This commit is contained in:
Colin Eberhardt 2015-11-12 14:31:58 +00:00
Родитель 609d4ae69d
Коммит bae4eb1830
5 изменённых файлов: 216 добавлений и 108 удалений

3
dist/css-layout.h поставляемый
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@ -1162,7 +1162,10 @@ static void layoutNodeImpl(css_node_t *node, float parentMaxWidth, css_direction
// For a relative children, we're either using alignItems (parent) or
// alignSelf (child) in order to determine the position in the cross axis
if (child->style.position_type == CSS_POSITION_RELATIVE) {
/*eslint-disable */
// This variable is intentionally re-defined as the code is transpiled to a block scope language
css_align_t alignItem = getAlignItem(node, child);
/*eslint-enable */
if (alignItem == CSS_ALIGN_STRETCH) {
// You can only stretch if the dimension has not already been set
// previously.

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dist/css-layout.jar поставляемый

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317
dist/css-layout.js поставляемый
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@ -3,7 +3,7 @@
//
// This file uses the following specific UMD implementation:
// https://github.com/umdjs/umd/blob/master/returnExports.js
(function (root, factory) {
(function(root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define([], factory);
@ -16,8 +16,8 @@
// Browser globals (root is window)
root.computeLayout = factory();
}
}(this, function () {
/**
}(this, function() {
/**
* Copyright (c) 2014, Facebook, Inc.
* All rights reserved.
*
@ -78,33 +78,11 @@ var computeLayout = (function() {
'column-reverse': 'height'
};
function capitalizeFirst(str) {
return str.charAt(0).toUpperCase() + str.slice(1);
}
function getSpacing(node, type, suffix, locations) {
for (var i = 0; i < locations.length; ++i) {
var location = locations[i];
var key = type + capitalizeFirst(location) + suffix;
if (key in node.style) {
return node.style[key];
}
key = type + suffix;
if (key in node.style) {
return node.style[key];
}
}
return 0;
}
// When transpiled to Java / C the node type has layout, children and style
// properties. For the JavaScript version this function adds these properties
// if they don't already exist.
function fillNodes(node) {
if (!node.layout) {
if (!node.layout || node.isDirty) {
node.layout = {
width: undefined,
height: undefined,
@ -126,24 +104,6 @@ var computeLayout = (function() {
return node;
}
function getPositiveSpacing(node, type, suffix, locations) {
for (var i = 0; i < locations.length; ++i) {
var location = locations[i];
var key = type + capitalizeFirst(location) + suffix;
if (key in node.style && node.style[key] >= 0) {
return node.style[key];
}
key = type + suffix;
if (key in node.style && node.style[key] >= 0) {
return node.style[key];
}
}
return 0;
}
function isUndefined(value) {
return value === undefined;
}
@ -158,58 +118,152 @@ var computeLayout = (function() {
flexDirection === CSS_FLEX_DIRECTION_COLUMN_REVERSE;
}
function getLeadingLocations(axis) {
var locations = [leading[axis]];
if (isRowDirection(axis)) {
locations.unshift('start');
}
return locations;
}
function getTrailingLocations(axis) {
var locations = [trailing[axis]];
if (isRowDirection(axis)) {
locations.unshift('end');
}
return locations;
}
function getMargin(node, locations) {
return getSpacing(node, 'margin', '', locations);
}
function getLeadingMargin(node, axis) {
return getMargin(node, getLeadingLocations(axis));
if (node.style.marginStart !== undefined && isRowDirection(axis)) {
return node.style.marginStart;
}
var value = null;
switch (axis) {
case 'row': value = node.style.marginLeft; break;
case 'row-reverse': value = node.style.marginRight; break;
case 'column': value = node.style.marginTop; break;
case 'column-reverse': value = node.style.marginBottom; break;
}
if (value !== undefined) {
return value;
}
if (node.style.margin !== undefined) {
return node.style.margin;
}
return 0;
}
function getTrailingMargin(node, axis) {
return getMargin(node, getTrailingLocations(axis));
}
if (node.style.marginEnd !== undefined && isRowDirection(axis)) {
return node.style.marginEnd;
}
function getPadding(node, locations) {
return getPositiveSpacing(node, 'padding', '', locations);
var value = null;
switch (axis) {
case 'row': value = node.style.marginRight; break;
case 'row-reverse': value = node.style.marginLeft; break;
case 'column': value = node.style.marginBottom; break;
case 'column-reverse': value = node.style.marginTop; break;
}
if (value != null) {
return value;
}
if (node.style.margin !== undefined) {
return node.style.margin;
}
return 0;
}
function getLeadingPadding(node, axis) {
return getPadding(node, getLeadingLocations(axis));
if (node.style.paddingStart !== undefined && node.style.paddingStart >= 0
&& isRowDirection(axis)) {
return node.style.paddingStart;
}
var value = null;
switch (axis) {
case 'row': value = node.style.paddingLeft; break;
case 'row-reverse': value = node.style.paddingRight; break;
case 'column': value = node.style.paddingTop; break;
case 'column-reverse': value = node.style.paddingBottom; break;
}
if (value != null && value >= 0) {
return value;
}
if (node.style.padding !== undefined && node.style.padding >= 0) {
return node.style.padding;
}
return 0;
}
function getTrailingPadding(node, axis) {
return getPadding(node, getTrailingLocations(axis));
}
if (node.style.paddingEnd !== undefined && node.style.paddingEnd >= 0
&& isRowDirection(axis)) {
return node.style.paddingEnd;
}
function getBorder(node, locations) {
return getPositiveSpacing(node, 'border', 'Width', locations);
var value = null;
switch (axis) {
case 'row': value = node.style.paddingRight; break;
case 'row-reverse': value = node.style.paddingLeft; break;
case 'column': value = node.style.paddingBottom; break;
case 'column-reverse': value = node.style.paddingTop; break;
}
if (value != null && value >= 0) {
return value;
}
if (node.style.padding !== undefined && node.style.padding >= 0) {
return node.style.padding;
}
return 0;
}
function getLeadingBorder(node, axis) {
return getBorder(node, getLeadingLocations(axis));
if (node.style.borderStartWidth !== undefined && node.style.borderStartWidth >= 0
&& isRowDirection(axis)) {
return node.style.borderStartWidth;
}
var value = null;
switch (axis) {
case 'row': value = node.style.borderLeftWidth; break;
case 'row-reverse': value = node.style.borderRightWidth; break;
case 'column': value = node.style.borderTopWidth; break;
case 'column-reverse': value = node.style.borderBottomWidth; break;
}
if (value != null && value >= 0) {
return value;
}
if (node.style.borderWidth !== undefined && node.style.borderWidth >= 0) {
return node.style.borderWidth;
}
return 0;
}
function getTrailingBorder(node, axis) {
return getBorder(node, getTrailingLocations(axis));
if (node.style.borderEndWidth !== undefined && node.style.borderEndWidth >= 0
&& isRowDirection(axis)) {
return node.style.borderEndWidth;
}
var value = null;
switch (axis) {
case 'row': value = node.style.borderRightWidth; break;
case 'row-reverse': value = node.style.borderLeftWidth; break;
case 'column': value = node.style.borderBottomWidth; break;
case 'column-reverse': value = node.style.borderTopWidth; break;
}
if (value != null && value >= 0) {
return value;
}
if (node.style.borderWidth !== undefined && node.style.borderWidth >= 0) {
return node.style.borderWidth;
}
return 0;
}
function getLeadingPaddingAndBorder(node, axis) {
@ -234,24 +288,24 @@ var computeLayout = (function() {
}
function getJustifyContent(node) {
if ('justifyContent' in node.style) {
if (node.style.justifyContent) {
return node.style.justifyContent;
}
return 'flex-start';
}
function getAlignContent(node) {
if ('alignContent' in node.style) {
if (node.style.alignContent) {
return node.style.alignContent;
}
return 'flex-start';
}
function getAlignItem(node, child) {
if ('alignSelf' in child.style) {
if (child.style.alignSelf) {
return child.style.alignSelf;
}
if ('alignItems' in node.style) {
if (node.style.alignItems) {
return node.style.alignItems;
}
return 'stretch';
@ -271,7 +325,7 @@ var computeLayout = (function() {
function resolveDirection(node, parentDirection) {
var direction;
if ('direction' in node.style) {
if (node.style.direction) {
direction = node.style.direction;
} else {
direction = CSS_DIRECTION_INHERIT;
@ -285,7 +339,7 @@ var computeLayout = (function() {
}
function getFlexDirection(node) {
if ('flexDirection' in node.style) {
if (node.style.flexDirection) {
return node.style.flexDirection;
}
return CSS_FLEX_DIRECTION_COLUMN;
@ -300,7 +354,7 @@ var computeLayout = (function() {
}
function getPositionType(node) {
if ('position' in node.style) {
if (node.style.position) {
return node.style.position;
}
return 'relative';
@ -322,19 +376,19 @@ var computeLayout = (function() {
}
function isDimDefined(node, axis) {
return !isUndefined(node.style[dim[axis]]) && node.style[dim[axis]] >= 0;
return node.style[dim[axis]] !== undefined && node.style[dim[axis]] >= 0;
}
function isPosDefined(node, pos) {
return !isUndefined(node.style[pos]);
return node.style[pos] !== undefined;
}
function isMeasureDefined(node) {
return 'measure' in node.style;
return node.style.measure !== undefined;
}
function getPosition(node, pos) {
if (pos in node.style) {
if (node.style[pos] !== undefined) {
return node.style[pos];
}
return 0;
@ -356,10 +410,10 @@ var computeLayout = (function() {
}[axis];
var boundValue = value;
if (!isUndefined(max) && max >= 0 && boundValue > max) {
if (max !== undefined && max >= 0 && boundValue > max) {
boundValue = max;
}
if (!isUndefined(min) && min >= 0 && boundValue < min) {
if (min !== undefined && min >= 0 && boundValue < min) {
boundValue = min;
}
return boundValue;
@ -375,7 +429,7 @@ var computeLayout = (function() {
// When the user specifically sets a value for width or height
function setDimensionFromStyle(node, axis) {
// The parent already computed us a width or height. We just skip it
if (!isUndefined(node.layout[dim[axis]])) {
if (node.layout[dim[axis]] !== undefined) {
return;
}
// We only run if there's a width or height defined
@ -398,13 +452,13 @@ var computeLayout = (function() {
// If both left and right are defined, then use left. Otherwise return
// +left or -right depending on which is defined.
function getRelativePosition(node, axis) {
if (leading[axis] in node.style) {
if (node.style[leading[axis]] !== undefined) {
return getPosition(node, leading[axis]);
}
return -getPosition(node, trailing[axis]);
}
function layoutNode(node, parentMaxWidth, /*css_direction_t*/parentDirection) {
function layoutNodeImpl(node, parentMaxWidth, /*css_direction_t*/parentDirection) {
var/*css_direction_t*/ direction = resolveDirection(node, parentDirection);
var/*(c)!css_flex_direction_t*//*(java)!int*/ mainAxis = resolveAxis(getFlexDirection(node), direction);
var/*(c)!css_flex_direction_t*//*(java)!int*/ crossAxis = getCrossFlexDirection(mainAxis, direction);
@ -530,8 +584,8 @@ var computeLayout = (function() {
// immediately stacked in the initial loop will not be touched again
// in <Loop C>.
var/*bool*/ isSimpleStackMain =
(isMainDimDefined && justifyContent == CSS_JUSTIFY_FLEX_START) ||
(!isMainDimDefined && justifyContent != CSS_JUSTIFY_CENTER);
(isMainDimDefined && justifyContent === CSS_JUSTIFY_FLEX_START) ||
(!isMainDimDefined && justifyContent !== CSS_JUSTIFY_CENTER);
var/*int*/ firstComplexMain = (isSimpleStackMain ? childCount : startLine);
// Use the initial line loop to position children in the cross axis for
@ -669,7 +723,7 @@ var computeLayout = (function() {
// we found a non-trivial child. The remaining children will be laid out
// in <Loop C>.
if (isSimpleStackMain &&
(getPositionType(child) != CSS_POSITION_RELATIVE || isFlex(child))) {
(getPositionType(child) !== CSS_POSITION_RELATIVE || isFlex(child))) {
isSimpleStackMain = false;
firstComplexMain = i;
}
@ -678,8 +732,8 @@ var computeLayout = (function() {
// we found a non-trivial child. The remaining children will be laid out
// in <Loop D>.
if (isSimpleStackCross &&
(getPositionType(child) != CSS_POSITION_RELATIVE ||
(alignItem !== CSS_ALIGN_STRETCH && alignItem != CSS_ALIGN_FLEX_START) ||
(getPositionType(child) !== CSS_POSITION_RELATIVE ||
(alignItem !== CSS_ALIGN_STRETCH && alignItem !== CSS_ALIGN_FLEX_START) ||
isUndefined(child.layout[dim[crossAxis]]))) {
isSimpleStackCross = false;
firstComplexCross = i;
@ -876,7 +930,10 @@ var computeLayout = (function() {
// For a relative children, we're either using alignItems (parent) or
// alignSelf (child) in order to determine the position in the cross axis
if (getPositionType(child) === CSS_POSITION_RELATIVE) {
/*eslint-disable */
// This variable is intentionally re-defined as the code is transpiled to a block scope language
var/*css_align_t*/ alignItem = getAlignItem(node, child);
/*eslint-enable */
if (alignItem === CSS_ALIGN_STRETCH) {
// You can only stretch if the dimension has not already been set
// previously.
@ -1013,8 +1070,8 @@ var computeLayout = (function() {
paddingAndBorderAxisMain
);
if (mainAxis == CSS_FLEX_DIRECTION_ROW_REVERSE ||
mainAxis == CSS_FLEX_DIRECTION_COLUMN_REVERSE) {
if (mainAxis === CSS_FLEX_DIRECTION_ROW_REVERSE ||
mainAxis === CSS_FLEX_DIRECTION_COLUMN_REVERSE) {
needsMainTrailingPos = true;
}
}
@ -1028,8 +1085,8 @@ var computeLayout = (function() {
paddingAndBorderAxisCross
);
if (crossAxis == CSS_FLEX_DIRECTION_ROW_REVERSE ||
crossAxis == CSS_FLEX_DIRECTION_COLUMN_REVERSE) {
if (crossAxis === CSS_FLEX_DIRECTION_ROW_REVERSE ||
crossAxis === CSS_FLEX_DIRECTION_COLUMN_REVERSE) {
needsCrossTrailingPos = true;
}
}
@ -1088,7 +1145,52 @@ var computeLayout = (function() {
}
}
function layoutNode(node, parentMaxWidth, parentDirection) {
node.shouldUpdate = true;
var direction = node.style.direction || CSS_DIRECTION_LTR;
var skipLayout =
!node.isDirty &&
node.lastLayout &&
node.lastLayout.requestedHeight === node.layout.height &&
node.lastLayout.requestedWidth === node.layout.width &&
node.lastLayout.parentMaxWidth === parentMaxWidth &&
node.lastLayout.direction === direction;
if (skipLayout) {
node.layout.width = node.lastLayout.width;
node.layout.height = node.lastLayout.height;
node.layout.top = node.lastLayout.top;
node.layout.left = node.lastLayout.left;
} else {
if (!node.lastLayout) {
node.lastLayout = {};
}
node.lastLayout.requestedWidth = node.layout.width;
node.lastLayout.requestedHeight = node.layout.height;
node.lastLayout.parentMaxWidth = parentMaxWidth;
node.lastLayout.direction = direction;
// Reset child layouts
node.children.forEach(function(child) {
child.layout.width = undefined;
child.layout.height = undefined;
child.layout.top = 0;
child.layout.left = 0;
});
layoutNodeImpl(node, parentMaxWidth, parentDirection);
node.lastLayout.width = node.layout.width;
node.lastLayout.height = node.layout.height;
node.lastLayout.top = node.layout.top;
node.lastLayout.left = node.layout.left;
}
}
return {
layoutNodeImpl: layoutNodeImpl,
computeLayout: layoutNode,
fillNodes: fillNodes
};
@ -1102,8 +1204,11 @@ if (typeof exports === 'object') {
}
return function(node) {
computeLayout.fillNodes(node);
computeLayout.computeLayout(node);
return function(node) {
/*eslint-disable */
// disabling ESLint because this code relies on the above include
computeLayout.fillNodes(node);
computeLayout.computeLayout(node);
/*eslint-enable */
};
}));

2
dist/css-layout.min.js поставляемый

Различия файлов скрыты, потому что одна или несколько строк слишком длинны

2
dist/css-layout.min.js.map поставляемый

Различия файлов скрыты, потому что одна или несколько строк слишком длинны