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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 */
/* rendering object for CSS "display: ruby" */
#ifndef nsRubyFrame_h___
#define nsRubyFrame_h___
#include "nsInlineFrame.h"
#include "RubyUtils.h"
namespace mozilla {
class PresShell;
} // namespace mozilla
* Factory function.
* @return a newly allocated nsRubyFrame (infallible)
nsContainerFrame* NS_NewRubyFrame(mozilla::PresShell* aPresShell,
mozilla::ComputedStyle* aStyle);
class nsRubyFrame final : public nsInlineFrame {
// nsIFrame overrides
virtual void AddInlineMinISize(gfxContext* aRenderingContext,
InlineMinISizeData* aData) override;
virtual void AddInlinePrefISize(gfxContext* aRenderingContext,
InlinePrefISizeData* aData) override;
virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
virtual nsresult GetFrameName(nsAString& aResult) const override;
mozilla::RubyBlockLeadings GetBlockLeadings() const { return mLeadings; }
friend nsContainerFrame* NS_NewRubyFrame(mozilla::PresShell* aPresShell,
ComputedStyle* aStyle);
explicit nsRubyFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
: nsInlineFrame(aStyle, aPresContext, kClassID) {}
void ReflowSegment(nsPresContext* aPresContext,
const ReflowInput& aReflowInput, nscoord aBlockStartAscent,
nscoord aBlockSize,
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___ */