File indexing completed on 2024-04-14 05:41:27

 /*
     SPDX-FileCopyrightText: 2016 ROSA
     SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 ////////////////////////////////////////////////////////////////////////////////
 // Windows implementation of UsbDeviceMonitor
 
 #include "usbdevicemonitor_win_p.h"
 #include "usbdevicemonitor.h"
 
 #include <QApplication>
 
 
 // Private class implementation
 
 UsbDeviceMonitorPrivate::UsbDeviceMonitorPrivate()
 {
 }
 
 UsbDeviceMonitorPrivate::~UsbDeviceMonitorPrivate()
 {
 }
 
 
 // Main class implementation
 
 UsbDeviceMonitor::UsbDeviceMonitor(QObject *parent) :
     QObject(parent),
     d_ptr(new UsbDeviceMonitorPrivate())
 {
 }
 
 UsbDeviceMonitor::~UsbDeviceMonitor()
 {
     cleanup();
     delete d_ptr;
 }
 
 // Closes handles and frees resources
 void UsbDeviceMonitor::cleanup()
 {
 }
 
 // Implements QAbstractNativeEventFilter interface for processing WM_DEVICECHANGE messages (Windows)
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 bool UsbDeviceMonitor::nativeEventFilter(const QByteArray& eventType, void* message, long* result)
 #else
 bool UsbDeviceMonitor::nativeEventFilter(const QByteArray& eventType, void* message, qintptr* result)
 #endif
 {
     Q_UNUSED(eventType);
 
     MSG* msg = static_cast<MSG*>(message);
     if ((msg->message == WM_DEVICECHANGE) &&
         ((msg->wParam == DBT_DEVICEARRIVAL) || (msg->wParam == DBT_DEVICEREMOVECOMPLETE)))
     {
         // If the event was caused by adding or removing a device, mark the WinAPI message as processed
         // and emit the notification signal
         *result = TRUE;
         emit deviceChanged();
         return true;
     }
     return false;
 }
 
 bool UsbDeviceMonitor::startMonitoring()
 {
     // In Windows we use QAbstractNativeEventFilter interface implementation and process native Windows messages
     qApp->installNativeEventFilter(this);
     return true;
 }