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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /layout/generic/nsRubyBaseContainerFrame.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/generic/nsRubyBaseContainerFrame.h')
-rw-r--r-- | layout/generic/nsRubyBaseContainerFrame.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/layout/generic/nsRubyBaseContainerFrame.h b/layout/generic/nsRubyBaseContainerFrame.h new file mode 100644 index 000000000..7e8c449d3 --- /dev/null +++ b/layout/generic/nsRubyBaseContainerFrame.h @@ -0,0 +1,95 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code is subject to the terms of the Mozilla Public License + * version 2.0 (the "License"). You can obtain a copy of the License at + * http://mozilla.org/MPL/2.0/. */ + +/* rendering object for CSS "display: ruby-base-container" */ + +#ifndef nsRubyBaseContainerFrame_h___ +#define nsRubyBaseContainerFrame_h___ + +#include "nsContainerFrame.h" +#include "RubyUtils.h" + +/** + * Factory function. + * @return a newly allocated nsRubyBaseContainerFrame (infallible) + */ +nsContainerFrame* NS_NewRubyBaseContainerFrame(nsIPresShell* aPresShell, + nsStyleContext* aContext); + +class nsRubyBaseContainerFrame final : public nsContainerFrame +{ +public: + NS_DECL_FRAMEARENA_HELPERS + NS_DECL_QUERYFRAME_TARGET(nsRubyBaseContainerFrame) + NS_DECL_QUERYFRAME + + // nsIFrame overrides + virtual nsIAtom* GetType() const override; + virtual bool IsFrameOfType(uint32_t aFlags) const override; + virtual bool CanContinueTextRun() const override; + virtual void AddInlineMinISize(nsRenderingContext *aRenderingContext, + InlineMinISizeData *aData) override; + virtual void AddInlinePrefISize(nsRenderingContext *aRenderingContext, + InlinePrefISizeData *aData) override; + virtual mozilla::LogicalSize + ComputeSize(nsRenderingContext *aRenderingContext, + mozilla::WritingMode aWritingMode, + const mozilla::LogicalSize& aCBSize, + nscoord aAvailableISize, + const mozilla::LogicalSize& aMargin, + const mozilla::LogicalSize& aBorder, + const mozilla::LogicalSize& aPadding, + ComputeSizeFlags aFlags) override; + virtual void Reflow(nsPresContext* aPresContext, + ReflowOutput& aDesiredSize, + const ReflowInput& aReflowInput, + nsReflowStatus& aStatus) override; + + virtual nscoord + GetLogicalBaseline(mozilla::WritingMode aWritingMode) const override; + +#ifdef DEBUG_FRAME_DUMP + virtual nsresult GetFrameName(nsAString& aResult) const override; +#endif + + void UpdateDescendantLeadings(const mozilla::RubyBlockLeadings& aLeadings) { + mDescendantLeadings.Update(aLeadings); + } + mozilla::RubyBlockLeadings GetDescendantLeadings() const { + return mDescendantLeadings; + } + +protected: + friend nsContainerFrame* + NS_NewRubyBaseContainerFrame(nsIPresShell* aPresShell, + nsStyleContext* aContext); + explicit nsRubyBaseContainerFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {} + + struct RubyReflowInput; + nscoord ReflowColumns(const RubyReflowInput& aReflowInput, + nsReflowStatus& aStatus); + nscoord ReflowOneColumn(const RubyReflowInput& aReflowInput, + uint32_t aColumnIndex, + const mozilla::RubyColumn& aColumn, + 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___ */ |