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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
******************************************************************************/
#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)
{
Q_UNUSED(env);
Q_UNUSED(obj);
Q_EMIT androidConnManagerInstance->connManager->connectivityChanged();
}
static void behindCaptivePortalChanged(JNIEnv *env, jobject obj, jboolean state)
{
Q_UNUSED(env);
Q_UNUSED(obj);
Q_EMIT androidConnManagerInstance->connManager->captivePortalChanged(state);
}
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());
}
AndroidConnectivityManager::AndroidConnectivity AndroidConnectivityManager::networkConnectivity()
{
QJniEnvironment env;
QJniObject networkReceiver(networkInformationClass);
jclass clazz = env->GetObjectClass(networkReceiver.object());
static const QByteArray functionSignature =
QByteArray(QByteArray("()L") + networkInformationClass + "$AndroidConnectivity;");
QJniObject enumObject =
QJniObject::callStaticObjectMethod(clazz, "state", functionSignature.data());
if (!enumObject.isValid())
return AndroidConnectivityManager::AndroidConnectivity::Unknown;
QJniObject enumName = enumObject.callObjectMethod<jstring>("name");
if (!enumName.isValid())
return AndroidConnectivityManager::AndroidConnectivity::Unknown;
QString name = enumName.toString();
if (name == u"Connected")
return AndroidConnectivity::Connected;
if (name == u"Disconnected")
return AndroidConnectivity::Disconnected;
return AndroidConnectivity::Unknown;
}
bool AndroidConnectivityManager::registerNatives()
{
QJniEnvironment env;
QJniObject networkReceiver(networkInformationClass);
if (!networkReceiver.isValid())
return false;
jclass clazz = env->GetObjectClass(networkReceiver.object());
static JNINativeMethod methods[] = {
{ "connectivityChanged", "()V", reinterpret_cast<void *>(networkConnectivityChanged) },
{ "behindCaptivePortalChanged", "(Z)V",
reinterpret_cast<void *>(behindCaptivePortalChanged) }
};
const bool ret = (env->RegisterNatives(clazz, methods, std::size(methods)) == JNI_OK);
env->DeleteLocalRef(clazz);
return ret;
}
QT_END_NAMESPACE
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