From 2af1de283c033079270c915468382fe44bde59e2 Mon Sep 17 00:00:00 2001
From: Kazuki Sakamoto <kaz@fb.com>
Date: Thu, 17 Nov 2016 09:10:47 -0800
Subject: [PATCH] CSSNodeCopyStyle API for Java and C#

Reviewed By: emilsjolander

Differential Revision: D4189954

fbshipit-source-id: 10759fdb27bf67350d3151614f7815aa09bf7e04
---
 .../src/main/java/com/facebook/csslayout/CSSNode.java       | 6 ++++++
 .../src/main/java/com/facebook/csslayout/CSSNodeAPI.java    | 1 +
 .../main/java/com/facebook/csslayout/CSSNodeDEPRECATED.java | 5 +++++
 .../src/main/jni/first-party/csslayoutjni/jni/CSSJNI.cpp    | 5 +++++
 4 files changed, 17 insertions(+)

diff --git a/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNode.java b/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNode.java
index e92f9267c..95a5319e5 100644
--- a/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNode.java
+++ b/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNode.java
@@ -190,6 +190,12 @@ public class CSSNode implements CSSNodeAPI<CSSNode> {
     jni_CSSNodeMarkLayoutSeen(mNativePointer);
   }
 
+  private native void jni_CSSNodeCopyStyle(long dstNativePointer, long srcNativePointer);
+  @Override
+  public void copyStyle(CSSNode srcNode) {
+    jni_CSSNodeCopyStyle(mNativePointer, srcNode.mNativePointer);
+  }
+
   private native int jni_CSSNodeStyleGetDirection(long nativePointer);
   @Override
   public CSSDirection getStyleDirection() {
diff --git a/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNodeAPI.java b/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNodeAPI.java
index dd18a54b9..d35d8b48e 100644
--- a/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNodeAPI.java
+++ b/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNodeAPI.java
@@ -37,6 +37,7 @@ public interface CSSNodeAPI<CSSNodeType extends CSSNodeAPI> {
   void dirty();
   void markLayoutSeen();
   boolean valuesEqual(float f1, float f2);
+  void copyStyle(CSSNodeType srcNode);
   CSSDirection getStyleDirection();
   void setDirection(CSSDirection direction);
   CSSFlexDirection getFlexDirection();
diff --git a/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNodeDEPRECATED.java b/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNodeDEPRECATED.java
index dc31cc041..0031ee697 100644
--- a/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNodeDEPRECATED.java
+++ b/ReactAndroid/src/main/java/com/facebook/csslayout/CSSNodeDEPRECATED.java
@@ -222,6 +222,11 @@ public class CSSNodeDEPRECATED implements CSSNodeAPI<CSSNodeDEPRECATED> {
     return FloatUtil.floatsEqual(f1, f2);
   }
 
+  @Override
+  public void copyStyle(CSSNodeDEPRECATED srcNode) {
+    throw new UnsupportedOperationException("copyStyle is not implemented");
+  }
+
   /**
    * Get this node's direction, as defined in the style.
    */
diff --git a/ReactAndroid/src/main/jni/first-party/csslayoutjni/jni/CSSJNI.cpp b/ReactAndroid/src/main/jni/first-party/csslayoutjni/jni/CSSJNI.cpp
index f3bad8067..9c3e39590 100644
--- a/ReactAndroid/src/main/jni/first-party/csslayoutjni/jni/CSSJNI.cpp
+++ b/ReactAndroid/src/main/jni/first-party/csslayoutjni/jni/CSSJNI.cpp
@@ -187,6 +187,10 @@ void jni_CSSNodeMarkLayoutSeen(alias_ref<jobject>, jlong nativePointer) {
   CSSNodeSetHasNewLayout(_jlong2CSSNodeRef(nativePointer), false);
 }
 
+void jni_CSSNodeCopyStyle(alias_ref<jobject>, jlong dstNativePointer, jlong srcNativePointer) {
+  CSSNodeCopyStyle(_jlong2CSSNodeRef(dstNativePointer), _jlong2CSSNodeRef(srcNativePointer));
+}
+
 #define CSS_NODE_JNI_STYLE_PROP(javatype, type, name)                                       \
   javatype jni_CSSNodeStyleGet##name(alias_ref<jobject>, jlong nativePointer) {             \
     return (javatype) CSSNodeStyleGet##name(_jlong2CSSNodeRef(nativePointer));              \
@@ -257,6 +261,7 @@ jint JNI_OnLoad(JavaVM *vm, void *) {
                         CSSMakeNativeMethod(jni_CSSNodeIsDirty),
                         CSSMakeNativeMethod(jni_CSSNodeMarkLayoutSeen),
                         CSSMakeNativeMethod(jni_CSSNodeSetHasMeasureFunc),
+                        CSSMakeNativeMethod(jni_CSSNodeCopyStyle),
 
                         CSSMakeNativeMethod(jni_CSSNodeStyleGetDirection),
                         CSSMakeNativeMethod(jni_CSSNodeStyleSetDirection),