Import new C source of truth css-layout

fbshipit-source-id: e866918d6c62fc1cf3a04c269f782b94db9b875a

java/com/facebook/csslayout/CSSStyle.java

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+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package com.facebook.csslayout;
+
+import java.util.Arrays;
+
+/**
+ * The CSS style definition for a {@link CSSNode}.
+ */
+public class CSSStyle {
+
+  public CSSDirection direction;
+  public CSSFlexDirection flexDirection;
+  public CSSJustify justifyContent;
+  public CSSAlign alignContent;
+  public CSSAlign alignItems;
+  public CSSAlign alignSelf;
+  public CSSPositionType positionType;
+  public CSSWrap flexWrap;
+  public CSSOverflow overflow;
+  public float flex;
+
+  public Spacing margin = new Spacing();
+  public Spacing padding = new Spacing();
+  public Spacing border = new Spacing();
+
+  public float[] position = new float[4];
+  public float[] dimensions = new float[2];
+
+  public float minWidth = CSSConstants.UNDEFINED;
+  public float minHeight = CSSConstants.UNDEFINED;
+
+  public float maxWidth = CSSConstants.UNDEFINED;
+  public float maxHeight = CSSConstants.UNDEFINED;
+
+  CSSStyle() {
+    reset();
+  }
+
+  void reset() {
+    direction = CSSDirection.INHERIT;
+    flexDirection = CSSFlexDirection.COLUMN;
+    justifyContent = CSSJustify.FLEX_START;
+    alignContent = CSSAlign.FLEX_START;
+    alignItems = CSSAlign.STRETCH;
+    alignSelf = CSSAlign.AUTO;
+    positionType = CSSPositionType.RELATIVE;
+    flexWrap = CSSWrap.NOWRAP;
+    overflow = CSSOverflow.VISIBLE;
+    flex = 0f;
+
+    margin.reset();;
+    padding.reset();
+    border.reset();
+
+    Arrays.fill(position, CSSConstants.UNDEFINED);
+    Arrays.fill(dimensions, CSSConstants.UNDEFINED);
+
+    minWidth = CSSConstants.UNDEFINED;
+    minHeight = CSSConstants.UNDEFINED;
+
+    maxWidth = CSSConstants.UNDEFINED;
+    maxHeight = CSSConstants.UNDEFINED;
+  }
+}