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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-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 {
// nsIFrame overrides
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;
virtual nsresult GetFrameName(nsAString& aResult) const override;
void UpdateDescendantLeadings(const mozilla::RubyBlockLeadings& aLeadings) {
mozilla::RubyBlockLeadings GetDescendantLeadings() const {
return mDescendantLeadings;
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___ */