зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.9 KiB
C++
110 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "DrawResult.h"
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#include "nsContainerFrame.h"
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class nsFieldSetFrame final : public nsContainerFrame
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{
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typedef mozilla::image::DrawResult DrawResult;
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsFieldSetFrame)
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explicit nsFieldSetFrame(nsStyleContext* aContext);
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nscoord
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GetIntrinsicISize(gfxContext* aRenderingContext,
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nsLayoutUtils::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,
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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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DrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
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gfxContext& aRenderingContext,
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nsPoint aPt, const nsRect& aDirtyRect);
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#ifdef DEBUG
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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,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList) override;
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virtual void RemoveFrame(ChildListID aListID,
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nsIFrame* aOldFrame) override;
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#endif
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virtual bool IsFrameOfType(uint32_t aFlags) const override
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{
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return nsContainerFrame::IsFrameOfType(aFlags &
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~nsIFrame::eCanContainOverflowContainers);
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}
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virtual nsIScrollableFrame* GetScrollTargetFrame() override
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{
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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(NS_LITERAL_STRING("FieldSet"), 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
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* the legend frame. This is currently always a block frame with
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* pseudo nsCSSAnonBoxes::fieldsetContent -- this may change in the
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* future when we add support for CSS overflow for <fieldset>. This really
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* can't return null, though callers seem to feel that it can.
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*/
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nsIFrame* GetInner() const;
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/**
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* Return the frame that represents the legend if any. This may be
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* a nsLegendFrame or a nsHTMLScrollFrame with the nsLegendFrame as the
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* scrolled frame (aka content insertion frame).
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*/
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nsIFrame* GetLegend() const;
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protected:
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mozilla::LogicalRect mLegendRect;
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nscoord mLegendSpace;
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};
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#endif // nsFieldSetFrame_h___
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