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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "androidconnectivitymanager.h"
#include <QtCore/qcoreapplication.h>
#include <QtCore/qjnienvironment.h>
QT_BEGIN_NAMESPACE
using namespace QNativeInterface;
struct AndroidConnectivityManagerInstance
{
AndroidConnectivityManagerInstance() : connManager(new AndroidConnectivityManager) { }
std::unique_ptr<AndroidConnectivityManager> connManager = nullptr;
};
Q_GLOBAL_STATIC(AndroidConnectivityManagerInstance, androidConnManagerInstance)
static const char networkInformationClass[] =
"org/qtproject/qt/android/networkinformation/QtAndroidNetworkInformation";
static void networkConnectivityChanged(JNIEnv *env, jobject obj, jobject enumValue)
{
Q_UNUSED(env);
Q_UNUSED(obj);
const jint value = QJniObject(enumValue).callMethod<jint>("ordinal");
const auto connectivity = static_cast<AndroidConnectivityManager::AndroidConnectivity>(value);
Q_EMIT androidConnManagerInstance->connManager->connectivityChanged(connectivity);
}
static void genericInfoChanged(JNIEnv *env, jobject obj, jboolean captivePortal, jboolean metered)
{
Q_UNUSED(env);
Q_UNUSED(obj);
Q_EMIT androidConnManagerInstance->connManager->captivePortalChanged(captivePortal);
Q_EMIT androidConnManagerInstance->connManager->meteredChanged(metered);
}
static void transportMediumChangedCallback(JNIEnv *env, jobject obj, jobject enumValue)
{
Q_UNUSED(env);
Q_UNUSED(obj);
const jint value = QJniObject(enumValue).callMethod<jint>("ordinal");
const auto transport = static_cast<AndroidConnectivityManager::AndroidTransport>(value);
emit androidConnManagerInstance->connManager->transportMediumChanged(transport);
}
AndroidConnectivityManager::AndroidConnectivityManager()
{
if (!registerNatives())
return;
m_connectivityManager = QJniObject::callStaticObjectMethod(
networkInformationClass, "getConnectivityManager",
"(Landroid/content/Context;)Landroid/net/ConnectivityManager;",
QAndroidApplication::context());
if (!m_connectivityManager.isValid())
return;
QJniObject::callStaticMethod<void>(networkInformationClass, "registerReceiver",
"(Landroid/content/Context;)V", QAndroidApplication::context());
}
AndroidConnectivityManager *AndroidConnectivityManager::getInstance()
{
if (!androidConnManagerInstance())
return nullptr;
return androidConnManagerInstance->connManager->isValid()
? androidConnManagerInstance->connManager.get()
: nullptr;
}
AndroidConnectivityManager::~AndroidConnectivityManager()
{
QJniObject::callStaticMethod<void>(networkInformationClass, "unregisterReceiver",
"(Landroid/content/Context;)V", QAndroidApplication::context());
}
bool AndroidConnectivityManager::registerNatives()
{
QJniEnvironment env;
QJniObject networkReceiver(networkInformationClass);
if (!networkReceiver.isValid())
return false;
const QByteArray connectivityEnumSig =
QByteArray("(L") + networkInformationClass + "$AndroidConnectivity;)V";
const QByteArray transportEnumSig =
QByteArray("(L") + networkInformationClass + "$Transport;)V";
jclass clazz = env->GetObjectClass(networkReceiver.object());
static JNINativeMethod methods[] = {
{ "connectivityChanged", connectivityEnumSig.data(),
reinterpret_cast<void *>(networkConnectivityChanged) },
{ "genericInfoChanged", "(ZZ)V",
reinterpret_cast<void *>(genericInfoChanged) },
{ "transportMediumChanged", transportEnumSig.data(),
reinterpret_cast<void *>(transportMediumChangedCallback) },
};
const bool ret = (env->RegisterNatives(clazz, methods, std::size(methods)) == JNI_OK);
env->DeleteLocalRef(clazz);
return ret;
}
QT_END_NAMESPACE
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