bool ScreenLockListenerWin::nativeEventFilter(const QByteArray& eventType, void* message, long*)
{
if (eventType == "windows_generic_MSG" || eventType == "windows_dispatcher_MSG") {
MSG* m = static_cast<MSG*>(message);
if (m->message == WM_POWERBROADCAST) {
if (m->wParam == PBT_POWERSETTINGCHANGE) {
const POWERBROADCAST_SETTING* setting = reinterpret_cast<const POWERBROADCAST_SETTING*>(m->lParam);
if (setting != nullptr && setting->PowerSetting == GUID_LIDSWITCH_STATE_CHANGE) {
const DWORD* state = reinterpret_cast<const DWORD*>(&setting->Data);
if (*state == 0) {
emit screenLocked();
return true;
}
}
} else if (m->wParam == PBT_APMSUSPEND) {
emit screenLocked();
return true;
}
}
if (m->message == WM_WTSSESSION_CHANGE) {
if (m->wParam == WTS_CONSOLE_DISCONNECT) {
emit screenLocked();
return true;
}
if (m->wParam == WTS_SESSION_LOCK) {
emit screenLocked();
return true;
}
}
}
return false;
}
void SystemMonitor::initialize()
{
d = new SystemMonitorPrivate(this);
QAbstractEventDispatcher::instance()->installNativeEventFilter(d);
connect(&d->network, SIGNAL(online()), this, SIGNAL(online()));
connect(&d->network, SIGNAL(offline()), this, SIGNAL(offline()));
connect(&d->screen, SIGNAL(screenLocked()), this, SIGNAL(screenLocked()));
connect(&d->screen, SIGNAL(screenUnlocked()), this, SIGNAL(screenUnlocked()));
connect(&d->screen, SIGNAL(screenSaverStarted()), this, SIGNAL(screenSaverStarted()));
connect(&d->screen, SIGNAL(screenSaverStopped()), this, SIGNAL(screenSaverStopped()));
}
void ApplicationEventHandler::removeObserver(IApplicationEventHandlerObserver* _observer) {
QObject* observer = dynamic_cast<QObject*>(_observer);
disconnect(this, SIGNAL(urlReceivedSignal(QUrl)), observer, SLOT(urlReceived(QUrl)));
disconnect(this, SIGNAL(screenLockedSignal()), observer, SLOT(screenLocked()));
disconnect(this, SIGNAL(screenUnlockedSignal()), observer, SLOT(screenUnlocked()));
}
