File indexing completed on 2024-05-19 04:07:53 

0001 /*
0002     SPDX-FileCopyrightText: 2009-2011 Stefan Majewsky <majewsky@gmx.net>
0003 
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006 
0007 #include "components.h"
0008 
0009 #include <QBuffer>
0010 #include <QFileInfo>
0011 #include <KConfigGroup>
0012 
0013 Palapeli::CollectionStorageComponent::CollectionStorageComponent(KConfigGroup* group)
0014     : m_group(group)
0015 {
0016 }
0017 
0018 Palapeli::CollectionStorageComponent::~CollectionStorageComponent()
0019 {
0020     delete m_group;
0021 }
0022 
0023 Palapeli::PuzzleComponent* Palapeli::CollectionStorageComponent::cast(Type type) const
0024 {
0025     const QString file = puzzle()->location();
0026     //everything except for metadata must always be read from archive
0027     if (type == ArchiveStorage)
0028         return new Palapeli::ArchiveStorageComponent;
0029     else if (type != Metadata)
0030     {
0031         const Palapeli::PuzzleComponent* arStorage = puzzle()->get(ArchiveStorage);
0032         return arStorage ? arStorage->cast(type) : nullptr;
0033     }
0034     //try to serve metadata from cache
0035     const QDateTime mtime = QFileInfo(file).lastModified();
0036     if (m_group->readEntry("ModifyDateTime", QString()) == mtime.toString())
0037     {
0038         //cache is up-to-date
0039         Palapeli::PuzzleMetadata metadata;
0040         metadata.name = m_group->readEntry("Name", QString());
0041         metadata.comment = m_group->readEntry("Comment", QString());
0042         metadata.author = m_group->readEntry("Author", QString());
0043         metadata.pieceCount = m_group->readEntry("PieceCount", 0);
0044         metadata.modifyProtection = m_group->readEntry("ModifyProtection", false);
0045         QByteArray ar = m_group->readEntry("Thumbnail", QByteArray());
0046         metadata.thumbnail.loadFromData(QByteArray::fromBase64 (ar));
0047         return new Palapeli::MetadataComponent(metadata);
0048     }
0049     else
0050     {
0051         //read metadata from archive...
0052         const Palapeli::PuzzleComponent* arStorage = puzzle()->get(ArchiveStorage);
0053         if (!arStorage)
0054             return nullptr;
0055         Palapeli::PuzzleComponent* cMetadata = arStorage->cast(Metadata);
0056         if (!cMetadata)
0057             return nullptr;
0058         //...and populate cache (image is written via a buffer
0059         //because KConfig does not support QImage directly)
0060         const Palapeli::PuzzleMetadata metadata = dynamic_cast<Palapeli::MetadataComponent*>(cMetadata)->metadata;
0061         QBuffer buffer;
0062         metadata.thumbnail.save(&buffer, "PNG");
0063         m_group->writeEntry("Name", metadata.name);
0064         m_group->writeEntry("Comment", metadata.comment);
0065         m_group->writeEntry("Author", metadata.author);
0066         m_group->writeEntry("PieceCount", metadata.pieceCount);
0067         m_group->writeEntry("ModifyProtection", metadata.modifyProtection);
0068         m_group->writeEntry("ModifyDateTime", mtime.toString());
0069         m_group->writeEntry("Thumbnail", buffer.data().toBase64 ());
0070         return cMetadata;
0071     }
0072 }