1 files changed, 64 insertions, 0 deletions
diff --git a/layout/xul/ScrollBoxObject.h b/layout/xul/ScrollBoxObject.h
new file mode 100644
index 000000000..3344bf3f0
--- /dev/null
+++ b/layout/xul/ScrollBoxObject.h
@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_ScrollBoxObject_h
+#define mozilla_dom_ScrollBoxObject_h
+
+#include "mozilla/dom/BoxObject.h"
+#include "Units.h"
+
+class nsIScrollableFrame;
+struct nsRect;
+
+namespace mozilla {
+namespace dom {
+
+class ScrollBoxObject final : public BoxObject
+{
+public:
+  ScrollBoxObject();
+
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  virtual nsIScrollableFrame* GetScrollFrame();
+
+  void ScrollTo(int32_t x, int32_t y, ErrorResult& aRv);
+  void ScrollBy(int32_t dx, int32_t dy, ErrorResult& aRv);
+  void ScrollByLine(int32_t dlines, ErrorResult& aRv);
+  void ScrollByIndex(int32_t dindexes, ErrorResult& aRv);
+  void ScrollToLine(int32_t line, ErrorResult& aRv);
+  void ScrollToElement(Element& child, ErrorResult& aRv);
+  void ScrollToIndex(int32_t index, ErrorResult& aRv);
+  int32_t GetPositionX(ErrorResult& aRv);
+  int32_t GetPositionY(ErrorResult& aRv);
+  int32_t GetScrolledWidth(ErrorResult& aRv);
+  int32_t GetScrolledHeight(ErrorResult& aRv);
+  void EnsureElementIsVisible(Element& child, ErrorResult& aRv);
+  void EnsureIndexIsVisible(int32_t index, ErrorResult& aRv);
+  void EnsureLineIsVisible(int32_t line, ErrorResult& aRv);
+
+  // Deprecated APIs from old IDL
+  void GetPosition(JSContext* cx,
+                   JS::Handle<JSObject*> x,
+                   JS::Handle<JSObject*> y,
+                   ErrorResult& aRv);
+
+  void GetScrolledSize(JSContext* cx,
+                       JS::Handle<JSObject*> width,
+                       JS::Handle<JSObject*> height,
+                       ErrorResult& aRv);
+
+protected:
+  void GetScrolledSize(nsRect& aRect, ErrorResult& aRv);
+  void GetPosition(CSSIntPoint& aPos, ErrorResult& aRv);
+
+private:
+  ~ScrollBoxObject();
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_ScrollBoxObject_h