gecko-dev/layout/forms/nsFieldSetFrame.h

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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"
class nsFieldSetFrame final : public nsContainerFrame {
typedef mozilla::image::ImgDrawResult ImgDrawResult;
public:
NS_DECL_FRAMEARENA_HELPERS(nsFieldSetFrame)
explicit nsFieldSetFrame(ComputedStyle* aStyle);
nscoord GetIntrinsicISize(gfxContext* aRenderingContext,
nsLayoutUtils::IntrinsicISizeType);
virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
virtual 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.
*/
virtual nsRect VisualBorderRectRelativeToSelf() const override;
virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
nscoord GetLogicalBaseline(mozilla::WritingMode aWM) const override;
bool GetVerticalAlignBaseline(mozilla::WritingMode aWM,
nscoord* aBaseline) const override;
bool GetNaturalBaselineBOffset(mozilla::WritingMode aWM,
BaselineSharingGroup aBaselineGroup,
nscoord* aBaseline) const override;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsDisplayListSet& aLists) override;
ImgDrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
gfxContext& aRenderingContext, nsPoint aPt,
const nsRect& aDirtyRect);
#ifdef DEBUG
virtual void SetInitialChildList(ChildListID aListID,
nsFrameList& aChildList) override;
virtual void AppendFrames(ChildListID aListID,
nsFrameList& aFrameList) override;
virtual void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
nsFrameList& aFrameList) override;
virtual void RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame) override;
#endif
virtual bool IsFrameOfType(uint32_t aFlags) const override {
return nsContainerFrame::IsFrameOfType(
aFlags & ~nsIFrame::eCanContainOverflowContainers);
}
virtual nsIScrollableFrame* GetScrollTargetFrame() override {
return do_QueryFrame(GetInner());
}
// 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(NS_LITERAL_STRING("FieldSet"), aResult);
}
#endif
/**
* Return the anonymous frame that contains all descendants except
* the legend frame. This is currently always a block frame with
* pseudo nsCSSAnonBoxes::fieldsetContent() -- this may change in the
* future when we add support for CSS overflow for <fieldset>. This really
* can't return null, though callers seem to feel that it can.
*/
nsIFrame* GetInner() const;
/**
* Return the frame that represents the legend if any. This may be
* a nsLegendFrame or a nsHTMLScrollFrame with the nsLegendFrame as the
* scrolled frame (aka content insertion frame).
*/
nsIFrame* GetLegend() const;
protected:
mozilla::LogicalRect mLegendRect;
nscoord mLegendSpace;
};
#endif // nsFieldSetFrame_h___