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Fix margin auto for start and end values 

Reviewed By: astreet

Differential Revision: D4627339

fbshipit-source-id: eebf64e79a34331e79cffcfa3662d4938fbd6c13
This commit is contained in:
Emil Sjolander 2017-03-01 09:12:40 -08:00 committed by Facebook Github Bot
parent 7b35eb3fdb
commit d5a381f493
1 changed files with 26 additions and 10 deletions
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36
ReactCommon/yoga/yoga/Yoga.c
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@ -1247,6 +1247,22 @@ static float YGNodeBoundAxisWithinMinAndMax(const YGNodeRef node,
return boundValue;
}
static inline YGValue *YGMarginLeadingValue(const YGNodeRef node, const YGFlexDirection axis) {
if (YGFlexDirectionIsRow(axis) && node->style.margin[YGEdgeStart].unit != YGUnitUndefined) {
return &node->style.margin[YGEdgeStart];
} else {
return &node->style.margin[leading[axis]];
}
}
static inline YGValue *YGMarginTrailingValue(const YGNodeRef node, const YGFlexDirection axis) {
if (YGFlexDirectionIsRow(axis) && node->style.margin[YGEdgeEnd].unit != YGUnitUndefined) {
return &node->style.margin[YGEdgeEnd];
} else {
return &node->style.margin[trailing[axis]];
}
}
// Like YGNodeBoundAxisWithinMinAndMax but also ensures that the value doesn't go
// below the
// padding and border amount.
@ -2442,10 +2458,10 @@ static void YGNodelayoutImpl(const YGNodeRef node,
for (uint32_t i = startOfLineIndex; i < endOfLineIndex; i++) {
const YGNodeRef child = YGNodeListGet(node->children, i);
if (child->style.positionType == YGPositionTypeRelative) {
if (child->style.margin[leading[mainAxis]].unit == YGUnitAuto) {
if (YGMarginLeadingValue(child, mainAxis)->unit == YGUnitAuto) {
numberOfAutoMarginsOnCurrentLine++;
}
if (child->style.margin[trailing[mainAxis]].unit == YGUnitAuto) {
if (YGMarginTrailingValue(child, mainAxis)->unit == YGUnitAuto) {
numberOfAutoMarginsOnCurrentLine++;
}
}
@ -2500,7 +2516,7 @@ static void YGNodelayoutImpl(const YGNodeRef node,
// We need to do that only for relative elements. Absolute elements
// do not take part in that phase.
if (child->style.positionType == YGPositionTypeRelative) {
if (child->style.margin[leading[mainAxis]].unit == YGUnitAuto) {
if (YGMarginLeadingValue(child, mainAxis)->unit == YGUnitAuto) {
mainDim += remainingFreeSpace / numberOfAutoMarginsOnCurrentLine;
}
@ -2508,7 +2524,7 @@ static void YGNodelayoutImpl(const YGNodeRef node,
child->layout.position[pos[mainAxis]] += mainDim;
}
if (child->style.margin[trailing[mainAxis]].unit == YGUnitAuto) {
if (YGMarginTrailingValue(child, mainAxis)->unit == YGUnitAuto) {
mainDim += remainingFreeSpace / numberOfAutoMarginsOnCurrentLine;
}
@ -2601,8 +2617,8 @@ static void YGNodelayoutImpl(const YGNodeRef node,
// forcing the cross-axis size to be the computed cross size for the
// current line.
if (alignItem == YGAlignStretch &&
child->style.margin[leading[crossAxis]].unit != YGUnitAuto &&
child->style.margin[trailing[crossAxis]].unit != YGUnitAuto) {
YGMarginLeadingValue(child, crossAxis)->unit != YGUnitAuto &&
YGMarginTrailingValue(child, crossAxis)->unit != YGUnitAuto) {
// If the child defines a definite size for its cross axis, there's
// no need to stretch.
if (!YGNodeIsStyleDimDefined(child, crossAxis, availableInnerCrossDim)) {
@ -2650,12 +2666,12 @@ static void YGNodelayoutImpl(const YGNodeRef node,
const float remainingCrossDim =
containerCrossAxis - YGNodeDimWithMargin(child, crossAxis, availableInnerWidth);
if (child->style.margin[leading[crossAxis]].unit == YGUnitAuto &&
child->style.margin[trailing[crossAxis]].unit == YGUnitAuto) {
if (YGMarginLeadingValue(child, crossAxis)->unit == YGUnitAuto &&
YGMarginTrailingValue(child, crossAxis)->unit == YGUnitAuto) {
leadingCrossDim += remainingCrossDim / 2;
} else if (child->style.margin[trailing[crossAxis]].unit == YGUnitAuto) {
} else if (YGMarginTrailingValue(child, crossAxis)->unit == YGUnitAuto) {
// No-Op
} else if (child->style.margin[leading[crossAxis]].unit == YGUnitAuto) {
} else if (YGMarginLeadingValue(child, crossAxis)->unit == YGUnitAuto) {
leadingCrossDim += remainingCrossDim;
} else if (alignItem == YGAlignFlexStart) {
// No-Op