Move cronet from //net into //components.

net/cronet/android/org_chromium_net_UrlRequestContext.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/android/base_jni_registrar.h"
-#include "base/android/jni_android.h"
-#include "base/android/jni_registrar.h"
-#include "base/android/jni_string.h"
-#include "base/at_exit.h"
-#include "base/i18n/icu_util.h"
-#include "base/metrics/statistics_recorder.h"
-#include "jni/UrlRequestContext_jni.h"
-#include "net/android/net_jni_registrar.h"
-#include "net/cronet/android/org_chromium_net_UrlRequest.h"
-#include "net/cronet/android/url_request_context_peer.h"
-#include "net/cronet/android/url_request_peer.h"
-
-// Version of this build of Chromium NET.
-#define CHROMIUM_NET_VERSION "1"
-
-namespace {
-
-const char kVersion[] = CHROMIUM_VERSION "/" CHROMIUM_NET_VERSION;
-
-const base::android::RegistrationMethod kCronetRegisteredMethods[] = {
-  {"BaseAndroid", base::android::RegisterJni},
-  {"NetAndroid", net::android::RegisterJni},
-  {"UrlRequest", net::UrlRequestRegisterJni},
-  {"UrlRequestContext", net::RegisterNativesImpl},
-};
-
-base::AtExitManager* g_at_exit_manager = NULL;
-
-// Delegate of URLRequestContextPeer that delivers callbacks to the Java layer.
-class JniURLRequestContextPeerDelegate
-    : public URLRequestContextPeer::URLRequestContextPeerDelegate {
- public:
-  JniURLRequestContextPeerDelegate(JNIEnv* env, jobject owner)
-      : owner_(env->NewGlobalRef(owner)) {
-  }
-
-  virtual void OnContextInitialized(URLRequestContextPeer* context) OVERRIDE {
-    JNIEnv* env = base::android::AttachCurrentThread();
-    net::Java_UrlRequestContext_initNetworkThread(env, owner_);
-    // TODO(dplotnikov): figure out if we need to detach from the thread.
-    // The documentation says we should detach just before the thread exits.
-  }
-
- protected:
-  virtual ~JniURLRequestContextPeerDelegate() {
-    JNIEnv* env = base::android::AttachCurrentThread();
-    env->DeleteGlobalRef(owner_);
-  }
-
- private:
-  jobject owner_;
-};
-
-}  // namespace
-
-// Checks the available version of JNI. Also, caches Java reflection artifacts.
-extern "C" jint JNI_OnLoad(JavaVM* vm, void* reserved) {
-  JNIEnv* env;
-  if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
-    return -1;
-  }
-
-  base::android::InitVM(vm);
-
-  if (!base::android::RegisterNativeMethods(
-          env, kCronetRegisteredMethods, arraysize(kCronetRegisteredMethods))) {
-    return -1;
-  }
-
-  g_at_exit_manager = new base::AtExitManager();
-
-  base::i18n::InitializeICU();
-
-  return JNI_VERSION_1_6;
-}
-
-extern "C" void JNIEXPORT JNICALL JNI_OnUnLoad(JavaVM* jvm, void* reserved) {
-  if (g_at_exit_manager) {
-    delete g_at_exit_manager;
-    g_at_exit_manager = NULL;
-  }
-}
-
-namespace net {
-
-static jstring GetVersion(JNIEnv* env, jclass unused) {
-  return env->NewStringUTF(kVersion);
-}
-
-// Sets global user-agent to be used for all subsequent requests.
-static jlong CreateRequestContextPeer(JNIEnv* env,
-                                      jobject object,
-                                      jobject context,
-                                      jstring user_agent,
-                                      jint log_level) {
-  const char* user_agent_utf8 = env->GetStringUTFChars(user_agent, NULL);
-  std::string user_agent_string(user_agent_utf8);
-  env->ReleaseStringUTFChars(user_agent, user_agent_utf8);
-
-  // Set application context.
-  base::android::ScopedJavaLocalRef<jobject> scoped_context(env, context);
-  base::android::InitApplicationContext(env, scoped_context);
-
-  int logging_level = log_level;
-
-  // TODO(dplotnikov): set application context.
-  URLRequestContextPeer* peer = new URLRequestContextPeer(
-      new JniURLRequestContextPeerDelegate(env, object),
-      user_agent_string,
-      logging_level,
-      kVersion);
-  peer->AddRef();  // Hold onto this ref-counted object.
-  peer->Initialize();
-  return reinterpret_cast<jlong>(peer);
-}
-
-// Releases native objects.
-static void ReleaseRequestContextPeer(JNIEnv* env,
-                                      jobject object,
-                                      jlong urlRequestContextPeer) {
-  URLRequestContextPeer* peer =
-      reinterpret_cast<URLRequestContextPeer*>(urlRequestContextPeer);
-  // TODO(mef): Revisit this from thread safety point of view: Can we delete a
-  // thread while running on that thread?
-  // URLRequestContextPeer is a ref-counted object, and may have pending tasks,
-  // so we need to release it instead of deleting here.
-  peer->Release();
-}
-
-// Starts recording statistics.
-static void InitializeStatistics(JNIEnv* env, jobject jcaller) {
-  base::StatisticsRecorder::Initialize();
-}
-
-// Gets current statistics with |filter| as a substring as JSON text (an empty
-// |filter| will include all registered histograms).
-static jstring GetStatisticsJSON(JNIEnv* env, jobject jcaller, jstring filter) {
-  std::string query = base::android::ConvertJavaStringToUTF8(env, filter);
-  std::string json = base::StatisticsRecorder::ToJSON(query);
-  return base::android::ConvertUTF8ToJavaString(env, json).Release();
-}
-
-// Starts recording NetLog into file with |fileName|.
-static void StartNetLogToFile(JNIEnv* env,
-                              jobject jcaller,
-                              jlong urlRequestContextPeer,
-                              jstring fileName) {
-  URLRequestContextPeer* peer =
-      reinterpret_cast<URLRequestContextPeer*>(urlRequestContextPeer);
-  std::string file_name = base::android::ConvertJavaStringToUTF8(env, fileName);
-  peer->StartNetLogToFile(file_name);
-}
-
-// Stops recording NetLog.
-static void StopNetLog(JNIEnv* env,
-                       jobject jcaller,
-                       jlong urlRequestContextPeer) {
-  URLRequestContextPeer* peer =
-      reinterpret_cast<URLRequestContextPeer*>(urlRequestContextPeer);
-  peer->StopNetLog();
-}
-
-}  // namespace net