forked from mirrors/gecko-dev
707 lines
26 KiB
C++
707 lines
26 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsFieldSetFrame.h"
|
|
|
|
#include "mozilla/gfx/2D.h"
|
|
#include "nsCSSAnonBoxes.h"
|
|
#include "nsLayoutUtils.h"
|
|
#include "nsLegendFrame.h"
|
|
#include "nsCSSRendering.h"
|
|
#include <algorithm>
|
|
#include "nsIFrame.h"
|
|
#include "nsPresContext.h"
|
|
#include "mozilla/RestyleManager.h"
|
|
#include "nsGkAtoms.h"
|
|
#include "nsStyleConsts.h"
|
|
#include "nsDisplayList.h"
|
|
#include "nsRenderingContext.h"
|
|
#include "nsIScrollableFrame.h"
|
|
#include "mozilla/Likely.h"
|
|
#include "mozilla/Maybe.h"
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::gfx;
|
|
using namespace mozilla::image;
|
|
using namespace mozilla::layout;
|
|
|
|
nsContainerFrame*
|
|
NS_NewFieldSetFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
|
|
{
|
|
return new (aPresShell) nsFieldSetFrame(aContext);
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsFieldSetFrame)
|
|
|
|
nsFieldSetFrame::nsFieldSetFrame(nsStyleContext* aContext)
|
|
: nsContainerFrame(aContext)
|
|
, mLegendRect(GetWritingMode())
|
|
{
|
|
mLegendSpace = 0;
|
|
}
|
|
|
|
nsIAtom*
|
|
nsFieldSetFrame::GetType() const
|
|
{
|
|
return nsGkAtoms::fieldSetFrame;
|
|
}
|
|
|
|
nsRect
|
|
nsFieldSetFrame::VisualBorderRectRelativeToSelf() const
|
|
{
|
|
WritingMode wm = GetWritingMode();
|
|
css::Side legendSide = wm.PhysicalSide(eLogicalSideBStart);
|
|
nscoord legendBorder = StyleBorder()->GetComputedBorderWidth(legendSide);
|
|
LogicalRect r(wm, LogicalPoint(wm, 0, 0), GetLogicalSize(wm));
|
|
nsSize containerSize = r.Size(wm).GetPhysicalSize(wm);
|
|
if (legendBorder < mLegendRect.BSize(wm)) {
|
|
nscoord off = (mLegendRect.BSize(wm) - legendBorder) / 2;
|
|
r.BStart(wm) += off;
|
|
r.BSize(wm) -= off;
|
|
}
|
|
return r.GetPhysicalRect(wm, containerSize);
|
|
}
|
|
|
|
nsIFrame*
|
|
nsFieldSetFrame::GetInner() const
|
|
{
|
|
nsIFrame* last = mFrames.LastChild();
|
|
if (last &&
|
|
last->StyleContext()->GetPseudo() == nsCSSAnonBoxes::fieldsetContent) {
|
|
return last;
|
|
}
|
|
MOZ_ASSERT(mFrames.LastChild() == mFrames.FirstChild());
|
|
return nullptr;
|
|
}
|
|
|
|
nsIFrame*
|
|
nsFieldSetFrame::GetLegend() const
|
|
{
|
|
if (mFrames.FirstChild() == GetInner()) {
|
|
MOZ_ASSERT(mFrames.LastChild() == mFrames.FirstChild());
|
|
return nullptr;
|
|
}
|
|
MOZ_ASSERT(mFrames.FirstChild() &&
|
|
mFrames.FirstChild()->GetContentInsertionFrame()->GetType() ==
|
|
nsGkAtoms::legendFrame);
|
|
return mFrames.FirstChild();
|
|
}
|
|
|
|
class nsDisplayFieldSetBorderBackground : public nsDisplayItem {
|
|
public:
|
|
nsDisplayFieldSetBorderBackground(nsDisplayListBuilder* aBuilder,
|
|
nsFieldSetFrame* aFrame)
|
|
: nsDisplayItem(aBuilder, aFrame) {
|
|
MOZ_COUNT_CTOR(nsDisplayFieldSetBorderBackground);
|
|
}
|
|
#ifdef NS_BUILD_REFCNT_LOGGING
|
|
virtual ~nsDisplayFieldSetBorderBackground() {
|
|
MOZ_COUNT_DTOR(nsDisplayFieldSetBorderBackground);
|
|
}
|
|
#endif
|
|
|
|
virtual void HitTest(nsDisplayListBuilder* aBuilder, const nsRect& aRect,
|
|
HitTestState* aState,
|
|
nsTArray<nsIFrame*> *aOutFrames) override;
|
|
virtual void Paint(nsDisplayListBuilder* aBuilder,
|
|
nsRenderingContext* aCtx) override;
|
|
virtual nsDisplayItemGeometry* AllocateGeometry(nsDisplayListBuilder* aBuilder) override;
|
|
virtual void ComputeInvalidationRegion(nsDisplayListBuilder* aBuilder,
|
|
const nsDisplayItemGeometry* aGeometry,
|
|
nsRegion *aInvalidRegion) override;
|
|
NS_DISPLAY_DECL_NAME("FieldSetBorderBackground", TYPE_FIELDSET_BORDER_BACKGROUND)
|
|
};
|
|
|
|
void nsDisplayFieldSetBorderBackground::HitTest(nsDisplayListBuilder* aBuilder, const nsRect& aRect,
|
|
HitTestState* aState, nsTArray<nsIFrame*> *aOutFrames)
|
|
{
|
|
// aPt is guaranteed to be in this item's bounds. We do the hit test based on the
|
|
// frame bounds even though our background doesn't cover the whole frame.
|
|
// It's not clear whether this is correct.
|
|
aOutFrames->AppendElement(mFrame);
|
|
}
|
|
|
|
void
|
|
nsDisplayFieldSetBorderBackground::Paint(nsDisplayListBuilder* aBuilder,
|
|
nsRenderingContext* aCtx)
|
|
{
|
|
DrawResult result = static_cast<nsFieldSetFrame*>(mFrame)->
|
|
PaintBorderBackground(aBuilder, *aCtx, ToReferenceFrame(), mVisibleRect);
|
|
|
|
nsDisplayItemGenericImageGeometry::UpdateDrawResult(this, result);
|
|
}
|
|
|
|
nsDisplayItemGeometry*
|
|
nsDisplayFieldSetBorderBackground::AllocateGeometry(nsDisplayListBuilder* aBuilder)
|
|
{
|
|
return new nsDisplayItemGenericImageGeometry(this, aBuilder);
|
|
}
|
|
|
|
void
|
|
nsDisplayFieldSetBorderBackground::ComputeInvalidationRegion(nsDisplayListBuilder* aBuilder,
|
|
const nsDisplayItemGeometry* aGeometry,
|
|
nsRegion *aInvalidRegion)
|
|
{
|
|
auto geometry =
|
|
static_cast<const nsDisplayItemGenericImageGeometry*>(aGeometry);
|
|
|
|
if (aBuilder->ShouldSyncDecodeImages() &&
|
|
geometry->ShouldInvalidateToSyncDecodeImages()) {
|
|
bool snap;
|
|
aInvalidRegion->Or(*aInvalidRegion, GetBounds(aBuilder, &snap));
|
|
}
|
|
|
|
nsDisplayItem::ComputeInvalidationRegion(aBuilder, aGeometry, aInvalidRegion);
|
|
}
|
|
|
|
void
|
|
nsFieldSetFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists) {
|
|
// Paint our background and border in a special way.
|
|
// REVIEW: We don't really need to check frame emptiness here; if it's empty,
|
|
// the background/border display item won't do anything, and if it isn't empty,
|
|
// we need to paint the outline
|
|
if (!(GetStateBits() & NS_FRAME_IS_OVERFLOW_CONTAINER) &&
|
|
IsVisibleForPainting(aBuilder)) {
|
|
if (StyleEffects()->mBoxShadow) {
|
|
aLists.BorderBackground()->AppendNewToTop(new (aBuilder)
|
|
nsDisplayBoxShadowOuter(aBuilder, this));
|
|
}
|
|
|
|
// don't bother checking to see if we really have a border or background.
|
|
// we usually will have a border.
|
|
aLists.BorderBackground()->AppendNewToTop(new (aBuilder)
|
|
nsDisplayFieldSetBorderBackground(aBuilder, this));
|
|
|
|
DisplayOutlineUnconditional(aBuilder, aLists);
|
|
|
|
DO_GLOBAL_REFLOW_COUNT_DSP("nsFieldSetFrame");
|
|
}
|
|
|
|
if (GetPrevInFlow()) {
|
|
DisplayOverflowContainers(aBuilder, aDirtyRect, aLists);
|
|
}
|
|
|
|
nsDisplayListCollection contentDisplayItems;
|
|
if (nsIFrame* inner = GetInner()) {
|
|
// Collect the inner frame's display items into their own collection.
|
|
// We need to be calling BuildDisplayList on it before the legend in
|
|
// case it contains out-of-flow frames whose placeholders are in the
|
|
// legend. However, we want the inner frame's display items to be
|
|
// after the legend's display items in z-order, so we need to save them
|
|
// and append them later.
|
|
BuildDisplayListForChild(aBuilder, inner, aDirtyRect, contentDisplayItems);
|
|
}
|
|
if (nsIFrame* legend = GetLegend()) {
|
|
// The legend's background goes on our BlockBorderBackgrounds list because
|
|
// it's a block child.
|
|
nsDisplayListSet set(aLists, aLists.BlockBorderBackgrounds());
|
|
BuildDisplayListForChild(aBuilder, legend, aDirtyRect, set);
|
|
}
|
|
// Put the inner frame's display items on the master list. Note that this
|
|
// moves its border/background display items to our BorderBackground() list,
|
|
// which isn't really correct, but it's OK because the inner frame is
|
|
// anonymous and can't have its own border and background.
|
|
contentDisplayItems.MoveTo(aLists);
|
|
}
|
|
|
|
DrawResult
|
|
nsFieldSetFrame::PaintBorderBackground(
|
|
nsDisplayListBuilder* aBuilder,
|
|
nsRenderingContext& aRenderingContext,
|
|
nsPoint aPt,
|
|
const nsRect& aDirtyRect)
|
|
{
|
|
// if the border is smaller than the legend. Move the border down
|
|
// to be centered on the legend.
|
|
// FIXME: This means border-radius clamping is incorrect; we should
|
|
// override nsIFrame::GetBorderRadii.
|
|
WritingMode wm = GetWritingMode();
|
|
nsRect rect = VisualBorderRectRelativeToSelf();
|
|
nscoord off = wm.IsVertical() ? rect.x : rect.y;
|
|
rect += aPt;
|
|
nsPresContext* presContext = PresContext();
|
|
|
|
uint32_t bgFlags = aBuilder->GetBackgroundPaintFlags();
|
|
PaintBorderFlags borderFlags = aBuilder->ShouldSyncDecodeImages()
|
|
? PaintBorderFlags::SYNC_DECODE_IMAGES
|
|
: PaintBorderFlags();
|
|
|
|
DrawResult result =
|
|
nsCSSRendering::PaintBackground(presContext, aRenderingContext, this,
|
|
aDirtyRect, rect, bgFlags);
|
|
|
|
nsCSSRendering::PaintBoxShadowInner(presContext, aRenderingContext,
|
|
this, rect);
|
|
|
|
if (nsIFrame* legend = GetLegend()) {
|
|
css::Side legendSide = wm.PhysicalSide(eLogicalSideBStart);
|
|
nscoord legendBorderWidth =
|
|
StyleBorder()->GetComputedBorderWidth(legendSide);
|
|
|
|
// Use the rect of the legend frame, not mLegendRect, so we draw our
|
|
// border under the legend's inline-start and -end margins.
|
|
LogicalRect legendRect(wm, legend->GetRect() + aPt, rect.Size());
|
|
|
|
// Compute clipRect using logical coordinates, so that the legend space
|
|
// will be clipped out of the appropriate physical side depending on mode.
|
|
LogicalRect clipRect = LogicalRect(wm, rect, rect.Size());
|
|
DrawTarget* drawTarget = aRenderingContext.GetDrawTarget();
|
|
gfxContext* gfx = aRenderingContext.ThebesContext();
|
|
int32_t appUnitsPerDevPixel = presContext->AppUnitsPerDevPixel();
|
|
|
|
// draw inline-start portion of the block-start side of the border
|
|
clipRect.ISize(wm) = legendRect.IStart(wm) - clipRect.IStart(wm);
|
|
clipRect.BSize(wm) = legendBorderWidth;
|
|
|
|
gfx->Save();
|
|
gfx->Clip(NSRectToSnappedRect(clipRect.GetPhysicalRect(wm, rect.Size()),
|
|
appUnitsPerDevPixel, *drawTarget));
|
|
result &=
|
|
nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
|
|
aDirtyRect, rect, mStyleContext, borderFlags);
|
|
gfx->Restore();
|
|
|
|
// draw inline-end portion of the block-start side of the border
|
|
clipRect = LogicalRect(wm, rect, rect.Size());
|
|
clipRect.ISize(wm) = clipRect.IEnd(wm) - legendRect.IEnd(wm);
|
|
clipRect.IStart(wm) = legendRect.IEnd(wm);
|
|
clipRect.BSize(wm) = legendBorderWidth;
|
|
|
|
gfx->Save();
|
|
gfx->Clip(NSRectToSnappedRect(clipRect.GetPhysicalRect(wm, rect.Size()),
|
|
appUnitsPerDevPixel, *drawTarget));
|
|
result &=
|
|
nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
|
|
aDirtyRect, rect, mStyleContext, borderFlags);
|
|
gfx->Restore();
|
|
|
|
// draw remainder of the border (omitting the block-start side)
|
|
clipRect = LogicalRect(wm, rect, rect.Size());
|
|
clipRect.BStart(wm) += legendBorderWidth;
|
|
clipRect.BSize(wm) = BSize(wm) - (off + legendBorderWidth);
|
|
|
|
gfx->Save();
|
|
gfx->Clip(NSRectToSnappedRect(clipRect.GetPhysicalRect(wm, rect.Size()),
|
|
appUnitsPerDevPixel, *drawTarget));
|
|
result &=
|
|
nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
|
|
aDirtyRect, rect, mStyleContext, borderFlags);
|
|
gfx->Restore();
|
|
} else {
|
|
result &=
|
|
nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
|
|
aDirtyRect, nsRect(aPt, mRect.Size()),
|
|
mStyleContext, borderFlags);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
nscoord
|
|
nsFieldSetFrame::GetIntrinsicISize(nsRenderingContext* aRenderingContext,
|
|
nsLayoutUtils::IntrinsicISizeType aType)
|
|
{
|
|
nscoord legendWidth = 0;
|
|
nscoord contentWidth = 0;
|
|
if (nsIFrame* legend = GetLegend()) {
|
|
legendWidth =
|
|
nsLayoutUtils::IntrinsicForContainer(aRenderingContext, legend, aType);
|
|
}
|
|
|
|
if (nsIFrame* inner = GetInner()) {
|
|
// Ignore padding on the inner, since the padding will be applied to the
|
|
// outer instead, and the padding computed for the inner is wrong
|
|
// for percentage padding.
|
|
contentWidth =
|
|
nsLayoutUtils::IntrinsicForContainer(aRenderingContext, inner, aType,
|
|
nsLayoutUtils::IGNORE_PADDING);
|
|
}
|
|
|
|
return std::max(legendWidth, contentWidth);
|
|
}
|
|
|
|
|
|
nscoord
|
|
nsFieldSetFrame::GetMinISize(nsRenderingContext* aRenderingContext)
|
|
{
|
|
nscoord result = 0;
|
|
DISPLAY_MIN_WIDTH(this, result);
|
|
|
|
result = GetIntrinsicISize(aRenderingContext, nsLayoutUtils::MIN_ISIZE);
|
|
return result;
|
|
}
|
|
|
|
nscoord
|
|
nsFieldSetFrame::GetPrefISize(nsRenderingContext* aRenderingContext)
|
|
{
|
|
nscoord result = 0;
|
|
DISPLAY_PREF_WIDTH(this, result);
|
|
|
|
result = GetIntrinsicISize(aRenderingContext, nsLayoutUtils::PREF_ISIZE);
|
|
return result;
|
|
}
|
|
|
|
/* virtual */
|
|
LogicalSize
|
|
nsFieldSetFrame::ComputeSize(nsRenderingContext *aRenderingContext,
|
|
WritingMode aWM,
|
|
const LogicalSize& aCBSize,
|
|
nscoord aAvailableISize,
|
|
const LogicalSize& aMargin,
|
|
const LogicalSize& aBorder,
|
|
const LogicalSize& aPadding,
|
|
ComputeSizeFlags aFlags)
|
|
{
|
|
LogicalSize result =
|
|
nsContainerFrame::ComputeSize(aRenderingContext, aWM,
|
|
aCBSize, aAvailableISize,
|
|
aMargin, aBorder, aPadding, aFlags);
|
|
|
|
// XXX The code below doesn't make sense if the caller's writing mode
|
|
// is orthogonal to this frame's. Not sure yet what should happen then;
|
|
// for now, just bail out.
|
|
if (aWM.IsVertical() != GetWritingMode().IsVertical()) {
|
|
return result;
|
|
}
|
|
|
|
// Fieldsets never shrink below their min width.
|
|
|
|
// If we're a container for font size inflation, then shrink
|
|
// wrapping inside of us should not apply font size inflation.
|
|
AutoMaybeDisableFontInflation an(this);
|
|
|
|
nscoord minISize = GetMinISize(aRenderingContext);
|
|
if (minISize > result.ISize(aWM)) {
|
|
result.ISize(aWM) = minISize;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void
|
|
nsFieldSetFrame::Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
MarkInReflow();
|
|
DO_GLOBAL_REFLOW_COUNT("nsFieldSetFrame");
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
|
|
NS_PRECONDITION(aReflowState.ComputedISize() != NS_INTRINSICSIZE,
|
|
"Should have a precomputed inline-size!");
|
|
|
|
// Initialize OUT parameter
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
|
|
nsOverflowAreas ocBounds;
|
|
nsReflowStatus ocStatus = NS_FRAME_COMPLETE;
|
|
if (GetPrevInFlow()) {
|
|
ReflowOverflowContainerChildren(aPresContext, aReflowState, ocBounds, 0,
|
|
ocStatus);
|
|
}
|
|
|
|
//------------ Handle Incremental Reflow -----------------
|
|
bool reflowInner;
|
|
bool reflowLegend;
|
|
nsIFrame* legend = GetLegend();
|
|
nsIFrame* inner = GetInner();
|
|
if (aReflowState.ShouldReflowAllKids()) {
|
|
reflowInner = inner != nullptr;
|
|
reflowLegend = legend != nullptr;
|
|
} else {
|
|
reflowInner = inner && NS_SUBTREE_DIRTY(inner);
|
|
reflowLegend = legend && NS_SUBTREE_DIRTY(legend);
|
|
}
|
|
|
|
// We don't allow fieldsets to break vertically. If we did, we'd
|
|
// need logic here to push and pull overflow frames.
|
|
// Since we're not applying our padding in this frame, we need to add it here
|
|
// to compute the available width for our children.
|
|
WritingMode wm = GetWritingMode();
|
|
WritingMode innerWM = inner ? inner->GetWritingMode() : wm;
|
|
WritingMode legendWM = legend ? legend->GetWritingMode() : wm;
|
|
LogicalSize innerAvailSize = aReflowState.ComputedSizeWithPadding(innerWM);
|
|
LogicalSize legendAvailSize = aReflowState.ComputedSizeWithPadding(legendWM);
|
|
innerAvailSize.BSize(innerWM) = legendAvailSize.BSize(legendWM) =
|
|
NS_UNCONSTRAINEDSIZE;
|
|
NS_ASSERTION(!inner ||
|
|
nsLayoutUtils::IntrinsicForContainer(aReflowState.rendContext,
|
|
inner,
|
|
nsLayoutUtils::MIN_ISIZE) <=
|
|
innerAvailSize.ISize(innerWM),
|
|
"Bogus availSize.ISize; should be bigger");
|
|
NS_ASSERTION(!legend ||
|
|
nsLayoutUtils::IntrinsicForContainer(aReflowState.rendContext,
|
|
legend,
|
|
nsLayoutUtils::MIN_ISIZE) <=
|
|
legendAvailSize.ISize(legendWM),
|
|
"Bogus availSize.ISize; should be bigger");
|
|
|
|
// get our border and padding
|
|
LogicalMargin border = aReflowState.ComputedLogicalBorderPadding() -
|
|
aReflowState.ComputedLogicalPadding();
|
|
|
|
// Figure out how big the legend is if there is one.
|
|
// get the legend's margin
|
|
LogicalMargin legendMargin(wm);
|
|
// reflow the legend only if needed
|
|
Maybe<nsHTMLReflowState> legendReflowState;
|
|
if (legend) {
|
|
legendReflowState.emplace(aPresContext, aReflowState, legend,
|
|
legendAvailSize);
|
|
}
|
|
if (reflowLegend) {
|
|
nsHTMLReflowMetrics legendDesiredSize(aReflowState);
|
|
|
|
// We'll move the legend to its proper place later, so the position
|
|
// and containerSize passed here are unimportant.
|
|
const nsSize dummyContainerSize;
|
|
ReflowChild(legend, aPresContext, legendDesiredSize, *legendReflowState,
|
|
wm, LogicalPoint(wm), dummyContainerSize,
|
|
NS_FRAME_NO_MOVE_FRAME, aStatus);
|
|
#ifdef NOISY_REFLOW
|
|
printf(" returned (%d, %d)\n",
|
|
legendDesiredSize.Width(), legendDesiredSize.Height());
|
|
#endif
|
|
// figure out the legend's rectangle
|
|
legendMargin = legend->GetLogicalUsedMargin(wm);
|
|
mLegendRect =
|
|
LogicalRect(wm, 0, 0,
|
|
legendDesiredSize.ISize(wm) + legendMargin.IStartEnd(wm),
|
|
legendDesiredSize.BSize(wm) + legendMargin.BStartEnd(wm));
|
|
nscoord oldSpace = mLegendSpace;
|
|
mLegendSpace = 0;
|
|
if (mLegendRect.BSize(wm) > border.BStart(wm)) {
|
|
// center the border on the legend
|
|
mLegendSpace = mLegendRect.BSize(wm) - border.BStart(wm);
|
|
} else {
|
|
mLegendRect.BStart(wm) =
|
|
(border.BStart(wm) - mLegendRect.BSize(wm)) / 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, legendDesiredSize,
|
|
legendReflowState.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) {
|
|
nsHTMLReflowState kidReflowState(aPresContext, aReflowState, inner,
|
|
innerAvailSize, nullptr,
|
|
nsHTMLReflowState::CALLER_WILL_INIT);
|
|
// Override computed padding, in case it's percentage padding
|
|
kidReflowState.Init(aPresContext, nullptr, nullptr,
|
|
&aReflowState.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 (aReflowState.ComputedBSize() != NS_UNCONSTRAINEDSIZE) {
|
|
kidReflowState.SetComputedBSize(
|
|
std::max(0, aReflowState.ComputedBSize() - mLegendSpace));
|
|
}
|
|
|
|
if (aReflowState.ComputedMinBSize() > 0) {
|
|
kidReflowState.ComputedMinBSize() =
|
|
std::max(0, aReflowState.ComputedMinBSize() - mLegendSpace);
|
|
}
|
|
|
|
if (aReflowState.ComputedMaxBSize() != NS_UNCONSTRAINEDSIZE) {
|
|
kidReflowState.ComputedMaxBSize() =
|
|
std::max(0, aReflowState.ComputedMaxBSize() - mLegendSpace);
|
|
}
|
|
|
|
nsHTMLReflowMetrics kidDesiredSize(kidReflowState,
|
|
aDesiredSize.mFlags);
|
|
// Reflow the frame
|
|
NS_ASSERTION(kidReflowState.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, kidReflowState,
|
|
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,
|
|
&kidReflowState, 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 = aReflowState.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, aReflowState.ComputedLogicalPadding());
|
|
// If the inner content rect is larger than the legend, we can align the
|
|
// legend.
|
|
if (innerContentRect.ISize(wm) > mLegendRect.ISize(wm)) {
|
|
int32_t align = static_cast<nsLegendFrame*>
|
|
(legend->GetContentInsertionFrame())->GetAlign();
|
|
if (!wm.IsBidiLTR()) {
|
|
if (align == NS_STYLE_TEXT_ALIGN_LEFT ||
|
|
align == NS_STYLE_TEXT_ALIGN_MOZ_LEFT) {
|
|
align = NS_STYLE_TEXT_ALIGN_END;
|
|
} else if (align == NS_STYLE_TEXT_ALIGN_RIGHT ||
|
|
align == NS_STYLE_TEXT_ALIGN_MOZ_RIGHT) {
|
|
align = NS_STYLE_TEXT_ALIGN_DEFAULT;
|
|
}
|
|
}
|
|
switch (align) {
|
|
case NS_STYLE_TEXT_ALIGN_END:
|
|
mLegendRect.IStart(wm) =
|
|
innerContentRect.IEnd(wm) - mLegendRect.ISize(wm);
|
|
break;
|
|
case NS_STYLE_TEXT_ALIGN_CENTER:
|
|
case NS_STYLE_TEXT_ALIGN_MOZ_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;
|
|
default:
|
|
mLegendRect.IStart(wm) = innerContentRect.IStart(wm);
|
|
break;
|
|
}
|
|
} 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) +
|
|
aReflowState.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 =
|
|
legendReflowState->ComputedLogicalOffsets().
|
|
ConvertTo(wm, legendReflowState->GetWritingMode());
|
|
nsHTMLReflowState::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, aReflowState, aStatus);
|
|
|
|
InvalidateFrame();
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, 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 aWritingMode) const
|
|
{
|
|
nsIFrame* inner = GetInner();
|
|
return inner->BStart(aWritingMode, GetParent()->GetSize()) +
|
|
inner->GetLogicalBaseline(aWritingMode);
|
|
}
|