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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/android/jni_weak_ref.h" | 5 #include "base/android/jni_weak_ref.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/android/jni_android.h" | 9 #include "base/android/jni_android.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 | 11 |
12 using base::android::AttachCurrentThread; | 12 using base::android::AttachCurrentThread; |
13 | 13 |
14 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef() : obj_(nullptr) {} | 14 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef() : obj_(nullptr) {} |
15 | 15 |
16 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef( | 16 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef( |
17 const JavaObjectWeakGlobalRef& orig) | 17 const JavaObjectWeakGlobalRef& orig) |
18 : obj_(nullptr) { | 18 : obj_(nullptr) { |
19 Assign(orig); | 19 Assign(orig); |
20 } | 20 } |
21 | 21 |
22 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef( | 22 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef(JavaObjectWeakGlobalRef&& orig) |
23 JavaObjectWeakGlobalRef&& orig) noexcept | |
24 : obj_(orig.obj_) { | 23 : obj_(orig.obj_) { |
25 orig.obj_ = nullptr; | 24 orig.obj_ = nullptr; |
26 } | 25 } |
27 | 26 |
28 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef(JNIEnv* env, jobject obj) | 27 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef(JNIEnv* env, jobject obj) |
29 : obj_(env->NewWeakGlobalRef(obj)) { | 28 : obj_(env->NewWeakGlobalRef(obj)) { |
30 } | 29 } |
31 | 30 |
32 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef( | 31 JavaObjectWeakGlobalRef::JavaObjectWeakGlobalRef( |
33 JNIEnv* env, | 32 JNIEnv* env, |
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70 void JavaObjectWeakGlobalRef::Assign(const JavaObjectWeakGlobalRef& other) { | 69 void JavaObjectWeakGlobalRef::Assign(const JavaObjectWeakGlobalRef& other) { |
71 if (&other == this) | 70 if (&other == this) |
72 return; | 71 return; |
73 | 72 |
74 JNIEnv* env = AttachCurrentThread(); | 73 JNIEnv* env = AttachCurrentThread(); |
75 if (obj_) | 74 if (obj_) |
76 env->DeleteWeakGlobalRef(obj_); | 75 env->DeleteWeakGlobalRef(obj_); |
77 | 76 |
78 obj_ = other.obj_ ? env->NewWeakGlobalRef(other.obj_) : nullptr; | 77 obj_ = other.obj_ ? env->NewWeakGlobalRef(other.obj_) : nullptr; |
79 } | 78 } |
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