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