1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/android/jni_helper.h"
7 #include "base/android/jni_android.h"
8 #include "base/logging.h"
10 using base::android::AttachCurrentThread;
12 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef()
16 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef(
17 const JavaObjectWeakGlobalRef& orig)
22 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef(JNIEnv* env, jobject obj)
23 : obj_(env->NewWeakGlobalRef(obj)) {
27 JavaObjectWeakGlobalRef::~JavaObjectWeakGlobalRef() {
31 void JavaObjectWeakGlobalRef::operator=(const JavaObjectWeakGlobalRef& rhs) {
35 void JavaObjectWeakGlobalRef::reset() {
37 AttachCurrentThread()->DeleteWeakGlobalRef(obj_);
42 base::android::ScopedJavaLocalRef<jobject>
43 JavaObjectWeakGlobalRef::get(JNIEnv* env) const {
44 return GetRealObject(env, obj_);
47 base::android::ScopedJavaLocalRef<jobject> GetRealObject(
48 JNIEnv* env, jweak obj) {
51 real = env->NewLocalRef(obj);
53 DLOG(ERROR) << "The real object has been deleted!";
55 return base::android::ScopedJavaLocalRef<jobject>(env, real);
58 void JavaObjectWeakGlobalRef::Assign(const JavaObjectWeakGlobalRef& other) {
62 JNIEnv* env = AttachCurrentThread();
64 env->DeleteWeakGlobalRef(obj_);
66 obj_ = other.obj_ ? env->NewWeakGlobalRef(other.obj_) : NULL;