YogaLayoutProps writeToYogaNode()

in litho-core/src/main/java/com/facebook/litho/LithoNode.java [1131:1222]
75 lines of code
24 McCabe index (conditional complexity)

  YogaLayoutProps writeToYogaNode(final YogaNode node) {
    final YogaLayoutProps writer = createYogaNodeWriter(node);

    // Apply the extra layout props
    if (mLayoutDirection != null) {
      node.setDirection(mLayoutDirection);
    }

    if (mFlexDirection != null) {
      node.setFlexDirection(mFlexDirection);
    }
    if (mJustifyContent != null) {
      node.setJustifyContent(mJustifyContent);
    }
    if (mAlignContent != null) {
      node.setAlignContent(mAlignContent);
    }
    if (mAlignItems != null) {
      node.setAlignItems(mAlignItems);
    }
    if (mYogaWrap != null) {
      node.setWrap(mYogaWrap);
    }
    if (mYogaMeasureFunction != null) {
      node.setMeasureFunction(mYogaMeasureFunction);
    }

    // Apply the layout props from the components to the YogaNode
    for (ScopedComponentInfo info : mScopedComponentInfos) {
      final Component component = info.getComponent();
      // If a NestedTreeHolder is set then transfer its resolved props into this LithoNode.
      if (mNestedTreeHolder != null && isLayoutSpecWithSizeSpec(component)) {
        mNestedTreeHolder.transferInto(this);
        if (mBackground != null) {
          setPaddingFromDrawable(writer, mBackground);
        }
      } else {
        final CommonProps props = component.getCommonProps();
        if (props != null) {
          final int styleAttr = props.getDefStyleAttr();
          final int styleRes = props.getDefStyleRes();
          if (styleAttr != 0 || styleRes != 0) {
            final Context context = getTailComponentContext().getAndroidContext();
            final TypedArray a =
                context.obtainStyledAttributes(
                    null, com.facebook.litho.R.styleable.ComponentLayout, styleAttr, styleRes);
            applyLayoutStyleAttributes(writer, a);
            a.recycle();
          }

          // Set the padding from the background
          final Drawable background = props.getBackground();
          if (background != null) {
            setPaddingFromDrawable(writer, background);
          }

          // Copy the layout props into this LithoNode.
          props.copyLayoutProps(writer);
        }
      }
    }

    // Apply the border widths
    if ((mPrivateFlags & PFLAG_BORDER_IS_SET) != 0L) {
      for (int i = 0, length = mBorderEdgeWidths.length; i < length; ++i) {
        writer.setBorderWidth(Border.edgeFromIndex(i), mBorderEdgeWidths[i]);
      }
    }

    // Maybe apply the padding if parent is a Nested Tree Holder
    if (mNestedPaddingEdges != null) {
      for (int i = 0; i < Edges.EDGES_LENGTH; i++) {
        float value = mNestedPaddingEdges.getRaw(i);
        if (!YogaConstants.isUndefined(value)) {
          final YogaEdge edge = YogaEdge.fromInt(i);
          if (mNestedIsPaddingPercent != null && mNestedIsPaddingPercent[edge.intValue()]) {
            writer.paddingPercent(edge, value);
          } else {
            writer.paddingPx(edge, (int) value);
          }
        }
      }
    }

    if (mDebugLayoutProps != null) {
      mDebugLayoutProps.copyInto(writer);
    }

    mIsPaddingSet = writer.isPaddingSet;

    return writer;
  }