// vim: set tabstop=4 shiftwidth=4 expandtab /* Gwenview - A simple image viewer for KDE Copyright 2000-2007 Aurélien Gâteau 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 of the License, 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. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ // Self #include "archiveutils.h" // Qt #include // KF #include #include // Local #include "gwenview_lib_debug.h" namespace Gwenview { namespace ArchiveUtils { bool fileItemIsArchive(const KFileItem &item) { const QMimeType mimeType = item.determineMimeType(); if (!mimeType.isValid()) { qCWarning(GWENVIEW_LIB_LOG) << "determineMimeType() returned a null pointer"; return false; } return !ArchiveUtils::protocolForMimeType(mimeType.name()).isEmpty(); } bool fileItemIsDirOrArchive(const KFileItem &item) { return item.isDir() || fileItemIsArchive(item); } QString protocolForMimeType(const QString &mimeType) { static QHash cache; QHash::ConstIterator it = cache.constFind(mimeType); if (it != cache.constEnd()) { return it.value(); } if (mimeType == QLatin1String("image/svg+xml-compressed")) { // We don't want .svgz to be considered as archives because QtSvg knows // how to decode gzip-ed svg files cache.insert(mimeType, QString()); return {}; } QString protocol = KProtocolManager::protocolForArchiveMimetype(mimeType); if (protocol.isEmpty()) { // No protocol, try with mimeType parents. This is useful for .cbz for // example const QMimeType mime = QMimeDatabase().mimeTypeForName(mimeType); const QStringList allAncestors = mime.allAncestors(); for (const QString &parentMimeType : allAncestors) { protocol = KProtocolManager::protocolForArchiveMimetype(parentMimeType); if (!protocol.isEmpty()) { break; } } } cache.insert(mimeType, protocol); return protocol; } } // namespace ArchiveUtils } // namespace Gwenview