File indexing completed on 2024-12-01 07:25:49

 /*
     SPDX-FileCopyrightText: 2022 Volker Krause <vkrause@kde.org>
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "wifimonitor_p.h"
 #include "logging.h"
 
 #include <QSharedData>
 
 #include <private/qandroidextras_p.h>
 #include <QCoreApplication>
 #include <QJniEnvironment>
 #include <QJniObject>
 
 using namespace KPublicTransport;
 
 namespace KPublicTransport {
 class WifiMonitorBackend : public QSharedData
 {
 public:
     void setSsid(const QString &ssid);
     void setStatus(int statusCode);
 
     std::vector<WifiMonitor*> frontends;
     WifiMonitor::Status status = WifiMonitor::NotAvailable;
     QJniObject wifiMonitor;
 };
 }
 
 void WifiMonitorBackend::setSsid(const QString &ssid)
 {
     for (auto m : frontends) {
         m->setSsid(ssid);
     }
 }
 
 void WifiMonitorBackend::setStatus(int statusCode)
 {
     if (status == statusCode) {
         return;
     }
     status = static_cast<WifiMonitor::Status>(statusCode);
     for (auto m : frontends) {
         Q_EMIT m->statusChanged();
     }
 }
 
 static WifiMonitorBackend *s_backend = nullptr;
 
 static void setSsid(JNIEnv *env, [[maybe_unused]] jobject that, jstring ssid)
 {
     if (s_backend) {
         const char *str = env->GetStringUTFChars(ssid, nullptr);
         s_backend->setSsid(QString::fromUtf8(str));
         env->ReleaseStringUTFChars(ssid, str);
     }
 }
 
 static void setStatus([[maybe_unused]] JNIEnv *env, [[maybe_unused]] jobject that, jint statusCode)
 {
     if (s_backend) {
         s_backend->setStatus(statusCode);
     }
 }
 
 static const JNINativeMethod methods[] = {
     {"setSsid", "(Ljava/lang/String;)V", (void *)setSsid},
     {"setStatus", "(I)V", (void *)setStatus},
 };
 
 WifiMonitor::WifiMonitor(QObject *parent)
     : QObject(parent)
 {
     static bool nativesRegistered = false;
     if (!nativesRegistered) {
         QJniEnvironment env;
         jclass cls = env->FindClass("org/kde/publictransport/onboard/WifiMonitor");
         if (env->RegisterNatives(cls, methods, sizeof(methods) / sizeof(JNINativeMethod)) < 0) {
             qCWarning(Log) << "Failed to register native functions!";
         }
         nativesRegistered = true;
     }
 
     if (!s_backend) {
         s_backend = new WifiMonitorBackend;
         s_backend->wifiMonitor = QJniObject("org/kde/publictransport/onboard/WifiMonitor", "(Landroid/content/Context;)V", QNativeInterface::QAndroidApplication::context());
     }
 
     s_backend->ref.ref();
     s_backend->frontends.push_back(this);
 }
 
 WifiMonitor::~WifiMonitor()
 {
     s_backend->ref.deref();
     if (!s_backend->ref) {
         delete s_backend;
         s_backend = nullptr;
     } else {
         auto it = std::find(s_backend->frontends.begin(), s_backend->frontends.end(), this);
         if (it != s_backend->frontends.end()) {
             s_backend->frontends.erase(it);
         }
     }
 }
 
 WifiMonitor::Status WifiMonitor::status() const
 {
     return s_backend->status;
 }
 
 void WifiMonitor::requestPermissions()
 {
     // TODO make this properly async
     QtAndroidPrivate::requestPermission(QStringLiteral("android.permission.ACCESS_FINE_LOCATION"));
     s_backend->wifiMonitor.callMethod<void>("checkStatus", "()V");
 }