1 files changed, 64 insertions, 0 deletions
diff --git a/layout/xul/nsPopupSetFrame.h b/layout/xul/nsPopupSetFrame.h
new file mode 100644
index 0000000000..acc7bcc39e
--- /dev/null
+++ b/layout/xul/nsPopupSetFrame.h
@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 nsPopupSetFrame_h__
+#define nsPopupSetFrame_h__
+
+#include "mozilla/Attributes.h"
+#include "nsAtom.h"
+#include "nsBoxFrame.h"
+
+namespace mozilla {
+class PresShell;
+}  // namespace mozilla
+
+nsIFrame* NS_NewPopupSetFrame(mozilla::PresShell* aPresShell,
+                              mozilla::ComputedStyle* aStyle);
+
+class nsPopupSetFrame final : public nsBoxFrame {
+ public:
+  NS_DECL_FRAMEARENA_HELPERS(nsPopupSetFrame)
+
+  explicit nsPopupSetFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
+      : nsBoxFrame(aStyle, aPresContext, kClassID) {}
+
+  ~nsPopupSetFrame() = default;
+
+  virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
+                    nsIFrame* aPrevInFlow) override;
+
+  virtual void SetInitialChildList(ChildListID aListID,
+                                   nsFrameList& aChildList) override;
+  virtual void AppendFrames(ChildListID aListID,
+                            nsFrameList& aFrameList) override;
+  virtual void RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame) override;
+  virtual void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
+                            const nsLineList::iterator* aPrevFrameLine,
+                            nsFrameList& aFrameList) override;
+
+  virtual const nsFrameList& GetChildList(ChildListID aList) const override;
+  virtual void GetChildLists(nsTArray<ChildList>* aLists) const override;
+
+  NS_IMETHOD DoXULLayout(nsBoxLayoutState& aBoxLayoutState) override;
+
+  // Used to destroy our popup frames.
+  virtual void DestroyFrom(nsIFrame* aDestructRoot,
+                           PostDestroyData& aPostDestroyData) override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override {
+    return MakeFrameName(u"PopupSet"_ns, aResult);
+  }
+#endif
+
+ protected:
+  void AddPopupFrameList(nsFrameList& aPopupFrameList);
+  void RemovePopupFrame(nsIFrame* aPopup);
+
+  nsFrameList mPopupList;
+};
+
+#endif