Refine editor native window frame contract

editor/app/Platform/Win32/Windowing/EditorWindow.cpp

@@ -156,6 +156,81 @@ bool EditorWindow::HasLiveHostWindow() const {
     return hwnd != nullptr && IsWindow(hwnd);
 }
 
+EditorNativeWindowMetrics EditorWindow::CaptureMetrics() const {
+    return EditorNativeWindowMetrics{
+        .dpiScale = GetDpiScale(),
+    };
+}
+
+bool EditorWindow::CaptureRuntimeSurface(
+    const EditorHostWindow& window,
+    EditorNativeWindowRuntimeSurface& outSurface) {
+    (void)window;
+    outSurface = {};
+    const HWND hwnd = m_session->GetHwnd();
+    if (hwnd == nullptr || !IsWindow(hwnd)) {
+        return false;
+    }
+
+    std::uint32_t clientWidth = 0u;
+    std::uint32_t clientHeight = 0u;
+    if (!QueryCurrentClientPixelSize(clientWidth, clientHeight)) {
+        clientWidth = 1u;
+        clientHeight = 1u;
+    }
+
+    outSurface.nativeWindowHandle = hwnd;
+    outSurface.widthPixels = clientWidth;
+    outSurface.heightPixels = clientHeight;
+    outSurface.dpiScale = GetDpiScale();
+    return true;
+}
+
+bool EditorWindow::CaptureFrameSnapshot(
+    const EditorHostWindow& window,
+    const UIEditorShellInteractionState& shellState,
+    EditorNativeWindowFrameSnapshot& outSnapshot) {
+    outSnapshot = {};
+    if (!HasLiveHostWindow()) {
+        return false;
+    }
+
+    std::uint32_t pixelWidth = 0u;
+    std::uint32_t pixelHeight = 0u;
+    if (!ResolveRenderClientPixelSize(pixelWidth, pixelHeight)) {
+        return false;
+    }
+
+    SyncShellCapturedPointerButtonsFromSystemState(shellState);
+
+    const float width = PixelsToDips(static_cast<float>(pixelWidth));
+    const float height = PixelsToDips(static_cast<float>(pixelHeight));
+    const bool useDetachedTitleBarTabStrip =
+        ShouldUseDetachedTitleBarTabStrip(window);
+
+    outSnapshot.widthPixels = pixelWidth;
+    outSnapshot.heightPixels = pixelHeight;
+    outSnapshot.widthDips = width;
+    outSnapshot.heightDips = height;
+    outSnapshot.dpiScale = GetDpiScale();
+    outSnapshot.workspaceBounds = ResolveWorkspaceBounds(window, width, height);
+    outSnapshot.inputEvents = TakePendingInputEvents();
+    outSnapshot.cursorScreenPoint = QueryCursorScreenPoint();
+    outSnapshot.useDetachedTitleBarTabStrip = useDetachedTitleBarTabStrip;
+    return outSnapshot.IsValid();
+}
+
+void EditorWindow::ApplyFrameCommands(
+    const EditorHostWindow& window,
+    const EditorNativeWindowFrameCommands& commands) {
+    if (commands.applyShellRuntimePointerCapture) {
+        ApplyShellRuntimePointerCapture(window);
+    }
+    if (commands.applyCurrentCursor) {
+        ApplyCurrentCursor();
+    }
+}
+
 const std::wstring& EditorWindow::GetTitle() const {
     return m_owner.GetTitle();
 }
@@ -194,10 +269,6 @@ void EditorWindow::InvalidateHostWindow() const {
     }
 }
 
-void* EditorWindow::GetNativeWindowHandle() const {
-    return m_session->GetHwnd();
-}
-
 void EditorWindow::PrepareRuntimeInitialization(EditorHostWindow& window) {
     (void)window;
     Host::RefreshBorderlessWindowDwmDecorations(m_session->GetHwnd());