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104 lines
2.8 KiB
C++
Executable File
104 lines
2.8 KiB
C++
Executable File
/******************************************************************************
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QDeviceWatcher: Device watcher class
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Copyright (C) 2011-2015 Wang Bin <wbsecg1@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#include "qdevicewatcher.h"
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#include "qdevicewatcher_p.h"
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QDeviceWatcher::QDeviceWatcher(QObject* parent)
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:QObject(parent),running(false),d_ptr(new QDeviceWatcherPrivate)
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{
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Q_D(QDeviceWatcher);
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d->setWatcher(this);
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}
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QDeviceWatcher::~QDeviceWatcher()
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{
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if (d_ptr) {
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delete d_ptr;
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d_ptr = NULL;
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}
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}
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bool QDeviceWatcher::start()
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{
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Q_D(QDeviceWatcher);
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if (!d->start()) {
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stop();
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running = false;
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}
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running = true;
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return running;
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}
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bool QDeviceWatcher::stop()
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{
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Q_D(QDeviceWatcher);
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running = !d->stop();
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return !running;
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}
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bool QDeviceWatcher::isRunning() const
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{
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return running;
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}
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void QDeviceWatcher::appendEventReceiver(QObject *receiver)
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{
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Q_D(QDeviceWatcher);
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d->event_receivers.append(receiver);
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}
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void QDeviceWatcherPrivate::emitDeviceAdded(const QString &dev)
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{
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if (!QMetaObject::invokeMethod(watcher, "deviceAdded", Q_ARG(QString, dev)))
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qWarning("invoke deviceAdded failed");
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}
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void QDeviceWatcherPrivate::emitDeviceChanged(const QString &dev)
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{
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if (!QMetaObject::invokeMethod(watcher, "deviceChanged", Q_ARG(QString, dev)))
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qWarning("invoke deviceChanged failed");
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}
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void QDeviceWatcherPrivate::emitDeviceRemoved(const QString &dev)
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{
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if (!QMetaObject::invokeMethod(watcher, "deviceRemoved", Q_ARG(QString, dev)))
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qWarning("invoke deviceRemoved failed");
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}
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void QDeviceWatcherPrivate::emitDeviceAction(const QString &dev, const QString &action)
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{
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QString a(action.toLower());
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if (a == QLatin1String("add"))
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emitDeviceAdded(dev);
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else if (a == QLatin1String("remove"))
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emitDeviceRemoved(dev);
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else if (a == QLatin1String("change"))
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emitDeviceChanged(dev);
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}
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//const QEvent::Type QDeviceChangeEvent::EventType = static_cast<QEvent::Type>(QEvent::registerEventType());
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QDeviceChangeEvent::QDeviceChangeEvent(Action action, const QString &device) :
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QEvent(registeredType())
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{
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m_action = action;
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m_device = device;
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}
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