зеркало из https://github.com/mozilla/gecko-dev.git
68 строки
2.5 KiB
C++
68 строки
2.5 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" */
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#ifndef nsRubyFrame_h___
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#define nsRubyFrame_h___
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#include "nsInlineFrame.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 nsRubyFrame (infallible)
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*/
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nsContainerFrame* NS_NewRubyFrame(mozilla::PresShell* aPresShell,
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mozilla::ComputedStyle* aStyle);
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class nsRubyFrame final : public nsInlineFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsRubyFrame)
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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 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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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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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override;
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#endif
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mozilla::RubyBlockLeadings GetBlockLeadings() const { return mLeadings; }
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protected:
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friend nsContainerFrame* NS_NewRubyFrame(mozilla::PresShell* aPresShell,
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ComputedStyle* aStyle);
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explicit nsRubyFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
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: nsInlineFrame(aStyle, aPresContext, kClassID) {}
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void ReflowSegment(nsPresContext* aPresContext,
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const ReflowInput& aReflowInput, nscoord aBlockStartAscent,
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nscoord aBlockSize,
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nsRubyBaseContainerFrame* aBaseContainer,
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nsReflowStatus& aStatus);
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nsRubyBaseContainerFrame* PullOneSegment(const nsLineLayout* aLineLayout,
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ContinuationTraversingState& aState);
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// The leadings required to put the annotations. They are dummy-
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// initialized to 0, and get meaningful values at first reflow.
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mozilla::RubyBlockLeadings mLeadings;
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};
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#endif /* nsRubyFrame_h___ */
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