diff options
Diffstat (limited to 'layout/generic')
-rw-r--r-- | layout/generic/nsColumnSetFrame.cpp | 19 | ||||
-rw-r--r-- | layout/generic/nsFrame.cpp | 93 | ||||
-rw-r--r-- | layout/generic/nsFrame.h | 3 | ||||
-rw-r--r-- | layout/generic/nsGridContainerFrame.cpp | 180 | ||||
-rw-r--r-- | layout/generic/nsIFrame.h | 31 |
5 files changed, 93 insertions, 233 deletions
diff --git a/layout/generic/nsColumnSetFrame.cpp b/layout/generic/nsColumnSetFrame.cpp index ad36ba1a8..6ea15d4d2 100644 --- a/layout/generic/nsColumnSetFrame.cpp +++ b/layout/generic/nsColumnSetFrame.cpp @@ -183,18 +183,15 @@ nsColumnSetFrame::GetAvailableContentBSize(const ReflowInput& aReflowInput) static nscoord GetColumnGap(nsColumnSetFrame* aFrame, - const nsStyleColumn* aColStyle) + const nsStyleColumn* aColStyle, + nscoord aPercentageBasis) { - if (eStyleUnit_Normal == aColStyle->mColumnGap.GetUnit()) + const auto& columnGap = aColStyle->mColumnGap; + if (columnGap.GetUnit() == eStyleUnit_Normal) { return aFrame->StyleFont()->mFont.size; - if (eStyleUnit_Coord == aColStyle->mColumnGap.GetUnit()) { - nscoord colGap = aColStyle->mColumnGap.GetCoordValue(); - NS_ASSERTION(colGap >= 0, "negative column gap"); - return colGap; } - NS_NOTREACHED("Unknown gap type"); - return 0; + return nsLayoutUtils::ResolveGapToLength(columnGap, aPercentageBasis); } nsColumnSetFrame::ReflowConfig @@ -227,7 +224,7 @@ nsColumnSetFrame::ChooseColumnStrategy(const ReflowInput& aReflowInput, colBSize = std::min(colBSize, aReflowInput.ComputedMaxBSize()); } - nscoord colGap = GetColumnGap(this, colStyle); + nscoord colGap = GetColumnGap(this, colStyle, aReflowInput.ComputedISize()); int32_t numColumns = colStyle->mColumnCount; // If column-fill is set to 'balance', then we want to balance the columns. @@ -403,7 +400,7 @@ nsColumnSetFrame::GetMinISize(nsRenderingContext *aRenderingContext) // include n-1 column gaps. colISize = iSize; iSize *= colStyle->mColumnCount; - nscoord colGap = GetColumnGap(this, colStyle); + nscoord colGap = GetColumnGap(this, colStyle, NS_UNCONSTRAINEDSIZE); iSize += colGap * (colStyle->mColumnCount - 1); // The multiplication above can make 'width' negative (integer overflow), // so use std::max to protect against that. @@ -424,7 +421,7 @@ nsColumnSetFrame::GetPrefISize(nsRenderingContext *aRenderingContext) nscoord result = 0; DISPLAY_PREF_WIDTH(this, result); const nsStyleColumn* colStyle = StyleColumn(); - nscoord colGap = GetColumnGap(this, colStyle); + nscoord colGap = GetColumnGap(this, colStyle, NS_UNCONSTRAINEDSIZE); nscoord colISize; if (colStyle->mColumnWidth.GetUnit() == eStyleUnit_Coord) { diff --git a/layout/generic/nsFrame.cpp b/layout/generic/nsFrame.cpp index bd96f213b..a531dea07 100644 --- a/layout/generic/nsFrame.cpp +++ b/layout/generic/nsFrame.cpp @@ -4515,68 +4515,44 @@ nsIFrame::InlinePrefISizeData::ForceBreak() mSkipWhitespace = true; } -static void -AddCoord(const nsStyleCoord& aStyle, - nsIFrame* aFrame, - nscoord* aCoord, float* aPercent, - bool aClampNegativeToZero) -{ - switch (aStyle.GetUnit()) { - case eStyleUnit_Coord: { - NS_ASSERTION(!aClampNegativeToZero || aStyle.GetCoordValue() >= 0, - "unexpected negative value"); - *aCoord += aStyle.GetCoordValue(); - return; - } - case eStyleUnit_Percent: { - NS_ASSERTION(!aClampNegativeToZero || aStyle.GetPercentValue() >= 0.0f, - "unexpected negative value"); - *aPercent += aStyle.GetPercentValue(); - return; - } - case eStyleUnit_Calc: { - const nsStyleCoord::Calc *calc = aStyle.GetCalcValue(); - if (aClampNegativeToZero) { - // This is far from ideal when one is negative and one is positive. - *aCoord += std::max(calc->mLength, 0); - *aPercent += std::max(calc->mPercent, 0.0f); - } else { - *aCoord += calc->mLength; - *aPercent += calc->mPercent; - } - return; - } - default: { - return; - } +static nscoord +ResolveMargin(const nsStyleCoord& aStyle, nscoord aPercentageBasis) +{ + if (aStyle.GetUnit() == eStyleUnit_Auto) { + return nscoord(0); } + return nsLayoutUtils::ResolveToLength<false>(aStyle, aPercentageBasis); +} + +static nscoord +ResolvePadding(const nsStyleCoord& aStyle, nscoord aPercentageBasis) +{ + return nsLayoutUtils::ResolveToLength<true>(aStyle, aPercentageBasis); } static nsIFrame::IntrinsicISizeOffsetData -IntrinsicSizeOffsets(nsIFrame* aFrame, bool aForISize) +IntrinsicSizeOffsets(nsIFrame* aFrame, nscoord aPercentageBasis, bool aForISize) { nsIFrame::IntrinsicISizeOffsetData result; WritingMode wm = aFrame->GetWritingMode(); - const nsStyleMargin* styleMargin = aFrame->StyleMargin(); + const auto& margin = aFrame->StyleMargin()->mMargin; bool verticalAxis = aForISize == wm.IsVertical(); - AddCoord(verticalAxis ? styleMargin->mMargin.GetTop() - : styleMargin->mMargin.GetLeft(), - aFrame, &result.hMargin, &result.hPctMargin, - false); - AddCoord(verticalAxis ? styleMargin->mMargin.GetBottom() - : styleMargin->mMargin.GetRight(), - aFrame, &result.hMargin, &result.hPctMargin, - false); - - const nsStylePadding* stylePadding = aFrame->StylePadding(); - AddCoord(verticalAxis ? stylePadding->mPadding.GetTop() - : stylePadding->mPadding.GetLeft(), - aFrame, &result.hPadding, &result.hPctPadding, - true); - AddCoord(verticalAxis ? stylePadding->mPadding.GetBottom() - : stylePadding->mPadding.GetRight(), - aFrame, &result.hPadding, &result.hPctPadding, - true); + if (verticalAxis) { + result.hMargin += ResolveMargin(margin.GetTop(), aPercentageBasis); + result.hMargin += ResolveMargin(margin.GetBottom(), aPercentageBasis); + } else { + result.hMargin += ResolveMargin(margin.GetLeft(), aPercentageBasis); + result.hMargin += ResolveMargin(margin.GetRight(), aPercentageBasis); + } + + const auto& padding = aFrame->StylePadding()->mPadding; + if (verticalAxis) { + result.hPadding += ResolvePadding(padding.GetTop(), aPercentageBasis); + result.hPadding += ResolvePadding(padding.GetBottom(), aPercentageBasis); + } else { + result.hPadding += ResolvePadding(padding.GetLeft(), aPercentageBasis); + result.hPadding += ResolvePadding(padding.GetRight(), aPercentageBasis); + } const nsStyleBorder* styleBorder = aFrame->StyleBorder(); if (verticalAxis) { @@ -4606,22 +4582,21 @@ IntrinsicSizeOffsets(nsIFrame* aFrame, bool aForISize) result.hPadding = presContext->DevPixelsToAppUnits(verticalAxis ? padding.TopBottom() : padding.LeftRight()); - result.hPctPadding = 0; } } return result; } /* virtual */ nsIFrame::IntrinsicISizeOffsetData -nsFrame::IntrinsicISizeOffsets() +nsFrame::IntrinsicISizeOffsets(nscoord aPercentageBasis) { - return IntrinsicSizeOffsets(this, true); + return IntrinsicSizeOffsets(this, aPercentageBasis, true); } nsIFrame::IntrinsicISizeOffsetData -nsIFrame::IntrinsicBSizeOffsets() +nsIFrame::IntrinsicBSizeOffsets(nscoord aPercentageBasis) { - return IntrinsicSizeOffsets(this, false); + return IntrinsicSizeOffsets(this, aPercentageBasis, false); } /* virtual */ IntrinsicSize diff --git a/layout/generic/nsFrame.h b/layout/generic/nsFrame.h index af1c95ef2..439e39856 100644 --- a/layout/generic/nsFrame.h +++ b/layout/generic/nsFrame.h @@ -261,7 +261,8 @@ public: InlineMinISizeData *aData) override; virtual void AddInlinePrefISize(nsRenderingContext *aRenderingContext, InlinePrefISizeData *aData) override; - virtual IntrinsicISizeOffsetData IntrinsicISizeOffsets() override; + IntrinsicISizeOffsetData + IntrinsicISizeOffsets(nscoord aPercentageBasis = NS_UNCONSTRAINEDSIZE) override; virtual mozilla::IntrinsicSize GetIntrinsicSize() override; virtual nsSize GetIntrinsicRatio() override; diff --git a/layout/generic/nsGridContainerFrame.cpp b/layout/generic/nsGridContainerFrame.cpp index 054f01297..959061e33 100644 --- a/layout/generic/nsGridContainerFrame.cpp +++ b/layout/generic/nsGridContainerFrame.cpp @@ -8,8 +8,8 @@ #include "nsGridContainerFrame.h" -#include <algorithm> // for std::stable_sort #include <limits> +#include <stdlib.h> // for div() #include "mozilla/CSSAlignUtils.h" #include "mozilla/dom/GridBinding.h" #include "mozilla/Function.h" @@ -127,43 +127,6 @@ ResolveToDefiniteSize(const nsStyleCoord& aCoord, nscoord aPercentBasis) nsRuleNode::ComputeCoordPercentCalc(aCoord, aPercentBasis)); } -static bool -GetPercentSizeParts(const nsStyleCoord& aCoord, nscoord* aLength, float* aPercent) -{ - switch (aCoord.GetUnit()) { - case eStyleUnit_Percent: - *aLength = 0; - *aPercent = aCoord.GetPercentValue(); - return true; - case eStyleUnit_Calc: { - nsStyleCoord::Calc* calc = aCoord.GetCalcValue(); - *aLength = calc->mLength; - *aPercent = calc->mPercent; - return true; - } - default: - return false; - } -} - -static void -ResolvePercentSizeParts(const nsStyleCoord& aCoord, nscoord aPercentBasis, - nscoord* aLength, float* aPercent) -{ - MOZ_ASSERT(aCoord.IsCoordPercentCalcUnit()); - if (aPercentBasis != NS_UNCONSTRAINEDSIZE) { - *aLength = std::max(nscoord(0), - nsRuleNode::ComputeCoordPercentCalc(aCoord, - aPercentBasis)); - *aPercent = 0.0f; - return; - } - if (!GetPercentSizeParts(aCoord, aLength, aPercent)) { - *aLength = aCoord.ToLength(); - *aPercent = 0.0f; - } -} - // Synthesize a baseline from a border box. For an alphabetical baseline // this is the end edge of the border box. For a central baseline it's // the center of the border box. @@ -1172,7 +1135,7 @@ struct nsGridContainerFrame::TrackSizingFunctions return 1; } nscoord repeatTrackSize = 0; - // Note that the repeat() track size is included in |sum| in this loop. + // Note that one repeat() track size is included in |sum| in this loop. nscoord sum = 0; const nscoord percentBasis = aSize; for (uint32_t i = 0; i < numTracks; ++i) { @@ -1189,54 +1152,31 @@ struct nsGridContainerFrame::TrackSizingFunctions } nscoord trackSize = ::ResolveToDefiniteSize(*coord, percentBasis); if (i == mRepeatAutoStart) { - if (percentBasis != NS_UNCONSTRAINEDSIZE) { - // Use a minimum 1px for the repeat() track-size. - if (trackSize < AppUnitsPerCSSPixel()) { - trackSize = AppUnitsPerCSSPixel(); - } + // Use a minimum 1px for the repeat() track-size. + if (trackSize < AppUnitsPerCSSPixel()) { + trackSize = AppUnitsPerCSSPixel(); } repeatTrackSize = trackSize; } sum += trackSize; } - nscoord gridGap; - float percentSum = 0.0f; - float gridGapPercent; - ResolvePercentSizeParts(aGridGap, percentBasis, &gridGap, &gridGapPercent); + nscoord gridGap = nsLayoutUtils::ResolveGapToLength(aGridGap, aSize); if (numTracks > 1) { // Add grid-gaps for all the tracks including the repeat() track. sum += gridGap * (numTracks - 1); - percentSum = gridGapPercent * (numTracks - 1); } // Calculate the max number of tracks that fits without overflow. nscoord available = maxFill != NS_UNCONSTRAINEDSIZE ? maxFill : aMinSize; - nscoord size = nsLayoutUtils::AddPercents(sum, percentSum); - if (available - size < 0) { + nscoord spaceToFill = available - sum; + if (spaceToFill <= 0) { // "if any number of repetitions would overflow, then 1 repetition" return 1; } - uint32_t numRepeatTracks = 1; - bool exactFit = false; - while (true) { - sum += gridGap + repeatTrackSize; - percentSum += gridGapPercent; - nscoord newSize = nsLayoutUtils::AddPercents(sum, percentSum); - if (newSize <= size) { - // Adding more repeat-tracks won't make forward progress. - return numRepeatTracks; - } - size = newSize; - nscoord remaining = available - size; - exactFit = remaining == 0; - if (remaining >= 0) { - ++numRepeatTracks; - } - if (remaining <= 0) { - break; - } - } - - if (!exactFit && maxFill == NS_UNCONSTRAINEDSIZE) { + // Calculate the max number of tracks that fits without overflow. + div_t q = div(spaceToFill, repeatTrackSize + gridGap); + // The +1 here is for the one repeat track we already accounted for above. + uint32_t numRepeatTracks = q.quot + 1; + if (q.rem != 0 && maxFill == NS_UNCONSTRAINEDSIZE) { // "Otherwise, if the grid container has a definite min size in // the relevant axis, the number of repetitions is the largest possible // positive integer that fulfills that minimum requirement." @@ -1882,13 +1822,6 @@ struct nsGridContainerFrame::Tracks WritingMode aWM, const LogicalSize& aContainerSize); - /** - * Return the intrinsic size by back-computing percentages as: - * IntrinsicSize = SumOfCoordSizes / (1 - SumOfPercentages). - */ - nscoord BackComputedIntrinsicSize(const TrackSizingFunctions& aFunctions, - const nsStyleCoord& aGridGap) const; - nscoord GridLineEdge(uint32_t aLine, GridLineSide aSide) const { if (MOZ_UNLIKELY(mSizes.IsEmpty())) { @@ -2198,11 +2131,10 @@ struct MOZ_STACK_CLASS nsGridContainerFrame::GridReflowInput } /** - * Calculate our track sizes. If the given aContentBox block-axis size is - * unconstrained, it is assigned to the resulting intrinsic block-axis size. + * Calculate our track sizes. */ void CalculateTrackSizes(const Grid& aGrid, - LogicalSize& aContentBox, + const LogicalSize& aContentBox, SizingConstraint aConstraint); /** @@ -2688,7 +2620,7 @@ struct MOZ_STACK_CLASS nsGridContainerFrame::Grid void nsGridContainerFrame::GridReflowInput::CalculateTrackSizes( const Grid& aGrid, - LogicalSize& aContentBox, + const LogicalSize& aContentBox, SizingConstraint aConstraint) { mCols.Initialize(mColFunctions, mGridStyle->mGridColumnGap, @@ -2706,12 +2638,6 @@ nsGridContainerFrame::GridReflowInput::CalculateTrackSizes( mRows.CalculateSizes(*this, mGridItems, mRowFunctions, aContentBox.BSize(mWM), &GridArea::mRows, aConstraint); - if (aContentBox.BSize(mWM) == NS_AUTOHEIGHT) { - aContentBox.BSize(mWM) = - mRows.BackComputedIntrinsicSize(mRowFunctions, mGridStyle->mGridRowGap); - mRows.mGridGap = - ::ResolveToDefiniteSize(mGridStyle->mGridRowGap, aContentBox.BSize(mWM)); - } } /** @@ -3813,7 +3739,7 @@ nsGridContainerFrame::Tracks::Initialize( aFunctions.MinSizingFor(i), aFunctions.MaxSizingFor(i)); } - mGridGap = ::ResolveToDefiniteSize(aGridGap, aContentBoxSize); + mGridGap = nsLayoutUtils::ResolveGapToLength(aGridGap, aContentBoxSize); mContentBoxSize = aContentBoxSize; } @@ -3894,8 +3820,7 @@ ContentContribution(const GridItemInfo& aGridItem, PhysicalAxis axis(aCBWM.PhysicalAxis(aAxis)); nscoord size = nsLayoutUtils::IntrinsicForAxis(axis, aRC, child, aConstraint, aPercentageBasis, - aFlags | nsLayoutUtils::BAIL_IF_REFLOW_NEEDED | - nsLayoutUtils::ADD_PERCENTS, + aFlags | nsLayoutUtils::BAIL_IF_REFLOW_NEEDED, aMinSizeClamp); if (size == NS_INTRINSIC_WIDTH_UNKNOWN) { // We need to reflow the child to find its BSize contribution. @@ -3932,15 +3857,7 @@ ContentContribution(const GridItemInfo& aGridItem, LogicalSize availableSize(childWM, availISize, availBSize); size = ::MeasuringReflow(child, aState.mReflowInput, aRC, availableSize, cbSize, iMinSizeClamp, bMinSizeClamp); - nsIFrame::IntrinsicISizeOffsetData offsets = child->IntrinsicBSizeOffsets(); - size += offsets.hMargin; - auto percent = offsets.hPctMargin; - if (availBSize == NS_UNCONSTRAINEDSIZE) { - // We always want to add in percent padding too, unless we already did so - // using a resolved column size above. - percent += offsets.hPctPadding; - } - size = nsLayoutUtils::AddPercents(size, percent); + size += child->GetLogicalUsedMargin(childWM).BStartEnd(childWM); nscoord overflow = size - aMinSizeClamp; if (MOZ_UNLIKELY(overflow > 0)) { nscoord contentSize = child->ContentBSize(childWM); @@ -4045,6 +3962,10 @@ MinSize(const GridItemInfo& aGridItem, return s; } + if (aCache->mPercentageBasis.isNothing()) { + aCache->mPercentageBasis.emplace(aState.PercentageBasisFor(aAxis, aGridItem)); + } + // https://drafts.csswg.org/css-grid/#min-size-auto // This calculates the min-content contribution from either a definite // min-width (or min-height depending on aAxis), or the "specified / @@ -4058,7 +3979,8 @@ MinSize(const GridItemInfo& aGridItem, "baseline offset should be zero when not baseline-aligned"); nscoord sz = aGridItem.mBaselineOffset[aAxis] + nsLayoutUtils::MinSizeContributionForAxis(axis, aRC, child, - nsLayoutUtils::MIN_ISIZE); + nsLayoutUtils::MIN_ISIZE, + *aCache->mPercentageBasis); const nsStyleCoord& style = axis == eAxisHorizontal ? stylePos->mMinWidth : stylePos->mMinHeight; auto unit = style.GetUnit(); @@ -4067,9 +3989,6 @@ MinSize(const GridItemInfo& aGridItem, child->StyleDisplay()->mOverflowX == NS_STYLE_OVERFLOW_VISIBLE)) { // Now calculate the "content size" part and return whichever is smaller. MOZ_ASSERT(unit != eStyleUnit_Enumerated || sz == NS_UNCONSTRAINEDSIZE); - if (aCache->mPercentageBasis.isNothing()) { - aCache->mPercentageBasis.emplace(aState.PercentageBasisFor(aAxis, aGridItem)); - } sz = std::min(sz, ContentContribution(aGridItem, aState, aRC, aCBWM, aAxis, aCache->mPercentageBasis, nsLayoutUtils::MIN_ISIZE, @@ -5097,36 +5016,6 @@ nsGridContainerFrame::Tracks::AlignJustifyContent( MOZ_ASSERT(!roundingError, "we didn't distribute all rounding error?"); } -nscoord -nsGridContainerFrame::Tracks::BackComputedIntrinsicSize( - const TrackSizingFunctions& aFunctions, - const nsStyleCoord& aGridGap) const -{ - // Sum up the current sizes (where percentage tracks were treated as 'auto') - // in 'size'. - nscoord size = 0; - for (size_t i = 0, len = mSizes.Length(); i < len; ++i) { - size += mSizes[i].mBase; - } - - // Add grid-gap contributions to 'size' and calculate a 'percent' sum. - float percent = 0.0f; - size_t numTracks = mSizes.Length(); - if (numTracks > 1) { - const size_t gridGapCount = numTracks - 1; - nscoord gridGapLength; - float gridGapPercent; - if (::GetPercentSizeParts(aGridGap, &gridGapLength, &gridGapPercent)) { - percent = gridGapCount * gridGapPercent; - } else { - gridGapLength = aGridGap.ToLength(); - } - size += gridGapCount * gridGapLength; - } - - return std::max(0, nsLayoutUtils::AddPercents(size, percent)); -} - void nsGridContainerFrame::LineRange::ToPositionAndLength( const nsTArray<TrackSize>& aTrackSizes, nscoord* aPos, nscoord* aLength) const @@ -6292,7 +6181,7 @@ nsGridContainerFrame::Reflow(nsPresContext* aPresContext, LogicalSize computedSize(wm, computedISize, computedBSize); nscoord consumedBSize = 0; - nscoord bSize; + nscoord bSize = 0; if (!prevInFlow) { Grid grid; grid.PlaceGridItems(gridReflowInput, aReflowInput.ComputedMinSize(), @@ -6300,7 +6189,12 @@ nsGridContainerFrame::Reflow(nsPresContext* aPresContext, gridReflowInput.CalculateTrackSizes(grid, computedSize, SizingConstraint::eNoConstraint); - bSize = computedSize.BSize(wm); + // Note: we can't use GridLineEdge here since we haven't calculated + // the rows' mPosition yet (happens in AlignJustifyContent below). + for (const auto& sz : gridReflowInput.mRows.mSizes) { + bSize += sz.mBase; + } + bSize += gridReflowInput.mRows.SumOfGridGaps(); } else { consumedBSize = GetConsumedBSize(); gridReflowInput.InitializeForContinuation(this, consumedBSize); @@ -6699,8 +6593,14 @@ nsGridContainerFrame::IntrinsicISize(nsRenderingContext* aRenderingContext, state.mCols.CalculateSizes(state, state.mGridItems, state.mColFunctions, NS_UNCONSTRAINEDSIZE, &GridArea::mCols, constraint); - return state.mCols.BackComputedIntrinsicSize(state.mColFunctions, - state.mGridStyle->mGridColumnGap); + state.mCols.mGridGap = + nsLayoutUtils::ResolveGapToLength(state.mGridStyle->mGridColumnGap, + NS_UNCONSTRAINEDSIZE); + nscoord length = 0; + for (const TrackSize& sz : state.mCols.mSizes) { + length += sz.mBase; + } + return length + state.mCols.SumOfGridGaps(); } nscoord diff --git a/layout/generic/nsIFrame.h b/layout/generic/nsIFrame.h index ec3568483..57f5c460c 100644 --- a/layout/generic/nsIFrame.h +++ b/layout/generic/nsIFrame.h @@ -25,6 +25,7 @@ #include "CaretAssociationHint.h" #include "FrameProperties.h" +#include "LayoutConstants.h" #include "mozilla/layout/FrameChildList.h" #include "mozilla/Maybe.h" #include "mozilla/WritingModes.h" @@ -130,30 +131,12 @@ typedef uint32_t nsSplittableType; #define NS_FRAME_IS_NOT_SPLITTABLE(type)\ (0 == ((type) & NS_FRAME_SPLITTABLE)) -#define NS_INTRINSIC_WIDTH_UNKNOWN nscoord_MIN - //---------------------------------------------------------------------- #define NS_SUBTREE_DIRTY(_frame) \ (((_frame)->GetStateBits() & \ (NS_FRAME_IS_DIRTY | NS_FRAME_HAS_DIRTY_CHILDREN)) != 0) -/** - * Constant used to indicate an unconstrained size. - * - * @see #Reflow() - */ -#define NS_UNCONSTRAINEDSIZE NS_MAXSIZE - -#define NS_INTRINSICSIZE NS_UNCONSTRAINEDSIZE -#define NS_AUTOHEIGHT NS_UNCONSTRAINEDSIZE -// +1 is to avoid clamped huge margin values being processed as auto margins -#define NS_AUTOMARGIN (NS_UNCONSTRAINEDSIZE + 1) -#define NS_AUTOOFFSET NS_UNCONSTRAINEDSIZE -// NOTE: there are assumptions all over that these have the same value, namely NS_UNCONSTRAINEDSIZE -// if any are changed to be a value other than NS_UNCONSTRAINEDSIZE -// at least update AdjustComputedHeight/Width and test ad nauseum - // 1 million CSS pixels less than our max app unit measure. // For reflowing with an "infinite" available inline space per [css-sizing]. // (reflowing with an NS_UNCONSTRAINEDSIZE available inline size isn't allowed @@ -2050,23 +2033,27 @@ public: /** * Return the horizontal components of padding, border, and margin * that contribute to the intrinsic width that applies to the parent. + * @param aPercentageBasis the percentage basis to use for padding/margin - + * i.e. the Containing Block's inline-size */ struct IntrinsicISizeOffsetData { nscoord hPadding, hBorder, hMargin; - float hPctPadding, hPctMargin; IntrinsicISizeOffsetData() : hPadding(0), hBorder(0), hMargin(0) - , hPctPadding(0.0f), hPctMargin(0.0f) {} }; - virtual IntrinsicISizeOffsetData IntrinsicISizeOffsets() = 0; + virtual IntrinsicISizeOffsetData + IntrinsicISizeOffsets(nscoord aPercentageBasis = NS_UNCONSTRAINEDSIZE) = 0; /** * Return the bsize components of padding, border, and margin * that contribute to the intrinsic width that applies to the parent. + * @param aPercentageBasis the percentage basis to use for padding/margin - + * i.e. the Containing Block's inline-size */ - IntrinsicISizeOffsetData IntrinsicBSizeOffsets(); + IntrinsicISizeOffsetData + IntrinsicBSizeOffsets(nscoord aPercentageBasis = NS_UNCONSTRAINEDSIZE); virtual mozilla::IntrinsicSize GetIntrinsicSize() = 0; |