1 files changed, 80 insertions, 0 deletions
diff --git a/layout/xul/nsLeafBoxFrame.h b/layout/xul/nsLeafBoxFrame.h
new file mode 100644
index 0000000000..bf9df4c3cd
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+++ b/layout/xul/nsLeafBoxFrame.h
@@ -0,0 +1,80 @@
+/* -*- 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 nsLeafBoxFrame_h___
+#define nsLeafBoxFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsLeafFrame.h"
+
+namespace mozilla {
+class PresShell;
+}  // namespace mozilla
+
+class nsLeafBoxFrame : public nsLeafFrame {
+ public:
+  NS_DECL_FRAMEARENA_HELPERS(nsLeafBoxFrame)
+
+  friend nsIFrame* NS_NewLeafBoxFrame(mozilla::PresShell* aPresShell,
+                                      ComputedStyle* aStyle);
+
+  virtual nsSize GetXULPrefSize(nsBoxLayoutState& aState) override;
+  virtual nsSize GetXULMinSize(nsBoxLayoutState& aState) override;
+  virtual nsSize GetXULMaxSize(nsBoxLayoutState& aState) override;
+  virtual nscoord GetXULBoxAscent(nsBoxLayoutState& aState) override;
+
+  virtual bool IsFrameOfType(uint32_t aFlags) const override {
+    // This is bogus, but it's what we've always done.
+    // Note that nsLeafFrame is also eReplacedContainsBlock.
+    return nsLeafFrame::IsFrameOfType(
+        aFlags & ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock |
+                   nsIFrame::eXULBox));
+  }
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+  // nsIHTMLReflow overrides
+
+  virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
+  virtual nscoord GetPrefISize(gfxContext* aRenderingContext) override;
+
+  // Our auto size is that provided by nsFrame, not nsLeafFrame
+  mozilla::LogicalSize ComputeAutoSize(
+      gfxContext* aRenderingContext, mozilla::WritingMode aWM,
+      const mozilla::LogicalSize& aCBSize, nscoord aAvailableISize,
+      const mozilla::LogicalSize& aMargin,
+      const mozilla::LogicalSize& aBorderPadding,
+      const mozilla::StyleSizeOverrides& aSizeOverrides,
+      mozilla::ComputeSizeFlags aFlags) override;
+
+  virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
+                      const ReflowInput& aReflowInput,
+                      nsReflowStatus& aStatus) override;
+
+  virtual nsresult CharacterDataChanged(
+      const CharacterDataChangeInfo&) override;
+
+  virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
+                    nsIFrame* asPrevInFlow) override;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+                                const nsDisplayListSet& aLists) override;
+
+  virtual bool XULComputesOwnOverflowArea() override { return false; }
+
+ protected:
+  NS_IMETHOD DoXULLayout(nsBoxLayoutState& aState) override;
+
+  virtual nscoord GetIntrinsicISize() override;
+
+  explicit nsLeafBoxFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
+                          ClassID aID = kClassID)
+      : nsLeafFrame(aStyle, aPresContext, aID) {}
+
+};  // class nsLeafBoxFrame
+
+#endif /* nsLeafBoxFrame_h___ */