1 files changed, 68 insertions, 0 deletions
diff --git a/layout/generic/nsRubyFrame.h b/layout/generic/nsRubyFrame.h
new file mode 100644
index 000000000..c1fc7a303
--- /dev/null
+++ b/layout/generic/nsRubyFrame.h
@@ -0,0 +1,68 @@
+/* -*- 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" */
+
+#ifndef nsRubyFrame_h___
+#define nsRubyFrame_h___
+
+#include "nsInlineFrame.h"
+#include "RubyUtils.h"
+
+/**
+ * Factory function.
+ * @return a newly allocated nsRubyFrame (infallible)
+ */
+nsContainerFrame* NS_NewRubyFrame(nsIPresShell* aPresShell,
+                                  nsStyleContext* aContext);
+
+class nsRubyFrame final : public nsInlineFrame
+{
+public:
+  NS_DECL_FRAMEARENA_HELPERS
+  NS_DECL_QUERYFRAME_TARGET(nsRubyFrame)
+  NS_DECL_QUERYFRAME
+
+  // nsIFrame overrides
+  virtual nsIAtom* GetType() const override;
+  virtual bool IsFrameOfType(uint32_t aFlags) const override;
+  virtual void AddInlineMinISize(nsRenderingContext *aRenderingContext,
+                                 InlineMinISizeData *aData) override;
+  virtual void AddInlinePrefISize(nsRenderingContext *aRenderingContext,
+                                  InlinePrefISizeData *aData) 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
+
+  mozilla::RubyBlockLeadings GetBlockLeadings() const {
+    return mLeadings;
+  }
+
+protected:
+  friend nsContainerFrame* NS_NewRubyFrame(nsIPresShell* aPresShell,
+                                           nsStyleContext* aContext);
+  explicit nsRubyFrame(nsStyleContext* aContext)
+    : nsInlineFrame(aContext) {}
+
+  void ReflowSegment(nsPresContext* aPresContext,
+                     const ReflowInput& aReflowInput,
+                     nsRubyBaseContainerFrame* aBaseContainer,
+                     nsReflowStatus& aStatus);
+
+  nsRubyBaseContainerFrame* PullOneSegment(const nsLineLayout* aLineLayout,
+                                           ContinuationTraversingState& aState);
+
+  // The leadings required to put the annotations. They are dummy-
+  // initialized to 0, and get meaningful values at first reflow.
+  mozilla::RubyBlockLeadings mLeadings;
+};
+
+#endif /* nsRubyFrame_h___ */