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-rw-r--r--layout/generic/ReflowInput.cpp64
1 files changed, 15 insertions, 49 deletions
diff --git a/layout/generic/ReflowInput.cpp b/layout/generic/ReflowInput.cpp
index a8756cea2..bbff77ad4 100644
--- a/layout/generic/ReflowInput.cpp
+++ b/layout/generic/ReflowInput.cpp
@@ -154,11 +154,6 @@ FontSizeInflationListMarginAdjustment(const nsIFrame* aFrame)
return 0;
}
-// NOTE: If we ever want to use SizeComputationInput for a flex item or a
-// grid item, we need to make it take the containing-block block-size as
-// well as the inline-size, since flex items and grid items resolve
-// block-direction percent margins and padding against the
-// containing-block block-size, rather than its inline-size.
SizeComputationInput::SizeComputationInput(nsIFrame *aFrame,
nsRenderingContext *aRenderingContext,
WritingMode aContainingBlockWritingMode,
@@ -167,16 +162,9 @@ SizeComputationInput::SizeComputationInput(nsIFrame *aFrame,
, mRenderingContext(aRenderingContext)
, mWritingMode(aFrame->GetWritingMode())
{
- MOZ_ASSERT(!aFrame->IsFlexOrGridItem(),
- "We're about to resolve percent margin & padding "
- "values against CB inline size, which is incorrect for "
- "flex/grid items. "
- "Additionally for grid items, this path doesn't handle baseline "
- "padding contribution - see SizeComputationInput::InitOffsets");
- LogicalSize cbSize(aContainingBlockWritingMode, aContainingBlockISize,
- aContainingBlockISize);
ReflowInputFlags flags;
- InitOffsets(aContainingBlockWritingMode, cbSize, mFrame->GetType(), flags);
+ InitOffsets(aContainingBlockWritingMode, aContainingBlockISize,
+ mFrame->GetType(), flags);
}
// Initialize a reflow state for a child frame's reflow. Some state
@@ -2132,27 +2120,6 @@ IsSideCaption(nsIFrame* aFrame, const nsStyleDisplay* aStyleDisplay,
captionSide == NS_STYLE_CAPTION_SIDE_RIGHT;
}
-// Flex/grid items resolve block-axis percentage margin & padding against the
-// containing block block-size (also for abs/fixed-pos child frames).
-// For everything else: the CSS21 spec requires that margin and padding
-// percentage values are calculated with respect to the inline-size of the
-// containing block, even for margin & padding in the block axis.
-static LogicalSize
-OffsetPercentBasis(const nsIFrame* aFrame,
- WritingMode aWM,
- const LogicalSize& aContainingBlockSize)
-{
- LogicalSize offsetPercentBasis = aContainingBlockSize;
- if (MOZ_LIKELY(!aFrame->GetParent() ||
- !aFrame->GetParent()->IsFlexOrGridContainer())) {
- offsetPercentBasis.BSize(aWM) = offsetPercentBasis.ISize(aWM);
- } else if (offsetPercentBasis.BSize(aWM) == NS_AUTOHEIGHT) {
- offsetPercentBasis.BSize(aWM) = 0;
- }
-
- return offsetPercentBasis;
-}
-
// XXX refactor this code to have methods for each set of properties
// we are computing: width,height,line-height; margin; offsets
@@ -2173,7 +2140,7 @@ ReflowInput::InitConstraints(nsPresContext* aPresContext,
// height equal to the available space
if (nullptr == mParentReflowInput || mFlags.mDummyParentReflowInput) {
// XXXldb This doesn't mean what it used to!
- InitOffsets(wm, OffsetPercentBasis(mFrame, wm, aContainingBlockSize),
+ InitOffsets(wm, aContainingBlockSize.ISize(wm),
aFrameType, mFlags, aBorder, aPadding);
// Override mComputedMargin since reflow roots start from the
// frame's boundary, which is inside the margin.
@@ -2230,8 +2197,7 @@ ReflowInput::InitConstraints(nsPresContext* aPresContext,
// For calculating positioning offsets, margins, borders and
// padding, we use the writing mode of the containing block
WritingMode cbwm = cbrs->GetWritingMode();
- InitOffsets(cbwm, OffsetPercentBasis(mFrame, cbwm,
- cbSize.ConvertTo(cbwm, wm)),
+ InitOffsets(cbwm, cbSize.ConvertTo(cbwm, wm).ISize(cbwm),
aFrameType, mFlags, aBorder, aPadding);
// For calculating the size of this box, we use its own writing mode
@@ -2505,7 +2471,7 @@ UpdateProp(FrameProperties& aProps,
void
SizeComputationInput::InitOffsets(WritingMode aWM,
- const LogicalSize& aPercentBasis,
+ nscoord aPercentBasis,
nsIAtom* aFrameType,
ReflowInputFlags aFlags,
const nsMargin* aBorder,
@@ -2876,7 +2842,7 @@ ReflowInput::CalcLineHeight(nsIContent* aContent,
bool
SizeComputationInput::ComputeMargin(WritingMode aWM,
- const LogicalSize& aPercentBasis)
+ nscoord aPercentBasis)
{
// SVG text frames have no margin.
if (mFrame->IsSVGText()) {
@@ -2893,17 +2859,17 @@ SizeComputationInput::ComputeMargin(WritingMode aWM,
// (http://dev.w3.org/csswg/css-writing-modes-3/#orthogonal-flows)
LogicalMargin m(aWM);
m.IStart(aWM) = nsLayoutUtils::
- ComputeCBDependentValue(aPercentBasis.ISize(aWM),
+ ComputeCBDependentValue(aPercentBasis,
styleMargin->mMargin.GetIStart(aWM));
m.IEnd(aWM) = nsLayoutUtils::
- ComputeCBDependentValue(aPercentBasis.ISize(aWM),
+ ComputeCBDependentValue(aPercentBasis,
styleMargin->mMargin.GetIEnd(aWM));
m.BStart(aWM) = nsLayoutUtils::
- ComputeCBDependentValue(aPercentBasis.BSize(aWM),
+ ComputeCBDependentValue(aPercentBasis,
styleMargin->mMargin.GetBStart(aWM));
m.BEnd(aWM) = nsLayoutUtils::
- ComputeCBDependentValue(aPercentBasis.BSize(aWM),
+ ComputeCBDependentValue(aPercentBasis,
styleMargin->mMargin.GetBEnd(aWM));
SetComputedLogicalMargin(aWM, m);
@@ -2924,7 +2890,7 @@ SizeComputationInput::ComputeMargin(WritingMode aWM,
bool
SizeComputationInput::ComputePadding(WritingMode aWM,
- const LogicalSize& aPercentBasis,
+ nscoord aPercentBasis,
nsIAtom* aFrameType)
{
// If style can provide us the padding directly, then use it.
@@ -2945,17 +2911,17 @@ SizeComputationInput::ComputePadding(WritingMode aWM,
// clamp negative calc() results to 0
LogicalMargin p(aWM);
p.IStart(aWM) = std::max(0, nsLayoutUtils::
- ComputeCBDependentValue(aPercentBasis.ISize(aWM),
+ ComputeCBDependentValue(aPercentBasis,
stylePadding->mPadding.GetIStart(aWM)));
p.IEnd(aWM) = std::max(0, nsLayoutUtils::
- ComputeCBDependentValue(aPercentBasis.ISize(aWM),
+ ComputeCBDependentValue(aPercentBasis,
stylePadding->mPadding.GetIEnd(aWM)));
p.BStart(aWM) = std::max(0, nsLayoutUtils::
- ComputeCBDependentValue(aPercentBasis.BSize(aWM),
+ ComputeCBDependentValue(aPercentBasis,
stylePadding->mPadding.GetBStart(aWM)));
p.BEnd(aWM) = std::max(0, nsLayoutUtils::
- ComputeCBDependentValue(aPercentBasis.BSize(aWM),
+ ComputeCBDependentValue(aPercentBasis,
stylePadding->mPadding.GetBEnd(aWM)));
SetComputedLogicalPadding(aWM, p);