File indexing completed on 2024-05-05 04:19:14

0001 // vim: set tabstop=4 shiftwidth=4 expandtab:
0002 /*
0003 Gwenview: an image viewer
0004 Copyright 2010 Aurélien Gâteau <agateau@kde.org>
0005 
0006 This program is free software; you can redistribute it and/or
0007 modify it under the terms of the GNU General Public License
0008 as published by the Free Software Foundation; either version 2
0009 of the License, or (at your option) any later version.
0010 
0011 This program is distributed in the hope that it will be useful,
0012 but WITHOUT ANY WARRANTY; without even the implied warranty of
0013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014 GNU General Public License for more details.
0015 
0016 You should have received a copy of the GNU General Public License
0017 along with this program; if not, write to the Free Software
0018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
0019 
0020 */
0021 // Self
0022 #include "documentinfoprovider.h"
0023 
0024 // Qt
0025 #include <QPixmap>
0026 
0027 // KF
0028 
0029 // Local
0030 #include <lib/document/documentfactory.h>
0031 #include <lib/semanticinfo/sorteddirmodel.h>
0032 
0033 namespace Gwenview
0034 {
0035 DocumentInfoProvider::DocumentInfoProvider(SortedDirModel *model)
0036     : AbstractDocumentInfoProvider(model)
0037     , mDirModel(model)
0038 {
0039     connect(DocumentFactory::instance(), &DocumentFactory::documentBusyStateChanged, this, &AbstractDocumentInfoProvider::busyStateChanged);
0040     connect(DocumentFactory::instance(), &DocumentFactory::documentChanged, this, &AbstractDocumentInfoProvider::documentChanged);
0041 }
0042 
0043 void DocumentInfoProvider::thumbnailForDocument(const QUrl &url, ThumbnailGroup::Enum group, QPixmap *outPix, QSize *outFullSize) const
0044 {
0045     Q_ASSERT(outPix);
0046     Q_ASSERT(outFullSize);
0047     *outPix = QPixmap();
0048     *outFullSize = QSize();
0049     const int pixelSize = ThumbnailGroup::pixelSize(group);
0050 
0051     Document::Ptr doc = DocumentFactory::instance()->getCachedDocument(url);
0052     if (!doc) {
0053         return;
0054     }
0055 
0056     if (doc->loadingState() != Document::Loaded) {
0057         return;
0058     }
0059 
0060     QImage image = doc->image();
0061     if (image.width() > pixelSize || image.height() > pixelSize) {
0062         image = image.scaled(pixelSize, pixelSize, Qt::KeepAspectRatio);
0063     }
0064     *outPix = QPixmap::fromImage(image);
0065     *outFullSize = doc->size();
0066 }
0067 
0068 bool DocumentInfoProvider::isModified(const QUrl &url)
0069 {
0070     Document::Ptr doc = DocumentFactory::instance()->getCachedDocument(url);
0071     if (doc) {
0072         return doc->loadingState() == Document::Loaded && doc->isModified();
0073     } else {
0074         return false;
0075     }
0076 }
0077 
0078 bool DocumentInfoProvider::isBusy(const QUrl &url)
0079 {
0080     Document::Ptr doc = DocumentFactory::instance()->getCachedDocument(url);
0081     if (doc) {
0082         return doc->isBusy();
0083     } else {
0084         return false;
0085     }
0086 }
0087 
0088 } // namespace
0089 
0090 #include "moc_documentinfoprovider.cpp"