harbour-books/app/src/BooksStorageModel.h
2015-08-19 00:37:22 +03:00

91 lines
3.2 KiB
C++

/*
* Copyright (C) 2015 Jolla Ltd.
* Contact: 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Nemo Mobile 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_MODEL_H
#define BOOKS_STORAGE_MODEL_H
#include "BooksStorage.h"
#include <QHash>
#include <QVariant>
#include <QByteArray>
#include <QAbstractListModel>
#include <QtQml>
class BooksStorageModel: public QAbstractListModel
{
Q_OBJECT
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_PROPERTY(QObject* internalStorage READ internalStorage CONSTANT)
public:
explicit BooksStorageModel(QObject* aParent = NULL);
~BooksStorageModel();
Q_INVOKABLE int count() const;
Q_INVOKABLE int deviceIndex(QString aDevice) const;
Q_INVOKABLE QString deviceAt(int aIndex) const;
Q_INVOKABLE void setDeleteAllRequest(int aIndex, bool aValue);
Q_INVOKABLE void cancelDeleteAllRequests();
Q_INVOKABLE QObject* get(int aIndex) const;
QObject* internalStorage() { return &iInternalStorage; }
// QAbstractListModel
virtual QHash<int,QByteArray> roleNames() const;
virtual int rowCount(const QModelIndex& aParent) const;
virtual QVariant data(const QModelIndex& aIndex, int aRole) const;
Q_SIGNALS:
void countChanged();
void newStorage(int index);
private Q_SLOTS:
void onStorageAdded(BooksStorage aStorage);
void onStorageRemoved(BooksStorage aStorage);
private:
bool validIndex(int aIndex) const;
int find(const BooksStorage& aStorage) const;
private:
class Data;
QList<Data*> iList;
BooksStorage iInternalStorage;
};
QML_DECLARE_TYPE(BooksStorageModel)
inline bool BooksStorageModel::validIndex(int aIndex) const
{ return aIndex >= 0 && aIndex < iList.count(); }
#endif // BOOKS_STORAGE_MODEL_H