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// Copyright (c) 2012 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 "net/android/network_change_notifier_delegate_android.h"
#include "base/logging.h"
#include "jni/NetworkChangeNotifier_jni.h"
namespace net {
namespace {
// Converts a Java side connection type (integer) to
// the native side NetworkChangeNotifier::ConnectionType.
NetworkChangeNotifier::ConnectionType ConvertConnectionType(
jint connection_type) {
switch (connection_type) {
case NetworkChangeNotifier::CONNECTION_UNKNOWN:
case NetworkChangeNotifier::CONNECTION_ETHERNET:
case NetworkChangeNotifier::CONNECTION_WIFI:
case NetworkChangeNotifier::CONNECTION_2G:
case NetworkChangeNotifier::CONNECTION_3G:
case NetworkChangeNotifier::CONNECTION_4G:
case NetworkChangeNotifier::CONNECTION_NONE:
break;
default:
NOTREACHED() << "Unknown connection type received: " << connection_type;
return NetworkChangeNotifier::CONNECTION_UNKNOWN;
}
return static_cast<NetworkChangeNotifier::ConnectionType>(connection_type);
}
} // namespace
NetworkChangeNotifierDelegateAndroid::NetworkChangeNotifierDelegateAndroid()
: observers_(new ObserverListThreadSafe<Observer>()) {
JNIEnv* env = base::android::AttachCurrentThread();
java_network_change_notifier_.Reset(
Java_NetworkChangeNotifier_init(
env, base::android::GetApplicationContext()));
Java_NetworkChangeNotifier_addNativeObserver(
env, java_network_change_notifier_.obj(),
reinterpret_cast<intptr_t>(this));
SetCurrentConnectionType(
ConvertConnectionType(
Java_NetworkChangeNotifier_getCurrentConnectionType(
env, java_network_change_notifier_.obj())));
}
NetworkChangeNotifierDelegateAndroid::~NetworkChangeNotifierDelegateAndroid() {
DCHECK(thread_checker_.CalledOnValidThread());
observers_->AssertEmpty();
JNIEnv* env = base::android::AttachCurrentThread();
Java_NetworkChangeNotifier_removeNativeObserver(
env, java_network_change_notifier_.obj(),
reinterpret_cast<intptr_t>(this));
}
NetworkChangeNotifier::ConnectionType
NetworkChangeNotifierDelegateAndroid::GetCurrentConnectionType() const {
base::AutoLock auto_lock(connection_type_lock_);
return connection_type_;
}
void NetworkChangeNotifierDelegateAndroid::NotifyConnectionTypeChanged(
JNIEnv* env,
jobject obj,
jint new_connection_type) {
DCHECK(thread_checker_.CalledOnValidThread());
const ConnectionType actual_connection_type = ConvertConnectionType(
new_connection_type);
SetCurrentConnectionType(actual_connection_type);
observers_->Notify(&Observer::OnConnectionTypeChanged);
}
jint NetworkChangeNotifierDelegateAndroid::GetConnectionType(JNIEnv*,
jobject) const {
DCHECK(thread_checker_.CalledOnValidThread());
return GetCurrentConnectionType();
}
void NetworkChangeNotifierDelegateAndroid::AddObserver(
Observer* observer) {
observers_->AddObserver(observer);
}
void NetworkChangeNotifierDelegateAndroid::RemoveObserver(
Observer* observer) {
observers_->RemoveObserver(observer);
}
// static
bool NetworkChangeNotifierDelegateAndroid::Register(JNIEnv* env) {
return RegisterNativesImpl(env);
}
void NetworkChangeNotifierDelegateAndroid::SetCurrentConnectionType(
ConnectionType new_connection_type) {
base::AutoLock auto_lock(connection_type_lock_);
connection_type_ = new_connection_type;
}
void NetworkChangeNotifierDelegateAndroid::SetOnline() {
JNIEnv* env = base::android::AttachCurrentThread();
Java_NetworkChangeNotifier_forceConnectivityState(env, true);
}
void NetworkChangeNotifierDelegateAndroid::SetOffline() {
JNIEnv* env = base::android::AttachCurrentThread();
Java_NetworkChangeNotifier_forceConnectivityState(env, false);
}
} // namespace net
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