move yg node new and ygnode new with config

Summary: YGNode creation methods to vanilla JNI

Reviewed By: amir-shalem

Differential Revision: D17714230

fbshipit-source-id: 74e14e876ab7efc67771d92091c2a78f09072b83

java/com/facebook/yoga/YogaNative.java

@@ -125,6 +125,9 @@ public class YogaNative {
   static native void jni_YGConfigSetShouldDiffLayoutWithoutLegacyStretchBehaviourJNI(long nativePointer, boolean shouldDiffLayoutWithoutLegacyStretchBehaviour);
 //  static native void jni_YGConfigSetLoggerJNI(long nativePointer, Object logger);
 
+  // YGNode related
+  static native long jni_YGNodeNewJNI();
+  static native long jni_YGNodeNewWithConfigJNI(long configPointer);
   static native void jni_YGNodeFreeJNI(long nativePointer);
   static native void jni_YGNodeResetJNI(long nativePointer);
   static native void jni_YGNodeInsertChildJNI(long nativePointer, long childPointer, int index);

java/com/facebook/yoga/YogaNodeFactory.java

@@ -5,6 +5,10 @@ public abstract class YogaNodeFactory {
     return new YogaNodeJNIFinalizer();
   }
 
+  public static YogaNode create(boolean useVanillaJNI) {
+    return new YogaNodeJNIFinalizer(useVanillaJNI);
+  }
+
   public static YogaNode create(YogaConfig config) {
     return new YogaNodeJNIFinalizer(config);
   }

java/com/facebook/yoga/YogaNodeJNIBase.java

@@ -59,8 +59,12 @@ public abstract class YogaNodeJNIBase extends YogaNode implements Cloneable {
     this(YogaNative.jni_YGNodeNew());
   }
 
+  YogaNodeJNIBase(boolean useVanillaJNI) {
+    this(useVanillaJNI ? YogaNative.jni_YGNodeNewJNI() : YogaNative.jni_YGNodeNew());
+  }
+
   YogaNodeJNIBase(YogaConfig config) {
-    this(YogaNative.jni_YGNodeNewWithConfig(((YogaConfigJNIBase)config).mNativePointer));
+    this(config.useVanillaJNI() ? YogaNative.jni_YGNodeNewWithConfigJNI(((YogaConfigJNIBase)config).mNativePointer) : YogaNative.jni_YGNodeNewWithConfig(((YogaConfigJNIBase)config).mNativePointer));
     this.useVanillaJNI = config.useVanillaJNI();
   }
 

java/com/facebook/yoga/YogaNodeJNIFinalizer.java

@@ -11,6 +11,10 @@ public class YogaNodeJNIFinalizer extends YogaNodeJNIBase {
     super();
   }
 
+  public YogaNodeJNIFinalizer(boolean useVanillaJNI) {
+    super(useVanillaJNI);
+  }
+
   public YogaNodeJNIFinalizer(YogaConfig config) {
     super(config);
   }

java/jni/YGJNIVanilla.cpp

@@ -12,6 +12,7 @@
 #include "common.h"
 #include "YGJTypesVanilla.h"
 #include <yoga/log.h>
+#include <iostream>
 
 using namespace facebook::yoga::vanillajni;
 using facebook::yoga::detail::Log;
@@ -90,6 +91,18 @@ static void jni_YGConfigSetPointScaleFactorJNI(
   YGConfigSetPointScaleFactor(config, pixelsInPoint);
 }
 
+static void YGPrint(YGNodeRef node, void* layoutContext) {
+  if (auto obj = YGNodeJobject(node, layoutContext)) {
+    // TODO cout << obj.get()->toString() << endl;
+  } else {
+    Log::log(
+        node,
+        YGLogLevelError,
+        nullptr,
+        "Java YGNode was GCed during layout calculation\n");
+  }
+}
+
 static void jni_YGConfigSetUseLegacyStretchBehaviourJNI(
     JNIEnv* env,
     jobject obj,
@@ -99,6 +112,22 @@ static void jni_YGConfigSetUseLegacyStretchBehaviourJNI(
   YGConfigSetUseLegacyStretchBehaviour(config, useLegacyStretchBehaviour);
 }
 
+static jlong jni_YGNodeNewJNI(JNIEnv* env, jobject obj) {
+  const YGNodeRef node = YGNodeNew();
+  node->setContext(YGNodeContext{}.asVoidPtr);
+  node->setPrintFunc(YGPrint);
+  return reinterpret_cast<jlong>(node);
+}
+
+static jlong jni_YGNodeNewWithConfigJNI(
+    JNIEnv* env,
+    jobject obj,
+    jlong configPointer) {
+  const YGNodeRef node = YGNodeNewWithConfig(_jlong2YGConfigRef(configPointer));
+  node->setContext(YGNodeContext{}.asVoidPtr);
+  return reinterpret_cast<jlong>(node);
+}
+
 static void jni_YGNodeFreeJNI(JNIEnv* env, jobject obj, jlong nativePointer) {
   if (nativePointer == 0) {
     return;
@@ -558,6 +587,8 @@ static JNINativeMethod methods[] = {
      "(JZ)V",
      (void*) jni_YGConfigSetShouldDiffLayoutWithoutLegacyStretchBehaviourJNI},
     //  {"jni_YGConfigSetLoggerJNI", "(JO)V", (void*) jni_YGConfigSetLoggerJNI},
+    {"jni_YGNodeNewJNI", "()J", (void*) jni_YGNodeNewJNI},
+    {"jni_YGNodeNewWithConfigJNI", "(J)J", (void*) jni_YGNodeNewWithConfigJNI},
     {"jni_YGNodeFreeJNI", "(J)V", (void*) jni_YGNodeFreeJNI},
     {"jni_YGNodeResetJNI", "(J)V", (void*) jni_YGNodeResetJNI},
     {"jni_YGNodeInsertChildJNI", "(JJI)V", (void*) jni_YGNodeInsertChildJNI},