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6630d62d23
Known problem: It would cause infinite loop if there is any line break happens inside ruby base or annotation, or the width of container is not enough for the widest pair/span. This might be fixed in bug 1098272.
125 lines
4.5 KiB
C++
125 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code is subject to the terms of the Mozilla Public License
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* version 2.0 (the "License"). You can obtain a copy of the License at
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* 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 "nsRubyTextContainerFrame.h"
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#include "nsRubyBaseFrame.h"
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#include "nsRubyTextFrame.h"
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#define RTC_ARRAY_SIZE 1
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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(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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class nsRubyBaseContainerFrame MOZ_FINAL : public nsContainerFrame
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS
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NS_DECL_QUERYFRAME_TARGET(nsRubyBaseContainerFrame)
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NS_DECL_QUERYFRAME
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// nsIFrame overrides
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virtual nsIAtom* GetType() const MOZ_OVERRIDE;
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virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE;
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virtual bool CanContinueTextRun() const MOZ_OVERRIDE;
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virtual void AddInlineMinISize(nsRenderingContext *aRenderingContext,
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InlineMinISizeData *aData) MOZ_OVERRIDE;
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virtual void AddInlinePrefISize(nsRenderingContext *aRenderingContext,
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InlinePrefISizeData *aData) MOZ_OVERRIDE;
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virtual mozilla::LogicalSize
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ComputeSize(nsRenderingContext *aRenderingContext,
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mozilla::WritingMode aWritingMode,
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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& aBorder,
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const mozilla::LogicalSize& aPadding,
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ComputeSizeFlags aFlags) MOZ_OVERRIDE;
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virtual void Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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virtual nscoord
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GetLogicalBaseline(mozilla::WritingMode aWritingMode) const MOZ_OVERRIDE;
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
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#endif
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#ifdef DEBUG
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void AssertTextContainersEmpty()
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{
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MOZ_ASSERT(mSpanContainers.IsEmpty());
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MOZ_ASSERT(mTextContainers.IsEmpty());
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}
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#endif
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void AppendTextContainer(nsIFrame* aFrame);
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void ClearTextContainers();
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protected:
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friend nsContainerFrame*
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NS_NewRubyBaseContainerFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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explicit nsRubyBaseContainerFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
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nscoord CalculateMaxSpanISize(nsRenderingContext* aRenderingContext);
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nscoord ReflowPairs(nsPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsTArray<nsHTMLReflowState*>& aReflowStates,
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nsReflowStatus& aStatus);
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nscoord ReflowOnePair(nsPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsTArray<nsHTMLReflowState*>& aReflowStates,
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nsIFrame* aBaseFrame,
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const nsTArray<nsIFrame*>& aTextFrames,
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nsReflowStatus& aStatus);
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nscoord ReflowSpans(nsPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsTArray<nsHTMLReflowState*>& aReflowStates,
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nsReflowStatus& aStatus);
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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 PullOnePair(nsLineLayout* aLineLayout,
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PullFrameState& aPullFrameState,
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nsIFrame*& aBaseFrame,
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nsTArray<nsIFrame*>& aTextFrames,
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bool& aIsComplete);
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/**
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* The arrays of ruby text containers below are filled before the ruby
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* frame (parent) starts reflowing this ruby segment, and cleared when
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* the reflow finishes.
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*/
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// The text containers that contain a span, which spans all ruby
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// pairs in the ruby segment.
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nsTArray<nsRubyTextContainerFrame*> mSpanContainers;
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// Normal text containers that do not contain spans.
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nsTArray<nsRubyTextContainerFrame*> mTextContainers;
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nscoord mBaseline;
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uint32_t mPairCount;
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};
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#endif /* nsRubyBaseContainerFrame_h___ */
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