base/android/base_jni_onload.cc

   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_utils.h"
   9 #include "base/android/library_loader/library_loader_hooks.h"
  10 #include "base/bind.h"
  11
  12 namespace base {
  13 namespace android {
  14
  15 namespace {
  16
  17 bool RegisterJNI(JNIEnv* env) {
  18   return RegisterLibraryLoaderEntryHook(env);
  19 }
  20
  21 bool Init() {
  22   JNIEnv* env = base::android::AttachCurrentThread();
  23   base::android::InitReplacementClassLoader(env,
  24                                             base::android::GetClassLoader(env));
  25   return true;
  26 }
  27
  28 }  // namespace
  29
  30
  31 bool OnJNIOnLoadRegisterJNI(JavaVM* vm,
  32                             std::vector<RegisterCallback> callbacks) {
  33   base::android::InitVM(vm);
  34   JNIEnv* env = base::android::AttachCurrentThread();
  35
  36   callbacks.push_back(base::Bind(&RegisterJNI));
  37   for (std::vector<RegisterCallback>::reverse_iterator i =
  38            callbacks.rbegin(); i != callbacks.rend(); ++i) {
  39     if (!i->Run(env))
  40       return false;
  41   }
  42   return true;
  43 }
  44
  45 bool OnJNIOnLoadInit(std::vector<InitCallback> callbacks) {
  46   callbacks.push_back(base::Bind(&Init));
  47   for (std::vector<InitCallback>::reverse_iterator i =
  48            callbacks.rbegin(); i != callbacks.rend(); ++i) {
  49     if (!i->Run())
  50       return false;
  51   }
  52   return true;
  53 }
  54
  55 }  // namespace android
  56 }  // namespace base