/* 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 "nsTableRowFrame.h" #include #include "mozilla/Baseline.h" #include "mozilla/ComputedStyle.h" #include "mozilla/Maybe.h" #include "mozilla/PresShell.h" #include "mozilla/ReflowInput.h" #include "mozilla/StaticPrefs_layout.h" #include "nsCSSRendering.h" #include "nsDisplayList.h" #include "nsHTMLParts.h" #include "nsIContent.h" #include "nsIFrame.h" #include "nsIFrameInlines.h" #include "nsPresContext.h" #include "nsStyleConsts.h" #include "nsTableCellFrame.h" #include "nsTableColFrame.h" #include "nsTableColGroupFrame.h" #include "nsTableFrame.h" #include "nsTableRowGroupFrame.h" #ifdef ACCESSIBILITY # include "nsAccessibilityService.h" #endif using namespace mozilla; namespace mozilla { struct TableCellReflowInput : public ReflowInput { TableCellReflowInput(nsPresContext* aPresContext, const ReflowInput& aParentReflowInput, nsIFrame* aFrame, const LogicalSize& aAvailableSpace, ReflowInput::InitFlags aFlags = {}) : ReflowInput(aPresContext, aParentReflowInput, aFrame, aAvailableSpace, Nothing(), aFlags) {} void FixUp(const LogicalSize& aAvailSpace); }; } // namespace mozilla void TableCellReflowInput::FixUp(const LogicalSize& aAvailSpace) { // fix the mComputed values during a pass 2 reflow since the cell can be a // percentage base NS_WARNING_ASSERTION( NS_UNCONSTRAINEDSIZE != aAvailSpace.ISize(mWritingMode), "have unconstrained inline-size; this should only result from very large " "sizes, not attempts at intrinsic inline size calculation"); if (NS_UNCONSTRAINEDSIZE != ComputedISize()) { nscoord computedISize = aAvailSpace.ISize(mWritingMode) - ComputedLogicalBorderPadding(mWritingMode).IStartEnd(mWritingMode); computedISize = std::max(0, computedISize); SetComputedISize(computedISize); } if (NS_UNCONSTRAINEDSIZE != ComputedBSize() && NS_UNCONSTRAINEDSIZE != aAvailSpace.BSize(mWritingMode)) { nscoord computedBSize = aAvailSpace.BSize(mWritingMode) - ComputedLogicalBorderPadding(mWritingMode).BStartEnd(mWritingMode); computedBSize = std::max(0, computedBSize); SetComputedBSize(computedBSize); } } void nsTableRowFrame::InitChildReflowInput(nsPresContext& aPresContext, const LogicalSize& aAvailSize, bool aBorderCollapse, TableCellReflowInput& aReflowInput) { Maybe collapseBorder; if (aBorderCollapse) { // we only reflow cells, so don't need to check frame type nsBCTableCellFrame* bcCellFrame = (nsBCTableCellFrame*)aReflowInput.mFrame; if (bcCellFrame) { collapseBorder.emplace( bcCellFrame->GetBorderWidth(aReflowInput.GetWritingMode())); } } aReflowInput.Init(&aPresContext, Nothing(), collapseBorder); aReflowInput.FixUp(aAvailSize); } void nsTableRowFrame::SetFixedBSize(nscoord aValue) { nscoord bsize = std::max(0, aValue); if (HasFixedBSize()) { if (bsize > mStyleFixedBSize) { mStyleFixedBSize = bsize; } } else { mStyleFixedBSize = bsize; if (bsize > 0) { SetHasFixedBSize(true); } } } void nsTableRowFrame::SetPctBSize(float aPctValue, bool aForce) { nscoord bsize = std::max(0, NSToCoordRound(aPctValue * 100.0f)); if (HasPctBSize()) { if ((bsize > mStylePctBSize) || aForce) { mStylePctBSize = bsize; } } else { mStylePctBSize = bsize; if (bsize > 0) { SetHasPctBSize(true); } } } /* ----------- nsTableRowFrame ---------- */ NS_QUERYFRAME_HEAD(nsTableRowFrame) NS_QUERYFRAME_ENTRY(nsTableRowFrame) NS_QUERYFRAME_TAIL_INHERITING(nsContainerFrame) nsTableRowFrame::nsTableRowFrame(ComputedStyle* aStyle, nsPresContext* aPresContext, ClassID aID) : nsContainerFrame(aStyle, aPresContext, aID) { mBits.mRowIndex = 0; mBits.mHasFixedBSize = 0; mBits.mHasPctBSize = 0; mBits.mFirstInserted = 0; ResetBSize(); } nsTableRowFrame::~nsTableRowFrame() = default; void nsTableRowFrame::Init(nsIContent* aContent, nsContainerFrame* aParent, nsIFrame* aPrevInFlow) { // Let the base class do its initialization nsContainerFrame::Init(aContent, aParent, aPrevInFlow); NS_ASSERTION(mozilla::StyleDisplay::TableRow == StyleDisplay()->mDisplay, "wrong display on table row frame"); if (aPrevInFlow) { // Set the row index nsTableRowFrame* rowFrame = (nsTableRowFrame*)aPrevInFlow; SetRowIndex(rowFrame->GetRowIndex()); } else { mWritingMode = GetTableFrame()->GetWritingMode(); } } void nsTableRowFrame::Destroy(DestroyContext& aContext) { nsTableFrame::MaybeUnregisterPositionedTablePart(this); nsContainerFrame::Destroy(aContext); } /* virtual */ void nsTableRowFrame::DidSetComputedStyle(ComputedStyle* aOldComputedStyle) { nsContainerFrame::DidSetComputedStyle(aOldComputedStyle); nsTableFrame::PositionedTablePartMaybeChanged(this, aOldComputedStyle); if (!aOldComputedStyle) { return; // avoid the following on init } #ifdef ACCESSIBILITY if (nsAccessibilityService* accService = GetAccService()) { // If a table row's background color is now different from // the background color of its previous row, it is possible our // table now has alternating row colors. This changes whether or not // the table is classified as a layout table or data table. // We invalidate on every background color change to avoid // walking the tree in search of the nearest row. if (StyleBackground()->BackgroundColor(this) != aOldComputedStyle->StyleBackground()->BackgroundColor( aOldComputedStyle)) { // We send a notification here to invalidate the a11y cache on the // table so the next fetch of IsProbablyLayoutTable() is accurate. accService->TableLayoutGuessMaybeChanged(PresShell(), mContent); } } #endif nsTableFrame* tableFrame = GetTableFrame(); if (tableFrame->IsBorderCollapse() && tableFrame->BCRecalcNeeded(aOldComputedStyle, Style())) { TableArea damageArea(0, GetRowIndex(), tableFrame->GetColCount(), 1); tableFrame->AddBCDamageArea(damageArea); } } void nsTableRowFrame::AppendFrames(ChildListID aListID, nsFrameList&& aFrameList) { NS_ASSERTION(aListID == FrameChildListID::Principal, "unexpected child list"); DrainSelfOverflowList(); // ensure the last frame is in mFrames const nsFrameList::Slice& newCells = mFrames.AppendFrames(nullptr, std::move(aFrameList)); // Add the new cell frames to the table nsTableFrame* tableFrame = GetTableFrame(); for (nsIFrame* childFrame : newCells) { NS_ASSERTION(childFrame->IsTableCellFrame(), "Not a table cell frame/pseudo frame construction failure"); tableFrame->AppendCell(static_cast(*childFrame), GetRowIndex()); } PresShell()->FrameNeedsReflow(this, IntrinsicDirty::FrameAndAncestors, NS_FRAME_HAS_DIRTY_CHILDREN); tableFrame->SetGeometryDirty(); } void nsTableRowFrame::InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame, const nsLineList::iterator* aPrevFrameLine, nsFrameList&& aFrameList) { NS_ASSERTION(aListID == FrameChildListID::Principal, "unexpected child list"); NS_ASSERTION(!aPrevFrame || aPrevFrame->GetParent() == this, "inserting after sibling frame with different parent"); if (mFrames.IsEmpty() || (aPrevFrame && !aPrevFrame->GetNextSibling())) { // This is actually an append (though our caller didn't figure that out), // and our append codepath is both simpler/faster _and_ less buggy. // https://bugzilla.mozilla.org/show_bug.cgi?id=1388898 tracks the bugginess AppendFrames(aListID, std::move(aFrameList)); return; } DrainSelfOverflowList(); // ensure aPrevFrame is in mFrames // Insert Frames in the frame list const nsFrameList::Slice& newCells = mFrames.InsertFrames(nullptr, aPrevFrame, std::move(aFrameList)); nsTableCellFrame* prevCellFrame = static_cast(nsTableFrame::GetFrameAtOrBefore( this, aPrevFrame, LayoutFrameType::TableCell)); nsTArray cellChildren; for (nsIFrame* childFrame : newCells) { NS_ASSERTION(childFrame->IsTableCellFrame(), "Not a table cell frame/pseudo frame construction failure"); cellChildren.AppendElement(static_cast(childFrame)); } // insert the cells into the cell map int32_t colIndex = -1; if (prevCellFrame) { colIndex = prevCellFrame->ColIndex(); } nsTableFrame* tableFrame = GetTableFrame(); tableFrame->InsertCells(cellChildren, GetRowIndex(), colIndex); PresShell()->FrameNeedsReflow(this, IntrinsicDirty::FrameAndAncestors, NS_FRAME_HAS_DIRTY_CHILDREN); tableFrame->SetGeometryDirty(); } void nsTableRowFrame::RemoveFrame(DestroyContext& aContext, ChildListID aListID, nsIFrame* aOldFrame) { NS_ASSERTION(aListID == FrameChildListID::Principal, "unexpected child list"); MOZ_ASSERT((nsTableCellFrame*)do_QueryFrame(aOldFrame)); auto* cellFrame = static_cast(aOldFrame); // remove the cell from the cell map nsTableFrame* tableFrame = GetTableFrame(); tableFrame->RemoveCell(cellFrame, GetRowIndex()); // Remove the frame and destroy it mFrames.DestroyFrame(aContext, aOldFrame); PresShell()->FrameNeedsReflow(this, IntrinsicDirty::FrameAndAncestors, NS_FRAME_HAS_DIRTY_CHILDREN); tableFrame->SetGeometryDirty(); } /* virtual */ nsMargin nsTableRowFrame::GetUsedMargin() const { return nsMargin(0, 0, 0, 0); } /* virtual */ nsMargin nsTableRowFrame::GetUsedBorder() const { return nsMargin(0, 0, 0, 0); } /* virtual */ nsMargin nsTableRowFrame::GetUsedPadding() const { return nsMargin(0, 0, 0, 0); } static nscoord GetBSizeOfRowsSpannedBelowFirst( nsTableCellFrame& aTableCellFrame, nsTableFrame& aTableFrame, const WritingMode aWM) { nscoord bsize = 0; int32_t rowSpan = aTableFrame.GetEffectiveRowSpan(aTableCellFrame); // add in bsize of rows spanned beyond the 1st one nsIFrame* nextRow = aTableCellFrame.GetParent()->GetNextSibling(); for (int32_t rowX = 1; ((rowX < rowSpan) && nextRow);) { if (nextRow->IsTableRowFrame()) { bsize += nextRow->BSize(aWM); rowX++; } bsize += aTableFrame.GetRowSpacing(rowX); nextRow = nextRow->GetNextSibling(); } return bsize; } /** * Post-reflow hook. This is where the table row does its post-processing */ void nsTableRowFrame::DidResize(ForceAlignTopForTableCell aForceAlignTop) { // Resize and re-align the cell frames based on our row bsize nsTableFrame* tableFrame = GetTableFrame(); WritingMode wm = GetWritingMode(); ReflowOutput desiredSize(wm); desiredSize.SetSize(wm, GetLogicalSize(wm)); desiredSize.SetOverflowAreasToDesiredBounds(); nsSize containerSize = mRect.Size(); for (nsTableCellFrame* cellFrame = GetFirstCell(); cellFrame; cellFrame = cellFrame->GetNextCell()) { nscoord cellBSize = BSize(wm) + GetBSizeOfRowsSpannedBelowFirst( *cellFrame, *tableFrame, wm); // If the bsize for the cell has changed, we need to reset it; // and in vertical-rl mode, we need to update the cell's block position // to account for the containerSize, which may not have been known // earlier, so we always apply it here. LogicalSize cellSize = cellFrame->GetLogicalSize(wm); if (cellSize.BSize(wm) != cellBSize || wm.IsVerticalRL()) { nsRect cellOldRect = cellFrame->GetRect(); nsRect cellInkOverflow = cellFrame->InkOverflowRect(); if (wm.IsVerticalRL()) { // Get the old position of the cell, as we want to preserve its // inline coordinate. LogicalPoint oldPos = cellFrame->GetLogicalPosition(wm, containerSize); // The cell should normally be aligned with the row's block-start, // so set the B component of the position to zero: LogicalPoint newPos(wm, oldPos.I(wm), 0); // ...unless relative positioning is in effect, in which case the // cell may have been moved away from the row's block-start if (cellFrame->IsRelativelyOrStickyPositioned()) { // Find out where the cell would have been without relative // positioning. LogicalPoint oldNormalPos = cellFrame->GetLogicalNormalPosition(wm, containerSize); // The difference (if any) between oldPos and oldNormalPos reflects // relative positioning that was applied to the cell, and which we // need to incorporate when resetting the position. newPos.B(wm) = oldPos.B(wm) - oldNormalPos.B(wm); } if (oldPos != newPos) { cellFrame->SetPosition(wm, newPos, containerSize); } } cellSize.BSize(wm) = cellBSize; cellFrame->SetSize(wm, cellSize); if (tableFrame->IsBorderCollapse()) { nsTableFrame::InvalidateTableFrame(cellFrame, cellOldRect, cellInkOverflow, false); } } // realign cell content based on the new bsize. We might be able to // skip this if the bsize didn't change... maybe. Hard to tell. cellFrame->AlignChildWithinCell(mMaxCellAscent, aForceAlignTop); // Always store the overflow, even if the height didn't change, since // we'll lose part of our overflow area otherwise. ConsiderChildOverflow(desiredSize.mOverflowAreas, cellFrame); // Note that if the cell's *content* needs to change in response // to this height, it will get a special bsize reflow. } FinishAndStoreOverflow(&desiredSize); // Let our base class do the usual work } // returns max-ascent amongst all cells that have 'vertical-align: baseline' // *including* cells with rowspans nscoord nsTableRowFrame::GetMaxCellAscent() const { return mMaxCellAscent; } Maybe nsTableRowFrame::GetRowBaseline(WritingMode aWM) { if (mMaxCellAscent) { return Some(mMaxCellAscent); } // If we get here, we don't have a baseline on any of the cells in this row. nscoord ascent = 0; for (nsIFrame* childFrame : mFrames) { MOZ_ASSERT(childFrame->IsTableCellFrame()); nscoord s = Baseline::SynthesizeBOffsetFromContentBox( childFrame, aWM, BaselineSharingGroup::First); ascent = std::max(ascent, s); } return Some(ascent); } nscoord nsTableRowFrame::GetInitialBSize(nscoord aPctBasis) const { nscoord bsize = 0; if ((aPctBasis > 0) && HasPctBSize()) { bsize = NSToCoordRound(GetPctBSize() * (float)aPctBasis); } if (HasFixedBSize()) { bsize = std::max(bsize, GetFixedBSize()); } return std::max(bsize, GetContentBSize()); } void nsTableRowFrame::ResetBSize() { SetHasFixedBSize(false); SetHasPctBSize(false); SetFixedBSize(0); SetPctBSize(0); SetContentBSize(0); mMaxCellAscent = 0; mMaxCellDescent = 0; } void nsTableRowFrame::UpdateBSize(nscoord aBSize, nsTableFrame* aTableFrame, nsTableCellFrame* aCellFrame) { if (!aTableFrame || !aCellFrame) { MOZ_ASSERT_UNREACHABLE("Invalid call"); return; } if (aBSize == NS_UNCONSTRAINEDSIZE) { return; } if (GetInitialBSize() < aBSize && aTableFrame->GetEffectiveRowSpan(*aCellFrame) == 1) { SetContentBSize(aBSize); } if (aCellFrame->HasTableCellAlignmentBaseline()) { if (auto ascent = aCellFrame->GetCellBaseline()) { // see if this is a long ascender if (mMaxCellAscent < *ascent) { mMaxCellAscent = *ascent; } nscoord descent = aBSize - *ascent; if (mMaxCellDescent < descent && aTableFrame->GetEffectiveRowSpan(*aCellFrame) == 1) { mMaxCellDescent = descent; } } } } nscoord nsTableRowFrame::CalcBSize(const ReflowInput& aReflowInput) { nsTableFrame* tableFrame = GetTableFrame(); ResetBSize(); const nscoord computedBSize = aReflowInput.ComputedBSize(); if (computedBSize != NS_UNCONSTRAINEDSIZE && computedBSize > 0) { SetFixedBSize(computedBSize); } WritingMode wm = aReflowInput.GetWritingMode(); const nsStylePosition* position = StylePosition(); const auto bsizeStyleCoord = position->BSize(wm, AnchorPosResolutionParams::From(this)); if (bsizeStyleCoord->ConvertsToLength()) { SetFixedBSize(bsizeStyleCoord->ToLength()); } else if (bsizeStyleCoord->ConvertsToPercentage()) { SetPctBSize(bsizeStyleCoord->ToPercentage()); } for (nsTableCellFrame* kidFrame = GetFirstCell(); kidFrame; kidFrame = kidFrame->GetNextCell()) { MOZ_ASSERT(kidFrame->GetWritingMode() == wm); LogicalSize desSize = kidFrame->GetDesiredSize(); if (NS_UNCONSTRAINEDSIZE == aReflowInput.AvailableBSize() && !GetPrevInFlow()) { desSize.BSize(wm) = CalcCellActualBSize(kidFrame, desSize.BSize(wm), wm); } UpdateBSize(desSize.BSize(wm), tableFrame, kidFrame); } return GetInitialBSize(); } void nsTableRowFrame::PaintCellBackgroundsForFrame( nsIFrame* aFrame, nsDisplayListBuilder* aBuilder, const nsDisplayListSet& aLists, const nsPoint& aOffset) { // Compute background rect by iterating all cell frame. const nsPoint toReferenceFrame = aBuilder->ToReferenceFrame(aFrame); for (nsTableCellFrame* cell = GetFirstCell(); cell; cell = cell->GetNextCell()) { if (!cell->ShouldPaintBackground(aBuilder)) { continue; } auto cellRect = cell->GetRectRelativeToSelf() + cell->GetNormalPosition() + aOffset; if (!aBuilder->GetDirtyRect().Intersects(cellRect)) { continue; } cellRect += toReferenceFrame; nsDisplayBackgroundImage::AppendBackgroundItemsToTop( aBuilder, aFrame, cellRect, aLists.BorderBackground(), true, aFrame->GetRectRelativeToSelf() + toReferenceFrame, cell); } } void nsTableRowFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder, const nsDisplayListSet& aLists) { DisplayOutsetBoxShadow(aBuilder, aLists.BorderBackground()); PaintCellBackgroundsForFrame(this, aBuilder, aLists); DisplayInsetBoxShadow(aBuilder, aLists.BorderBackground()); DisplayOutline(aBuilder, aLists); if (mFrames.IsEmpty() || HidesContent()) { return; } for (nsIFrame* kid : mFrames) { BuildDisplayListForChild(aBuilder, kid, aLists); } } LogicalSides nsTableRowFrame::GetLogicalSkipSides() const { LogicalSides skip(mWritingMode); if (MOZ_UNLIKELY(StyleBorder()->mBoxDecorationBreak == StyleBoxDecorationBreak::Clone)) { return skip; } if (GetPrevInFlow()) { skip += LogicalSide::BStart; } if (GetNextInFlow()) { skip += LogicalSide::BEnd; } return skip; } nscoord nsTableRowFrame::CalcCellActualBSize(nsTableCellFrame* aCellFrame, const nscoord& aDesiredBSize, WritingMode aWM) { nscoord specifiedBSize = 0; // Get the bsize specified in the style information const nsStylePosition* position = aCellFrame->StylePosition(); int32_t rowSpan = GetTableFrame()->GetEffectiveRowSpan(*aCellFrame); const auto bsizeStyleCoord = position->BSize(aWM, AnchorPosResolutionParams::From(aCellFrame)); if (bsizeStyleCoord->ConvertsToLength()) { // In quirks mode, table cell bsize should always be border-box. // https://quirks.spec.whatwg.org/#the-table-cell-height-box-sizing-quirk specifiedBSize = bsizeStyleCoord->ToLength(); if (PresContext()->CompatibilityMode() != eCompatibility_NavQuirks && position->mBoxSizing == StyleBoxSizing::ContentBox) { specifiedBSize += aCellFrame->GetLogicalUsedBorderAndPadding(aWM).BStartEnd(aWM); } if (1 == rowSpan) { SetFixedBSize(specifiedBSize); } } else if (bsizeStyleCoord->ConvertsToPercentage()) { if (1 == rowSpan) { SetPctBSize(bsizeStyleCoord->ToPercentage()); } } // If the specified bsize is greater than the desired bsize, // then use the specified bsize return std::max(specifiedBSize, aDesiredBSize); } // Calculates the available isize for the table cell based on the known // column isizes taking into account column spans and column spacing static nscoord CalcAvailISize(nsTableFrame& aTableFrame, nsTableCellFrame& aCellFrame) { nscoord cellAvailISize = 0; uint32_t colIndex = aCellFrame.ColIndex(); int32_t colspan = aTableFrame.GetEffectiveColSpan(aCellFrame); NS_ASSERTION(colspan > 0, "effective colspan should be positive"); nsTableFrame* fifTable = static_cast(aTableFrame.FirstInFlow()); for (int32_t spanX = 0; spanX < colspan; spanX++) { cellAvailISize += fifTable->GetColumnISizeFromFirstInFlow(colIndex + spanX); if (spanX > 0 && aTableFrame.ColumnHasCellSpacingBefore(colIndex + spanX)) { cellAvailISize += aTableFrame.GetColSpacing(colIndex + spanX - 1); } } return cellAvailISize; } static nscoord GetSpaceBetween(int32_t aPrevColIndex, int32_t aColIndex, int32_t aColSpan, nsTableFrame& aTableFrame, bool aCheckVisibility) { nscoord space = 0; int32_t colIdx; nsTableFrame* fifTable = static_cast(aTableFrame.FirstInFlow()); for (colIdx = aPrevColIndex + 1; aColIndex > colIdx; colIdx++) { bool isCollapsed = false; if (!aCheckVisibility) { space += fifTable->GetColumnISizeFromFirstInFlow(colIdx); } else { nsTableColFrame* colFrame = aTableFrame.GetColFrame(colIdx); const nsStyleVisibility* colVis = colFrame->StyleVisibility(); bool collapseCol = StyleVisibility::Collapse == colVis->mVisible; nsIFrame* cgFrame = colFrame->GetParent(); const nsStyleVisibility* groupVis = cgFrame->StyleVisibility(); bool collapseGroup = StyleVisibility::Collapse == groupVis->mVisible; isCollapsed = collapseCol || collapseGroup; if (!isCollapsed) { space += fifTable->GetColumnISizeFromFirstInFlow(colIdx); } } if (!isCollapsed && aTableFrame.ColumnHasCellSpacingBefore(colIdx)) { space += aTableFrame.GetColSpacing(colIdx - 1); } } return space; } // subtract the bsizes of aRow's prev in flows from the unpaginated bsize static nscoord CalcBSizeFromUnpaginatedBSize(nsTableRowFrame& aRow, WritingMode aWM) { nscoord bsize = 0; nsTableRowFrame* firstInFlow = static_cast(aRow.FirstInFlow()); if (firstInFlow->HasUnpaginatedBSize()) { bsize = firstInFlow->GetUnpaginatedBSize(); for (nsIFrame* prevInFlow = aRow.GetPrevInFlow(); prevInFlow; prevInFlow = prevInFlow->GetPrevInFlow()) { bsize -= prevInFlow->BSize(aWM); } } return std::max(bsize, 0); } void nsTableRowFrame::ReflowChildren(nsPresContext* aPresContext, ReflowOutput& aDesiredSize, const ReflowInput& aReflowInput, nsTableFrame& aTableFrame, nsReflowStatus& aStatus) { aStatus.Reset(); // XXXldb Should we be checking constrained bsize instead? const bool isPaginated = aPresContext->IsPaginated(); const bool borderCollapse = aTableFrame.IsBorderCollapse(); int32_t cellColSpan = 1; // must be defined here so it's set properly for non-cell kids // remember the col index of the previous cell to handle rowspans into this // row int32_t prevColIndex = -1; nscoord iCoord = 0; // running total of children inline-coord offset // This computes the max of all cell bsizes nscoord cellMaxBSize = 0; // Reflow each of our existing cell frames WritingMode wm = aReflowInput.GetWritingMode(); nsSize containerSize = aReflowInput.ComputedSizeAsContainerIfConstrained(); bool hasOrthogonalCell = false; for (nsTableCellFrame* kidFrame = GetFirstCell(); kidFrame; kidFrame = kidFrame->GetNextCell()) { // If we have any cells with orthogonal content, we'll need to handle them // later; record the presence of any such cells. if (kidFrame->Inner()->GetWritingMode().IsOrthogonalTo(wm)) { hasOrthogonalCell = true; } // See if we should only reflow the dirty child frames bool doReflowChild = true; if (!aReflowInput.ShouldReflowAllKids() && !aTableFrame.IsGeometryDirty() && !kidFrame->IsSubtreeDirty()) { if (!aReflowInput.mFlags.mSpecialBSizeReflow) { doReflowChild = false; } } else if (NS_UNCONSTRAINEDSIZE != aReflowInput.AvailableBSize()) { // We don't reflow a rowspan >1 cell here with a constrained bsize. // That happens in nsTableRowGroupFrame::SplitSpanningCells. if (aTableFrame.GetEffectiveRowSpan(*kidFrame) > 1) { doReflowChild = false; } } if (aReflowInput.mFlags.mSpecialBSizeReflow && !isPaginated && !kidFrame->HasAnyStateBits(NS_FRAME_CONTAINS_RELATIVE_BSIZE)) { continue; } uint32_t cellColIndex = kidFrame->ColIndex(); cellColSpan = aTableFrame.GetEffectiveColSpan(*kidFrame); // If the adjacent cell is in a prior row (because of a rowspan) add in the // space NOTE: prevColIndex can be -1 here. if (prevColIndex != (static_cast(cellColIndex) - 1)) { iCoord += GetSpaceBetween(prevColIndex, cellColIndex, cellColSpan, aTableFrame, false); } // remember the rightmost (ltr) or leftmost (rtl) column this cell spans // into prevColIndex = cellColIndex + (cellColSpan - 1); // Reflow the child frame nsRect kidRect = kidFrame->GetRect(); LogicalPoint origKidNormalPosition = kidFrame->GetLogicalNormalPosition(wm, containerSize); nsRect kidInkOverflow = kidFrame->InkOverflowRect(); LogicalPoint kidPosition(wm, iCoord, 0); bool firstReflow = kidFrame->HasAnyStateBits(NS_FRAME_FIRST_REFLOW); if (doReflowChild) { // Calculate the available isize for the table cell using the known // column isizes nscoord availCellISize = CalcAvailISize(aTableFrame, *kidFrame); Maybe kidReflowInput; ReflowOutput desiredSize(aReflowInput); // If the avail isize is not the same as last time we reflowed the cell or // the cell wants to be bigger than what was available last time or // it is a style change reflow or we are printing, then we must reflow the // cell. Otherwise we can skip the reflow. // XXXldb Why is this condition distinct from doReflowChild above? NS_ASSERTION(kidFrame->GetWritingMode() == wm, "expected consistent writing-mode within table"); LogicalSize cellDesiredSize = kidFrame->GetDesiredSize(); if (availCellISize != kidFrame->GetPriorAvailISize() || cellDesiredSize.ISize(wm) > kidFrame->GetPriorAvailISize() || HasAnyStateBits(NS_FRAME_IS_DIRTY) || isPaginated || kidFrame->IsSubtreeDirty() || // See if it needs a special reflow, or if it had one that we need to // undo. kidFrame->HasAnyStateBits(NS_FRAME_CONTAINS_RELATIVE_BSIZE) || kidFrame->BCBordersChanged() || HasPctBSize()) { // Reflow the cell to fit the available isize, bsize // XXX The old IR_ChildIsDirty code used availCellISize here. LogicalSize kidAvailSize(wm, availCellISize, aReflowInput.AvailableBSize()); // Reflow the child kidReflowInput.emplace(aPresContext, aReflowInput, kidFrame, kidAvailSize, ReflowInput::InitFlag::CallerWillInit); InitChildReflowInput(*aPresContext, kidAvailSize, borderCollapse, *kidReflowInput); nsReflowStatus status; ReflowChild(kidFrame, aPresContext, desiredSize, *kidReflowInput, wm, kidPosition, containerSize, ReflowChildFlags::Default, status); // allow the table to determine if/how the table needs to be rebalanced // If any of the cells are not complete, then we're not complete if (status.IsIncomplete()) { aStatus.Reset(); aStatus.SetIncomplete(); } } else { if (iCoord != origKidNormalPosition.I(wm)) { kidFrame->InvalidateFrameSubtree(); } desiredSize.SetSize(wm, cellDesiredSize); desiredSize.mOverflowAreas = kidFrame->GetOverflowAreas(); } if (NS_UNCONSTRAINEDSIZE == aReflowInput.AvailableBSize()) { if (!GetPrevInFlow()) { desiredSize.BSize(wm) = CalcCellActualBSize(kidFrame, desiredSize.BSize(wm), wm); } // bsize may have changed, adjust descent to absorb any excess // difference UpdateBSize(desiredSize.BSize(wm), &aTableFrame, kidFrame); } else { cellMaxBSize = std::max(cellMaxBSize, desiredSize.BSize(wm)); int32_t rowSpan = aTableFrame.GetEffectiveRowSpan(*kidFrame); if (1 == rowSpan) { SetContentBSize(cellMaxBSize); } } // Place the child desiredSize.ISize(wm) = availCellISize; ReflowChildFlags flags = ReflowChildFlags::Default; if (kidReflowInput) { // We reflowed. Apply relative positioning in the normal way. flags = ReflowChildFlags::ApplyRelativePositioning; } else if (kidFrame->IsRelativelyOrStickyPositioned()) { // We didn't reflow. Do the positioning part of what // MovePositionBy does internally. (This codepath should really // be merged into the else below if we can.) nsMargin* computedOffsetProp = kidFrame->GetProperty(nsIFrame::ComputedOffsetProperty()); // On our fist reflow sticky children may not have the property yet (we // need to reflow the children first to size the scroll frame). LogicalMargin computedOffsets( wm, computedOffsetProp ? *computedOffsetProp : nsMargin()); ReflowInput::ApplyRelativePositioning(kidFrame, wm, computedOffsets, &kidPosition, containerSize); } // In vertical-rl mode, we are likely to have containerSize.width = 0 // because ComputedWidth() was NS_UNCONSTRAINEDSIZE. // For cases where that's wrong, we will fix up the position later. FinishReflowChild(kidFrame, aPresContext, desiredSize, kidReflowInput.ptrOr(nullptr), wm, kidPosition, containerSize, flags); nsTableFrame* tableFrame = GetTableFrame(); if (tableFrame->IsBorderCollapse()) { nsTableFrame::InvalidateTableFrame(kidFrame, kidRect, kidInkOverflow, firstReflow); } iCoord += desiredSize.ISize(wm); } else { if (iCoord != origKidNormalPosition.I(wm)) { // Invalidate the old position kidFrame->InvalidateFrameSubtree(); // Move to the new position. As above, we need to account for relative // positioning. kidFrame->MovePositionBy( wm, LogicalPoint(wm, iCoord - origKidNormalPosition.I(wm), 0)); // invalidate the new position kidFrame->InvalidateFrameSubtree(); } // we need to account for the cell's isize even if it isn't reflowed iCoord += kidFrame->ISize(wm); if (kidFrame->GetNextInFlow()) { aStatus.Reset(); aStatus.SetIncomplete(); } } ConsiderChildOverflow(aDesiredSize.mOverflowAreas, kidFrame); iCoord += aTableFrame.GetColSpacing(cellColIndex); } // Just set our isize to what was available. // The table will calculate the isize and not use our value. aDesiredSize.ISize(wm) = aReflowInput.AvailableISize(); if (aReflowInput.mFlags.mSpecialBSizeReflow) { aDesiredSize.BSize(wm) = BSize(wm); } else if (NS_UNCONSTRAINEDSIZE == aReflowInput.AvailableBSize()) { aDesiredSize.BSize(wm) = CalcBSize(aReflowInput); if (GetPrevInFlow()) { nscoord bsize = CalcBSizeFromUnpaginatedBSize(*this, wm); aDesiredSize.BSize(wm) = std::max(aDesiredSize.BSize(wm), bsize); } else { if (isPaginated && HasStyleBSize()) { // set the unpaginated bsize so next in flows can try to honor it SetUnpaginatedBSize(aDesiredSize.BSize(wm)); } if (isPaginated && HasUnpaginatedBSize()) { aDesiredSize.BSize(wm) = std::max(aDesiredSize.BSize(wm), GetUnpaginatedBSize()); } } } else { // constrained bsize, paginated // Compute the bsize we should have from style (subtracting the // bsize from our prev-in-flows from the style bsize) nscoord styleBSize = CalcBSizeFromUnpaginatedBSize(*this, wm); if (styleBSize > aReflowInput.AvailableBSize()) { styleBSize = aReflowInput.AvailableBSize(); aStatus.SetIncomplete(); } aDesiredSize.BSize(wm) = std::max(cellMaxBSize, styleBSize); } if (wm.IsVerticalRL()) { // Any children whose width was not the same as our final // aDesiredSize.BSize will have been misplaced earlier at the // FinishReflowChild stage. So fix them up now. for (nsIFrame* kidFrame : mFrames) { if (kidFrame->BSize(wm) != aDesiredSize.BSize(wm)) { kidFrame->MovePositionBy( wm, LogicalPoint(wm, 0, kidFrame->BSize(wm) - aDesiredSize.BSize(wm))); // Do we need to InvalidateFrameSubtree() here? } } } aDesiredSize.UnionOverflowAreasWithDesiredBounds(); FinishAndStoreOverflow(&aDesiredSize); if (hasOrthogonalCell) { for (nsTableCellFrame* kidFrame = GetFirstCell(); kidFrame; kidFrame = kidFrame->GetNextCell()) { if (kidFrame->Inner()->GetWritingMode().IsOrthogonalTo(wm)) { LogicalSize kidAvailSize(wm, kidFrame->GetRectRelativeToSelf().Size()); kidAvailSize.BSize(wm) = aDesiredSize.BSize(wm); // Reflow the child TableCellReflowInput kidReflowInput( aPresContext, aReflowInput, kidFrame, kidAvailSize, ReflowInput::InitFlag::CallerWillInit); kidReflowInput.mFlags.mOrthogonalCellFinalReflow = true; InitChildReflowInput(*aPresContext, kidAvailSize, borderCollapse, kidReflowInput); nsReflowStatus status; ReflowOutput reflowOutput(wm); ReflowChild(kidFrame, aPresContext, reflowOutput, kidReflowInput, wm, kidFrame->GetLogicalPosition(containerSize), containerSize, ReflowChildFlags::Default, status); } } } } /** Layout the entire row. * This method stacks cells in the inline dir according to HTML 4.0 rules. */ void nsTableRowFrame::Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize, const ReflowInput& aReflowInput, nsReflowStatus& aStatus) { MarkInReflow(); DO_GLOBAL_REFLOW_COUNT("nsTableRowFrame"); MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!"); WritingMode wm = aReflowInput.GetWritingMode(); nsTableFrame* tableFrame = GetTableFrame(); const nsStyleVisibility* rowVis = StyleVisibility(); bool collapseRow = StyleVisibility::Collapse == rowVis->mVisible; if (collapseRow) { tableFrame->SetNeedToCollapse(true); } // see if a special bsize reflow needs to occur due to having a pct bsize nsTableFrame::CheckRequestSpecialBSizeReflow(aReflowInput); // See if we have a cell with specified/pct bsize InitHasCellWithStyleBSize(tableFrame); ReflowChildren(aPresContext, aDesiredSize, aReflowInput, *tableFrame, aStatus); if (aPresContext->IsPaginated() && !aStatus.IsFullyComplete() && ShouldAvoidBreakInside(aReflowInput)) { aStatus.SetInlineLineBreakBeforeAndReset(); } // Just set our isize to what was available. // The table will calculate the isize and not use our value. aDesiredSize.ISize(wm) = aReflowInput.AvailableISize(); // If our parent is in initial reflow, it'll handle invalidating our // entire overflow rect. if (!GetParent()->HasAnyStateBits(NS_FRAME_FIRST_REFLOW) && nsSize(aDesiredSize.Width(), aDesiredSize.Height()) != mRect.Size()) { InvalidateFrame(); } // Any absolutely-positioned children will get reflowed in // nsIFrame::FixupPositionedTableParts in another pass, so propagate our // dirtiness to them before our parent clears our dirty bits. PushDirtyBitToAbsoluteFrames(); } nscoord nsTableRowFrame::ReflowCellFrame(nsPresContext* aPresContext, const ReflowInput& aReflowInput, bool aIsTopOfPage, nsTableCellFrame* aCellFrame, nscoord aAvailableBSize, nsReflowStatus& aStatus) { MOZ_ASSERT(aPresContext->IsPaginated(), "ReflowCellFrame currently supports only paged media!"); MOZ_ASSERT(aAvailableBSize != NS_UNCONSTRAINEDSIZE, "Why split cell frame if available bsize is unconstrained?"); WritingMode wm = aReflowInput.GetWritingMode(); // Reflow the cell frame with the specified height. Use the existing width nsSize containerSize = aCellFrame->GetSize(); LogicalRect cellRect = aCellFrame->GetLogicalRect(wm, containerSize); nsRect cellInkOverflow = aCellFrame->InkOverflowRect(); LogicalSize cellSize = cellRect.Size(wm); LogicalSize availSize(wm, cellRect.ISize(wm), aAvailableBSize); bool borderCollapse = GetTableFrame()->IsBorderCollapse(); NS_ASSERTION(aCellFrame->GetWritingMode() == wm, "expected consistent writing-mode within table"); TableCellReflowInput cellReflowInput(aPresContext, aReflowInput, aCellFrame, availSize, ReflowInput::InitFlag::CallerWillInit); InitChildReflowInput(*aPresContext, availSize, borderCollapse, cellReflowInput); cellReflowInput.mFlags.mIsTopOfPage = aIsTopOfPage; ReflowOutput desiredSize(aReflowInput); ReflowChild(aCellFrame, aPresContext, desiredSize, cellReflowInput, 0, 0, ReflowChildFlags::NoMoveFrame, aStatus); const bool isTruncated = aAvailableBSize < desiredSize.BSize(wm) && !aIsTopOfPage; // XXX Is !aIsTopOfPage check really necessary? const bool isCompleteAndNotTruncated = aStatus.IsComplete() && !isTruncated; if (isCompleteAndNotTruncated) { desiredSize.BSize(wm) = aAvailableBSize; } aCellFrame->SetSize( wm, LogicalSize(wm, cellSize.ISize(wm), desiredSize.BSize(wm))); // Note: AlignChildWithinCell can affect the overflow rect. // XXX What happens if this cell has 'vertical-align: baseline' ? // XXX Why is it assumed that the cell's ascent hasn't changed ? if (isCompleteAndNotTruncated) { aCellFrame->AlignChildWithinCell(mMaxCellAscent, ForceAlignTopForTableCell::Yes); } nsTableFrame::InvalidateTableFrame( aCellFrame, cellRect.GetPhysicalRect(wm, containerSize), cellInkOverflow, aCellFrame->HasAnyStateBits(NS_FRAME_FIRST_REFLOW)); aCellFrame->DidReflow(aPresContext, nullptr); return desiredSize.BSize(wm); } nscoord nsTableRowFrame::CollapseRowIfNecessary(nscoord aRowOffset, nscoord aISize, bool aCollapseGroup, bool& aDidCollapse) { const nsStyleVisibility* rowVis = StyleVisibility(); bool collapseRow = StyleVisibility::Collapse == rowVis->mVisible; nsTableFrame* tableFrame = static_cast(GetTableFrame()->FirstInFlow()); if (collapseRow) { tableFrame->SetNeedToCollapse(true); } if (aRowOffset != 0) { // We're moving, so invalidate our old position InvalidateFrameSubtree(); } WritingMode wm = GetWritingMode(); nsSize parentSize = GetParent()->GetSize(); LogicalRect rowRect = GetLogicalRect(wm, parentSize); nsRect oldRect = mRect; nsRect oldInkOverflow = InkOverflowRect(); rowRect.BStart(wm) -= aRowOffset; rowRect.ISize(wm) = aISize; OverflowAreas overflow; nscoord shift = 0; nsSize containerSize = mRect.Size(); if (aCollapseGroup || collapseRow) { aDidCollapse = true; shift = rowRect.BSize(wm); nsTableCellFrame* cellFrame = GetFirstCell(); if (cellFrame) { uint32_t rowIndex = cellFrame->RowIndex(); shift += tableFrame->GetRowSpacing(rowIndex); while (cellFrame) { LogicalRect cRect = cellFrame->GetLogicalRect(wm, containerSize); // If aRowOffset != 0, there's no point in invalidating the cells, since // we've already invalidated our overflow area. Note that we _do_ still // need to invalidate if our row is not moving, because the cell might // span out of this row, so invalidating our row rect won't do enough. if (aRowOffset == 0) { InvalidateFrame(); } cRect.BSize(wm) = 0; cellFrame->SetRect(wm, cRect, containerSize); cellFrame = cellFrame->GetNextCell(); } } else { shift += tableFrame->GetRowSpacing(GetRowIndex()); } rowRect.BSize(wm) = 0; } else { // row is not collapsed // remember the col index of the previous cell to handle rowspans into this // row int32_t prevColIndex = -1; nscoord iPos = 0; // running total of children inline-axis offset nsTableFrame* fifTable = static_cast(tableFrame->FirstInFlow()); for (nsTableCellFrame* cellFrame = GetFirstCell(); cellFrame; cellFrame = cellFrame->GetNextCell()) { uint32_t cellColIndex = cellFrame->ColIndex(); int32_t cellColSpan = tableFrame->GetEffectiveColSpan(*cellFrame); // If the adjacent cell is in a prior row (because of a rowspan) add in // the space // NOTE: prevColIndex can be -1 here. if (prevColIndex != (static_cast(cellColIndex) - 1)) { iPos += GetSpaceBetween(prevColIndex, cellColIndex, cellColSpan, *tableFrame, true); } LogicalRect cRect(wm, iPos, 0, 0, rowRect.BSize(wm)); // remember the last (iend-wards-most) column this cell spans into prevColIndex = cellColIndex + cellColSpan - 1; int32_t actualColSpan = cellColSpan; bool isVisible = false; for (int32_t colIdx = cellColIndex; actualColSpan > 0; colIdx++, actualColSpan--) { nsTableColFrame* colFrame = tableFrame->GetColFrame(colIdx); const nsStyleVisibility* colVis = colFrame->StyleVisibility(); bool collapseCol = StyleVisibility::Collapse == colVis->mVisible; nsIFrame* cgFrame = colFrame->GetParent(); const nsStyleVisibility* groupVis = cgFrame->StyleVisibility(); bool collapseGroup = StyleVisibility::Collapse == groupVis->mVisible; bool isCollapsed = collapseCol || collapseGroup; if (!isCollapsed) { cRect.ISize(wm) += fifTable->GetColumnISizeFromFirstInFlow(colIdx); isVisible = true; if ((actualColSpan > 1)) { nsTableColFrame* nextColFrame = tableFrame->GetColFrame(colIdx + 1); const nsStyleVisibility* nextColVis = nextColFrame->StyleVisibility(); if (StyleVisibility::Collapse != nextColVis->mVisible && tableFrame->ColumnHasCellSpacingBefore(colIdx + 1)) { cRect.ISize(wm) += tableFrame->GetColSpacing(cellColIndex); } } } } iPos += cRect.ISize(wm); if (isVisible) { iPos += tableFrame->GetColSpacing(cellColIndex); } int32_t actualRowSpan = tableFrame->GetEffectiveRowSpan(*cellFrame); nsTableRowFrame* rowFrame = GetNextRow(); for (actualRowSpan--; actualRowSpan > 0 && rowFrame; actualRowSpan--) { const nsStyleVisibility* nextRowVis = rowFrame->StyleVisibility(); bool collapseNextRow = StyleVisibility::Collapse == nextRowVis->mVisible; if (!collapseNextRow) { LogicalRect nextRect = rowFrame->GetLogicalRect(wm, containerSize); cRect.BSize(wm) += nextRect.BSize(wm) + tableFrame->GetRowSpacing(rowFrame->GetRowIndex()); } rowFrame = rowFrame->GetNextRow(); } nsRect oldCellRect = cellFrame->GetRect(); LogicalPoint oldCellNormalPos = cellFrame->GetLogicalNormalPosition(wm, containerSize); nsRect oldCellInkOverflow = cellFrame->InkOverflowRect(); if (aRowOffset == 0 && cRect.Origin(wm) != oldCellNormalPos) { // We're moving the cell. Invalidate the old overflow area cellFrame->InvalidateFrameSubtree(); } cellFrame->MovePositionBy(wm, cRect.Origin(wm) - oldCellNormalPos); cellFrame->SetSize(wm, cRect.Size(wm)); // XXXbz This looks completely bogus in the cases when we didn't // collapse the cell! LogicalRect cellBounds(wm, 0, 0, cRect.ISize(wm), cRect.BSize(wm)); nsRect cellPhysicalBounds = cellBounds.GetPhysicalRect(wm, containerSize); OverflowAreas cellOverflow(cellPhysicalBounds, cellPhysicalBounds); cellFrame->FinishAndStoreOverflow(cellOverflow, cRect.Size(wm).GetPhysicalSize(wm)); ConsiderChildOverflow(overflow, cellFrame); if (aRowOffset == 0) { nsTableFrame::InvalidateTableFrame(cellFrame, oldCellRect, oldCellInkOverflow, false); } } } SetRect(wm, rowRect, containerSize); overflow.UnionAllWith(nsRect(0, 0, rowRect.Width(wm), rowRect.Height(wm))); FinishAndStoreOverflow(overflow, rowRect.Size(wm).GetPhysicalSize(wm)); nsTableFrame::InvalidateTableFrame(this, oldRect, oldInkOverflow, false); return shift; } /* * The following method is called by the row group frame's SplitRowGroup() * when it creates a continuing cell frame and wants to insert it into the * row's child list. */ void nsTableRowFrame::InsertCellFrame(nsTableCellFrame* aFrame, int32_t aColIndex) { // Find the cell frame where col index < aColIndex nsTableCellFrame* priorCell = nullptr; for (nsTableCellFrame* cellFrame = GetFirstCell(); cellFrame; cellFrame = cellFrame->GetNextCell()) { uint32_t colIndex = cellFrame->ColIndex(); // Can aColIndex be -1 here? Let's assume it can for now. if (static_cast(colIndex) < aColIndex) { priorCell = cellFrame; } else { break; } } mFrames.InsertFrame(this, priorCell, aFrame); } nsTableRowFrame* nsTableRowFrame::GetPrevRow() const { nsIFrame* prevSibling = GetPrevSibling(); MOZ_ASSERT( !prevSibling || static_cast(do_QueryFrame(prevSibling)), "How do we have a non-row sibling?"); return static_cast(prevSibling); } nsTableRowFrame* nsTableRowFrame::GetNextRow() const { nsIFrame* nextSibling = GetNextSibling(); MOZ_ASSERT( !nextSibling || static_cast(do_QueryFrame(nextSibling)), "How do we have a non-row sibling?"); return static_cast(nextSibling); } // This property is only set on the first-in-flow of nsTableRowFrame. NS_DECLARE_FRAME_PROPERTY_SMALL_VALUE(TableRowUnpaginatedBSizeProperty, nscoord) void nsTableRowFrame::SetUnpaginatedBSize(nscoord aValue) { MOZ_ASSERT(!GetPrevInFlow(), "TableRowUnpaginatedBSizeProperty should only be set on the " "first-in-flow!"); AddStateBits(NS_TABLE_ROW_HAS_UNPAGINATED_BSIZE); SetProperty(TableRowUnpaginatedBSizeProperty(), aValue); } nscoord nsTableRowFrame::GetUnpaginatedBSize() const { return GetProperty(TableRowUnpaginatedBSizeProperty()); } #ifdef ACCESSIBILITY a11y::AccType nsTableRowFrame::AccessibleType() { return a11y::eHTMLTableRowType; } #endif /** * Sets the NS_ROW_HAS_CELL_WITH_STYLE_BSIZE bit to indicate whether * this row has any cells that have non-auto-bsize. (Row-spanning * cells are ignored.) */ void nsTableRowFrame::InitHasCellWithStyleBSize(nsTableFrame* aTableFrame) { WritingMode wm = GetWritingMode(); for (nsTableCellFrame* cellFrame = GetFirstCell(); cellFrame; cellFrame = cellFrame->GetNextCell()) { // Ignore row-spanning cells const auto cellBSize = cellFrame->StylePosition()->BSize( wm, AnchorPosResolutionParams::From(cellFrame)); if (aTableFrame->GetEffectiveRowSpan(*cellFrame) == 1 && !cellBSize->IsAuto() && /* calc() with both percentages and lengths treated like 'auto' */ (cellBSize->ConvertsToLength() || cellBSize->ConvertsToPercentage())) { AddStateBits(NS_ROW_HAS_CELL_WITH_STYLE_BSIZE); return; } } RemoveStateBits(NS_ROW_HAS_CELL_WITH_STYLE_BSIZE); } void nsTableRowFrame::InvalidateFrame(uint32_t aDisplayItemKey, bool aRebuildDisplayItems) { nsIFrame::InvalidateFrame(aDisplayItemKey, aRebuildDisplayItems); if (GetTableFrame()->IsBorderCollapse()) { const bool rebuild = StaticPrefs::layout_display_list_retain_sc(); GetParent()->InvalidateFrameWithRect(InkOverflowRect() + GetPosition(), aDisplayItemKey, rebuild); } } void nsTableRowFrame::InvalidateFrameWithRect(const nsRect& aRect, uint32_t aDisplayItemKey, bool aRebuildDisplayItems) { nsIFrame::InvalidateFrameWithRect(aRect, aDisplayItemKey, aRebuildDisplayItems); // If we have filters applied that would affects our bounds, then // we get an inactive layer created and this is computed // within FrameLayerBuilder GetParent()->InvalidateFrameWithRect(aRect + GetPosition(), aDisplayItemKey, aRebuildDisplayItems); } /* ----- global methods ----- */ nsTableRowFrame* NS_NewTableRowFrame(PresShell* aPresShell, ComputedStyle* aStyle) { return new (aPresShell) nsTableRowFrame(aStyle, aPresShell->GetPresContext()); } NS_IMPL_FRAMEARENA_HELPERS(nsTableRowFrame) #ifdef DEBUG_FRAME_DUMP nsresult nsTableRowFrame::GetFrameName(nsAString& aResult) const { return MakeFrameName(u"TableRow"_ns, aResult); } #endif