static void onMeasure()

in litho-widget/src/main/java/com/facebook/litho/widget/TextSpec.java [284:400]
105 lines of code
5 McCabe index (conditional complexity)

  static void onMeasure(
      ComponentContext context,
      ComponentLayout layout,
      int widthSpec,
      int heightSpec,
      Size size,
      @Prop(resType = ResType.STRING) @Nullable CharSequence text,
      @Nullable @Prop(optional = true) TruncateAt ellipsize,
      @Prop(optional = true, resType = ResType.BOOL) boolean shouldIncludeFontPadding,
      @Prop(optional = true, resType = ResType.INT) int minLines,
      @Prop(optional = true, resType = ResType.INT) int maxLines,
      @Prop(optional = true, resType = ResType.INT) int minEms,
      @Prop(optional = true, resType = ResType.INT) int maxEms,
      @Prop(optional = true, resType = ResType.DIMEN_SIZE) int minTextWidth,
      @Prop(optional = true, resType = ResType.DIMEN_SIZE) int maxTextWidth,
      @Prop(optional = true, resType = ResType.DIMEN_OFFSET) float shadowRadius,
      @Prop(optional = true, resType = ResType.DIMEN_OFFSET) float shadowDx,
      @Prop(optional = true, resType = ResType.DIMEN_OFFSET) float shadowDy,
      @Prop(optional = true, resType = ResType.COLOR) int shadowColor,
      @Prop(optional = true, resType = ResType.BOOL) boolean isSingleLine,
      @Prop(optional = true, resType = ResType.COLOR) int textColor,
      @Prop(optional = true) ColorStateList textColorStateList,
      @Prop(optional = true, resType = ResType.COLOR) int linkColor,
      @Prop(optional = true, resType = ResType.DIMEN_TEXT) int textSize,
      @Prop(optional = true, resType = ResType.DIMEN_OFFSET) float extraSpacing,
      @Prop(optional = true, resType = ResType.FLOAT) float spacingMultiplier,
      @Prop(optional = true, resType = ResType.FLOAT) float letterSpacing,
      @Prop(optional = true) int textStyle,
      @Prop(optional = true) @Nullable Typeface typeface,
      @Prop(optional = true) @Nullable @Deprecated Alignment textAlignment,
      @Nullable @Prop(optional = true) TextAlignment alignment,
      @Prop(optional = true) int breakStrategy,
      @Prop(optional = true) int hyphenationFrequency,
      @Prop(optional = true) int justificationMode,
      @Prop(optional = true) boolean glyphWarming,
      @Nullable @Prop(optional = true) TextDirectionHeuristicCompat textDirection,
      @Prop(optional = true) boolean minimallyWide,
      @Prop(optional = true, resType = ResType.DIMEN_SIZE) int minimallyWideThreshold,
      @Prop(optional = true, resType = ResType.DIMEN_TEXT) float lineHeight,
      Output<Layout> measureLayout,
      Output<Integer> measuredWidth,
      Output<Integer> measuredHeight) {

    if (TextUtils.isEmpty(text)) {
      measureLayout.set(null);
      size.width = 0;
      size.height = 0;
      return;
    }

    Layout newLayout =
        createTextLayout(
            context,
            widthSpec,
            ellipsize,
            shouldIncludeFontPadding,
            maxLines,
            shadowRadius,
            shadowDx,
            shadowDy,
            shadowColor,
            isSingleLine,
            text,
            textColor,
            textColorStateList,
            linkColor,
            textSize,
            extraSpacing,
            spacingMultiplier,
            letterSpacing,
            textStyle,
            typeface,
            getTextAlignment(textAlignment, alignment),
            glyphWarming,
            layout.getResolvedLayoutDirection(),
            minEms,
            maxEms,
            minTextWidth,
            maxTextWidth,
            context.getAndroidContext().getResources().getDisplayMetrics().density,
            breakStrategy,
            hyphenationFrequency,
            justificationMode,
            textDirection,
            lineHeight);

    measureLayout.set(newLayout);

    size.width = resolveWidth(widthSpec, newLayout, minimallyWide, minimallyWideThreshold);

    // Adjust height according to the minimum number of lines.
    int preferredHeight = LayoutMeasureUtil.getHeight(newLayout);
    final int lineCount = newLayout.getLineCount();
    if (lineCount < minLines) {
      final TextPaint paint = newLayout.getPaint();

      final int layoutLineHeight =
          Math.round(paint.getFontMetricsInt(null) * spacingMultiplier + extraSpacing);
      preferredHeight += layoutLineHeight * (minLines - lineCount);
    }

    size.height = SizeSpec.resolveSize(heightSpec, preferredHeight);

    // Some devices seem to be returning negative sizes in some cases.
    if (size.width < 0 || size.height < 0) {
      size.width = Math.max(size.width, 0);
      size.height = Math.max(size.height, 0);

      ComponentsReporter.emitMessage(
          ComponentsReporter.LogLevel.ERROR,
          WRONG_TEXT_SIZE,
          "Text layout measured to less than 0 pixels");
    }

    measuredWidth.set(size.width);
    measuredHeight.set(size.height);
  }