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88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
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/******************************************************************************
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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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#ifndef QDEVICEWATCHER_H
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#define QDEVICEWATCHER_H
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#include <QtCore/QObject>
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#include <QtCore/QEvent>
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#ifdef BUILD_QDEVICEWATCHER_STATIC
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#define Q_DW_EXPORT
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#else
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#if defined(BUILD_QDEVICEWATCHER_LIB)
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# undef Q_DW_EXPORT
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# define Q_DW_EXPORT Q_DECL_EXPORT
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#else
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# undef Q_DW_EXPORT
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# define Q_DW_EXPORT //Q_DECL_IMPORT //only for vc?
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#endif
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#endif //BUILD_QDEVICEWATCHER_STATIC
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class QDeviceWatcherPrivate;
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class Q_DW_EXPORT QDeviceWatcher : public QObject
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QDeviceWatcher)
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public:
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explicit QDeviceWatcher(QObject *parent = 0);
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~QDeviceWatcher();
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bool start();
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bool stop();
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bool isRunning() const;
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void appendEventReceiver(QObject* receiver);
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signals:
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void deviceAdded(const QString& dev);
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void deviceChanged(const QString& dev); //when umounting the device
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void deviceRemoved(const QString& dev);
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protected:
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bool running;
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QDeviceWatcherPrivate *d_ptr;
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};
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class Q_DW_EXPORT QDeviceChangeEvent : public QEvent
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{
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public:
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enum Action { Add, Remove, Change};
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//static const Type EventType; //VC link error
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explicit QDeviceChangeEvent(Action action, const QString& device);
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Action action() const {return m_action;}
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QString device() const {return m_device;}
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static Type registeredType()
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{
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static Type EventType = static_cast<Type>(registerEventType());
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return EventType;
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}
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private:
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Action m_action;
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QString m_device;
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};
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#endif // QDEVICEWATCHER_H
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