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diff --git a/layout/generic/nsRubyBaseContainerFrame.h b/layout/generic/nsRubyBaseContainerFrame.h
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+/* -*- 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/. */
+
+/* rendering object for CSS "display: ruby-base-container" */
+
+#ifndef nsRubyBaseContainerFrame_h___
+#define nsRubyBaseContainerFrame_h___
+
+#include "nsContainerFrame.h"
+#include "RubyUtils.h"
+
+namespace mozilla {
+class PresShell;
+} // namespace mozilla
+
+/**
+ * Factory function.
+ * @return a newly allocated nsRubyBaseContainerFrame (infallible)
+ */
+nsContainerFrame* NS_NewRubyBaseContainerFrame(mozilla::PresShell* aPresShell,
+ mozilla::ComputedStyle* aStyle);
+
+class nsRubyBaseContainerFrame final : public nsContainerFrame {
+ public:
+ NS_DECL_FRAMEARENA_HELPERS(nsRubyBaseContainerFrame)
+ NS_DECL_QUERYFRAME
+
+ // nsIFrame overrides
+ virtual bool IsFrameOfType(uint32_t aFlags) const override;
+ virtual bool CanContinueTextRun() const override;
+ virtual void AddInlineMinISize(gfxContext* aRenderingContext,
+ InlineMinISizeData* aData) override;
+ virtual void AddInlinePrefISize(gfxContext* aRenderingContext,
+ InlinePrefISizeData* aData) override;
+ SizeComputationResult ComputeSize(
+ 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;
+
+ Maybe<nscoord> GetNaturalBaselineBOffset(
+ mozilla::WritingMode aWM, BaselineSharingGroup aBaselineGroup,
+ BaselineExportContext) 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(
+ mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
+
+ explicit nsRubyBaseContainerFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext)
+ : nsContainerFrame(aStyle, aPresContext, kClassID) {}
+
+ struct RubyReflowInput;
+ nscoord ReflowColumns(const RubyReflowInput& aReflowInput,
+ ReflowOutput& aDesiredSize, nsReflowStatus& aStatus);
+ nscoord ReflowOneColumn(const RubyReflowInput& aReflowInput,
+ uint32_t aColumnIndex,
+ const mozilla::RubyColumn& aColumn,
+ ReflowOutput& aDesiredSize, 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___ */