harbour-books/app/src/BooksShelf.h
2015-12-12 12:38:26 +03:00

197 lines
7 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_SHELF_MODEL_H
#define BOOKS_SHELF_MODEL_H
#include "BooksItem.h"
#include "BooksStorage.h"
#include "BooksSaveTimer.h"
#include "BooksTask.h"
#include "BooksTaskQueue.h"
#include "BooksLoadingProperty.h"
#include <QDir>
#include <QHash>
#include <QVariant>
#include <QByteArray>
#include <QAbstractListModel>
#include <QtQml>
class BooksShelf: public QAbstractListModel, public BooksItem, public BooksLoadingProperty
{
Q_OBJECT
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_PROPERTY(int bookCount READ bookCount NOTIFY bookCountChanged)
Q_PROPERTY(int shelfCount READ shelfCount NOTIFY shelfCountChanged)
Q_PROPERTY(bool loading READ loading NOTIFY loadingChanged)
Q_PROPERTY(bool accessible READ accessible CONSTANT)
Q_PROPERTY(QString path READ path NOTIFY pathChanged)
Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
Q_PROPERTY(QString device READ device WRITE setDevice NOTIFY deviceChanged)
Q_PROPERTY(QString relativePath READ relativePath WRITE setRelativePath NOTIFY relativePathChanged)
Q_PROPERTY(bool editMode READ editMode WRITE setEditMode NOTIFY editModeChanged)
Q_PROPERTY(bool hasDummyItem READ hasDummyItem WRITE setHasDummyItem NOTIFY hasDummyItemChanged)
Q_PROPERTY(int dummyItemIndex READ dummyItemIndex WRITE setDummyItemIndex NOTIFY dummyItemIndexChanged)
Q_PROPERTY(BooksBook* book READ book CONSTANT)
Q_PROPERTY(BooksShelf* shelf READ shelf CONSTANT)
Q_PROPERTY(QObject* storage READ storageObject CONSTANT)
public:
explicit BooksShelf(QObject* aParent = NULL);
BooksShelf(BooksStorage aStorage, QString aRelativePath);
~BooksShelf();
Q_INVOKABLE QObject* get(int aIndex) const;
Q_INVOKABLE bool drop(QObject* aItem);
Q_INVOKABLE void move(int aFrom, int aTo);
Q_INVOKABLE void remove(int aIndex);
Q_INVOKABLE void removeAll();
Q_INVOKABLE bool deleteRequested(int aIndex) const;
Q_INVOKABLE void setDeleteRequested(int aIndex, bool aValue);
Q_INVOKABLE void cancelAllDeleteRequests();
Q_INVOKABLE void importBook(QObject* aBook);
bool loading() const { return iLoadTask != NULL; }
int count() const;
int bookCount() const;
int shelfCount() const;
QString relativePath() const { return iRelativePath; }
void setRelativePath(QString aPath);
BooksBook* bookAt(int aIndex) const;
QObject* storageObject() { return &iStorage; }
const BooksStorage& storage() const { return iStorage; }
void setName(QString aName);
bool editMode() const { return iEditMode; }
void setEditMode(bool aEditMode);
bool hasDummyItem() const { return iDummyItemIndex >= 0; }
void setHasDummyItem(bool aHasDummyItem);
int dummyItemIndex() const { return iDummyItemIndex; }
void setDummyItemIndex(int aIndex);
QString device() { return iStorage.device(); }
void setDevice(QString aDevice);
// QAbstractListModel
virtual QHash<int,QByteArray> roleNames() const;
virtual int rowCount(const QModelIndex& aParent) const;
virtual QVariant data(const QModelIndex& aIndex, int aRole) const;
// BooksItem
virtual BooksItem* retain();
virtual void release();
virtual QObject* object();
virtual BooksShelf* shelf();
virtual BooksBook* book();
virtual QString name() const;
virtual QString fileName() const;
virtual QString path() const;
virtual bool accessible() const;
virtual void deleteFiles();
virtual BooksItem* copyTo(const BooksStorage& aStorage, QString aRelPath,
CopyOperation* aObserver);
Q_SIGNALS:
void loadingChanged();
void countChanged();
void bookCountChanged();
void shelfCountChanged();
void pathChanged();
void nameChanged();
void deviceChanged();
void relativePathChanged();
void editModeChanged();
void hasDummyItemChanged();
void dummyItemIndexChanged();
void bookAdded(BooksBook* aBook);
void bookRemoved(BooksBook* aBook);
private Q_SLOTS:
void onLoadTaskDone();
void onBookAccessibleChanged();
void onBookCopyingOutChanged();
void onBookMovedAway();
void onCopyTaskProgressChanged();
void onCopyTaskDone();
void onDeleteTaskDone();
void saveState();
private:
void init();
QString stateFileName() const;
QString stateFileName(QString aRelativePath) const;
int bookIndex(BooksBook* aBook) const;
int itemIndex(QString aFileName, int aStartIndex = 0) const;
bool validIndex(int aIndex) const;
void emitDataChangedSignal(int aRow, int aRole);
void queueStateSave();
void loadBookList();
void updatePath();
void updateFileName();
void submitDeleteTask(int aIndex);
private:
class Data;
class Counts;
class CopyTask;
class LoadTask;
class ImportTask;
class DeleteTask;
friend class Counts;
bool iLoadBookList;
QList<Data*> iList;
QList<DeleteTask*> iDeleteTasks;
LoadTask* iLoadTask;
QString iFileName;
QString iPath;
QString iRelativePath;
BooksStorage iStorage;
int iDummyItemIndex;
bool iEditMode;
QAtomicInt iRef;
BooksSaveTimer* iSaveTimer;
shared_ptr<BooksTaskQueue> iTaskQueue;
};
QML_DECLARE_TYPE(BooksShelf)
inline bool BooksShelf::validIndex(int aIndex) const
{ return aIndex >= 0 && aIndex < iList.count(); }
inline QString BooksShelf::stateFileName() const
{ return stateFileName(iRelativePath); }
#endif // BOOKS_SHELF_MODEL_H