components/cronet/android/cronet_library_loader.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 "components/cronet/android/cronet_library_loader.h"
   6
   7 #include <jni.h>
   8
   9 #include "base/android/base_jni_registrar.h"
  10 #include "base/android/jni_android.h"
  11 #include "base/android/jni_registrar.h"
  12 #include "base/android/jni_utils.h"
  13 #include "base/at_exit.h"
  14 #include "base/logging.h"
  15 #include "base/message_loop/message_loop.h"
  16 #include "components/cronet/android/chromium_url_request.h"
  17 #include "components/cronet/android/chromium_url_request_context.h"
  18 #include "components/cronet/android/cronet_histogram_manager.h"
  19 #include "components/cronet/android/cronet_upload_data_stream_delegate.h"
  20 #include "components/cronet/android/cronet_url_request.h"
  21 #include "components/cronet/android/cronet_url_request_context_adapter.h"
  22 #include "jni/CronetLibraryLoader_jni.h"
  23 #include "net/android/net_jni_registrar.h"
  24 #include "net/android/network_change_notifier_factory_android.h"
  25 #include "net/base/network_change_notifier.h"
  26 #include "url/android/url_jni_registrar.h"
  27 #include "url/url_util.h"
  28
  29 #if !defined(USE_ICU_ALTERNATIVES_ON_ANDROID)
  30 #include "base/i18n/icu_util.h"
  31 #endif
  32
  33 namespace cronet {
  34 namespace {
  35
  36 const base::android::RegistrationMethod kCronetRegisteredMethods[] = {
  37     {"BaseAndroid", base::android::RegisterJni},
  38     {"ChromiumUrlRequest", ChromiumUrlRequestRegisterJni},
  39     {"ChromiumUrlRequestContext", ChromiumUrlRequestContextRegisterJni},
  40     {"CronetHistogramManager", CronetHistogramManagerRegisterJni},
  41     {"CronetLibraryLoader", RegisterNativesImpl},
  42     {"CronetUploadDataStreamDelegate",
  43      CronetUploadDataStreamDelegateRegisterJni},
  44     {"CronetUrlRequest", CronetUrlRequestRegisterJni},
  45     {"CronetUrlRequestContextAdapter",
  46      CronetUrlRequestContextAdapterRegisterJni},
  47     {"NetAndroid", net::android::RegisterJni},
  48     {"UrlAndroid", url::android::RegisterJni},
  49 };
  50
  51 base::AtExitManager* g_at_exit_manager = NULL;
  52 // MessageLoop on the main thread, which is where objects that receive Java
  53 // notifications generally live.
  54 base::MessageLoop* g_main_message_loop = nullptr;
  55
  56 net::NetworkChangeNotifier* g_network_change_notifier = nullptr;
  57
  58 }  // namespace
  59
  60 // Checks the available version of JNI. Also, caches Java reflection artifacts.
  61 jint CronetOnLoad(JavaVM* vm, void* reserved) {
  62   JNIEnv* env;
  63   if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
  64     return -1;
  65   }
  66
  67   base::android::InitVM(vm);
  68
  69   if (!base::android::RegisterNativeMethods(
  70           env, kCronetRegisteredMethods, arraysize(kCronetRegisteredMethods))) {
  71     return -1;
  72   }
  73
  74   g_at_exit_manager = new base::AtExitManager();
  75
  76   base::android::InitReplacementClassLoader(env,
  77                                             base::android::GetClassLoader(env));
  78   url::Initialize();
  79
  80   return JNI_VERSION_1_6;
  81 }
  82
  83 void CronetOnUnLoad(JavaVM* jvm, void* reserved) {
  84   if (g_at_exit_manager) {
  85     delete g_at_exit_manager;
  86     g_at_exit_manager = NULL;
  87   }
  88 }
  89
  90 void CronetInitOnMainThread(JNIEnv* env, jclass jcaller, jobject jcontext) {
  91   // Set application context.
  92   base::android::ScopedJavaLocalRef<jobject> scoped_context(env, jcontext);
  93   base::android::InitApplicationContext(env, scoped_context);
  94
  95 #if !defined(USE_ICU_ALTERNATIVES_ON_ANDROID)
  96   base::i18n::InitializeICU();
  97 #endif
  98
  99   DCHECK(!base::MessageLoop::current());
 100   DCHECK(!g_main_message_loop);
 101   g_main_message_loop = new base::MessageLoopForUI();
 102   base::MessageLoopForUI::current()->Start();
 103   DCHECK(!g_network_change_notifier);
 104   net::NetworkChangeNotifier::SetFactory(
 105       new net::NetworkChangeNotifierFactoryAndroid());
 106   g_network_change_notifier = net::NetworkChangeNotifier::Create();
 107 }
 108
 109 }  // namespace cronet