1 files changed, 74 insertions, 0 deletions
diff --git a/layout/generic/nsRubyTextContainerFrame.h b/layout/generic/nsRubyTextContainerFrame.h
new file mode 100644
index 000000000..1ce93db9b
--- /dev/null
+++ b/layout/generic/nsRubyTextContainerFrame.h
@@ -0,0 +1,74 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code is subject to the terms of the Mozilla Public License
+ * version 2.0 (the "License"). You can obtain a copy of the License at
+ * http://mozilla.org/MPL/2.0/. */
+
+/* rendering object for CSS "display: ruby-text-container" */
+
+#ifndef nsRubyTextContainerFrame_h___
+#define nsRubyTextContainerFrame_h___
+
+#include "nsBlockFrame.h"
+
+/**
+ * Factory function.
+ * @return a newly allocated nsRubyTextContainerFrame (infallible)
+ */
+nsContainerFrame* NS_NewRubyTextContainerFrame(nsIPresShell* aPresShell,
+                                               nsStyleContext* aContext);
+
+class nsRubyTextContainerFrame final : public nsContainerFrame
+{
+public:
+  NS_DECL_FRAMEARENA_HELPERS
+  NS_DECL_QUERYFRAME_TARGET(nsRubyTextContainerFrame)
+  NS_DECL_QUERYFRAME
+
+  // nsIFrame overrides
+  virtual nsIAtom* GetType() const override;
+  virtual bool IsFrameOfType(uint32_t aFlags) const override;
+  virtual void Reflow(nsPresContext* aPresContext,
+                      ReflowOutput& aDesiredSize,
+                      const ReflowInput& aReflowInput,
+                      nsReflowStatus& aStatus) override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+  // nsContainerFrame overrides
+  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;
+
+  bool IsSpanContainer() const
+  {
+    return GetStateBits() & NS_RUBY_TEXT_CONTAINER_IS_SPAN;
+  }
+
+protected:
+  friend nsContainerFrame*
+    NS_NewRubyTextContainerFrame(nsIPresShell* aPresShell,
+                                 nsStyleContext* aContext);
+  explicit nsRubyTextContainerFrame(nsStyleContext* aContext)
+    : nsContainerFrame(aContext)
+    , mISize(0) {}
+
+  void UpdateSpanFlag();
+
+  friend class nsRubyBaseContainerFrame;
+  void SetISize(nscoord aISize) { mISize = aISize; }
+
+  // The intended inline size of the ruby text container. It is set by
+  // the corresponding ruby base container when the segment is reflowed,
+  // and used when the ruby text container is reflowed by its parent.
+  nscoord mISize;
+};
+
+#endif /* nsRubyTextContainerFrame_h___ */