qnetworklistmanagerevents.h

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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
 
#ifndef QNETWORKLISTMANAGEREVENTS_H
#define QNETWORKLISTMANAGEREVENTS_H
 
#include <QtNetwork/private/qtnetworkglobal_p.h>
 
#include <QtNetwork/qnetworkinformation.h>
 
#include <QtCore/qstring.h>
#include <QtCore/qobject.h>
#include <QtCore/qloggingcategory.h>
#include <QtCore/qmutex.h>
 
#include <objbase.h>
#include <ocidl.h>
#include <netlistmgr.h>
#include <QtCore/private/qcomptr_p.h>
#include <wrl/wrappers/corewrappers.h>
 
#if QT_CONFIG(cpp_winrt)
#include <QtCore/private/qt_winrtbase_p.h>
#endif
 
using namespace Microsoft::WRL;
 
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(lcNetInfoNLM)
 
class QNetworkListManagerEvents : public QObject, public INetworkListManagerEvents
{
    Q_OBJECT
public:
    QNetworkListManagerEvents();
    virtual ~QNetworkListManagerEvents();
 
    HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject) override;
 
    ULONG STDMETHODCALLTYPE AddRef() override { return ++ref; }
    ULONG STDMETHODCALLTYPE Release() override
    {
        if (--ref == 0) {
            delete this;
            return 0;
        }
        return ref;
    }
 
    HRESULT STDMETHODCALLTYPE ConnectivityChanged(NLM_CONNECTIVITY newConnectivity) override;
 
    [[nodiscard]] bool start();
    void stop();
 
    [[nodiscard]] bool checkBehindCaptivePortal();
 
signals:
    void connectivityChanged(NLM_CONNECTIVITY);
    void transportMediumChanged(QNetworkInformation::TransportMedium);
    void isMeteredChanged(bool);
 
private:
    ComPtr<INetworkListManager> networkListManager = nullptr;
    ComPtr<IConnectionPoint> connectionPoint = nullptr;
 
#if QT_CONFIG(cpp_winrt)
    void emitWinRTUpdates();
 
    winrt::event_token token;
    QMutex winrtLock;
#endif
 
    QAtomicInteger<ULONG> ref = 0;
    DWORD cookie = 0;
};
 
QT_END_NAMESPACE
 
#endif // QNETWORKLISTMANAGEREVENTS_H