kde-workspace/kioslave/mtp/devicecache.h
Ivailo Monev b36ba5774e kioslave: use constant reference as argument type for DeviceCache::contains()
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2021-07-13 20:41:58 +03:00

92 lines
2.2 KiB
C++

/*
Cache for recently used devices.
Copyright (C) 2012 Philipp Schmidt <philschmidt@gmx.net>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DEVICECACHE_H
#define DEVICECACHE_H
#include <QPair>
#include <QHash>
#include <QThread>
#include <QEventLoop>
#include <Solid/DeviceNotifier>
#include <Solid/Device>
#include <libmtp.h>
class CachedDevice : public QObject
{
Q_OBJECT
private:
qint32 timeout;
LIBMTP_mtpdevice_t* mtpdevice;
LIBMTP_raw_device_t rawdevice;
QString name;
QString udi;
public:
explicit CachedDevice(LIBMTP_mtpdevice_t* device, LIBMTP_raw_device_t* rawdevice, const QString udi, qint32 timeout);
virtual ~CachedDevice();
LIBMTP_mtpdevice_t* getDevice();
const QString getName() const;
const QString getUdi() const;
};
class DeviceCache : public QEventLoop
{
Q_OBJECT
private:
/**
* Fields in order: Devicename (QString), expiration Timer, pointer to device
*/
QHash< QString, CachedDevice* > nameCache, udiCache;
Solid::DeviceNotifier *notifier;
qint32 timeout;
public:
DeviceCache( qint32 timeout, QObject* parent = 0 );
virtual ~DeviceCache();
/*
* Functions for accessing the device
*/
private:
void checkDevice ( Solid::Device solidDevice );
private slots:
void deviceAdded( const QString &udi );
void deviceRemoved( const QString &udi );
public:
QHash< QString, CachedDevice* > getAll();
CachedDevice* get(const QString& string, bool isUdi = false);
bool contains(const QString& string, bool isUdi = false);
int size();
};
#endif // DEVICECACHE_H