harbour-books/app/src/BooksStorage.h
2022-10-10 20:20:13 +03:00

127 lines
3.9 KiB
C++

/*
* Copyright (C) 2015-2022 Jolla Ltd.
* Copyright (C) 2015-2022 Slava Monich <slava.monich@jolla.com>
*
* You may use this file under the terms of the BSD license as follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BOOKS_STORAGE_H
#define BOOKS_STORAGE_H
#include <QObject>
#include <QList>
#include <QDir>
class BooksSettings;
class BooksStorageManager;
class BooksStorage: public QObject
{
Q_OBJECT
Q_PROPERTY(QString root READ root CONSTANT)
Q_PROPERTY(bool internal READ isInternal CONSTANT)
Q_PROPERTY(bool valid READ isValid CONSTANT)
enum Type {
InternalStorage,
RemovableStorage,
TmpStorage
};
public:
BooksStorage();
BooksStorage(const BooksStorage&);
~BooksStorage();
QString device() const;
QDir booksDir() const;
QDir configDir() const;
QString label() const { return booksDir().dirName(); }
QString root() const { return booksDir().path(); }
QString fullConfigPath(const QString) const;
QString fullPath(const QString) const;
bool isValid() const { return iPrivate != NULL; }
bool isInternal() const;
bool isPresent() const;
bool equal(const BooksStorage&) const;
void set(const BooksStorage&);
BooksStorage& operator = (const BooksStorage& aStorage)
{ set(aStorage); return *this; }
bool operator == (const BooksStorage& aStorage) const
{ return equal(aStorage); }
static BooksStorage tmpStorage();
Q_SIGNALS:
void removed();
private:
friend class BooksStorageManager;
BooksStorage(const QString, const QString, const QString, Type);
void connectNotify(const QMetaMethod&) Q_DECL_OVERRIDE;
private:
class Private;
Private* iPrivate;
bool iPassThrough;
};
class BooksStorageManager: public QObject
{
Q_OBJECT
public:
static BooksStorageManager* instance();
static void deleteInstance();
~BooksStorageManager();
int count() const;
QList<BooksStorage> storageList() const;
BooksStorage internalStorage() const;
BooksStorage storageForDevice(const QString) const;
BooksStorage storageForPath(const QString, QString* aRelPath = NULL) const;
Q_SIGNALS:
void storageAdded(BooksStorage);
void storageRemoved(BooksStorage);
void storageReplaced(BooksStorage, BooksStorage);
private:
BooksStorageManager();
private:
class Private;
Private* iPrivate;
};
Q_DECLARE_METATYPE(BooksStorage)
#endif // BOOKS_STORAGE_H