742 lines
28 KiB
C++
742 lines
28 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 "nsFieldSetFrame.h"
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#include <algorithm>
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#include "mozilla/gfx/2D.h"
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#include "mozilla/Likely.h"
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#include "mozilla/Maybe.h"
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#include "nsCSSAnonBoxes.h"
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#include "nsCSSRendering.h"
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#include "nsDisplayList.h"
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#include "nsGkAtoms.h"
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#include "nsIFrameInlines.h"
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#include "nsLayoutUtils.h"
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#include "nsLegendFrame.h"
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#include "nsRenderingContext.h"
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#include "nsStyleConsts.h"
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using namespace mozilla;
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using namespace mozilla::gfx;
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using namespace mozilla::layout;
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nsContainerFrame*
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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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, mLegendRect(GetWritingMode())
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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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nsRect
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nsFieldSetFrame::VisualBorderRectRelativeToSelf() const
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{
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WritingMode wm = GetWritingMode();
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css::Side legendSide = wm.PhysicalSide(eLogicalSideBStart);
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nscoord legendBorder = StyleBorder()->GetComputedBorderWidth(legendSide);
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LogicalRect r(wm, LogicalPoint(wm, 0, 0), GetLogicalSize(wm));
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nsSize containerSize = r.Size(wm).GetPhysicalSize(wm);
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if (legendBorder < mLegendRect.BSize(wm)) {
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nscoord off = (mLegendRect.BSize(wm) - legendBorder) / 2;
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r.BStart(wm) += off;
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r.BSize(wm) -= off;
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}
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return r.GetPhysicalRect(wm, containerSize);
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}
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nsIFrame*
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nsFieldSetFrame::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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nsIFrame*
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nsFieldSetFrame::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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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,
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nsTArray<nsIFrame*> *aOutFrames) override;
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virtual void Paint(nsDisplayListBuilder* aBuilder,
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nsRenderingContext* aCtx) override;
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virtual nsDisplayItemGeometry* AllocateGeometry(nsDisplayListBuilder* aBuilder) override;
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virtual void ComputeInvalidationRegion(nsDisplayListBuilder* aBuilder,
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const nsDisplayItemGeometry* aGeometry,
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nsRegion *aInvalidRegion) 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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image::DrawResult result = static_cast<nsFieldSetFrame*>(mFrame)->
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PaintBorder(aBuilder, *aCtx, ToReferenceFrame(), mVisibleRect);
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nsDisplayItemGenericImageGeometry::UpdateDrawResult(this, result);
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}
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nsDisplayItemGeometry*
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nsDisplayFieldSetBorderBackground::AllocateGeometry(nsDisplayListBuilder* aBuilder)
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{
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return new nsDisplayItemGenericImageGeometry(this, aBuilder);
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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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auto geometry =
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static_cast<const nsDisplayItemGenericImageGeometry*>(aGeometry);
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if (aBuilder->ShouldSyncDecodeImages() &&
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geometry->ShouldInvalidateToSyncDecodeImages()) {
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bool snap;
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aInvalidRegion->Or(*aInvalidRegion, GetBounds(aBuilder, &snap));
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}
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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 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 (StyleEffects()->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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const nsRect rect =
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VisualBorderRectRelativeToSelf() + aBuilder->ToReferenceFrame(this);
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nsDisplayBackgroundImage::AppendBackgroundItemsToTop(
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aBuilder, this, rect, aLists.BorderBackground(),
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/* aAllowWillPaintBorderOptimization = */ false);
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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, aLists);
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}
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nsDisplayListCollection contentDisplayItems(aBuilder);
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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, 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, 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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image::DrawResult
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nsFieldSetFrame::PaintBorder(
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nsDisplayListBuilder* aBuilder,
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nsRenderingContext& aRenderingContext,
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nsPoint aPt,
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const nsRect& aDirtyRect)
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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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WritingMode wm = GetWritingMode();
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nsRect rect = VisualBorderRectRelativeToSelf();
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nscoord off = wm.IsVertical() ? rect.x : rect.y;
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rect += aPt;
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nsPresContext* presContext = PresContext();
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PaintBorderFlags borderFlags = aBuilder->ShouldSyncDecodeImages()
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? PaintBorderFlags::SYNC_DECODE_IMAGES
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: PaintBorderFlags();
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DrawResult result = DrawResult::SUCCESS;
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nsCSSRendering::PaintBoxShadowInner(presContext, aRenderingContext,
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this, rect);
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if (nsIFrame* legend = GetLegend()) {
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css::Side legendSide = wm.PhysicalSide(eLogicalSideBStart);
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nscoord legendBorderWidth =
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StyleBorder()->GetComputedBorderWidth(legendSide);
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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 inline-start and -end margins.
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LogicalRect legendRect(wm, legend->GetRect() + aPt, rect.Size());
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// Compute clipRect using logical coordinates, so that the legend space
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// will be clipped out of the appropriate physical side depending on mode.
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LogicalRect clipRect = LogicalRect(wm, rect, rect.Size());
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DrawTarget* drawTarget = aRenderingContext.GetDrawTarget();
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gfxContext* gfx = aRenderingContext.ThebesContext();
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int32_t appUnitsPerDevPixel = presContext->AppUnitsPerDevPixel();
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// draw inline-start portion of the block-start side of the border
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clipRect.ISize(wm) = legendRect.IStart(wm) - clipRect.IStart(wm);
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clipRect.BSize(wm) = legendBorderWidth;
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gfx->Save();
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gfx->Clip(NSRectToSnappedRect(clipRect.GetPhysicalRect(wm, rect.Size()),
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appUnitsPerDevPixel, *drawTarget));
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result &=
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nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
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aDirtyRect, rect, mStyleContext, borderFlags);
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gfx->Restore();
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// draw inline-end portion of the block-start side of the border
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clipRect = LogicalRect(wm, rect, rect.Size());
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clipRect.ISize(wm) = clipRect.IEnd(wm) - legendRect.IEnd(wm);
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clipRect.IStart(wm) = legendRect.IEnd(wm);
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clipRect.BSize(wm) = legendBorderWidth;
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gfx->Save();
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gfx->Clip(NSRectToSnappedRect(clipRect.GetPhysicalRect(wm, rect.Size()),
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appUnitsPerDevPixel, *drawTarget));
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result &=
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nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
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aDirtyRect, rect, mStyleContext, borderFlags);
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gfx->Restore();
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// draw remainder of the border (omitting the block-start side)
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clipRect = LogicalRect(wm, rect, rect.Size());
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clipRect.BStart(wm) += legendBorderWidth;
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clipRect.BSize(wm) = BSize(wm) - (off + legendBorderWidth);
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gfx->Save();
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gfx->Clip(NSRectToSnappedRect(clipRect.GetPhysicalRect(wm, rect.Size()),
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appUnitsPerDevPixel, *drawTarget));
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result &=
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nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
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aDirtyRect, rect, mStyleContext, borderFlags);
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gfx->Restore();
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} else {
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result &=
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nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
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aDirtyRect, nsRect(aPt, mRect.Size()),
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mStyleContext, borderFlags);
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}
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return result;
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}
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nscoord
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nsFieldSetFrame::GetIntrinsicISize(nsRenderingContext* aRenderingContext,
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nsLayoutUtils::IntrinsicISizeType 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::GetMinISize(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 = GetIntrinsicISize(aRenderingContext, nsLayoutUtils::MIN_ISIZE);
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return result;
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}
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nscoord
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nsFieldSetFrame::GetPrefISize(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 = GetIntrinsicISize(aRenderingContext, nsLayoutUtils::PREF_ISIZE);
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return result;
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}
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/* virtual */
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LogicalSize
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nsFieldSetFrame::ComputeSize(nsRenderingContext *aRenderingContext,
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WritingMode aWM,
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const LogicalSize& aCBSize,
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nscoord aAvailableISize,
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const LogicalSize& aMargin,
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const LogicalSize& aBorder,
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const LogicalSize& aPadding,
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ComputeSizeFlags aFlags)
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{
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LogicalSize result =
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nsContainerFrame::ComputeSize(aRenderingContext, aWM,
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aCBSize, aAvailableISize,
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aMargin, aBorder, aPadding, aFlags);
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// XXX The code below doesn't make sense if the caller's writing mode
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// is orthogonal to this frame's. Not sure yet what should happen then;
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// for now, just bail out.
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if (aWM.IsVertical() != GetWritingMode().IsVertical()) {
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return result;
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}
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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 minISize = GetMinISize(aRenderingContext);
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if (minISize > result.ISize(aWM)) {
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result.ISize(aWM) = minISize;
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}
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return result;
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}
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void
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nsFieldSetFrame::Reflow(nsPresContext* aPresContext,
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ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus)
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{
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MarkInReflow();
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DO_GLOBAL_REFLOW_COUNT("nsFieldSetFrame");
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DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
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NS_PRECONDITION(aReflowInput.ComputedISize() != NS_INTRINSICSIZE,
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"Should have a precomputed inline-size!");
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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, aReflowInput, 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 (aReflowInput.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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WritingMode wm = GetWritingMode();
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WritingMode innerWM = inner ? inner->GetWritingMode() : wm;
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WritingMode legendWM = legend ? legend->GetWritingMode() : wm;
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LogicalSize innerAvailSize = aReflowInput.ComputedSizeWithPadding(innerWM);
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LogicalSize legendAvailSize = aReflowInput.ComputedSizeWithPadding(legendWM);
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innerAvailSize.BSize(innerWM) = legendAvailSize.BSize(legendWM) =
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NS_UNCONSTRAINEDSIZE;
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NS_ASSERTION(!inner ||
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nsLayoutUtils::IntrinsicForContainer(aReflowInput.mRenderingContext,
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inner,
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nsLayoutUtils::MIN_ISIZE) <=
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innerAvailSize.ISize(innerWM),
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"Bogus availSize.ISize; should be bigger");
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NS_ASSERTION(!legend ||
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nsLayoutUtils::IntrinsicForContainer(aReflowInput.mRenderingContext,
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legend,
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nsLayoutUtils::MIN_ISIZE) <=
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legendAvailSize.ISize(legendWM),
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"Bogus availSize.ISize; should be bigger");
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// get our border and padding
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LogicalMargin border = aReflowInput.ComputedLogicalBorderPadding() -
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aReflowInput.ComputedLogicalPadding();
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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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LogicalMargin legendMargin(wm);
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// reflow the legend only if needed
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Maybe<ReflowInput> legendReflowInput;
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if (legend) {
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legendReflowInput.emplace(aPresContext, aReflowInput, legend,
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legendAvailSize);
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}
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if (reflowLegend) {
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ReflowOutput legendDesiredSize(aReflowInput);
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// We'll move the legend to its proper place later, so the position
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// and containerSize passed here are unimportant.
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const nsSize dummyContainerSize;
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ReflowChild(legend, aPresContext, legendDesiredSize, *legendReflowInput,
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wm, LogicalPoint(wm), dummyContainerSize,
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NS_FRAME_NO_MOVE_FRAME, aStatus);
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#ifdef NOISY_REFLOW
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printf(" returned (%d, %d)\n",
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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->GetLogicalUsedMargin(wm);
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mLegendRect =
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LogicalRect(wm, 0, 0,
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legendDesiredSize.ISize(wm) + legendMargin.IStartEnd(wm),
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legendDesiredSize.BSize(wm) + legendMargin.BStartEnd(wm));
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nscoord oldSpace = mLegendSpace;
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mLegendSpace = 0;
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if (mLegendRect.BSize(wm) > border.BStart(wm)) {
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// center the border on the legend
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mLegendSpace = mLegendRect.BSize(wm) - border.BStart(wm);
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} else {
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mLegendRect.BStart(wm) =
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(border.BStart(wm) - mLegendRect.BSize(wm)) / 2;
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|
}
|
|
|
|
// if the legend space changes then we need to reflow the
|
|
// content area as well.
|
|
if (mLegendSpace != oldSpace && inner) {
|
|
reflowInner = true;
|
|
}
|
|
|
|
FinishReflowChild(legend, aPresContext, legendDesiredSize,
|
|
legendReflowInput.ptr(), wm, LogicalPoint(wm),
|
|
dummyContainerSize, 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->GetLogicalUsedMargin(wm);
|
|
}
|
|
|
|
// This containerSize is incomplete as yet: it does not include the size
|
|
// of the |inner| frame itself.
|
|
nsSize containerSize = (LogicalSize(wm, 0, mLegendSpace) +
|
|
border.Size(wm)).GetPhysicalSize(wm);
|
|
// reflow the content frame only if needed
|
|
if (reflowInner) {
|
|
ReflowInput kidReflowInput(aPresContext, aReflowInput, inner,
|
|
innerAvailSize, nullptr,
|
|
ReflowInput::CALLER_WILL_INIT);
|
|
// Override computed padding, in case it's percentage padding
|
|
kidReflowInput.Init(aPresContext, nullptr, nullptr,
|
|
&aReflowInput.ComputedPhysicalPadding());
|
|
// 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 (aReflowInput.ComputedBSize() != NS_UNCONSTRAINEDSIZE) {
|
|
kidReflowInput.SetComputedBSize(
|
|
std::max(0, aReflowInput.ComputedBSize() - mLegendSpace));
|
|
}
|
|
|
|
if (aReflowInput.ComputedMinBSize() > 0) {
|
|
kidReflowInput.ComputedMinBSize() =
|
|
std::max(0, aReflowInput.ComputedMinBSize() - mLegendSpace);
|
|
}
|
|
|
|
if (aReflowInput.ComputedMaxBSize() != NS_UNCONSTRAINEDSIZE) {
|
|
kidReflowInput.ComputedMaxBSize() =
|
|
std::max(0, aReflowInput.ComputedMaxBSize() - mLegendSpace);
|
|
}
|
|
|
|
ReflowOutput kidDesiredSize(kidReflowInput,
|
|
aDesiredSize.mFlags);
|
|
// Reflow the frame
|
|
NS_ASSERTION(kidReflowInput.ComputedPhysicalMargin() == nsMargin(0,0,0,0),
|
|
"Margins on anonymous fieldset child not supported!");
|
|
LogicalPoint pt(wm, border.IStart(wm), border.BStart(wm) + mLegendSpace);
|
|
|
|
// We don't know the correct containerSize until we have reflowed |inner|,
|
|
// so we use a dummy value for now; FinishReflowChild will fix the position
|
|
// if necessary.
|
|
const nsSize dummyContainerSize;
|
|
ReflowChild(inner, aPresContext, kidDesiredSize, kidReflowInput,
|
|
wm, pt, dummyContainerSize, 0, aStatus);
|
|
|
|
// Update containerSize to account for size of the inner frame, so that
|
|
// FinishReflowChild can position it correctly.
|
|
containerSize += kidDesiredSize.PhysicalSize();
|
|
FinishReflowChild(inner, aPresContext, kidDesiredSize,
|
|
&kidReflowInput, wm, pt, containerSize, 0);
|
|
NS_FRAME_TRACE_REFLOW_OUT("FieldSet::Reflow", aStatus);
|
|
} else if (inner) {
|
|
// |inner| didn't need to be reflowed but we do need to include its size
|
|
// in containerSize.
|
|
containerSize += inner->GetSize();
|
|
}
|
|
|
|
LogicalRect contentRect(wm);
|
|
if (inner) {
|
|
// We don't support margins on inner, so our content rect is just the
|
|
// inner's border-box. (We don't really care about container size at this
|
|
// point, as we'll figure out the actual positioning later.)
|
|
contentRect = inner->GetLogicalRect(wm, containerSize);
|
|
}
|
|
|
|
// Our content rect must fill up the available width
|
|
LogicalSize availSize = aReflowInput.ComputedSizeWithPadding(wm);
|
|
if (availSize.ISize(wm) > contentRect.ISize(wm)) {
|
|
contentRect.ISize(wm) = innerAvailSize.ISize(wm);
|
|
}
|
|
|
|
if (legend) {
|
|
// The legend is positioned inline-wards within the inner's content rect
|
|
// (so that padding on the fieldset affects the legend position).
|
|
LogicalRect innerContentRect = contentRect;
|
|
innerContentRect.Deflate(wm, aReflowInput.ComputedLogicalPadding());
|
|
// If the inner content rect is larger than the legend, we can align the
|
|
// legend.
|
|
if (innerContentRect.ISize(wm) > mLegendRect.ISize(wm)) {
|
|
// NOTE legend @align values are: left/right/center/top/bottom.
|
|
// GetLogicalAlign converts left/right to start/end for the given WM.
|
|
// @see HTMLLegendElement::ParseAttribute, nsLegendFrame::GetLogicalAlign
|
|
int32_t align = static_cast<nsLegendFrame*>
|
|
(legend->GetContentInsertionFrame())->GetLogicalAlign(wm);
|
|
switch (align) {
|
|
case NS_STYLE_TEXT_ALIGN_END:
|
|
mLegendRect.IStart(wm) =
|
|
innerContentRect.IEnd(wm) - mLegendRect.ISize(wm);
|
|
break;
|
|
case NS_STYLE_TEXT_ALIGN_CENTER:
|
|
// Note: rounding removed; there doesn't seem to be any need
|
|
mLegendRect.IStart(wm) = innerContentRect.IStart(wm) +
|
|
(innerContentRect.ISize(wm) - mLegendRect.ISize(wm)) / 2;
|
|
break;
|
|
case NS_STYLE_TEXT_ALIGN_START:
|
|
case NS_STYLE_VERTICAL_ALIGN_TOP:
|
|
case NS_STYLE_VERTICAL_ALIGN_BOTTOM:
|
|
mLegendRect.IStart(wm) = innerContentRect.IStart(wm);
|
|
break;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("unexpected GetLogicalAlign value");
|
|
}
|
|
} else {
|
|
// otherwise make place for the legend
|
|
mLegendRect.IStart(wm) = innerContentRect.IStart(wm);
|
|
innerContentRect.ISize(wm) = mLegendRect.ISize(wm);
|
|
contentRect.ISize(wm) = mLegendRect.ISize(wm) +
|
|
aReflowInput.ComputedLogicalPadding().IStartEnd(wm);
|
|
}
|
|
|
|
// place the legend
|
|
LogicalRect actualLegendRect = mLegendRect;
|
|
actualLegendRect.Deflate(wm, legendMargin);
|
|
LogicalPoint actualLegendPos(actualLegendRect.Origin(wm));
|
|
|
|
// Note that legend's writing mode may be different from the fieldset's,
|
|
// so we need to convert offsets before applying them to it (bug 1134534).
|
|
LogicalMargin offsets =
|
|
legendReflowInput->ComputedLogicalOffsets().
|
|
ConvertTo(wm, legendReflowInput->GetWritingMode());
|
|
ReflowInput::ApplyRelativePositioning(legend, wm, offsets,
|
|
&actualLegendPos,
|
|
containerSize);
|
|
|
|
legend->SetPosition(wm, actualLegendPos, containerSize);
|
|
nsContainerFrame::PositionFrameView(legend);
|
|
nsContainerFrame::PositionChildViews(legend);
|
|
}
|
|
|
|
// Return our size and our result.
|
|
LogicalSize finalSize(wm, contentRect.ISize(wm) + border.IStartEnd(wm),
|
|
mLegendSpace + border.BStartEnd(wm) +
|
|
(inner ? inner->BSize(wm) : 0));
|
|
aDesiredSize.SetSize(wm, finalSize);
|
|
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, aReflowInput, aStatus);
|
|
|
|
InvalidateFrame();
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowInput, aDesiredSize);
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
void
|
|
nsFieldSetFrame::SetInitialChildList(ChildListID aListID,
|
|
nsFrameList& aChildList)
|
|
{
|
|
nsContainerFrame::SetInitialChildList(aListID, aChildList);
|
|
MOZ_ASSERT(aListID != kPrincipalList || GetInner(),
|
|
"Setting principal child list should populate our inner frame");
|
|
}
|
|
void
|
|
nsFieldSetFrame::AppendFrames(ChildListID aListID,
|
|
nsFrameList& aFrameList)
|
|
{
|
|
MOZ_CRASH("nsFieldSetFrame::AppendFrames not supported");
|
|
}
|
|
|
|
void
|
|
nsFieldSetFrame::InsertFrames(ChildListID aListID,
|
|
nsIFrame* aPrevFrame,
|
|
nsFrameList& aFrameList)
|
|
{
|
|
MOZ_CRASH("nsFieldSetFrame::InsertFrames not supported");
|
|
}
|
|
|
|
void
|
|
nsFieldSetFrame::RemoveFrame(ChildListID aListID,
|
|
nsIFrame* aOldFrame)
|
|
{
|
|
MOZ_CRASH("nsFieldSetFrame::RemoveFrame not supported");
|
|
}
|
|
#endif
|
|
|
|
#ifdef ACCESSIBILITY
|
|
a11y::AccType
|
|
nsFieldSetFrame::AccessibleType()
|
|
{
|
|
return a11y::eHTMLGroupboxType;
|
|
}
|
|
#endif
|
|
|
|
nscoord
|
|
nsFieldSetFrame::GetLogicalBaseline(WritingMode aWM) const
|
|
{
|
|
switch (StyleDisplay()->mDisplay) {
|
|
case mozilla::StyleDisplay::Grid:
|
|
case mozilla::StyleDisplay::InlineGrid:
|
|
case mozilla::StyleDisplay::Flex:
|
|
case mozilla::StyleDisplay::InlineFlex:
|
|
return BaselineBOffset(aWM, BaselineSharingGroup::eFirst,
|
|
AlignmentContext::eInline);
|
|
default:
|
|
return BSize(aWM) - BaselineBOffset(aWM, BaselineSharingGroup::eLast,
|
|
AlignmentContext::eInline);
|
|
}
|
|
}
|
|
|
|
bool
|
|
nsFieldSetFrame::GetVerticalAlignBaseline(WritingMode aWM,
|
|
nscoord* aBaseline) const
|
|
{
|
|
nsIFrame* inner = GetInner();
|
|
MOZ_ASSERT(!inner->GetWritingMode().IsOrthogonalTo(aWM));
|
|
if (!inner->GetVerticalAlignBaseline(aWM, aBaseline)) {
|
|
return false;
|
|
}
|
|
nscoord innerBStart = inner->BStart(aWM, GetSize());
|
|
*aBaseline += innerBStart;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
nsFieldSetFrame::GetNaturalBaselineBOffset(WritingMode aWM,
|
|
BaselineSharingGroup aBaselineGroup,
|
|
nscoord* aBaseline) const
|
|
{
|
|
nsIFrame* inner = GetInner();
|
|
MOZ_ASSERT(!inner->GetWritingMode().IsOrthogonalTo(aWM));
|
|
if (!inner->GetNaturalBaselineBOffset(aWM, aBaselineGroup, aBaseline)) {
|
|
return false;
|
|
}
|
|
nscoord innerBStart = inner->BStart(aWM, GetSize());
|
|
if (aBaselineGroup == BaselineSharingGroup::eFirst) {
|
|
*aBaseline += innerBStart;
|
|
} else {
|
|
*aBaseline += BSize(aWM) - (innerBStart + inner->BSize(aWM));
|
|
}
|
|
return true;
|
|
}
|