yoga/lib/fb/src/main/cpp/jni/WeakReference.cpp

/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#include <fb/Environment.h>
#include <jni/WeakReference.h>

namespace facebook {
namespace jni {

WeakReference::WeakReference(jobject strongRef) :
  m_weakReference(Environment::current()->NewWeakGlobalRef(strongRef))
{
}

WeakReference::~WeakReference() {
  auto env = Environment::current();
  FBASSERTMSGF(env, "Attempt to delete jni::WeakReference from non-JNI thread");
  env->DeleteWeakGlobalRef(m_weakReference);
}

ResolvedWeakReference::ResolvedWeakReference(jobject weakRef) :
  m_strongReference(Environment::current()->NewLocalRef(weakRef))
{
}

ResolvedWeakReference::ResolvedWeakReference(const RefPtr<WeakReference>& weakRef) :
  m_strongReference(Environment::current()->NewLocalRef(weakRef->weakRef()))
{
}

ResolvedWeakReference::~ResolvedWeakReference() {
  if (m_strongReference)
    Environment::current()->DeleteLocalRef(m_strongReference);
}

} }