Refine editor window architecture

editor/app/Platform/Win32/Content/EditorWindowContentController.h

@@ -58,6 +58,15 @@ enum class EditorWindowContentCursorKind : std::uint8_t {
     ResizeNS,
 };
 
+struct EditorWindowContentCapabilities {
+    bool workspace = false;
+    bool dockHost = false;
+    bool inputFeedback = false;
+    bool titleBar = false;
+    bool viewportRendering = false;
+    bool utilityPanel = false;
+};
+
 class EditorWindowWorkspaceBinding {
 public:
     virtual ~EditorWindowWorkspaceBinding() = default;
@@ -125,6 +134,10 @@ class EditorWindowContentController {
 public:
     virtual ~EditorWindowContentController() = default;
 
+    virtual EditorWindowContentCapabilities GetCapabilities() const {
+        return {};
+    }
+
     virtual EditorWindowWorkspaceBinding* TryGetWorkspaceBinding() {
         return nullptr;
     }