1 files changed, 110 insertions, 0 deletions
diff --git a/layout/forms/nsFieldSetFrame.h b/layout/forms/nsFieldSetFrame.h
new file mode 100644
index 0000000000..54eaf678f3
--- /dev/null
+++ b/layout/forms/nsFieldSetFrame.h
@@ -0,0 +1,110 @@
+/* -*- 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 nsFieldSetFrame_h___
+#define nsFieldSetFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "imgIContainer.h"
+#include "nsContainerFrame.h"
+
+class nsFieldSetFrame final : public nsContainerFrame
+{
+  typedef mozilla::image::DrawResult DrawResult;
+
+public:
+  NS_DECL_FRAMEARENA_HELPERS
+
+  explicit nsFieldSetFrame(nsStyleContext* aContext);
+
+  nscoord
+    GetIntrinsicISize(nsRenderingContext* aRenderingContext,
+                      nsLayoutUtils::IntrinsicISizeType);
+  virtual nscoord GetMinISize(nsRenderingContext* aRenderingContext) override;
+  virtual nscoord GetPrefISize(nsRenderingContext* aRenderingContext) override;
+  virtual mozilla::LogicalSize
+  ComputeSize(nsRenderingContext *aRenderingContext,
+              mozilla::WritingMode aWritingMode,
+              const mozilla::LogicalSize& aCBSize,
+              nscoord aAvailableISize,
+              const mozilla::LogicalSize& aMargin,
+              const mozilla::LogicalSize& aBorder,
+              const mozilla::LogicalSize& aPadding,
+              ComputeSizeFlags aFlags) override;
+  virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode) const override;
+
+  /**
+   * The area to paint box-shadows around.  It's the border rect except
+   * when there's a <legend> we offset the y-position to the center of it.
+   */
+  virtual nsRect VisualBorderRectRelativeToSelf() const override;
+
+  virtual void Reflow(nsPresContext*           aPresContext,
+                      ReflowOutput&     aDesiredSize,
+                      const ReflowInput& aReflowInput,
+                      nsReflowStatus&          aStatus) override;
+                               
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) override;
+
+  DrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
+                         nsRenderingContext& aRenderingContext,
+                         nsPoint aPt, const nsRect& aDirtyRect);
+
+#ifdef DEBUG
+  virtual void SetInitialChildList(ChildListID    aListID,
+                                   nsFrameList&   aChildList) override;
+  virtual void AppendFrames(ChildListID    aListID,
+                            nsFrameList&   aFrameList) override;
+  virtual void InsertFrames(ChildListID    aListID,
+                            nsIFrame*      aPrevFrame,
+                            nsFrameList&   aFrameList) override;
+  virtual void RemoveFrame(ChildListID    aListID,
+                           nsIFrame*      aOldFrame) override;
+#endif
+
+  virtual nsIAtom* GetType() const override;
+  virtual bool IsFrameOfType(uint32_t aFlags) const override
+  {
+    return nsContainerFrame::IsFrameOfType(aFlags &
+             ~nsIFrame::eCanContainOverflowContainers);
+  }
+  virtual nsIScrollableFrame* GetScrollTargetFrame() override
+  {
+    return do_QueryFrame(GetInner());
+  }
+
+#ifdef ACCESSIBILITY  
+  virtual mozilla::a11y::AccType AccessibleType() override;
+#endif
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override {
+    return MakeFrameName(NS_LITERAL_STRING("FieldSet"), aResult);
+  }
+#endif
+
+  /**
+   * Return the anonymous frame that contains all descendants except
+   * the legend frame.  This is currently always a block frame with
+   * pseudo nsCSSAnonBoxes::fieldsetContent -- this may change in the
+   * future when we add support for CSS overflow for <fieldset>.
+   */
+  nsIFrame* GetInner() const;
+
+  /**
+   * Return the frame that represents the legend if any.  This may be
+   * a nsLegendFrame or a nsHTMLScrollFrame with the nsLegendFrame as the
+   * scrolled frame (aka content insertion frame).
+   */
+  nsIFrame* GetLegend() const;
+
+protected:
+  mozilla::LogicalRect mLegendRect;
+  nscoord   mLegendSpace;
+};
+
+#endif // nsFieldSetFrame_h___