687 lines
24 KiB
Objective-C
687 lines
24 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RCTShadowView.h"
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#import "RCTConvert.h"
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#import "RCTI18nUtil.h"
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#import "RCTLog.h"
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#import "RCTShadowView+Layout.h"
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#import "RCTUtils.h"
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#import "UIView+Private.h"
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#import "UIView+React.h"
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typedef void (^RCTActionBlock)(RCTShadowView *shadowViewSelf, id value);
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typedef void (^RCTResetActionBlock)(RCTShadowView *shadowViewSelf);
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typedef NS_ENUM(unsigned int, meta_prop_t) {
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META_PROP_LEFT,
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META_PROP_TOP,
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META_PROP_RIGHT,
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META_PROP_BOTTOM,
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META_PROP_START,
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META_PROP_END,
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META_PROP_HORIZONTAL,
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META_PROP_VERTICAL,
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META_PROP_ALL,
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META_PROP_COUNT,
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};
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@implementation RCTShadowView
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{
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NSDictionary *_lastParentProperties;
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NSMutableArray<RCTShadowView *> *_reactSubviews;
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BOOL _recomputePadding;
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BOOL _recomputeMargin;
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BOOL _recomputeBorder;
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YGValue _paddingMetaProps[META_PROP_COUNT];
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YGValue _marginMetaProps[META_PROP_COUNT];
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YGValue _borderMetaProps[META_PROP_COUNT];
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}
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+ (YGConfigRef)yogaConfig
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{
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static YGConfigRef yogaConfig;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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yogaConfig = YGConfigNew();
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YGConfigSetPointScaleFactor(yogaConfig, RCTScreenScale());
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YGConfigSetUseLegacyStretchBehaviour(yogaConfig, true);
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});
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return yogaConfig;
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}
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@synthesize reactTag = _reactTag;
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// YogaNode API
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static void RCTPrint(YGNodeRef node)
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{
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RCTShadowView *shadowView = (__bridge RCTShadowView *)YGNodeGetContext(node);
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printf("%s(%lld), ", shadowView.viewName.UTF8String, (long long)shadowView.reactTag.integerValue);
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}
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#define RCT_SET_YGVALUE(ygvalue, setter, ...) \
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switch (ygvalue.unit) { \
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case YGUnitAuto: \
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case YGUnitUndefined: \
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setter(__VA_ARGS__, YGUndefined); \
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break; \
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case YGUnitPoint: \
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setter(__VA_ARGS__, ygvalue.value); \
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break; \
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case YGUnitPercent: \
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setter##Percent(__VA_ARGS__, ygvalue.value); \
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break; \
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}
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#define RCT_SET_YGVALUE_AUTO(ygvalue, setter, ...) \
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switch (ygvalue.unit) { \
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case YGUnitAuto: \
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setter##Auto(__VA_ARGS__); \
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break; \
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case YGUnitUndefined: \
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setter(__VA_ARGS__, YGUndefined); \
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break; \
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case YGUnitPoint: \
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setter(__VA_ARGS__, ygvalue.value); \
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break; \
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case YGUnitPercent: \
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setter##Percent(__VA_ARGS__, ygvalue.value); \
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break; \
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}
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static void RCTProcessMetaPropsPadding(const YGValue metaProps[META_PROP_COUNT], YGNodeRef node) {
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if (![[RCTI18nUtil sharedInstance] doLeftAndRightSwapInRTL]) {
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RCT_SET_YGVALUE(metaProps[META_PROP_START], YGNodeStyleSetPadding, node, YGEdgeStart);
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RCT_SET_YGVALUE(metaProps[META_PROP_END], YGNodeStyleSetPadding, node, YGEdgeEnd);
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RCT_SET_YGVALUE(metaProps[META_PROP_LEFT], YGNodeStyleSetPadding, node, YGEdgeLeft);
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RCT_SET_YGVALUE(metaProps[META_PROP_RIGHT], YGNodeStyleSetPadding, node, YGEdgeRight);
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} else {
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YGValue start = metaProps[META_PROP_START].unit == YGUnitUndefined ? metaProps[META_PROP_LEFT] : metaProps[META_PROP_START];
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YGValue end = metaProps[META_PROP_END].unit == YGUnitUndefined ? metaProps[META_PROP_RIGHT] : metaProps[META_PROP_END];
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RCT_SET_YGVALUE(start, YGNodeStyleSetPadding, node, YGEdgeStart);
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RCT_SET_YGVALUE(end, YGNodeStyleSetPadding, node, YGEdgeEnd);
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}
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RCT_SET_YGVALUE(metaProps[META_PROP_TOP], YGNodeStyleSetPadding, node, YGEdgeTop);
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RCT_SET_YGVALUE(metaProps[META_PROP_BOTTOM], YGNodeStyleSetPadding, node, YGEdgeBottom);
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RCT_SET_YGVALUE(metaProps[META_PROP_HORIZONTAL], YGNodeStyleSetPadding, node, YGEdgeHorizontal);
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RCT_SET_YGVALUE(metaProps[META_PROP_VERTICAL], YGNodeStyleSetPadding, node, YGEdgeVertical);
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RCT_SET_YGVALUE(metaProps[META_PROP_ALL], YGNodeStyleSetPadding, node, YGEdgeAll);
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}
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static void RCTProcessMetaPropsMargin(const YGValue metaProps[META_PROP_COUNT], YGNodeRef node) {
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if (![[RCTI18nUtil sharedInstance] doLeftAndRightSwapInRTL]) {
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RCT_SET_YGVALUE_AUTO(metaProps[META_PROP_START], YGNodeStyleSetMargin, node, YGEdgeStart);
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RCT_SET_YGVALUE_AUTO(metaProps[META_PROP_END], YGNodeStyleSetMargin, node, YGEdgeEnd);
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RCT_SET_YGVALUE_AUTO(metaProps[META_PROP_LEFT], YGNodeStyleSetMargin, node, YGEdgeLeft);
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RCT_SET_YGVALUE_AUTO(metaProps[META_PROP_RIGHT], YGNodeStyleSetMargin, node, YGEdgeRight);
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} else {
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YGValue start = metaProps[META_PROP_START].unit == YGUnitUndefined ? metaProps[META_PROP_LEFT] : metaProps[META_PROP_START];
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YGValue end = metaProps[META_PROP_END].unit == YGUnitUndefined ? metaProps[META_PROP_RIGHT] : metaProps[META_PROP_END];
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RCT_SET_YGVALUE_AUTO(start, YGNodeStyleSetMargin, node, YGEdgeStart);
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RCT_SET_YGVALUE_AUTO(end, YGNodeStyleSetMargin, node, YGEdgeEnd);
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}
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RCT_SET_YGVALUE_AUTO(metaProps[META_PROP_TOP], YGNodeStyleSetMargin, node, YGEdgeTop);
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RCT_SET_YGVALUE_AUTO(metaProps[META_PROP_BOTTOM], YGNodeStyleSetMargin, node, YGEdgeBottom);
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RCT_SET_YGVALUE_AUTO(metaProps[META_PROP_HORIZONTAL], YGNodeStyleSetMargin, node, YGEdgeHorizontal);
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RCT_SET_YGVALUE_AUTO(metaProps[META_PROP_VERTICAL], YGNodeStyleSetMargin, node, YGEdgeVertical);
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RCT_SET_YGVALUE_AUTO(metaProps[META_PROP_ALL], YGNodeStyleSetMargin, node, YGEdgeAll);
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}
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static void RCTProcessMetaPropsBorder(const YGValue metaProps[META_PROP_COUNT], YGNodeRef node) {
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if (![[RCTI18nUtil sharedInstance] doLeftAndRightSwapInRTL]) {
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YGNodeStyleSetBorder(node, YGEdgeStart, metaProps[META_PROP_START].value);
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YGNodeStyleSetBorder(node, YGEdgeEnd, metaProps[META_PROP_END].value);
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YGNodeStyleSetBorder(node, YGEdgeLeft, metaProps[META_PROP_LEFT].value);
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YGNodeStyleSetBorder(node, YGEdgeRight, metaProps[META_PROP_RIGHT].value);
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} else {
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const float start = YGFloatIsUndefined(metaProps[META_PROP_START].value) ? metaProps[META_PROP_LEFT].value : metaProps[META_PROP_START].value;
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const float end = YGFloatIsUndefined(metaProps[META_PROP_END].value) ? metaProps[META_PROP_RIGHT].value : metaProps[META_PROP_END].value;
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YGNodeStyleSetBorder(node, YGEdgeStart, start);
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YGNodeStyleSetBorder(node, YGEdgeEnd, end);
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}
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YGNodeStyleSetBorder(node, YGEdgeTop, metaProps[META_PROP_TOP].value);
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YGNodeStyleSetBorder(node, YGEdgeBottom, metaProps[META_PROP_BOTTOM].value);
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YGNodeStyleSetBorder(node, YGEdgeHorizontal, metaProps[META_PROP_HORIZONTAL].value);
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YGNodeStyleSetBorder(node, YGEdgeVertical, metaProps[META_PROP_VERTICAL].value);
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YGNodeStyleSetBorder(node, YGEdgeAll, metaProps[META_PROP_ALL].value);
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}
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- (CGRect)measureLayoutRelativeToAncestor:(RCTShadowView *)ancestor
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{
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CGPoint offset = CGPointZero;
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NSInteger depth = 30; // max depth to search
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RCTShadowView *shadowView = self;
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while (depth && shadowView && shadowView != ancestor) {
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offset.x += shadowView.layoutMetrics.frame.origin.x;
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offset.y += shadowView.layoutMetrics.frame.origin.y;
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shadowView = shadowView->_superview;
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depth--;
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}
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if (ancestor != shadowView) {
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return CGRectNull;
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}
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return (CGRect){offset, self.layoutMetrics.frame.size};
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}
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- (BOOL)viewIsDescendantOf:(RCTShadowView *)ancestor
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{
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NSInteger depth = 30; // max depth to search
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RCTShadowView *shadowView = self;
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while (depth && shadowView && shadowView != ancestor) {
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shadowView = shadowView->_superview;
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depth--;
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}
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return ancestor == shadowView;
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}
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- (instancetype)init
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{
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if (self = [super init]) {
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for (unsigned int ii = 0; ii < META_PROP_COUNT; ii++) {
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_paddingMetaProps[ii] = YGValueUndefined;
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_marginMetaProps[ii] = YGValueUndefined;
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_borderMetaProps[ii] = YGValueUndefined;
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}
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_intrinsicContentSize = CGSizeMake(UIViewNoIntrinsicMetric, UIViewNoIntrinsicMetric);
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_newView = YES;
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_reactSubviews = [NSMutableArray array];
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_yogaNode = YGNodeNewWithConfig([[self class] yogaConfig]);
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YGNodeSetContext(_yogaNode, (__bridge void *)self);
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YGNodeSetPrintFunc(_yogaNode, RCTPrint);
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}
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return self;
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}
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- (BOOL)isReactRootView
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{
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return RCTIsReactRootView(self.reactTag);
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}
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- (void)dealloc
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{
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YGNodeFree(_yogaNode);
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}
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- (BOOL)canHaveSubviews
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{
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return YES;
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}
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- (BOOL)isYogaLeafNode
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{
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return NO;
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}
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- (void)insertReactSubview:(RCTShadowView *)subview atIndex:(NSInteger)atIndex
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{
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RCTAssert(self.canHaveSubviews, @"Attempt to insert subview inside leaf view.");
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[_reactSubviews insertObject:subview atIndex:atIndex];
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if (![self isYogaLeafNode]) {
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YGNodeInsertChild(_yogaNode, subview.yogaNode, (uint32_t)atIndex);
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}
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subview->_superview = self;
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}
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- (void)removeReactSubview:(RCTShadowView *)subview
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{
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subview->_superview = nil;
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[_reactSubviews removeObject:subview];
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if (![self isYogaLeafNode]) {
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YGNodeRemoveChild(_yogaNode, subview.yogaNode);
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}
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}
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- (NSArray<RCTShadowView *> *)reactSubviews
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{
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return _reactSubviews;
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}
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- (RCTShadowView *)reactSuperview
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{
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return _superview;
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}
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#pragma mark - Layout
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- (void)layoutWithMinimumSize:(CGSize)minimumSize
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maximumSize:(CGSize)maximumSize
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layoutDirection:(UIUserInterfaceLayoutDirection)layoutDirection
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layoutContext:(RCTLayoutContext)layoutContext
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{
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YGNodeRef yogaNode = _yogaNode;
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CGSize oldMinimumSize = (CGSize){
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RCTCoreGraphicsFloatFromYogaValue(YGNodeStyleGetMinWidth(yogaNode), 0.0),
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RCTCoreGraphicsFloatFromYogaValue(YGNodeStyleGetMinHeight(yogaNode), 0.0)
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};
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if (!CGSizeEqualToSize(oldMinimumSize, minimumSize)) {
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YGNodeStyleSetMinWidth(yogaNode, RCTYogaFloatFromCoreGraphicsFloat(minimumSize.width));
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YGNodeStyleSetMinHeight(yogaNode, RCTYogaFloatFromCoreGraphicsFloat(minimumSize.height));
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}
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YGNodeCalculateLayout(
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yogaNode,
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RCTYogaFloatFromCoreGraphicsFloat(maximumSize.width),
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RCTYogaFloatFromCoreGraphicsFloat(maximumSize.height),
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RCTYogaLayoutDirectionFromUIKitLayoutDirection(layoutDirection)
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);
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RCTAssert(!YGNodeIsDirty(yogaNode), @"Attempt to get layout metrics from dirtied Yoga node.");
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if (!YGNodeGetHasNewLayout(yogaNode)) {
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return;
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}
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RCTLayoutMetrics layoutMetrics = RCTLayoutMetricsFromYogaNode(yogaNode);
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layoutContext.absolutePosition.x += layoutMetrics.frame.origin.x;
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layoutContext.absolutePosition.y += layoutMetrics.frame.origin.y;
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[self layoutWithMetrics:layoutMetrics
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layoutContext:layoutContext];
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[self layoutSubviewsWithContext:layoutContext];
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}
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- (void)layoutWithMetrics:(RCTLayoutMetrics)layoutMetrics
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layoutContext:(RCTLayoutContext)layoutContext
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{
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if (!RCTLayoutMetricsEqualToLayoutMetrics(self.layoutMetrics, layoutMetrics)) {
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self.layoutMetrics = layoutMetrics;
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[layoutContext.affectedShadowViews addObject:self];
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}
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}
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- (void)layoutSubviewsWithContext:(RCTLayoutContext)layoutContext
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{
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RCTLayoutMetrics layoutMetrics = self.layoutMetrics;
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if (layoutMetrics.displayType == RCTDisplayTypeNone) {
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return;
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}
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for (RCTShadowView *childShadowView in _reactSubviews) {
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YGNodeRef childYogaNode = childShadowView.yogaNode;
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RCTAssert(!YGNodeIsDirty(childYogaNode), @"Attempt to get layout metrics from dirtied Yoga node.");
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if (!YGNodeGetHasNewLayout(childYogaNode)) {
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continue;
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}
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RCTLayoutMetrics childLayoutMetrics = RCTLayoutMetricsFromYogaNode(childYogaNode);
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layoutContext.absolutePosition.x += childLayoutMetrics.frame.origin.x;
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layoutContext.absolutePosition.y += childLayoutMetrics.frame.origin.y;
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[childShadowView layoutWithMetrics:childLayoutMetrics
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layoutContext:layoutContext];
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// Recursive call.
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[childShadowView layoutSubviewsWithContext:layoutContext];
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}
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}
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- (CGSize)sizeThatFitsMinimumSize:(CGSize)minimumSize maximumSize:(CGSize)maximumSize
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{
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YGNodeRef clonnedYogaNode = YGNodeClone(self.yogaNode);
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YGNodeRef constraintYogaNode = YGNodeNewWithConfig([[self class] yogaConfig]);
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YGNodeInsertChild(constraintYogaNode, clonnedYogaNode, 0);
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YGNodeStyleSetMinWidth(constraintYogaNode, RCTYogaFloatFromCoreGraphicsFloat(minimumSize.width));
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YGNodeStyleSetMinHeight(constraintYogaNode, RCTYogaFloatFromCoreGraphicsFloat(minimumSize.height));
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YGNodeStyleSetMaxWidth(constraintYogaNode, RCTYogaFloatFromCoreGraphicsFloat(maximumSize.width));
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YGNodeStyleSetMaxHeight(constraintYogaNode, RCTYogaFloatFromCoreGraphicsFloat(maximumSize.height));
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YGNodeCalculateLayout(
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constraintYogaNode,
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YGUndefined,
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YGUndefined,
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self.layoutMetrics.layoutDirection
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);
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CGSize measuredSize = (CGSize){
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetWidth(constraintYogaNode)),
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetHeight(constraintYogaNode)),
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};
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YGNodeRemoveChild(constraintYogaNode, clonnedYogaNode);
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YGNodeFree(constraintYogaNode);
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YGNodeFree(clonnedYogaNode);
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return measuredSize;
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}
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- (NSNumber *)reactTagAtPoint:(CGPoint)point
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{
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for (RCTShadowView *shadowView in _reactSubviews) {
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if (CGRectContainsPoint(shadowView.layoutMetrics.frame, point)) {
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CGPoint relativePoint = point;
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CGPoint origin = shadowView.layoutMetrics.frame.origin;
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relativePoint.x -= origin.x;
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relativePoint.y -= origin.y;
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return [shadowView reactTagAtPoint:relativePoint];
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}
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}
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return self.reactTag;
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}
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- (NSString *)description
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{
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NSString *description = super.description;
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description = [[description substringToIndex:description.length - 1] stringByAppendingFormat:@"; viewName: %@; reactTag: %@; frame: %@>", self.viewName, self.reactTag, NSStringFromCGRect(self.layoutMetrics.frame)];
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return description;
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}
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- (void)addRecursiveDescriptionToString:(NSMutableString *)string atLevel:(NSUInteger)level
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{
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for (NSUInteger i = 0; i < level; i++) {
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[string appendString:@" | "];
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}
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[string appendString:self.description];
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[string appendString:@"\n"];
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for (RCTShadowView *subview in _reactSubviews) {
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[subview addRecursiveDescriptionToString:string atLevel:level + 1];
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}
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}
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- (NSString *)recursiveDescription
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{
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NSMutableString *description = [NSMutableString string];
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[self addRecursiveDescriptionToString:description atLevel:0];
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return description;
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}
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// Margin
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#define RCT_MARGIN_PROPERTY(prop, metaProp) \
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- (void)setMargin##prop:(YGValue)value \
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{ \
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_marginMetaProps[META_PROP_##metaProp] = value; \
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_recomputeMargin = YES; \
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} \
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- (YGValue)margin##prop \
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{ \
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return _marginMetaProps[META_PROP_##metaProp]; \
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}
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RCT_MARGIN_PROPERTY(, ALL)
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RCT_MARGIN_PROPERTY(Vertical, VERTICAL)
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RCT_MARGIN_PROPERTY(Horizontal, HORIZONTAL)
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RCT_MARGIN_PROPERTY(Top, TOP)
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RCT_MARGIN_PROPERTY(Left, LEFT)
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RCT_MARGIN_PROPERTY(Bottom, BOTTOM)
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RCT_MARGIN_PROPERTY(Right, RIGHT)
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RCT_MARGIN_PROPERTY(Start, START)
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RCT_MARGIN_PROPERTY(End, END)
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// Padding
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#define RCT_PADDING_PROPERTY(prop, metaProp) \
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- (void)setPadding##prop:(YGValue)value \
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{ \
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_paddingMetaProps[META_PROP_##metaProp] = value; \
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_recomputePadding = YES; \
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} \
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- (YGValue)padding##prop \
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{ \
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return _paddingMetaProps[META_PROP_##metaProp]; \
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}
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RCT_PADDING_PROPERTY(, ALL)
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RCT_PADDING_PROPERTY(Vertical, VERTICAL)
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RCT_PADDING_PROPERTY(Horizontal, HORIZONTAL)
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RCT_PADDING_PROPERTY(Top, TOP)
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RCT_PADDING_PROPERTY(Left, LEFT)
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RCT_PADDING_PROPERTY(Bottom, BOTTOM)
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RCT_PADDING_PROPERTY(Right, RIGHT)
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RCT_PADDING_PROPERTY(Start, START)
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RCT_PADDING_PROPERTY(End, END)
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// Border
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#define RCT_BORDER_PROPERTY(prop, metaProp) \
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- (void)setBorder##prop##Width:(float)value \
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{ \
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_borderMetaProps[META_PROP_##metaProp].value = value; \
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_recomputeBorder = YES; \
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} \
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- (float)border##prop##Width \
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{ \
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return _borderMetaProps[META_PROP_##metaProp].value; \
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}
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RCT_BORDER_PROPERTY(, ALL)
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RCT_BORDER_PROPERTY(Top, TOP)
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RCT_BORDER_PROPERTY(Left, LEFT)
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RCT_BORDER_PROPERTY(Bottom, BOTTOM)
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RCT_BORDER_PROPERTY(Right, RIGHT)
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RCT_BORDER_PROPERTY(Start, START)
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RCT_BORDER_PROPERTY(End, END)
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// Dimensions
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#define RCT_DIMENSION_PROPERTY(setProp, getProp, cssProp) \
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- (void)set##setProp:(YGValue)value \
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{ \
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RCT_SET_YGVALUE_AUTO(value, YGNodeStyleSet##cssProp, _yogaNode); \
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} \
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- (YGValue)getProp \
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{ \
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return YGNodeStyleGet##cssProp(_yogaNode); \
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}
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#define RCT_MIN_MAX_DIMENSION_PROPERTY(setProp, getProp, cssProp) \
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- (void)set##setProp:(YGValue)value \
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{ \
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RCT_SET_YGVALUE(value, YGNodeStyleSet##cssProp, _yogaNode); \
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} \
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- (YGValue)getProp \
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{ \
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return YGNodeStyleGet##cssProp(_yogaNode); \
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}
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RCT_DIMENSION_PROPERTY(Width, width, Width)
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RCT_DIMENSION_PROPERTY(Height, height, Height)
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RCT_MIN_MAX_DIMENSION_PROPERTY(MinWidth, minWidth, MinWidth)
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RCT_MIN_MAX_DIMENSION_PROPERTY(MinHeight, minHeight, MinHeight)
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RCT_MIN_MAX_DIMENSION_PROPERTY(MaxWidth, maxWidth, MaxWidth)
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RCT_MIN_MAX_DIMENSION_PROPERTY(MaxHeight, maxHeight, MaxHeight)
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// Position
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#define RCT_POSITION_PROPERTY(setProp, getProp, edge) \
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- (void)set##setProp:(YGValue)value \
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{ \
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RCT_SET_YGVALUE(value, YGNodeStyleSetPosition, _yogaNode, edge); \
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} \
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- (YGValue)getProp \
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{ \
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return YGNodeStyleGetPosition(_yogaNode, edge); \
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}
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RCT_POSITION_PROPERTY(Top, top, YGEdgeTop)
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RCT_POSITION_PROPERTY(Bottom, bottom, YGEdgeBottom)
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RCT_POSITION_PROPERTY(Start, start, YGEdgeStart)
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RCT_POSITION_PROPERTY(End, end, YGEdgeEnd)
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- (void)setLeft:(YGValue)value
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{
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YGEdge edge = [[RCTI18nUtil sharedInstance] doLeftAndRightSwapInRTL] ? YGEdgeStart : YGEdgeLeft;
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RCT_SET_YGVALUE(value, YGNodeStyleSetPosition, _yogaNode, edge);
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}
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- (YGValue)left
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{
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YGEdge edge = [[RCTI18nUtil sharedInstance] doLeftAndRightSwapInRTL] ? YGEdgeStart : YGEdgeLeft;
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return YGNodeStyleGetPosition(_yogaNode, edge);
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}
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- (void)setRight:(YGValue)value
|
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{
|
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YGEdge edge = [[RCTI18nUtil sharedInstance] doLeftAndRightSwapInRTL] ? YGEdgeEnd : YGEdgeRight;
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RCT_SET_YGVALUE(value, YGNodeStyleSetPosition, _yogaNode, edge);
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}
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- (YGValue)right
|
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{
|
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YGEdge edge = [[RCTI18nUtil sharedInstance] doLeftAndRightSwapInRTL] ? YGEdgeEnd : YGEdgeRight;
|
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return YGNodeStyleGetPosition(_yogaNode, edge);
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}
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// Size
|
|
|
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- (CGSize)size
|
|
{
|
|
YGValue width = YGNodeStyleGetWidth(_yogaNode);
|
|
YGValue height = YGNodeStyleGetHeight(_yogaNode);
|
|
|
|
return CGSizeMake(
|
|
width.unit == YGUnitPoint ? width.value : NAN,
|
|
height.unit == YGUnitPoint ? height.value : NAN
|
|
);
|
|
}
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|
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- (void)setSize:(CGSize)size
|
|
{
|
|
YGNodeStyleSetWidth(_yogaNode, size.width);
|
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YGNodeStyleSetHeight(_yogaNode, size.height);
|
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}
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// IntrinsicContentSize
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static inline YGSize RCTShadowViewMeasure(YGNodeRef node, float width, YGMeasureMode widthMode, float height, YGMeasureMode heightMode)
|
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{
|
|
RCTShadowView *shadowView = (__bridge RCTShadowView *)YGNodeGetContext(node);
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|
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CGSize intrinsicContentSize = shadowView->_intrinsicContentSize;
|
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// Replace `UIViewNoIntrinsicMetric` (which equals `-1`) with zero.
|
|
intrinsicContentSize.width = MAX(0, intrinsicContentSize.width);
|
|
intrinsicContentSize.height = MAX(0, intrinsicContentSize.height);
|
|
|
|
YGSize result;
|
|
|
|
switch (widthMode) {
|
|
case YGMeasureModeUndefined:
|
|
result.width = intrinsicContentSize.width;
|
|
break;
|
|
case YGMeasureModeExactly:
|
|
result.width = width;
|
|
break;
|
|
case YGMeasureModeAtMost:
|
|
result.width = MIN(width, intrinsicContentSize.width);
|
|
break;
|
|
}
|
|
|
|
switch (heightMode) {
|
|
case YGMeasureModeUndefined:
|
|
result.height = intrinsicContentSize.height;
|
|
break;
|
|
case YGMeasureModeExactly:
|
|
result.height = height;
|
|
break;
|
|
case YGMeasureModeAtMost:
|
|
result.height = MIN(height, intrinsicContentSize.height);
|
|
break;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
- (void)setIntrinsicContentSize:(CGSize)intrinsicContentSize
|
|
{
|
|
if (CGSizeEqualToSize(_intrinsicContentSize, intrinsicContentSize)) {
|
|
return;
|
|
}
|
|
|
|
_intrinsicContentSize = intrinsicContentSize;
|
|
|
|
if (CGSizeEqualToSize(_intrinsicContentSize, CGSizeMake(UIViewNoIntrinsicMetric, UIViewNoIntrinsicMetric))) {
|
|
YGNodeSetMeasureFunc(_yogaNode, NULL);
|
|
} else {
|
|
YGNodeSetMeasureFunc(_yogaNode, RCTShadowViewMeasure);
|
|
}
|
|
|
|
YGNodeMarkDirty(_yogaNode);
|
|
}
|
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|
|
// Local Data
|
|
|
|
- (void)setLocalData:(__unused NSObject *)localData
|
|
{
|
|
// Do nothing by default.
|
|
}
|
|
|
|
// Flex
|
|
|
|
- (void)setFlexBasis:(YGValue)value
|
|
{
|
|
RCT_SET_YGVALUE_AUTO(value, YGNodeStyleSetFlexBasis, _yogaNode);
|
|
}
|
|
|
|
- (YGValue)flexBasis
|
|
{
|
|
return YGNodeStyleGetFlexBasis(_yogaNode);
|
|
}
|
|
|
|
#define RCT_STYLE_PROPERTY(setProp, getProp, cssProp, type) \
|
|
- (void)set##setProp:(type)value \
|
|
{ \
|
|
YGNodeStyleSet##cssProp(_yogaNode, value); \
|
|
} \
|
|
- (type)getProp \
|
|
{ \
|
|
return YGNodeStyleGet##cssProp(_yogaNode); \
|
|
}
|
|
|
|
RCT_STYLE_PROPERTY(Flex, flex, Flex, float)
|
|
RCT_STYLE_PROPERTY(FlexGrow, flexGrow, FlexGrow, float)
|
|
RCT_STYLE_PROPERTY(FlexShrink, flexShrink, FlexShrink, float)
|
|
RCT_STYLE_PROPERTY(FlexDirection, flexDirection, FlexDirection, YGFlexDirection)
|
|
RCT_STYLE_PROPERTY(JustifyContent, justifyContent, JustifyContent, YGJustify)
|
|
RCT_STYLE_PROPERTY(AlignSelf, alignSelf, AlignSelf, YGAlign)
|
|
RCT_STYLE_PROPERTY(AlignItems, alignItems, AlignItems, YGAlign)
|
|
RCT_STYLE_PROPERTY(AlignContent, alignContent, AlignContent, YGAlign)
|
|
RCT_STYLE_PROPERTY(Position, position, PositionType, YGPositionType)
|
|
RCT_STYLE_PROPERTY(FlexWrap, flexWrap, FlexWrap, YGWrap)
|
|
RCT_STYLE_PROPERTY(Overflow, overflow, Overflow, YGOverflow)
|
|
RCT_STYLE_PROPERTY(Display, display, Display, YGDisplay)
|
|
RCT_STYLE_PROPERTY(Direction, direction, Direction, YGDirection)
|
|
RCT_STYLE_PROPERTY(AspectRatio, aspectRatio, AspectRatio, float)
|
|
|
|
- (void)didUpdateReactSubviews
|
|
{
|
|
// Does nothing by default
|
|
}
|
|
|
|
- (void)didSetProps:(__unused NSArray<NSString *> *)changedProps
|
|
{
|
|
if (_recomputePadding) {
|
|
RCTProcessMetaPropsPadding(_paddingMetaProps, _yogaNode);
|
|
}
|
|
if (_recomputeMargin) {
|
|
RCTProcessMetaPropsMargin(_marginMetaProps, _yogaNode);
|
|
}
|
|
if (_recomputeBorder) {
|
|
RCTProcessMetaPropsBorder(_borderMetaProps, _yogaNode);
|
|
}
|
|
_recomputeMargin = NO;
|
|
_recomputePadding = NO;
|
|
_recomputeBorder = NO;
|
|
}
|
|
|
|
@end
|