Clementine-audio-player-Mac.../src/devices/devicemanager.h

132 lines
3.7 KiB
C++

/* This file is part of Clementine.
Clementine 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 3 of the License, or
(at your option) any later version.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DEVICEMANAGER_H
#define DEVICEMANAGER_H
#include "devicedatabasebackend.h"
#include "core/backgroundthread.h"
#include "library/librarymodel.h"
#include <QAbstractListModel>
#include <QIcon>
#include <boost/shared_ptr.hpp>
class ConnectedDevice;
class Database;
class DeviceLister;
class TaskManager;
class DeviceManager : public QAbstractListModel {
Q_OBJECT
public:
DeviceManager(BackgroundThread<Database>* database, TaskManager* task_manager,
QObject* parent = 0);
~DeviceManager();
enum Role {
Role_State = LibraryModel::LastRole,
Role_UniqueId,
Role_FriendlyName,
Role_Capacity,
Role_IconName,
};
enum State {
State_Remembered,
State_NotConnected,
State_Connected,
};
static const int kDeviceIconSize;
static const int kDeviceIconOverlaySize;
BackgroundThread<Database>* database() const { return database_; }
TaskManager* task_manager() const { return task_manager_; }
// Get info about devices
int GetDatabaseId(int row) const;
DeviceLister* GetLister(int row) const;
boost::shared_ptr<ConnectedDevice> GetConnectedDevice(int row) const;
int FindDeviceById(const QString& id) const;
// Actions on devices
boost::shared_ptr<ConnectedDevice> Connect(int row);
void Disconnect(int row);
void Forget(int row);
// QAbstractListModel
int rowCount(const QModelIndex &parent) const;
QVariant data(const QModelIndex &index, int role) const;
signals:
void DeviceDisconnected(int row);
private slots:
void PhysicalDeviceAdded(const QString& id);
void PhysicalDeviceRemoved(const QString& id);
void PhysicalDeviceChanged(const QString& id);
private:
// Devices can be in three different states:
// 1) Remembered in the database but not physically connected at the moment.
// database_id valid, lister null, device null
// 2) Physically connected but the user hasn't "connected" it to Clementine
// yet.
// database_id == -1, lister valid, device null
// 3) Physically connected and connected to Clementine
// database_id valid, lister valid, device valid
// Devices in all states will have a unique_id.
struct DeviceInfo {
DeviceInfo();
void InitFromDb(const DeviceDatabaseBackend::Device& dev);
DeviceDatabaseBackend::Device SaveToDb() const;
void LoadIcon(const QString& filename);
int database_id_; // -1 if not remembered in the database
DeviceLister* lister_; // NULL if not physically connected
boost::shared_ptr<ConnectedDevice> device_; // NULL if not connected to clementine
QString unique_id_;
QString friendly_name_;
quint64 size_;
QString icon_name_;
QIcon icon_;
};
void AddLister(DeviceLister* lister);
DeviceDatabaseBackend::Device InfoToDatabaseDevice(const DeviceInfo& info) const;
private:
BackgroundThread<Database>* database_;
DeviceDatabaseBackend* backend_;
TaskManager* task_manager_;
QIcon not_connected_overlay_;
QList<DeviceLister*> listers_;
QList<DeviceInfo> devices_;
};
#endif // DEVICEMANAGER_H