mandoline/services/core_services/android_hooks.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include <vector>
   6
   7 #include "base/android/base_jni_onload.h"
   8 #include "base/android/jni_android.h"
   9 #include "base/android/library_loader/library_loader_hooks.h"
  10 #include "base/bind.h"
  11 #include "components/resource_provider/jni/Main_jni.h"
  12 #include "net/android/net_jni_registrar.h"
  13
  14 namespace {
  15 bool RegisterJNI(JNIEnv* env) {
  16   return net::android::RegisterJni(env);
  17 }
  18
  19 bool Init() {
  20   return true;
  21 }
  22 }  // namespace
  23
  24
  25 // This is called by the VM when the shared library is first loaded.
  26 JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
  27   std::vector<base::android::RegisterCallback> register_callbacks;
  28   register_callbacks.push_back(base::Bind(&RegisterJNI));
  29   register_callbacks.push_back(
  30       base::Bind(&resource_provider::RegisterNativesImpl));
  31
  32   std::vector<base::android::InitCallback> init_callbacks;
  33   init_callbacks.push_back(base::Bind(&Init));
  34
  35   if (!base::android::OnJNIOnLoadRegisterJNI(vm, register_callbacks) ||
  36       !base::android::OnJNIOnLoadInit(init_callbacks)) {
  37     return -1;
  38   }
  39
  40   // There cannot be two AtExitManagers at the same time. Remove the one from
  41   // LibraryLoader as ApplicationRunner also uses one.
  42   base::android::LibraryLoaderExitHook();
  43
  44   return JNI_VERSION_1_4;
  45 }
  46
  47 extern "C" JNI_EXPORT void InitApplicationContext(
  48     const base::android::JavaRef<jobject>& context) {
  49   JNIEnv* env = base::android::AttachCurrentThread();
  50   base::android::InitApplicationContext(env, context);
  51   resource_provider::Java_Main_init(
  52       env, base::android::GetApplicationContext());
  53 }