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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsFieldSetFrame_h___
#define nsFieldSetFrame_h___
#include "mozilla/Attributes.h"
#include "ImgDrawResult.h"
#include "nsContainerFrame.h"
#include "nsIScrollableFrame.h"
class nsFieldSetFrame final : public nsContainerFrame {
typedef mozilla::image::ImgDrawResult ImgDrawResult;
public:
NS_DECL_FRAMEARENA_HELPERS(nsFieldSetFrame)
NS_DECL_QUERYFRAME
explicit nsFieldSetFrame(ComputedStyle* aStyle, nsPresContext* aPresContext);
nscoord GetIntrinsicISize(gfxContext* aRenderingContext,
mozilla::IntrinsicISizeType);
nscoord GetMinISize(gfxContext* aRenderingContext) override;
nscoord GetPrefISize(gfxContext* aRenderingContext) override;
/**
* The area to paint box-shadows around. It's the border rect except
* when there's a <legend> we offset the y-position to the center of it.
*/
nsRect VisualBorderRectRelativeToSelf() const override;
void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
nscoord SynthesizeFallbackBaseline(
mozilla::WritingMode aWM,
BaselineSharingGroup aBaselineGroup) const override;
BaselineSharingGroup GetDefaultBaselineSharingGroup() const override;
Maybe<nscoord> GetNaturalBaselineBOffset(
mozilla::WritingMode aWM, BaselineSharingGroup aBaselineGroup,
BaselineExportContext aExportContext) const override;
void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsDisplayListSet& aLists) override;
ImgDrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
gfxContext& aRenderingContext, nsPoint aPt,
const nsRect& aDirtyRect);
void SetInitialChildList(ChildListID aListID,
nsFrameList&& aChildList) override;
void AppendFrames(ChildListID aListID, nsFrameList&& aFrameList) override;
void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
const nsLineList::iterator* aPrevFrameLine,
nsFrameList&& aFrameList) override;
#ifdef DEBUG
void RemoveFrame(DestroyContext&, ChildListID aListID,
nsIFrame* aOldFrame) override;
#endif
bool IsFrameOfType(uint32_t aFlags) const override {
return nsContainerFrame::IsFrameOfType(
aFlags & ~nsIFrame::eCanContainOverflowContainers);
}
nsIScrollableFrame* GetScrollTargetFrame() const override;
// Return the block wrapper around our kids.
void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override;
#ifdef ACCESSIBILITY
virtual mozilla::a11y::AccType AccessibleType() override;
#endif
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(u"FieldSet"_ns, aResult);
}
#endif
/**
* Return the anonymous frame that contains all descendants except the legend
* frame. This can be a block/grid/flex/scroll frame. It always has
* the pseudo type nsCSSAnonBoxes::fieldsetContent. If it's a scroll frame,
* the scrolled frame can be a block/grid/flex frame.
* This may return null, for example for a fieldset that is a true overflow
* container.
*/
nsContainerFrame* GetInner() const;
/**
* Return the frame that represents the rendered legend if any.
* https://html.spec.whatwg.org/multipage/rendering.html#rendered-legend
*/
nsIFrame* GetLegend() const;
/** @see mLegendSpace below */
nscoord LegendSpace() const { return mLegendSpace; }
protected:
/**
* Convenience method to create a continuation for aChild after we've
* reflowed it and got the reflow status aStatus.
*/
void EnsureChildContinuation(nsIFrame* aChild, const nsReflowStatus& aStatus);
mozilla::LogicalRect mLegendRect;
// This is how much to subtract from our inner frame's content-box block-size
// to account for a protruding legend. It's zero if there's no legend or
// the legend fits entirely inside our start border.
nscoord mLegendSpace;
};
#endif // nsFieldSetFrame_h___
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