Add jni bindings

Summary: Add jni bindings for csslayout. First step in many of removing LayoutEngine.java and performing all layout in native.

Reviewed By: lucasr

Differential Revision: D3648793

fbshipit-source-id: d0e696e196fa7c63109c9117a65645ca3d6c9c00

java/com/facebook/csslayout/CSSNodeAPI.java

@@ -0,0 +1,93 @@
+/**
+ * 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;
+
+public interface CSSNodeAPI<CSSNodeType extends CSSNodeAPI> {
+
+  interface MeasureFunction {
+    void measure(
+        CSSNodeAPI node,
+        float width,
+        CSSMeasureMode widthMode,
+        float height,
+        CSSMeasureMode heightMode,
+        MeasureOutput measureOutput);
+  }
+
+  int getChildCount();
+  CSSNodeType getChildAt(int i);
+  void addChildAt(CSSNodeType child, int i);
+  CSSNodeType removeChildAt(int i);
+  CSSNodeType getParent();
+  int indexOf(CSSNodeType child);
+  void setMeasureFunction(MeasureFunction measureFunction);
+  boolean isMeasureDefined();
+  void setIsTextNode(boolean isTextNode);
+  boolean isTextNode();
+  void calculateLayout(CSSLayoutContext layoutContext);
+  boolean isDirty();
+  boolean hasNewLayout();
+  void dirty();
+  void markLayoutSeen();
+  boolean valuesEqual(float f1, float f2);
+  CSSDirection getStyleDirection();
+  void setDirection(CSSDirection direction);
+  CSSFlexDirection getFlexDirection();
+  void setFlexDirection(CSSFlexDirection flexDirection);
+  CSSJustify getJustifyContent();
+  void setJustifyContent(CSSJustify justifyContent);
+  CSSAlign getAlignItems();
+  void setAlignItems(CSSAlign alignItems);
+  CSSAlign getAlignSelf();
+  void setAlignSelf(CSSAlign alignSelf);
+  CSSPositionType getPositionType();
+  void setPositionType(CSSPositionType positionType);
+  void setWrap(CSSWrap flexWrap);
+  float getFlex();
+  void setFlex(float flex);
+  Spacing getMargin();
+  void setMargin(int spacingType, float margin);
+  Spacing getPadding();
+  void setPadding(int spacingType, float padding);
+  Spacing getBorder();
+  void setBorder(int spacingType, float border);
+  Spacing getPositionValue();
+  void setPositionValue(int spacingType, float position);
+  float getPositionTop();
+  void setPositionTop(float positionTop);
+  float getPositionBottom();
+  void setPositionBottom(float positionBottom);
+  float getPositionLeft();
+  void setPositionLeft(float positionLeft);
+  float getPositionRight();
+  void setPositionRight(float positionRight);
+  float getStyleWidth();
+  void setStyleWidth(float width);
+  float getStyleHeight();
+  void setStyleHeight(float height);
+  float getStyleMaxWidth();
+  void setStyleMaxWidth(float maxWidth);
+  float getStyleMinWidth();
+  void setStyleMinWidth(float minWidth);
+  float getStyleMaxHeight();
+  void setStyleMaxHeight(float maxHeight);
+  float getStyleMinHeight();
+  void setStyleMinHeight(float minHeight);
+  float getLayoutX();
+  float getLayoutY();
+  float getLayoutWidth();
+  float getLayoutHeight();
+  CSSDirection getLayoutDirection();
+  void setDefaultPadding(int spacingType, float padding);
+  CSSOverflow getOverflow();
+  void setOverflow(CSSOverflow overflow);
+  void init();
+  void reset();
+}