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| 1 // Copyright 2015 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. |
| 4 |
| 5 #include "base/android/base_jni_onload.h" |
| 6 |
| 7 #include "base/android/jni_android.h" |
| 8 #include "base/android/jni_onload_delegate.h" |
| 9 #include "base/android/library_loader/library_loader_hooks.h" |
| 10 |
| 11 namespace base { |
| 12 namespace android { |
| 13 |
| 14 namespace { |
| 15 |
| 16 // The JNIOnLoadDelegate implementation in base. |
| 17 class BaseJNIOnLoadDelegate : public JNIOnLoadDelegate { |
| 18 public: |
| 19 bool RegisterJNI(JNIEnv* env) override; |
| 20 bool Init() override; |
| 21 }; |
| 22 |
| 23 bool BaseJNIOnLoadDelegate::RegisterJNI(JNIEnv* env) { |
| 24 return RegisterLibraryLoaderEntryHook(env); |
| 25 } |
| 26 |
| 27 bool BaseJNIOnLoadDelegate::Init() { |
| 28 return true; |
| 29 } |
| 30 |
| 31 } // namespace |
| 32 |
| 33 |
| 34 bool OnJNIOnLoad(JavaVM* vm, |
| 35 std::vector<JNIOnLoadDelegate*>* delegates) { |
| 36 base::android::InitVM(vm); |
| 37 JNIEnv* env = base::android::AttachCurrentThread(); |
| 38 |
| 39 BaseJNIOnLoadDelegate delegate; |
| 40 delegates->push_back(&delegate); |
| 41 bool ret = true; |
| 42 for (std::vector<JNIOnLoadDelegate*>::reverse_iterator i = |
| 43 delegates->rbegin(); i != delegates->rend(); ++i) { |
| 44 if (!(*i)->RegisterJNI(env)) { |
| 45 ret = false; |
| 46 break; |
| 47 } |
| 48 } |
| 49 |
| 50 if (ret) { |
| 51 for (std::vector<JNIOnLoadDelegate*>::reverse_iterator i = |
| 52 delegates->rbegin(); i != delegates->rend(); ++i) { |
| 53 if (!(*i)->Init()) { |
| 54 ret = false; |
| 55 break; |
| 56 } |
| 57 } |
| 58 } |
| 59 delegates->pop_back(); |
| 60 return ret; |
| 61 } |
| 62 |
| 63 } // namespace android |
| 64 } // namespace base |
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