1 files changed, 128 insertions, 0 deletions
diff --git a/layout/xul/tree/TreeBoxObject.h b/layout/xul/tree/TreeBoxObject.h
new file mode 100644
index 000000000..d997b5a63
--- /dev/null
+++ b/layout/xul/tree/TreeBoxObject.h
@@ -0,0 +1,128 @@
+/* -*- 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_TreeBoxObject_h
+#define mozilla_dom_TreeBoxObject_h
+
+#include "mozilla/dom/BoxObject.h"
+#include "nsITreeView.h"
+#include "nsITreeBoxObject.h"
+
+class nsTreeBodyFrame;
+class nsTreeColumn;
+class nsTreeColumns;
+
+namespace mozilla {
+namespace dom {
+
+struct TreeCellInfo;
+class DOMRect;
+
+class TreeBoxObject final : public BoxObject,
+                            public nsITreeBoxObject
+{
+public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TreeBoxObject, BoxObject)
+  NS_DECL_NSITREEBOXOBJECT
+
+  TreeBoxObject();
+
+  nsTreeBodyFrame* GetTreeBodyFrame(bool aFlushLayout = false);
+  nsTreeBodyFrame* GetCachedTreeBodyFrame() { return mTreeBody; }
+
+  //NS_PIBOXOBJECT interfaces
+  virtual void Clear() override;
+  virtual void ClearCachedValues() override;
+
+  // WebIDL
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  already_AddRefed<nsTreeColumns> GetColumns();
+
+  already_AddRefed<nsITreeView> GetView();
+
+  void SetView(nsITreeView* arg, ErrorResult& aRv);
+
+  bool Focused();
+
+  already_AddRefed<Element> GetTreeBody();
+
+  int32_t RowHeight();
+
+  int32_t RowWidth();
+
+  int32_t HorizontalPosition();
+
+  already_AddRefed<nsIScriptableRegion> SelectionRegion();
+
+  int32_t GetFirstVisibleRow();
+
+  int32_t GetLastVisibleRow();
+
+  int32_t GetPageLength();
+
+  int32_t GetRowAt(int32_t x, int32_t y);
+
+  void GetCellAt(int32_t x, int32_t y, TreeCellInfo& aRetVal, ErrorResult& aRv);
+
+  already_AddRefed<DOMRect> GetCoordsForCellItem(int32_t row,
+                                                 nsTreeColumn& col,
+                                                 const nsAString& element,
+                                                 ErrorResult& aRv);
+
+  bool IsCellCropped(int32_t row, nsITreeColumn* col, ErrorResult& aRv);
+
+  // Deprecated APIs from old IDL
+  void GetCellAt(JSContext* cx,
+                 int32_t x, int32_t y,
+                 JS::Handle<JSObject*> rowOut,
+                 JS::Handle<JSObject*> colOut,
+                 JS::Handle<JSObject*> childEltOut,
+                 ErrorResult& aRv);
+
+  void GetCoordsForCellItem(JSContext* cx,
+                            int32_t row,
+                            nsTreeColumn& col,
+                            const nsAString& element,
+                            JS::Handle<JSObject*> xOut,
+                            JS::Handle<JSObject*> yOut,
+                            JS::Handle<JSObject*> widthOut,
+                            JS::Handle<JSObject*> heightOut,
+                            ErrorResult& aRv);
+
+  // Same signature (except for nsresult return type) as the XPIDL impls
+  // void Invalidate();
+  // void BeginUpdateBatch();
+  // void EndUpdateBatch();
+  // void ClearStyleAndImageCaches();
+  // void SetFocused(bool arg);
+  // void EnsureRowIsVisible(int32_t index);
+  // void EnsureCellIsVisible(int32_t row, nsITreeColumn* col);
+  // void ScrollToRow(int32_t index);
+  // void ScrollByLines(int32_t numLines);
+  // void ScrollByPages(int32_t numPages);
+  // void ScrollToCell(int32_t row, nsITreeColumn* col);
+  // void ScrollToColumn(nsITreeColumn* col);
+  // void ScrollToHorizontalPosition(int32_t horizontalPosition);
+  // void InvalidateColumn(nsITreeColumn* col);
+  // void InvalidateRow(int32_t index);
+  // void InvalidateCell(int32_t row, nsITreeColumn* col);
+  // void InvalidateRange(int32_t startIndex, int32_t endIndex);
+  // void InvalidateColumnRange(int32_t startIndex, int32_t endIndex, nsITreeColumn* col);
+  // void RowCountChanged(int32_t index, int32_t count);
+
+protected:
+  nsTreeBodyFrame* mTreeBody;
+  nsCOMPtr<nsITreeView> mView;
+
+private:
+  ~TreeBoxObject();
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif