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_onload.h"
  10 #include "base/android/base_jni_registrar.h"
  11 #include "base/android/jni_android.h"
  12 #include "base/android/jni_registrar.h"
  13 #include "base/android/jni_utils.h"
  14 #include "base/android/library_loader/library_loader_hooks.h"
  15 #include "base/logging.h"
  16 #include "base/message_loop/message_loop.h"
  17 #include "components/cronet/android/chromium_url_request.h"
  18 #include "components/cronet/android/chromium_url_request_context.h"
  19 #include "components/cronet/android/cronet_histogram_manager.h"
  20 #include "components/cronet/android/cronet_upload_data_stream_delegate.h"
  21 #include "components/cronet/android/cronet_url_request_adapter.h"
  22 #include "components/cronet/android/cronet_url_request_context_adapter.h"
  23 #include "jni/CronetLibraryLoader_jni.h"
  24 #include "net/android/net_jni_registrar.h"
  25 #include "net/android/network_change_notifier_factory_android.h"
  26 #include "net/base/network_change_notifier.h"
  27 #include "url/android/url_jni_registrar.h"
  28 #include "url/url_util.h"
  29
  30 #if !defined(USE_ICU_ALTERNATIVES_ON_ANDROID)
  31 #include "base/i18n/icu_util.h"
  32 #endif
  33
  34 namespace cronet {
  35 namespace {
  36
  37 const base::android::RegistrationMethod kCronetRegisteredMethods[] = {
  38     {"BaseAndroid", base::android::RegisterJni},
  39     {"ChromiumUrlRequest", ChromiumUrlRequestRegisterJni},
  40     {"ChromiumUrlRequestContext", ChromiumUrlRequestContextRegisterJni},
  41     {"CronetHistogramManager", CronetHistogramManagerRegisterJni},
  42     {"CronetLibraryLoader", RegisterNativesImpl},
  43     {"CronetUploadDataStreamDelegate",
  44      CronetUploadDataStreamDelegateRegisterJni},
  45     {"CronetUrlRequestAdapter", CronetUrlRequestAdapterRegisterJni},
  46     {"CronetUrlRequestContextAdapter",
  47      CronetUrlRequestContextAdapterRegisterJni},
  48     {"NetAndroid", net::android::RegisterJni},
  49     {"UrlAndroid", url::android::RegisterJni},
  50 };
  51
  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 bool RegisterJNI(JNIEnv* env) {
  59   return base::android::RegisterNativeMethods(
  60       env, kCronetRegisteredMethods, arraysize(kCronetRegisteredMethods));
  61 }
  62
  63 bool Init() {
  64   url::Initialize();
  65   return true;
  66 }
  67
  68 }  // namespace
  69
  70 // Checks the available version of JNI. Also, caches Java reflection artifacts.
  71 jint CronetOnLoad(JavaVM* vm, void* reserved) {
  72   std::vector<base::android::RegisterCallback> register_callbacks;
  73   register_callbacks.push_back(base::Bind(&RegisterJNI));
  74   std::vector<base::android::InitCallback> init_callbacks;
  75   init_callbacks.push_back(base::Bind(&Init));
  76   if (!base::android::OnJNIOnLoadRegisterJNI(vm, register_callbacks) ||
  77       !base::android::OnJNIOnLoadInit(init_callbacks)) {
  78     return -1;
  79   }
  80   return JNI_VERSION_1_6;
  81 }
  82
  83 void CronetOnUnLoad(JavaVM* jvm, void* reserved) {
  84   base::android::LibraryLoaderExitHook();
  85 }
  86
  87 void CronetInitApplicationContext(JNIEnv* env,
  88                                   jclass jcaller,
  89                                   jobject japp_context) {
  90   // Set application context.
  91   base::android::ScopedJavaLocalRef<jobject> scoped_app_context(env,
  92                                                                 japp_context);
  93   base::android::InitApplicationContext(env, scoped_app_context);
  94 }
  95
  96 void CronetInitOnMainThread(JNIEnv* env, jclass jcaller) {
  97 #if !defined(USE_ICU_ALTERNATIVES_ON_ANDROID)
  98   base::i18n::InitializeICU();
  99 #endif
 100
 101   DCHECK(!base::MessageLoop::current());
 102   DCHECK(!g_main_message_loop);
 103   g_main_message_loop = new base::MessageLoopForUI();
 104   base::MessageLoopForUI::current()->Start();
 105   DCHECK(!g_network_change_notifier);
 106   net::NetworkChangeNotifier::SetFactory(
 107       new net::NetworkChangeNotifierFactoryAndroid());
 108   g_network_change_notifier = net::NetworkChangeNotifier::Create();
 109 }
 110
 111 }  // namespace cronet