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++ // Copyright (C) 2022 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 QBLUETOOTHDEVICEWATCHER_WINRT_P_H
++ #define QBLUETOOTHDEVICEWATCHER_WINRT_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QtCore/private/qglobal_p.h>
++ #include <QtCore/QObject>
++
++ #include <private/qbluetoothutils_winrt_p.h>
++
++ #include <winrt/base.h>
++ #include <QtCore/private/qfactorycacheregistration_p.h>
++ #include <winrt/Windows.Devices.Enumeration.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class QBluetoothDeviceWatcherWinRT : public QObject,
++ public std::enable_shared_from_this<QBluetoothDeviceWatcherWinRT>
++ {
++ Q_OBJECT
++ public:
++ QBluetoothDeviceWatcherWinRT(int id, winrt::hstring selector);
++ QBluetoothDeviceWatcherWinRT(int id, winrt::hstring selector,
++ winrt::Windows::Devices::Enumeration::DeviceInformationKind kind);
++ ~QBluetoothDeviceWatcherWinRT();
++
++ bool init();
++ void start();
++ void stop();
++
++ signals:
++ // The signals will be emitted from a separate thread,
++ // so we need to use Qt::QueuedConnection
++ void deviceAdded(winrt::hstring deviceId, int id);
++ void deviceRemoved(winrt::hstring deviceId, int id);
++ void deviceUpdated(winrt::hstring deviceId, int id);
++ void enumerationCompleted(int id);
++ void watcherStopped(int id);
++
++ private:
++ void subscribeToEvents();
++ void unsubscribeFromEvents();
++ bool canStop() const;
++
++ const int m_id; // used to uniquely identify the wrapper
++ winrt::Windows::Devices::Enumeration::DeviceWatcher m_watcher = nullptr;
++
++ winrt::event_token m_addedToken;
++ winrt::event_token m_removedToken;
++ winrt::event_token m_updatedToken;
++ winrt::event_token m_enumerationToken;
++ winrt::event_token m_stoppedToken;
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QBLUETOOTHDEVICEWATCHER_WINRT_P_H