/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the examples of the Qt Mobility Components. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 Digia Plc and its Subsidiary(-ies) 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "coverartmodel.h" #include "albumdelegate.h" #include <QtCore/qcryptographichash.h> #include <QtCore/qdir.h> #include <QtCore/qurl.h> #define QT_GALLERY_MEDIA_ART_ILLEGAL_CHARACTERS \ "\\(.*\\)|\\{.*\\}|\\[.*\\]|<.*>|[\\(\\)_\\{\\}\\[\\]\\!@#$\\^&\\*\\+\\=\\|\\\\/\"'\\?~`]" CoverArtModel::CoverArtModel(QAbstractGallery *gallery, QObject *parent) : ThumbnailModel(gallery, parent) #if defined(Q_OS_UNIX) && !(defined(Q_OS_SYMBIAN) || defined(Q_OS_MAC)) , illegalCharacters(QLatin1String(QT_GALLERY_MEDIA_ART_ILLEGAL_CHARACTERS)) , whitespace(QCryptographicHash::hash(" ", QCryptographicHash::Md5).toHex()) #endif { } #if defined(Q_OS_UNIX) && !(defined(Q_OS_SYMBIAN) || defined(Q_OS_MAC)) QUrl CoverArtModel::imageUrl(const QModelIndex &index) const { QString title = index.data(Qt::DisplayRole).toString(); QString artist = index.data(AlbumDelegate::Artist).toString(); QString fileName = QDir::homePath() + QLatin1String("/.cache/media-art/album-") + hash(artist) + QLatin1Char('-') + hash(title) + QLatin1String(".jpeg"); return QUrl::fromLocalFile(fileName); } QString CoverArtModel::hash(const QString &identifier) const { if (identifier.isEmpty()) { return whitespace; } else { return QCryptographicHash::hash( identifier.toLower().remove(illegalCharacters).simplified().toUtf8(), QCryptographicHash::Md5).toHex(); } } #endif