Float fabricFloatFromYogaOptionalFloat(YGFloatOptional value) {
if (value.isUndefined()) {
return kFloatUndefined;
}
return fabricFloatFromYogaFloat(value.getValue());
}
std::string stringFromYogaStyleOptionalFloat(YGFloatOptional value) {
if (value.isUndefined()) {
return "undefined";
}
return folly::to<std::string>(fabricFloatFromYogaFloat(value.getValue()));
}
YGSize YogaLayoutableShadowNode::yogaNodeMeasureCallbackConnector(YGNode *yogaNode, float width, YGMeasureMode widthMode, float height, YGMeasureMode heightMode) {
YogaLayoutableShadowNode *shadowNodeRawPtr = (YogaLayoutableShadowNode *)yogaNode->getContext();
assert(shadowNodeRawPtr);
Size minimumSize = Size {0, 0};
Size maximumSize = Size {kFloatMax, kFloatMax};
switch (widthMode) {
case YGMeasureModeUndefined:
break;
case YGMeasureModeExactly:
minimumSize.width = fabricFloatFromYogaFloat(width);
maximumSize.width = fabricFloatFromYogaFloat(width);
break;
case YGMeasureModeAtMost:
maximumSize.width = fabricFloatFromYogaFloat(width);
break;
}
switch (heightMode) {
case YGMeasureModeUndefined:
break;
case YGMeasureModeExactly:
minimumSize.height = fabricFloatFromYogaFloat(height);
maximumSize.height = fabricFloatFromYogaFloat(height);
break;
case YGMeasureModeAtMost:
maximumSize.height = fabricFloatFromYogaFloat(height);
break;
}
Size size = shadowNodeRawPtr->measure(LayoutConstraints {minimumSize, maximumSize});
return YGSize {
yogaFloatFromFabricFloat(size.width),
yogaFloatFromFabricFloat(size.height)
};
}
LayoutMetrics layoutMetricsFromYogaNode(YGNode &yogaNode) {
LayoutMetrics layoutMetrics;
YGLayout layout = yogaNode.getLayout();
layoutMetrics.frame = Rect {
Point {
fabricFloatFromYogaFloat(layout.position[YGEdgeLeft]),
fabricFloatFromYogaFloat(layout.position[YGEdgeTop])
},
Size {
fabricFloatFromYogaFloat(layout.dimensions[YGDimensionWidth]),
fabricFloatFromYogaFloat(layout.dimensions[YGDimensionHeight])
}
};
layoutMetrics.borderWidth = EdgeInsets {
fabricFloatFromYogaFloat(layout.border[YGEdgeLeft]),
fabricFloatFromYogaFloat(layout.border[YGEdgeTop]),
fabricFloatFromYogaFloat(layout.border[YGEdgeRight]),
fabricFloatFromYogaFloat(layout.border[YGEdgeBottom])
};
layoutMetrics.contentInsets = EdgeInsets {
fabricFloatFromYogaFloat(layout.border[YGEdgeLeft] + layout.padding[YGEdgeLeft]),
fabricFloatFromYogaFloat(layout.border[YGEdgeTop] + layout.padding[YGEdgeTop]),
fabricFloatFromYogaFloat(layout.border[YGEdgeRight] + layout.padding[YGEdgeRight]),
fabricFloatFromYogaFloat(layout.border[YGEdgeBottom] + layout.padding[YGEdgeBottom])
};
layoutMetrics.displayType =
yogaNode.getStyle().display == YGDisplayNone ? DisplayType::None : DisplayType::Flex;
layoutMetrics.layoutDirection =
layout.direction == YGDirectionRTL ? LayoutDirection::RightToLeft : LayoutDirection::LeftToRight;
return layoutMetrics;
}