dbjob.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2015-06-01
 * Description : DB Jobs for listing and scanning
 *
 * Copyright (C) 2015 by Mohamed_Anwer <m_dot_anwer at gmx dot com>
 *
 * This program 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 2, or (at your option)
 * any later version.
 *
 * This program 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_DB_JOB_H
#define DIGIKAM_DB_JOB_H
 
// Local includes
 
#include "dbjobinfo.h"
#include "itemlisterrecord.h"
#include "duplicatesprogressobserver.h"
#include "actionthreadbase.h"
#include "digikam_export.h"
 
namespace Digikam
{
 
class DuplicatesProgressObserver;
 
class DIGIKAM_DATABASE_EXPORT DBJob : public ActionJob
{
    Q_OBJECT
 
protected:
 
    explicit DBJob();
    ~DBJob()        override;
 
Q_SIGNALS:
 
    void data(const QList<ItemListerRecord>& records);
    void error(const QString& err);
 
private:
 
    // Disable
    explicit DBJob(QObject*) = delete;
};
 
// ----------------------------------------------
 
class DIGIKAM_DATABASE_EXPORT AlbumsJob : public DBJob
{
    Q_OBJECT
 
public:
 
    explicit AlbumsJob(const AlbumsDBJobInfo& jobInfo);
    ~AlbumsJob()    override;
 
protected:
 
    void run()      override;
 
Q_SIGNALS:
 
    void foldersData(const QMap<int, int>&);
 
private:
 
    AlbumsDBJobInfo m_jobInfo;
 
private:
 
    // Disable
    AlbumsJob(QObject*);
};
 
// ----------------------------------------------
 
class DIGIKAM_DATABASE_EXPORT DatesJob : public DBJob
{
    Q_OBJECT
 
public:
 
    explicit DatesJob(const DatesDBJobInfo& jobInfo);
    ~DatesJob()     override;
 
protected:
 
    void run()      override;
 
Q_SIGNALS:
 
    void foldersData(const QHash<QDateTime, int>& datesStatMap);
 
private:
 
    DatesDBJobInfo m_jobInfo;
 
private:
 
    // Disable
    DatesJob(QObject*) = delete;
};
 
// ----------------------------------------------
 
class DIGIKAM_DATABASE_EXPORT GPSJob : public DBJob
{
    Q_OBJECT
 
public:
 
    explicit GPSJob(const GPSDBJobInfo& jobInfo);
    ~GPSJob()       override;
 
protected:
 
    void run()      override;
 
Q_SIGNALS:
 
    void directQueryData(const QList<QVariant>& data);
 
private:
 
    GPSDBJobInfo m_jobInfo;
 
private:
 
    // Disable
    GPSJob(QObject*);
};
 
// ----------------------------------------------
 
class DIGIKAM_DATABASE_EXPORT TagsJob : public DBJob
{
    Q_OBJECT
 
public:
 
    explicit TagsJob(const TagsDBJobInfo& jobInfo);
    ~TagsJob()      override;
 
protected:
 
    void run()      override;
 
Q_SIGNALS:
 
    void foldersData(const QMap<int, int>& data);
    void faceFoldersData(const QMap<QString, QMap<int, int> >& data);
 
private:
 
    TagsDBJobInfo m_jobInfo;
 
private:
 
    // Disable
    TagsJob(QObject*);
};
 
// ----------------------------------------------
 
class DIGIKAM_DATABASE_EXPORT SearchesJob : public DBJob
{
    Q_OBJECT
 
public:
 
    explicit SearchesJob(const SearchesDBJobInfo& jobInfo);
    SearchesJob(const SearchesDBJobInfo& jobInfo,
                const QSet<qlonglong>::const_iterator& begin,
                const QSet<qlonglong>::const_iterator& end,
                HaarIface* iface);
 
    ~SearchesJob()  override;
 
    bool isCanceled() const;
 
Q_SIGNALS:
 
    void signalImageProcessed();
    void signalDuplicatesResults(const HaarIface::DuplicatesResultsMap&);
 
protected:
 
    void run()      override;
 
private:
 
    SearchesDBJobInfo                m_jobInfo;
    QSet<qlonglong>::const_iterator  m_begin;
    QSet<qlonglong>::const_iterator  m_end;
    HaarIface*                       m_iface;
 
private:
 
    // Disable
    SearchesJob(QObject*);
 
    void runSearches();
    void runFindDuplicates();
};
 
} // namespace Digikam
 
#endif // DIGIKAM_DB_JOB_H