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// Copyright 2015 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 "content/browser/android/background_sync_network_observer_android.h"
#include "base/android/context_utils.h"
#include "jni/BackgroundSyncNetworkObserver_jni.h"
namespace content {
// static
bool BackgroundSyncNetworkObserverAndroid::Observer::RegisterNetworkObserver(
JNIEnv* env) {
return RegisterNativesImpl(env);
}
// static
scoped_refptr<BackgroundSyncNetworkObserverAndroid::Observer>
BackgroundSyncNetworkObserverAndroid::Observer::Create(
base::Callback<void(net::NetworkChangeNotifier::ConnectionType)> callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
scoped_refptr<BackgroundSyncNetworkObserverAndroid::Observer> observer(
new BackgroundSyncNetworkObserverAndroid::Observer(callback));
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&BackgroundSyncNetworkObserverAndroid::Observer::Init,
observer));
return observer;
}
void BackgroundSyncNetworkObserverAndroid::Observer::Init() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Attach a Java BackgroundSyncNetworkObserver object. Its lifetime will be
// scoped to the lifetime of this object.
JNIEnv* env = base::android::AttachCurrentThread();
base::android::ScopedJavaGlobalRef<jobject> obj(
Java_BackgroundSyncNetworkObserver_createObserver(
env, base::android::GetApplicationContext(),
reinterpret_cast<jlong>(this)));
j_observer_.Reset(obj);
}
BackgroundSyncNetworkObserverAndroid::Observer::~Observer() {
JNIEnv* env = base::android::AttachCurrentThread();
Java_BackgroundSyncNetworkObserver_removeObserver(
env, j_observer_.obj(), reinterpret_cast<jlong>(this));
DCHECK_CURRENTLY_ON(BrowserThread::UI);
j_observer_.Release();
}
void BackgroundSyncNetworkObserverAndroid::Observer::
NotifyConnectionTypeChanged(JNIEnv* env,
jobject jcaller,
jint new_connection_type) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(callback_,
static_cast<net::NetworkChangeNotifier::ConnectionType>(
new_connection_type)));
}
BackgroundSyncNetworkObserverAndroid::Observer::Observer(
base::Callback<void(net::NetworkChangeNotifier::ConnectionType)> callback)
: callback_(callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
}
BackgroundSyncNetworkObserverAndroid::BackgroundSyncNetworkObserverAndroid(
const base::Closure& network_changed_callback)
: BackgroundSyncNetworkObserver(network_changed_callback),
weak_ptr_factory_(this) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
// Remove the observer attached by the NetworkObserver constructor
net::NetworkChangeNotifier::RemoveNetworkChangeObserver(this);
observer_ = Observer::Create(
base::Bind(&BackgroundSyncNetworkObserverAndroid::OnNetworkChanged,
weak_ptr_factory_.GetWeakPtr()));
}
BackgroundSyncNetworkObserverAndroid::~BackgroundSyncNetworkObserverAndroid() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
}
} // namespace content
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