зеркало из https://github.com/mozilla/gecko-dev.git
94 строки
3.7 KiB
C++
94 строки
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* rendering object for CSS "display: ruby-base-container" */
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#ifndef nsRubyBaseContainerFrame_h___
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#define nsRubyBaseContainerFrame_h___
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#include "nsContainerFrame.h"
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#include "RubyUtils.h"
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namespace mozilla {
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class PresShell;
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} // namespace mozilla
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/**
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* Factory function.
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* @return a newly allocated nsRubyBaseContainerFrame (infallible)
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*/
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nsContainerFrame* NS_NewRubyBaseContainerFrame(mozilla::PresShell* aPresShell,
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mozilla::ComputedStyle* aStyle);
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class nsRubyBaseContainerFrame final : public nsContainerFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsRubyBaseContainerFrame)
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NS_DECL_QUERYFRAME
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// nsIFrame overrides
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virtual bool IsFrameOfType(uint32_t aFlags) const override;
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virtual bool CanContinueTextRun() const override;
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virtual void AddInlineMinISize(gfxContext* aRenderingContext,
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InlineMinISizeData* aData) override;
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virtual void AddInlinePrefISize(gfxContext* aRenderingContext,
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InlinePrefISizeData* aData) override;
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SizeComputationResult ComputeSize(gfxContext* aRenderingContext,
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mozilla::WritingMode aWM,
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const mozilla::LogicalSize& aCBSize,
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nscoord aAvailableISize,
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const mozilla::LogicalSize& aMargin,
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const mozilla::LogicalSize& aBorderPadding,
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mozilla::ComputeSizeFlags aFlags) override;
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virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) override;
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virtual nscoord GetLogicalBaseline(
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mozilla::WritingMode aWritingMode) const override;
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override;
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#endif
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void UpdateDescendantLeadings(const mozilla::RubyBlockLeadings& aLeadings) {
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mDescendantLeadings.Update(aLeadings);
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}
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mozilla::RubyBlockLeadings GetDescendantLeadings() const {
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return mDescendantLeadings;
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}
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protected:
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friend nsContainerFrame* NS_NewRubyBaseContainerFrame(
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mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
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explicit nsRubyBaseContainerFrame(ComputedStyle* aStyle,
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nsPresContext* aPresContext)
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: nsContainerFrame(aStyle, aPresContext, kClassID) {}
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struct RubyReflowInput;
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nscoord ReflowColumns(const RubyReflowInput& aReflowInput,
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ReflowOutput& aDesiredSize, nsReflowStatus& aStatus);
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nscoord ReflowOneColumn(const RubyReflowInput& aReflowInput,
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uint32_t aColumnIndex,
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const mozilla::RubyColumn& aColumn,
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ReflowOutput& aDesiredSize, nsReflowStatus& aStatus);
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nscoord ReflowSpans(const RubyReflowInput& aReflowInput);
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struct PullFrameState;
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// Pull ruby base and corresponding ruby text frames from
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// continuations after them.
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void PullOneColumn(nsLineLayout* aLineLayout, PullFrameState& aPullFrameState,
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mozilla::RubyColumn& aColumn, bool& aIsComplete);
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nscoord mBaseline;
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// Leading produced by descendant ruby annotations.
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mozilla::RubyBlockLeadings mDescendantLeadings;
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};
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#endif /* nsRubyBaseContainerFrame_h___ */
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