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119 lines
4.5 KiB
C++
119 lines
4.5 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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#ifndef nsFieldSetFrame_h___
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#define nsFieldSetFrame_h___
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#include "mozilla/Attributes.h"
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#include "ImgDrawResult.h"
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#include "nsContainerFrame.h"
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class nsFieldSetFrame final : public nsContainerFrame {
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typedef mozilla::image::ImgDrawResult ImgDrawResult;
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsFieldSetFrame)
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NS_DECL_QUERYFRAME
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explicit nsFieldSetFrame(ComputedStyle* aStyle, nsPresContext* aPresContext);
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nscoord GetIntrinsicISize(gfxContext* aRenderingContext,
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mozilla::IntrinsicISizeType);
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virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
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virtual nscoord GetPrefISize(gfxContext* aRenderingContext) override;
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/**
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* The area to paint box-shadows around. It's the border rect except
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* when there's a <legend> we offset the y-position to the center of it.
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*/
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virtual nsRect VisualBorderRectRelativeToSelf() const 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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nscoord GetLogicalBaseline(mozilla::WritingMode aWM) const override;
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bool GetVerticalAlignBaseline(mozilla::WritingMode aWM,
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nscoord* aBaseline) const override;
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bool GetNaturalBaselineBOffset(mozilla::WritingMode aWM,
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BaselineSharingGroup aBaselineGroup,
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nscoord* aBaseline) const override;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists) override;
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ImgDrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
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gfxContext& aRenderingContext, nsPoint aPt,
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const nsRect& aDirtyRect);
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virtual void SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList) override;
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virtual void AppendFrames(ChildListID aListID,
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nsFrameList& aFrameList) override;
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virtual void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
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const nsLineList::iterator* aPrevFrameLine,
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nsFrameList& aFrameList) override;
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#ifdef DEBUG
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virtual void RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame) override;
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#endif
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virtual bool IsFrameOfType(uint32_t aFlags) const override {
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return nsContainerFrame::IsFrameOfType(
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aFlags & ~nsIFrame::eCanContainOverflowContainers);
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}
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virtual nsIScrollableFrame* GetScrollTargetFrame() const override {
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return do_QueryFrame(GetInner());
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}
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// Return the block wrapper around our kids.
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void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override;
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#ifdef ACCESSIBILITY
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virtual mozilla::a11y::AccType AccessibleType() override;
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#endif
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override {
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return MakeFrameName(u"FieldSet"_ns, aResult);
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}
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#endif
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/**
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* Return the anonymous frame that contains all descendants except the legend
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* frame. This can be a block/grid/flex/scroll frame. It always has
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* the pseudo type nsCSSAnonBoxes::fieldsetContent. If it's a scroll frame,
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* the scrolled frame can be a block/grid/flex frame.
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* This may return null, for example for a fieldset that is a true overflow
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* container.
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*/
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nsContainerFrame* GetInner() const;
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/**
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* Return the frame that represents the rendered legend if any.
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* https://html.spec.whatwg.org/multipage/rendering.html#rendered-legend
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*/
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nsIFrame* GetLegend() const;
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/** @see mLegendSpace below */
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nscoord LegendSpace() const { return mLegendSpace; }
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protected:
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/**
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* Convenience method to create a continuation for aChild after we've
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* reflowed it and got the reflow status aStatus.
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*/
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void EnsureChildContinuation(nsIFrame* aChild, const nsReflowStatus& aStatus);
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mozilla::LogicalRect mLegendRect;
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// This is how much to subtract from our inner frame's content-box block-size
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// to account for a protruding legend. It's zero if there's no legend or
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// the legend fits entirely inside our start border.
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nscoord mLegendSpace;
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};
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#endif // nsFieldSetFrame_h___
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