor(Control* control);
-
-  // Get the control that has focus.
-  Control* GetFocusControl();
-
-  //*************** region: focus ***************
-
-  // Pass nullptr to release capture. If mouse is already capture by a control,
-  // this capture will fail and return false. If control is identical to the
-  // capturing control, capture is not changed and this function will return
-  // true.
-  //
-  // When capturing control changes,
-  // appropriate event will be sent. If mouse is not on the capturing control
-  // and capture is released, mouse enter event will be sent to the mouse-hover
-  // control. If mouse is not on the capturing control and capture is set, mouse
-  // leave event will be sent to the mouse-hover control.
-  bool CaptureMouseFor(Control* control);
-
-  // Return null if not captured.
-  Control* GetMouseCaptureControl();
+  bool IsRetainAfterDestroy() { return retain_after_destroy_; }
+  void SetRetainAfterDestroy(bool destroy) { retain_after_destroy_ = destroy; }
 
  protected:
   void OnChildChanged(Control* old_child, Control* new_child) override;
 
  private:
-  Control* HitTest(const Point& point);
-
-  //*************** region: native messages ***************
-
-  void OnNativeDestroy(platform::native::INativeWindow* window, std::nullptr_t);
-  void OnNativePaint(platform::native::INativeWindow* window, std::nullptr_t);
-  void OnNativeResize(platform::native::INativeWindow* window,
-                      const Size& size);
-
-  void OnNativeFocus(platform::native::INativeWindow* window,
-                     cru::platform::native::FocusChangeType focus);
-
-  void OnNativeMouseEnterLeave(
-      platform::native::INativeWindow* window,
-      cru::platform::native::MouseEnterLeaveType enter);
-  void OnNativeMouseMove(platform::native::INativeWindow* window,
-                         const Point& point);
-  void OnNativeMouseDown(
-      platform::native::INativeWindow* window,
-      const platform::native::NativeMouseButtonEventArgs& args);
-  void OnNativeMouseUp(
-      platform::native::INativeWindow* window,
-      const platform::native::NativeMouseButtonEventArgs& args);
-
-  void OnNativeKeyDown(platform::native::INativeWindow* window,
-                       const platform::native::NativeKeyEventArgs& args);
-  void OnNativeKeyUp(platform::native::INativeWindow* window,
-                     const platform::native::NativeKeyEventArgs& args);
-  void OnNativeChar(platform::native::INativeWindow* window, std::string c);
-
-  //*************** region: event dispatcher helper ***************
-
-  void DispatchMouseHoverControlChangeEvent(Control* old_control,
-                                            Control* new_control,
-                                            const Point& point, bool no_leave,
-                                            bool no_enter);
-
-  void UpdateCursor();
-
- private:
-  std::shared_ptr<platform::native::INativeWindowResolver>
-      native_window_resolver_;
-
-  std::vector<EventRevokerGuard> event_revoker_guards_;
-
-  std::unique_ptr<render::WindowRenderObject> render_object_;
-
-  Control* mouse_hover_control_;
-
-  Control* focus_control_;  // "focus_control_" can't be nullptr
+  std::unique_ptr<UiHost> managed_ui_host_;
 
-  Control* mouse_captured_control_;
+  // UiHost is responsible to take care of lifetime of this.
+  render::WindowRenderObject* render_object_;
 
-  bool need_layout_ = false;
+  bool retain_after_destroy_ = false;
 };
 }  // namespace cru::ui