98 lines
3.3 KiB
C
98 lines
3.3 KiB
C
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* DeviceManager.h
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* Interface to the DeviceManager class
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* Copyright (C) 2005-2009 Simon Newton
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*
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* The DeviceManager assigns an unsigned int as an alias to each device which
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* remains consistent throughout the lifetime of the DeviceManager. These are
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* used in the user facing portion as '1' is easier to understand/type
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* than 5-02050016. If a device is registered, then unregistered, then
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* registered again, it'll have the same device alias.
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*
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* The DeviceManager is also responsible for restoring the port patchings when
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* devices are registered.
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*/
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#ifndef OLAD_DEVICEMANAGER_H_
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#define OLAD_DEVICEMANAGER_H_
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#include <map>
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#include <string>
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#include <vector>
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#include "olad/Device.h"
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#include "olad/Preferences.h"
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namespace ola {
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using std::map;
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using std::string;
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// pair a device with it's alias
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typedef struct {
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unsigned int alias;
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AbstractDevice *device;
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} device_alias_pair;
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bool operator <(const device_alias_pair& left, const device_alias_pair &right);
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class DeviceManager {
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public:
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DeviceManager(PreferencesFactory *prefs_factory,
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class PortManager *port_manager);
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~DeviceManager();
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bool RegisterDevice(AbstractDevice *device);
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bool UnregisterDevice(const string &device_id);
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bool UnregisterDevice(const AbstractDevice *device);
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unsigned int DeviceCount() const;
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vector<device_alias_pair> Devices() const;
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AbstractDevice *GetDevice(unsigned int alias) const;
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device_alias_pair GetDevice(const string &unique_id) const;
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void UnregisterAllDevices();
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static const unsigned int MISSING_DEVICE_ALIAS;
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static const char PRIORITY_VALUE_SUFFIX[];
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static const char PRIORITY_MODE_SUFFIX[];
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private:
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Preferences *m_port_preferences;
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class PortManager *m_port_manager;
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map<string, device_alias_pair> m_devices; // map device_ids to devices
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map<unsigned int, AbstractDevice*> m_alias_map; // map alias to devices
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unsigned int m_next_device_alias;
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DeviceManager(const DeviceManager&);
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DeviceManager& operator=(const DeviceManager&);
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void SaveDevicePortSettings(const AbstractDevice *device);
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void RestoreDevicePortSettings(AbstractDevice *device);
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template <class PortClass>
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void SavePortPatchings(const vector<PortClass*> &ports) const;
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void SavePortPriority(const Port &port) const;
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void RestorePortPriority(Port *port) const;
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template <class PortClass>
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void RestorePortPatchings(const vector<PortClass*> &ports) const;
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static const char PORT_PREFERENCES[];
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static const unsigned int FIRST_DEVICE_ALIAS = 1;
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};
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} // ola
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#endif // OLAD_DEVICEMANAGER_H_
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