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173 lines
4.8 KiB
173 lines
4.8 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-01-01
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* Description : scan pictures interface.
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*
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* Copyright (C) 2005-2006 by Tom Albers <tomalbers@kde.nl>
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* Copyright (C) 2007-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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#ifndef SCANLIB_H
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#define SCANLIB_H
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// TQt includes.
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#include <tqstring.h>
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#include <tqmap.h>
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// KDE includes.
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#include <kurl.h>
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// Local includes.
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#include "digikam_export.h"
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/** @file scanlib.h */
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namespace Digikam
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{
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class DProgressDlg;
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class SplashScreen;
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/**
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* Class which is responsible for keeping the database in sync
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* with the disk. Scanlib is a library that takes care of scanning the
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* filesystem for new files and adds them in the database and checking
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* for missing info in the database so that it can be included: if date
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* is empty, it adds the exif or modification date (in that order) and
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* the comment to database. If the file is not present in the database,
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* make sure to add the file to the database and insert the date and
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* comments.
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*/
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class DIGIKAM_EXPORT ScanLib
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{
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public:
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/**
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* Constructor
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*/
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ScanLib(SplashScreen *splash=0);
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/**
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* Destructor
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*/
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~ScanLib();
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/**
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* This will execute findFoldersWhichDoNotExist(),
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* findMissingItems() and updateItemsWithoutDate()
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* and deletes all items from the database after confirmation.
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*/
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void startScan();
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/**
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* This checks if all albums in the database still existing
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* on the disk
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*/
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void findFoldersWhichDoNotExist();
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/**
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* This calls allFiles with the albumPath.
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*/
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void findMissingItems();
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/**
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* This calls allFiles with a given path.
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* @param path the path to scan.
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*/
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void findMissingItems(const TQString &path);
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/**
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* This queries the db for items that have no date
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* for each item found, storeItemInDatabase is called.
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*/
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void updateItemsWithoutDate();
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private:
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/**
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* This counts all existing files recursively, starting from
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* directory.
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* @param directory The path to the start searching from
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* @return The amount of items
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*/
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int countItemsInFolder(const TQString& directory);
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/**
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* This checks all existing files recursively, starting from
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* directory. Calls storeItemInDatabase to store the found items
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* which are not in the database.
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* @param directory The path to the start searching from
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*/
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void allFiles(const TQString& directory);
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/**
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* This fetches the exif-date or the modification date when
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* the exif-date is not available and retrieves the JFIF-comment
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* and calls AlbumDB::setItemDateComment to store the info in
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* the db.
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* @param albumURL The album path (relative to the
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* album library Path)
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* @param filename The filename of the item to store
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* @param albumID The albumID as used in the database
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*/
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void storeItemInDatabase(const TQString& albumURL,
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const TQString& filename,
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int albumID);
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/**
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* This fetches the exif-date or the modification date when
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* the exif-date is not available and calls AlbumDB::setItemDate
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* to store the info in
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* the db.
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* @param albumURL The album path (relative to the album library Path)
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* @param filename The filename of the item to store
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* @param albumID The albumID as used in the database
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*/
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void updateItemDate(const TQString& albumURL,
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const TQString& filename,
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int albumID);
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/**
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* This will delete all items stored in m_filesToBeDeleted
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*/
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void deleteStaleEntries();
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/**
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* Member variable so we can update the progress bar everywhere
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*/
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DProgressDlg *m_progressBar;
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SplashScreen *m_splash;
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/**
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* Member to store stale filesystem
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*/
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TQValueList< TQPair<TQString,int> > m_filesToBeDeleted;
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/**
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* This is used to print out some timings.
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*/
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void timing(const TQString& text, struct timeval tv1, struct timeval tv2);
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};
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} // namespace Digikam
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#endif /* SCANLIB_H */
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