mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
712 lines
25 KiB
C++
712 lines
25 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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#include "nsCSSAnonBoxes.h"
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#include "nsContainerFrame.h"
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#include "nsLegendFrame.h"
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#include "nsCSSRendering.h"
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#include <algorithm>
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#include "nsIFrame.h"
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#include "nsPresContext.h"
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#include "RestyleManager.h"
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#include "nsGkAtoms.h"
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#include "nsStyleConsts.h"
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#include "nsDisplayList.h"
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#include "nsRenderingContext.h"
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#include "nsIScrollableFrame.h"
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#include "mozilla/Likely.h"
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using namespace mozilla;
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using namespace mozilla::layout;
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class nsFieldSetFrame MOZ_FINAL : public nsContainerFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS
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nsFieldSetFrame(nsStyleContext* aContext);
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NS_HIDDEN_(nscoord)
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GetIntrinsicWidth(nsRenderingContext* aRenderingContext,
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nsLayoutUtils::IntrinsicWidthType);
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virtual nscoord GetMinWidth(nsRenderingContext* aRenderingContext);
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virtual nscoord GetPrefWidth(nsRenderingContext* aRenderingContext);
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virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder, nsSize aPadding,
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uint32_t aFlags) MOZ_OVERRIDE;
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virtual nscoord GetBaseline() const;
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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 MOZ_OVERRIDE {
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nscoord topBorder = StyleBorder()->GetComputedBorderWidth(NS_SIDE_TOP);
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nsRect r(nsPoint(0,0), GetSize());
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if (topBorder < mLegendRect.height) {
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nscoord yoff = (mLegendRect.height - topBorder) / 2;
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r.y += yoff;
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r.height -= yoff;
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}
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return r;
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}
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE;
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void PaintBorderBackground(nsRenderingContext& aRenderingContext,
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nsPoint aPt, const nsRect& aDirtyRect, uint32_t aBGFlags);
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NS_IMETHOD AppendFrames(ChildListID aListID,
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nsFrameList& aFrameList);
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NS_IMETHOD InsertFrames(ChildListID aListID,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList);
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NS_IMETHOD RemoveFrame(ChildListID aListID,
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nsIFrame* aOldFrame);
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virtual nsIAtom* GetType() const;
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virtual bool IsFrameOfType(uint32_t aFlags) const
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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() MOZ_OVERRIDE
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{
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return do_QueryFrame(GetInner());
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}
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#ifdef ACCESSIBILITY
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virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
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#endif
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#ifdef DEBUG
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NS_IMETHOD SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList);
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NS_IMETHOD GetFrameName(nsAString& aResult) const {
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return MakeFrameName(NS_LITERAL_STRING("FieldSet"), aResult);
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}
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#endif
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protected:
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void ReparentFrameList(const nsFrameList& aFrameList);
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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>.
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*/
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nsIFrame* GetInner() const
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{
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nsIFrame* last = mFrames.LastChild();
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if (last &&
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last->StyleContext()->GetPseudo() == nsCSSAnonBoxes::fieldsetContent) {
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return last;
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}
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MOZ_ASSERT(mFrames.LastChild() == mFrames.FirstChild());
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return nullptr;
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}
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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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{
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if (mFrames.FirstChild() == GetInner()) {
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MOZ_ASSERT(mFrames.LastChild() == mFrames.FirstChild());
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return nullptr;
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}
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MOZ_ASSERT(mFrames.FirstChild() &&
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mFrames.FirstChild()->GetContentInsertionFrame()->GetType() ==
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nsGkAtoms::legendFrame);
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return mFrames.FirstChild();
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}
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nsRect mLegendRect;
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nscoord mLegendSpace;
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};
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nsIFrame*
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NS_NewFieldSetFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
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{
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return new (aPresShell) nsFieldSetFrame(aContext);
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsFieldSetFrame)
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nsFieldSetFrame::nsFieldSetFrame(nsStyleContext* aContext)
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: nsContainerFrame(aContext)
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{
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mLegendSpace = 0;
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}
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nsIAtom*
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nsFieldSetFrame::GetType() const
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{
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return nsGkAtoms::fieldSetFrame;
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}
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#ifdef DEBUG
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NS_IMETHODIMP
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nsFieldSetFrame::SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList)
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{
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nsresult rv = nsContainerFrame::SetInitialChildList(kPrincipalList, aChildList);
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MOZ_ASSERT(GetInner());
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return rv;
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}
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#endif
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class nsDisplayFieldSetBorderBackground : public nsDisplayItem {
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public:
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nsDisplayFieldSetBorderBackground(nsDisplayListBuilder* aBuilder,
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nsFieldSetFrame* aFrame)
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: nsDisplayItem(aBuilder, aFrame) {
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MOZ_COUNT_CTOR(nsDisplayFieldSetBorderBackground);
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}
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#ifdef NS_BUILD_REFCNT_LOGGING
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virtual ~nsDisplayFieldSetBorderBackground() {
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MOZ_COUNT_DTOR(nsDisplayFieldSetBorderBackground);
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}
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#endif
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virtual void HitTest(nsDisplayListBuilder* aBuilder, const nsRect& aRect,
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HitTestState* aState, nsTArray<nsIFrame*> *aOutFrames);
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virtual void Paint(nsDisplayListBuilder* aBuilder,
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nsRenderingContext* aCtx);
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virtual void ComputeInvalidationRegion(nsDisplayListBuilder* aBuilder,
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const nsDisplayItemGeometry* aGeometry,
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nsRegion *aInvalidRegion) MOZ_OVERRIDE;
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NS_DISPLAY_DECL_NAME("FieldSetBorderBackground", TYPE_FIELDSET_BORDER_BACKGROUND)
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};
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void nsDisplayFieldSetBorderBackground::HitTest(nsDisplayListBuilder* aBuilder, const nsRect& aRect,
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HitTestState* aState, nsTArray<nsIFrame*> *aOutFrames)
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{
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// aPt is guaranteed to be in this item's bounds. We do the hit test based on the
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// frame bounds even though our background doesn't cover the whole frame.
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// It's not clear whether this is correct.
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aOutFrames->AppendElement(mFrame);
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}
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void
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nsDisplayFieldSetBorderBackground::Paint(nsDisplayListBuilder* aBuilder,
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nsRenderingContext* aCtx)
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{
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static_cast<nsFieldSetFrame*>(mFrame)->
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PaintBorderBackground(*aCtx, ToReferenceFrame(),
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mVisibleRect, aBuilder->GetBackgroundPaintFlags());
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}
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void
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nsDisplayFieldSetBorderBackground::ComputeInvalidationRegion(nsDisplayListBuilder* aBuilder,
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const nsDisplayItemGeometry* aGeometry,
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nsRegion *aInvalidRegion)
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{
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AddInvalidRegionForSyncDecodeBackgroundImages(aBuilder, aGeometry, aInvalidRegion);
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nsDisplayItem::ComputeInvalidationRegion(aBuilder, aGeometry, aInvalidRegion);
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}
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void
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nsFieldSetFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) {
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// Paint our background and border in a special way.
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// REVIEW: We don't really need to check frame emptiness here; if it's empty,
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// the background/border display item won't do anything, and if it isn't empty,
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// we need to paint the outline
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if (!(GetStateBits() & NS_FRAME_IS_OVERFLOW_CONTAINER) &&
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IsVisibleForPainting(aBuilder)) {
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if (StyleBorder()->mBoxShadow) {
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aLists.BorderBackground()->AppendNewToTop(new (aBuilder)
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nsDisplayBoxShadowOuter(aBuilder, this));
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}
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// don't bother checking to see if we really have a border or background.
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// we usually will have a border.
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aLists.BorderBackground()->AppendNewToTop(new (aBuilder)
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nsDisplayFieldSetBorderBackground(aBuilder, this));
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DisplayOutlineUnconditional(aBuilder, aLists);
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DO_GLOBAL_REFLOW_COUNT_DSP("nsFieldSetFrame");
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}
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if (GetPrevInFlow()) {
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DisplayOverflowContainers(aBuilder, aDirtyRect, aLists);
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}
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nsDisplayListCollection contentDisplayItems;
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if (nsIFrame* inner = GetInner()) {
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// Collect the inner frame's display items into their own collection.
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// We need to be calling BuildDisplayList on it before the legend in
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// case it contains out-of-flow frames whose placeholders are in the
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// legend. However, we want the inner frame's display items to be
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// after the legend's display items in z-order, so we need to save them
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// and append them later.
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BuildDisplayListForChild(aBuilder, inner, aDirtyRect, contentDisplayItems);
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}
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if (nsIFrame* legend = GetLegend()) {
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// The legend's background goes on our BlockBorderBackgrounds list because
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// it's a block child.
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nsDisplayListSet set(aLists, aLists.BlockBorderBackgrounds());
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BuildDisplayListForChild(aBuilder, legend, aDirtyRect, set);
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}
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// Put the inner frame's display items on the master list. Note that this
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// moves its border/background display items to our BorderBackground() list,
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// which isn't really correct, but it's OK because the inner frame is
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// anonymous and can't have its own border and background.
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contentDisplayItems.MoveTo(aLists);
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}
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void
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nsFieldSetFrame::PaintBorderBackground(nsRenderingContext& aRenderingContext,
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nsPoint aPt, const nsRect& aDirtyRect, uint32_t aBGFlags)
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{
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// if the border is smaller than the legend. Move the border down
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// to be centered on the legend.
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// FIXME: This means border-radius clamping is incorrect; we should
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// override nsIFrame::GetBorderRadii.
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nsRect rect = VisualBorderRectRelativeToSelf();
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nscoord yoff = rect.y;
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rect += aPt;
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nsPresContext* presContext = PresContext();
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nsCSSRendering::PaintBackground(presContext, aRenderingContext, this,
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aDirtyRect, rect, aBGFlags);
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nsCSSRendering::PaintBoxShadowInner(presContext, aRenderingContext,
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this, rect, aDirtyRect);
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if (nsIFrame* legend = GetLegend()) {
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nscoord topBorder = StyleBorder()->GetComputedBorderWidth(NS_SIDE_TOP);
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// Use the rect of the legend frame, not mLegendRect, so we draw our
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// border under the legend's left and right margins.
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nsRect legendRect = legend->GetRect() + aPt;
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// we should probably use PaintBorderEdges to do this but for now just use clipping
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// to achieve the same effect.
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// draw left side
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nsRect clipRect(rect);
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clipRect.width = legendRect.x - rect.x;
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clipRect.height = topBorder;
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aRenderingContext.PushState();
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aRenderingContext.IntersectClip(clipRect);
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nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
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aDirtyRect, rect, mStyleContext);
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aRenderingContext.PopState();
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// draw right side
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clipRect = rect;
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clipRect.x = legendRect.XMost();
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clipRect.width = rect.XMost() - legendRect.XMost();
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clipRect.height = topBorder;
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aRenderingContext.PushState();
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aRenderingContext.IntersectClip(clipRect);
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nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
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aDirtyRect, rect, mStyleContext);
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aRenderingContext.PopState();
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// draw bottom
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clipRect = rect;
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clipRect.y += topBorder;
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clipRect.height = mRect.height - (yoff + topBorder);
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aRenderingContext.PushState();
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aRenderingContext.IntersectClip(clipRect);
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nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
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aDirtyRect, rect, mStyleContext);
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aRenderingContext.PopState();
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} else {
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nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
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aDirtyRect,
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nsRect(aPt, mRect.Size()),
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mStyleContext);
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}
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}
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nscoord
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nsFieldSetFrame::GetIntrinsicWidth(nsRenderingContext* aRenderingContext,
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nsLayoutUtils::IntrinsicWidthType aType)
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{
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nscoord legendWidth = 0;
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nscoord contentWidth = 0;
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if (nsIFrame* legend = GetLegend()) {
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legendWidth =
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nsLayoutUtils::IntrinsicForContainer(aRenderingContext, legend, aType);
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}
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if (nsIFrame* inner = GetInner()) {
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// Ignore padding on the inner, since the padding will be applied to the
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// outer instead, and the padding computed for the inner is wrong
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// for percentage padding.
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contentWidth =
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nsLayoutUtils::IntrinsicForContainer(aRenderingContext, inner, aType,
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nsLayoutUtils::IGNORE_PADDING);
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}
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return std::max(legendWidth, contentWidth);
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}
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nscoord
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nsFieldSetFrame::GetMinWidth(nsRenderingContext* aRenderingContext)
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{
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nscoord result = 0;
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DISPLAY_MIN_WIDTH(this, result);
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result = GetIntrinsicWidth(aRenderingContext, nsLayoutUtils::MIN_WIDTH);
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return result;
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}
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nscoord
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nsFieldSetFrame::GetPrefWidth(nsRenderingContext* aRenderingContext)
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{
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nscoord result = 0;
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DISPLAY_PREF_WIDTH(this, result);
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result = GetIntrinsicWidth(aRenderingContext, nsLayoutUtils::PREF_WIDTH);
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return result;
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}
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/* virtual */ nsSize
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nsFieldSetFrame::ComputeSize(nsRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder, nsSize aPadding,
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uint32_t aFlags)
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{
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nsSize result =
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nsContainerFrame::ComputeSize(aRenderingContext, aCBSize, aAvailableWidth,
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aMargin, aBorder, aPadding, aFlags);
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// Fieldsets never shrink below their min width.
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// If we're a container for font size inflation, then shrink
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// wrapping inside of us should not apply font size inflation.
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AutoMaybeDisableFontInflation an(this);
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nscoord minWidth = GetMinWidth(aRenderingContext);
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if (minWidth > result.width)
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result.width = minWidth;
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return result;
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}
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NS_IMETHODIMP
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nsFieldSetFrame::Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus)
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{
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DO_GLOBAL_REFLOW_COUNT("nsFieldSetFrame");
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DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
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NS_PRECONDITION(aReflowState.ComputedWidth() != NS_INTRINSICSIZE,
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"Should have a precomputed width!");
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// Initialize OUT parameter
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aStatus = NS_FRAME_COMPLETE;
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nsOverflowAreas ocBounds;
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nsReflowStatus ocStatus = NS_FRAME_COMPLETE;
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if (GetPrevInFlow()) {
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ReflowOverflowContainerChildren(aPresContext, aReflowState, ocBounds, 0,
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ocStatus);
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}
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//------------ Handle Incremental Reflow -----------------
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bool reflowInner;
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bool reflowLegend;
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nsIFrame* legend = GetLegend();
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nsIFrame* inner = GetInner();
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if (aReflowState.ShouldReflowAllKids()) {
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reflowInner = inner != nullptr;
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reflowLegend = legend != nullptr;
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} else {
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reflowInner = inner && NS_SUBTREE_DIRTY(inner);
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reflowLegend = legend && NS_SUBTREE_DIRTY(legend);
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}
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// We don't allow fieldsets to break vertically. If we did, we'd
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// need logic here to push and pull overflow frames.
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// Since we're not applying our padding in this frame, we need to add it here
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// to compute the available width for our children.
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nsSize availSize(aReflowState.ComputedWidth() + aReflowState.mComputedPadding.LeftRight(),
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NS_UNCONSTRAINEDSIZE);
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NS_ASSERTION(!inner ||
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nsLayoutUtils::IntrinsicForContainer(aReflowState.rendContext,
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inner,
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nsLayoutUtils::MIN_WIDTH) <=
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availSize.width,
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"Bogus availSize.width; should be bigger");
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NS_ASSERTION(!legend ||
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nsLayoutUtils::IntrinsicForContainer(aReflowState.rendContext,
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legend,
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nsLayoutUtils::MIN_WIDTH) <=
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availSize.width,
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"Bogus availSize.width; should be bigger");
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// get our border and padding
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nsMargin border = aReflowState.mComputedBorderPadding - aReflowState.mComputedPadding;
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// Figure out how big the legend is if there is one.
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// get the legend's margin
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nsMargin legendMargin(0,0,0,0);
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// reflow the legend only if needed
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if (reflowLegend) {
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nsHTMLReflowState legendReflowState(aPresContext, aReflowState,
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legend, availSize);
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nsHTMLReflowMetrics legendDesiredSize;
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ReflowChild(legend, aPresContext, legendDesiredSize, legendReflowState,
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0, 0, NS_FRAME_NO_MOVE_FRAME, aStatus);
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#ifdef NOISY_REFLOW
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printf(" returned (%d, %d)\n", legendDesiredSize.width, legendDesiredSize.height);
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#endif
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// figure out the legend's rectangle
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legendMargin = legend->GetUsedMargin();
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mLegendRect.width = legendDesiredSize.width + legendMargin.left + legendMargin.right;
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mLegendRect.height = legendDesiredSize.height + legendMargin.top + legendMargin.bottom;
|
|
mLegendRect.x = 0;
|
|
mLegendRect.y = 0;
|
|
|
|
nscoord oldSpace = mLegendSpace;
|
|
mLegendSpace = 0;
|
|
if (mLegendRect.height > border.top) {
|
|
// center the border on the legend
|
|
mLegendSpace = mLegendRect.height - border.top;
|
|
} else {
|
|
mLegendRect.y = (border.top - mLegendRect.height)/2;
|
|
}
|
|
|
|
// if the legend space changes then we need to reflow the
|
|
// content area as well.
|
|
if (mLegendSpace != oldSpace && inner) {
|
|
reflowInner = true;
|
|
}
|
|
|
|
FinishReflowChild(legend, aPresContext, &legendReflowState,
|
|
legendDesiredSize, 0, 0, NS_FRAME_NO_MOVE_FRAME);
|
|
} else if (!legend) {
|
|
mLegendRect.SetEmpty();
|
|
mLegendSpace = 0;
|
|
} else {
|
|
// mLegendSpace and mLegendRect haven't changed, but we need
|
|
// the used margin when placing the legend.
|
|
legendMargin = legend->GetUsedMargin();
|
|
}
|
|
|
|
// reflow the content frame only if needed
|
|
if (reflowInner) {
|
|
nsHTMLReflowState kidReflowState(aPresContext, aReflowState, inner,
|
|
availSize, -1, -1, nsHTMLReflowState::CALLER_WILL_INIT);
|
|
// Override computed padding, in case it's percentage padding
|
|
kidReflowState.Init(aPresContext, -1, -1, nullptr,
|
|
&aReflowState.mComputedPadding);
|
|
// Our child is "height:100%" but we actually want its height to be reduced
|
|
// by the amount of content-height the legend is eating up, unless our
|
|
// height is unconstrained (in which case the child's will be too).
|
|
if (aReflowState.ComputedHeight() != NS_UNCONSTRAINEDSIZE) {
|
|
kidReflowState.SetComputedHeight(
|
|
std::max(0, aReflowState.ComputedHeight() - mLegendSpace));
|
|
}
|
|
|
|
if (aReflowState.mComputedMinHeight > 0) {
|
|
kidReflowState.mComputedMinHeight =
|
|
std::max(0, aReflowState.mComputedMinHeight - mLegendSpace);
|
|
}
|
|
|
|
if (aReflowState.mComputedMaxHeight != NS_UNCONSTRAINEDSIZE) {
|
|
kidReflowState.mComputedMaxHeight =
|
|
std::max(0, aReflowState.mComputedMaxHeight - mLegendSpace);
|
|
}
|
|
|
|
nsHTMLReflowMetrics kidDesiredSize(aDesiredSize.mFlags);
|
|
// Reflow the frame
|
|
NS_ASSERTION(kidReflowState.mComputedMargin == nsMargin(0,0,0,0),
|
|
"Margins on anonymous fieldset child not supported!");
|
|
nsPoint pt(border.left, border.top + mLegendSpace);
|
|
ReflowChild(inner, aPresContext, kidDesiredSize, kidReflowState,
|
|
pt.x, pt.y, 0, aStatus);
|
|
|
|
FinishReflowChild(inner, aPresContext, &kidReflowState,
|
|
kidDesiredSize, pt.x, pt.y, 0);
|
|
NS_FRAME_TRACE_REFLOW_OUT("FieldSet::Reflow", aStatus);
|
|
}
|
|
|
|
nsRect contentRect;
|
|
if (inner) {
|
|
// We don't support margins on inner, so our content rect is just the
|
|
// inner's border-box.
|
|
contentRect = inner->GetRect();
|
|
}
|
|
|
|
// Our content rect must fill up the available width
|
|
if (availSize.width > contentRect.width) {
|
|
contentRect.width = availSize.width;
|
|
}
|
|
|
|
if (legend) {
|
|
// the legend is postioned horizontally within the inner's content rect
|
|
// (so that padding on the fieldset affects the legend position).
|
|
nsRect innerContentRect = contentRect;
|
|
innerContentRect.Deflate(aReflowState.mComputedPadding);
|
|
// if the inner content rect is larger than the legend, we can align the legend
|
|
if (innerContentRect.width > mLegendRect.width) {
|
|
int32_t align = static_cast<nsLegendFrame*>
|
|
(legend->GetContentInsertionFrame())->GetAlign();
|
|
|
|
switch (align) {
|
|
case NS_STYLE_TEXT_ALIGN_RIGHT:
|
|
mLegendRect.x = innerContentRect.XMost() - mLegendRect.width;
|
|
break;
|
|
case NS_STYLE_TEXT_ALIGN_CENTER:
|
|
// Note: rounding removed; there doesn't seem to be any need
|
|
mLegendRect.x = innerContentRect.width / 2 - mLegendRect.width / 2 + innerContentRect.x;
|
|
break;
|
|
default:
|
|
mLegendRect.x = innerContentRect.x;
|
|
break;
|
|
}
|
|
} else {
|
|
// otherwise make place for the legend
|
|
mLegendRect.x = innerContentRect.x;
|
|
innerContentRect.width = mLegendRect.width;
|
|
contentRect.width = mLegendRect.width + aReflowState.mComputedPadding.LeftRight();
|
|
}
|
|
// place the legend
|
|
nsRect actualLegendRect(mLegendRect);
|
|
actualLegendRect.Deflate(legendMargin);
|
|
|
|
nsPoint curOrigin = legend->GetPosition();
|
|
|
|
// only if the origin changed
|
|
if ((curOrigin.x != actualLegendRect.x) || (curOrigin.y != actualLegendRect.y)) {
|
|
legend->SetPosition(nsPoint(actualLegendRect.x , actualLegendRect.y));
|
|
nsContainerFrame::PositionFrameView(legend);
|
|
|
|
// We need to recursively process the legend frame's
|
|
// children since we're moving the frame after Reflow.
|
|
nsContainerFrame::PositionChildViews(legend);
|
|
}
|
|
}
|
|
|
|
// Return our size and our result
|
|
if (aReflowState.ComputedHeight() == NS_INTRINSICSIZE) {
|
|
aDesiredSize.height = mLegendSpace +
|
|
border.TopBottom() +
|
|
(inner ? inner->GetRect().height : 0);
|
|
} else {
|
|
nscoord min = border.TopBottom() + mLegendRect.height;
|
|
aDesiredSize.height =
|
|
aReflowState.ComputedHeight() + aReflowState.mComputedBorderPadding.TopBottom();
|
|
if (aDesiredSize.height < min)
|
|
aDesiredSize.height = min;
|
|
}
|
|
aDesiredSize.width = contentRect.width + border.LeftRight();
|
|
aDesiredSize.SetOverflowAreasToDesiredBounds();
|
|
if (legend)
|
|
ConsiderChildOverflow(aDesiredSize.mOverflowAreas, legend);
|
|
if (inner)
|
|
ConsiderChildOverflow(aDesiredSize.mOverflowAreas, inner);
|
|
|
|
// Merge overflow container bounds and status.
|
|
aDesiredSize.mOverflowAreas.UnionWith(ocBounds);
|
|
NS_MergeReflowStatusInto(&aStatus, ocStatus);
|
|
|
|
FinishReflowWithAbsoluteFrames(aPresContext, aDesiredSize, aReflowState, aStatus);
|
|
|
|
InvalidateFrame();
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::AppendFrames(ChildListID aListID,
|
|
nsFrameList& aFrameList)
|
|
{
|
|
// aFrameList is not allowed to contain "the legend" for this fieldset
|
|
ReparentFrameList(aFrameList);
|
|
return GetInner()->AppendFrames(aListID, aFrameList);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::InsertFrames(ChildListID aListID,
|
|
nsIFrame* aPrevFrame,
|
|
nsFrameList& aFrameList)
|
|
{
|
|
NS_ASSERTION(!aPrevFrame || aPrevFrame->GetParent() == this ||
|
|
aPrevFrame->GetParent() == GetInner(),
|
|
"inserting after sibling frame with different parent");
|
|
|
|
// aFrameList is not allowed to contain "the legend" for this fieldset
|
|
ReparentFrameList(aFrameList);
|
|
if (MOZ_UNLIKELY(aPrevFrame == GetLegend())) {
|
|
aPrevFrame = nullptr;
|
|
}
|
|
return GetInner()->InsertFrames(aListID, aPrevFrame, aFrameList);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::RemoveFrame(ChildListID aListID,
|
|
nsIFrame* aOldFrame)
|
|
{
|
|
// For reference, see bug 70648, bug 276104 and bug 236071.
|
|
NS_ASSERTION(aOldFrame != GetLegend(), "Cannot remove legend here");
|
|
return GetInner()->RemoveFrame(aListID, aOldFrame);
|
|
}
|
|
|
|
#ifdef ACCESSIBILITY
|
|
a11y::AccType
|
|
nsFieldSetFrame::AccessibleType()
|
|
{
|
|
return a11y::eHTMLGroupboxType;
|
|
}
|
|
#endif
|
|
|
|
void
|
|
nsFieldSetFrame::ReparentFrameList(const nsFrameList& aFrameList)
|
|
{
|
|
RestyleManager* restyleManager = PresContext()->RestyleManager();
|
|
nsIFrame* inner = GetInner();
|
|
for (nsFrameList::Enumerator e(aFrameList); !e.AtEnd(); e.Next()) {
|
|
NS_ASSERTION(GetLegend() || e.get()->GetType() != nsGkAtoms::legendFrame,
|
|
"The fieldset's legend is not allowed in this list");
|
|
e.get()->SetParent(inner);
|
|
restyleManager->ReparentStyleContext(e.get());
|
|
}
|
|
}
|
|
|
|
nscoord
|
|
nsFieldSetFrame::GetBaseline() const
|
|
{
|
|
nsIFrame* inner = GetInner();
|
|
return inner->GetPosition().y + inner->GetBaseline();
|
|
}
|