1 files changed, 95 insertions, 0 deletions
diff --git a/layout/generic/nsRubyBaseContainerFrame.h b/layout/generic/nsRubyBaseContainerFrame.h
new file mode 100644
index 000000000..7e8c449d3
--- /dev/null
+++ b/layout/generic/nsRubyBaseContainerFrame.h
@@ -0,0 +1,95 @@
+/* -*- 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-base-container" */
+
+#ifndef nsRubyBaseContainerFrame_h___
+#define nsRubyBaseContainerFrame_h___
+
+#include "nsContainerFrame.h"
+#include "RubyUtils.h"
+
+/**
+ * Factory function.
+ * @return a newly allocated nsRubyBaseContainerFrame (infallible)
+ */
+nsContainerFrame* NS_NewRubyBaseContainerFrame(nsIPresShell* aPresShell,
+                                               nsStyleContext* aContext);
+
+class nsRubyBaseContainerFrame final : public nsContainerFrame
+{
+public:
+  NS_DECL_FRAMEARENA_HELPERS
+  NS_DECL_QUERYFRAME_TARGET(nsRubyBaseContainerFrame)
+  NS_DECL_QUERYFRAME
+
+  // nsIFrame overrides
+  virtual nsIAtom* GetType() const override;
+  virtual bool IsFrameOfType(uint32_t aFlags) const override;
+  virtual bool CanContinueTextRun() const override;
+  virtual void AddInlineMinISize(nsRenderingContext *aRenderingContext,
+                                 InlineMinISizeData *aData) override;
+  virtual void AddInlinePrefISize(nsRenderingContext *aRenderingContext,
+                                  InlinePrefISizeData *aData) 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 void Reflow(nsPresContext* aPresContext,
+                      ReflowOutput& aDesiredSize,
+                      const ReflowInput& aReflowInput,
+                      nsReflowStatus& aStatus) override;
+
+  virtual nscoord
+    GetLogicalBaseline(mozilla::WritingMode aWritingMode) const override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+  void UpdateDescendantLeadings(const mozilla::RubyBlockLeadings& aLeadings) {
+    mDescendantLeadings.Update(aLeadings);
+  }
+  mozilla::RubyBlockLeadings GetDescendantLeadings() const {
+    return mDescendantLeadings;
+  }
+
+protected:
+  friend nsContainerFrame*
+    NS_NewRubyBaseContainerFrame(nsIPresShell* aPresShell,
+                                 nsStyleContext* aContext);
+  explicit nsRubyBaseContainerFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
+
+  struct RubyReflowInput;
+  nscoord ReflowColumns(const RubyReflowInput& aReflowInput,
+                        nsReflowStatus& aStatus);
+  nscoord ReflowOneColumn(const RubyReflowInput& aReflowInput,
+                          uint32_t aColumnIndex,
+                          const mozilla::RubyColumn& aColumn,
+                          nsReflowStatus& aStatus);
+  nscoord ReflowSpans(const RubyReflowInput& aReflowInput);
+
+  struct PullFrameState;
+
+  // Pull ruby base and corresponding ruby text frames from
+  // continuations after them.
+  void PullOneColumn(nsLineLayout* aLineLayout,
+                     PullFrameState& aPullFrameState,
+                     mozilla::RubyColumn& aColumn,
+                     bool& aIsComplete);
+
+  nscoord mBaseline;
+
+  // Leading produced by descendant ruby annotations.
+  mozilla::RubyBlockLeadings mDescendantLeadings;
+};
+
+#endif /* nsRubyBaseContainerFrame_h___ */