Reviewed By: bestander

Differential Revision: D3536627

fbshipit-source-id: e89b2a5fd38d1228bd8526c46bb26c594947837a
This commit is contained in:
Emil Sjolander 2016-07-08 14:47:31 -07:00 коммит произвёл Facebook Github Bot 2
Родитель dd06b74157
Коммит 70b989eb67
4 изменённых файлов: 86 добавлений и 96 удалений

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@ -7,7 +7,7 @@
*/
// NOTE: this file is auto-copied from https://github.com/facebook/css-layout
// @generated SignedSource<<8af322a110307b3277db5b00573da822>>
// @generated SignedSource<<484d0d17453521463896ce24d946412b>>
#include <assert.h>
@ -829,61 +829,56 @@ static void layoutNodeImpl(css_node_t* node, float availableWidth, float availab
child->layout.flex_basis = fmaxf(0, getPaddingAndBorderAxis(child, mainAxis));
} else {
// Compute the flex basis and hypothetical main size (i.e. the clamped flex basis).
childWidth = CSS_UNDEFINED;
childHeight = CSS_UNDEFINED;
childWidthMeasureMode = CSS_MEASURE_MODE_UNDEFINED;
childHeightMeasureMode = CSS_MEASURE_MODE_UNDEFINED;
// Main axis
if (isMainAxisRow) {
if (widthMeasureMode == CSS_MEASURE_MODE_UNDEFINED || isUndefined(availableInnerMainDim)) {
childWidth = CSS_UNDEFINED;
childWidthMeasureMode = CSS_MEASURE_MODE_UNDEFINED;
} else {
childWidth = availableInnerMainDim;
childWidthMeasureMode = CSS_MEASURE_MODE_AT_MOST;
}
} else if (node->style.overflow == CSS_OVERFLOW_HIDDEN) {
if (heightMeasureMode == CSS_MEASURE_MODE_UNDEFINED || isUndefined(availableInnerMainDim)) {
childHeight = CSS_UNDEFINED;
childHeightMeasureMode = CSS_MEASURE_MODE_UNDEFINED;
} else {
childHeight = availableInnerMainDim;
if (isStyleDimDefined(child, CSS_FLEX_DIRECTION_ROW)) {
childWidth = child->style.dimensions[CSS_WIDTH] + getMarginAxis(child, CSS_FLEX_DIRECTION_ROW);
childWidthMeasureMode = CSS_MEASURE_MODE_EXACTLY;
}
if (isStyleDimDefined(child, CSS_FLEX_DIRECTION_COLUMN)) {
childHeight = child->style.dimensions[CSS_HEIGHT] + getMarginAxis(child, CSS_FLEX_DIRECTION_COLUMN);
childHeightMeasureMode = CSS_MEASURE_MODE_EXACTLY;
}
// According to the spec, if the main size is not definite and the
// child's inline axis is parallel to the main axis (i.e. it's
// horizontal), the child should be sized using "UNDEFINED" in
// the main size. Otherwise use "AT_MOST" in the cross axis.
if (!isMainAxisRow && isUndefined(childWidth) && !isUndefined(availableInnerWidth)) {
childWidth = availableInnerWidth;
childWidthMeasureMode = CSS_MEASURE_MODE_AT_MOST;
}
// The W3C spec doesn't say anything about the 'overflow' property,
// but all major browsers appear to implement the following logic.
if (node->style.overflow == CSS_OVERFLOW_HIDDEN) {
if (isMainAxisRow && isUndefined(childHeight) && !isUndefined(availableInnerHeight)) {
childHeight = availableInnerHeight;
childHeightMeasureMode = CSS_MEASURE_MODE_AT_MOST;
}
}
// Cross axis
if (isMainAxisRow) {
if (node->style.overflow == CSS_OVERFLOW_HIDDEN) {
if (!isUndefined(availableInnerCrossDim) &&
!isStyleDimDefined(child, CSS_FLEX_DIRECTION_COLUMN) &&
heightMeasureMode == CSS_MEASURE_MODE_EXACTLY &&
getAlignItem(node, child) == CSS_ALIGN_STRETCH) {
childHeight = availableInnerCrossDim;
childHeightMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (!isStyleDimDefined(child, CSS_FLEX_DIRECTION_COLUMN)) {
childHeight = availableInnerCrossDim;
childHeightMeasureMode = isUndefined(childHeight) ? CSS_MEASURE_MODE_UNDEFINED : CSS_MEASURE_MODE_AT_MOST;
} else {
childHeight = child->style.dimensions[CSS_HEIGHT] + getMarginAxis(child, CSS_FLEX_DIRECTION_COLUMN);
childHeightMeasureMode = CSS_MEASURE_MODE_EXACTLY;
}
}
} else {
if (!isUndefined(availableInnerCrossDim) &&
!isStyleDimDefined(child, CSS_FLEX_DIRECTION_ROW) &&
widthMeasureMode == CSS_MEASURE_MODE_EXACTLY &&
getAlignItem(node, child) == CSS_ALIGN_STRETCH) {
childWidth = availableInnerCrossDim;
childWidthMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (!isStyleDimDefined(child, CSS_FLEX_DIRECTION_ROW)) {
childWidth = availableInnerCrossDim;
childWidthMeasureMode = isUndefined(childWidth) ? CSS_MEASURE_MODE_UNDEFINED : CSS_MEASURE_MODE_AT_MOST;
} else {
childWidth = child->style.dimensions[CSS_WIDTH] + getMarginAxis(child, CSS_FLEX_DIRECTION_ROW);
childWidthMeasureMode = CSS_MEASURE_MODE_EXACTLY;
}
// If child has no defined size in the cross axis and is set to stretch, set the cross
// axis to be measured exactly with the available inner width
if (!isMainAxisRow &&
!isUndefined(availableInnerWidth) &&
!isStyleDimDefined(child, CSS_FLEX_DIRECTION_ROW) &&
widthMeasureMode == CSS_MEASURE_MODE_EXACTLY &&
getAlignItem(node, child) == CSS_ALIGN_STRETCH) {
childWidth = availableInnerWidth;
childWidthMeasureMode = CSS_MEASURE_MODE_EXACTLY;
}
if (isMainAxisRow &&
!isUndefined(availableInnerHeight) &&
!isStyleDimDefined(child, CSS_FLEX_DIRECTION_COLUMN) &&
heightMeasureMode == CSS_MEASURE_MODE_EXACTLY &&
getAlignItem(node, child) == CSS_ALIGN_STRETCH) {
childHeight = availableInnerHeight;
childHeightMeasureMode = CSS_MEASURE_MODE_EXACTLY;
}
// Measure the child

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@ -1,7 +1,7 @@
The source of truth for css-layout is: https://github.com/facebook/css-layout
The code here should be kept in sync with GitHub.
HEAD at the time this code was synced: https://github.com/facebook/css-layout/commit/ca34ff44460bce122d02b27c0409a825f8de90b1
HEAD at the time this code was synced: https://github.com/facebook/css-layout/commit/a1f36b53f5464c8ee7abc311765dc3ecb1b879c6
There is generated code in:
- README (this file)

Просмотреть файл

@ -7,7 +7,7 @@
*/
// NOTE: this file is auto-copied from https://github.com/facebook/css-layout
// @generated SignedSource<<9805b148b88d298edb7fcd7c13738ede>>
// @generated SignedSource<<deeb1f1cd05dfd70ce35f67c6eebf277>>
package com.facebook.csslayout;
@ -726,61 +726,56 @@ public class LayoutEngine {
child.layout.flexBasis = Math.max(0, ((child.style.padding.getWithFallback(leadingSpacing[mainAxis], leading[mainAxis]) + child.style.border.getWithFallback(leadingSpacing[mainAxis], leading[mainAxis])) + (child.style.padding.getWithFallback(trailingSpacing[mainAxis], trailing[mainAxis]) + child.style.border.getWithFallback(trailingSpacing[mainAxis], trailing[mainAxis]))));
} else {
// Compute the flex basis and hypothetical main size (i.e. the clamped flex basis).
childWidth = CSSConstants.UNDEFINED;
childHeight = CSSConstants.UNDEFINED;
childWidthMeasureMode = CSSMeasureMode.UNDEFINED;
childHeightMeasureMode = CSSMeasureMode.UNDEFINED;
// Main axis
if (isMainAxisRow) {
if (widthMeasureMode == CSSMeasureMode.UNDEFINED || Float.isNaN(availableInnerMainDim)) {
childWidth = CSSConstants.UNDEFINED;
childWidthMeasureMode = CSSMeasureMode.UNDEFINED;
} else {
childWidth = availableInnerMainDim;
childWidthMeasureMode = CSSMeasureMode.AT_MOST;
}
} else if (node.style.overflow == CSSOverflow.HIDDEN) {
if (heightMeasureMode == CSSMeasureMode.UNDEFINED || Float.isNaN(availableInnerMainDim)) {
childHeight = CSSConstants.UNDEFINED;
childHeightMeasureMode = CSSMeasureMode.UNDEFINED;
} else {
childHeight = availableInnerMainDim;
if ((child.style.dimensions[dim[CSS_FLEX_DIRECTION_ROW]] >= 0.0)) {
childWidth = child.style.dimensions[DIMENSION_WIDTH] + (child.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_ROW], leading[CSS_FLEX_DIRECTION_ROW]) + child.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_ROW], trailing[CSS_FLEX_DIRECTION_ROW]));
childWidthMeasureMode = CSSMeasureMode.EXACTLY;
}
if ((child.style.dimensions[dim[CSS_FLEX_DIRECTION_COLUMN]] >= 0.0)) {
childHeight = child.style.dimensions[DIMENSION_HEIGHT] + (child.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_COLUMN], leading[CSS_FLEX_DIRECTION_COLUMN]) + child.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_COLUMN], trailing[CSS_FLEX_DIRECTION_COLUMN]));
childHeightMeasureMode = CSSMeasureMode.EXACTLY;
}
// According to the spec, if the main size is not definite and the
// child's inline axis is parallel to the main axis (i.e. it's
// horizontal), the child should be sized using "UNDEFINED" in
// the main size. Otherwise use "AT_MOST" in the cross axis.
if (!isMainAxisRow && Float.isNaN(childWidth) && !Float.isNaN(availableInnerWidth)) {
childWidth = availableInnerWidth;
childWidthMeasureMode = CSSMeasureMode.AT_MOST;
}
// The W3C spec doesn't say anything about the 'overflow' property,
// but all major browsers appear to implement the following logic.
if (node.style.overflow == CSSOverflow.HIDDEN) {
if (isMainAxisRow && Float.isNaN(childHeight) && !Float.isNaN(availableInnerHeight)) {
childHeight = availableInnerHeight;
childHeightMeasureMode = CSSMeasureMode.AT_MOST;
}
}
// Cross axis
if (isMainAxisRow) {
if (node.style.overflow == CSSOverflow.HIDDEN) {
if (!Float.isNaN(availableInnerCrossDim) &&
!(child.style.dimensions[dim[CSS_FLEX_DIRECTION_COLUMN]] >= 0.0) &&
heightMeasureMode == CSSMeasureMode.EXACTLY &&
getAlignItem(node, child) == CSSAlign.STRETCH) {
childHeight = availableInnerCrossDim;
childHeightMeasureMode = CSSMeasureMode.EXACTLY;
} else if (!(child.style.dimensions[dim[CSS_FLEX_DIRECTION_COLUMN]] >= 0.0)) {
childHeight = availableInnerCrossDim;
childHeightMeasureMode = Float.isNaN(childHeight) ? CSSMeasureMode.UNDEFINED : CSSMeasureMode.AT_MOST;
} else {
childHeight = child.style.dimensions[DIMENSION_HEIGHT] + (child.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_COLUMN], leading[CSS_FLEX_DIRECTION_COLUMN]) + child.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_COLUMN], trailing[CSS_FLEX_DIRECTION_COLUMN]));
childHeightMeasureMode = CSSMeasureMode.EXACTLY;
}
}
} else {
if (!Float.isNaN(availableInnerCrossDim) &&
!(child.style.dimensions[dim[CSS_FLEX_DIRECTION_ROW]] >= 0.0) &&
widthMeasureMode == CSSMeasureMode.EXACTLY &&
getAlignItem(node, child) == CSSAlign.STRETCH) {
childWidth = availableInnerCrossDim;
childWidthMeasureMode = CSSMeasureMode.EXACTLY;
} else if (!(child.style.dimensions[dim[CSS_FLEX_DIRECTION_ROW]] >= 0.0)) {
childWidth = availableInnerCrossDim;
childWidthMeasureMode = Float.isNaN(childWidth) ? CSSMeasureMode.UNDEFINED : CSSMeasureMode.AT_MOST;
} else {
childWidth = child.style.dimensions[DIMENSION_WIDTH] + (child.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_ROW], leading[CSS_FLEX_DIRECTION_ROW]) + child.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_ROW], trailing[CSS_FLEX_DIRECTION_ROW]));
childWidthMeasureMode = CSSMeasureMode.EXACTLY;
}
// If child has no defined size in the cross axis and is set to stretch, set the cross
// axis to be measured exactly with the available inner width
if (!isMainAxisRow &&
!Float.isNaN(availableInnerWidth) &&
!(child.style.dimensions[dim[CSS_FLEX_DIRECTION_ROW]] >= 0.0) &&
widthMeasureMode == CSSMeasureMode.EXACTLY &&
getAlignItem(node, child) == CSSAlign.STRETCH) {
childWidth = availableInnerWidth;
childWidthMeasureMode = CSSMeasureMode.EXACTLY;
}
if (isMainAxisRow &&
!Float.isNaN(availableInnerHeight) &&
!(child.style.dimensions[dim[CSS_FLEX_DIRECTION_COLUMN]] >= 0.0) &&
heightMeasureMode == CSSMeasureMode.EXACTLY &&
getAlignItem(node, child) == CSSAlign.STRETCH) {
childHeight = availableInnerHeight;
childHeightMeasureMode = CSSMeasureMode.EXACTLY;
}
// Measure the child

Просмотреть файл

@ -1,7 +1,7 @@
The source of truth for css-layout is: https://github.com/facebook/css-layout
The code here should be kept in sync with GitHub.
HEAD at the time this code was synced: https://github.com/facebook/css-layout/commit/ca34ff44460bce122d02b27c0409a825f8de90b1
HEAD at the time this code was synced: https://github.com/facebook/css-layout/commit/a1f36b53f5464c8ee7abc311765dc3ecb1b879c6
There is generated code in:
- README (this file)