refactor(editor): isolate windowing from composition runtime

editor/app/Windowing/Content/EditorWindowContentController.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "Windowing/EditorWindowTransferRequests.h"
+#include "Windowing/EditorFrameServices.h"
 #include "EditorWindowContentBindings.h"
 
 #include <XCEditor/Foundation/UIEditorTextMeasurement.h>
@@ -50,8 +51,6 @@ class EditorHostResourceService;
 
 namespace XCEngine::UI::Editor::App {
 
-class EditorContext;
-
 struct EditorWindowContentCapabilities {
     bool workspace = false;
     bool dockHost = false;
@@ -63,7 +62,7 @@ struct EditorWindowContentCapabilities {
 
 struct EditorWindowContentInitializationContext {
     const std::filesystem::path& repoRoot;
-    EditorContext& editorContext;
+    EditorFrameServices& frameServices;
     Rendering::Host::UiTextureHost& textureHost;
     Host::EditorHostResourceService& resourceService;
     UIEditorTextMeasurer& textMeasurer;
@@ -71,7 +70,7 @@ struct EditorWindowContentInitializationContext {
 };
 
 struct EditorWindowContentFrameContext {
-    EditorContext& editorContext;
+    EditorFrameServices& frameServices;
     const ::XCEngine::UI::UIRect& bounds;
     const std::vector<::XCEngine::UI::UIInputEvent>& inputEvents;
     std::optional<EditorWindowScreenPoint> cursorScreenPoint = {};
@@ -109,12 +108,14 @@ public:
     }
 
     virtual void Initialize(const EditorWindowContentInitializationContext&) {}
-    virtual void PrepareEditorContext(EditorContext& context, UIEditorTextMeasurer& textMeasurer);
-    virtual bool IsEditorContextValid(const EditorContext& context) const;
+    virtual void PrepareFrameServices(
+        EditorFrameServices& frameServices,
+        UIEditorTextMeasurer& textMeasurer);
+    virtual bool AreFrameServicesValid(const EditorFrameServices& frameServices) const;
     virtual void AppendInvalidFrame(
-        const EditorContext& context,
+        const EditorFrameServices& frameServices,
         ::XCEngine::UI::UIDrawList& drawList) const;
-    virtual void NotifyStartupCaptureRequested(EditorContext& context);
+    virtual void NotifyStartupCaptureRequested(EditorFrameServices& frameServices);
     virtual void Shutdown() {}
     virtual void ResetInteractionState() {}
     virtual void SetViewportSurfacePresentationEnabled(bool) {}