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// vim: set tabstop=4 shiftwidth=4 noexpandtab
/*
Gwenview - A simple image viewer for KDE
Copyright 2000-2004 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.
*/
#include "documentloadingimpl.moc"
// Qt
// KDE
#include <kmimetype.h>
// Local
#include "imageloader.h"
#include "documentotherloadedimpl.h"
#include "documentanimatedloadedimpl.h"
#include "documentloadedimpl.h"
#include "documentjpegloadedimpl.h"
#include "mimetypeutils.h"
namespace Gwenview {
#undef ENABLE_LOG
#undef LOG
//#define ENABLE_LOG
#ifdef ENABLE_LOG
#define LOG(x) kdDebug() << k_funcinfo << x << endl
#else
#define LOG(x) ;
#endif
//---------------------------------------------------------------------
//
// DocumentLoadingImplPrivate
//
//---------------------------------------------------------------------
class DocumentLoadingImplPrivate {
public:
DocumentLoadingImplPrivate()
: mLoader( NULL )
{}
ImageLoader* mLoader;
};
//---------------------------------------------------------------------
//
// DocumentLoadingImpl
//
//---------------------------------------------------------------------
DocumentLoadingImpl::DocumentLoadingImpl(Document* document)
: DocumentImpl(document) {
LOG("");
d=new DocumentLoadingImplPrivate;
}
DocumentLoadingImpl::~DocumentLoadingImpl() {
LOG("");
delete d;
}
void DocumentLoadingImpl::init() {
LOG("");
d->mLoader = ImageLoader::loader( mDocument->url(), this, BUSY_LOADING );
if (d->mLoader->urlKind()==MimeTypeUtils::KIND_FILE) {
LOG("urlKind already determined");
switchToImpl(new DocumentOtherLoadedImpl(mDocument));
return;
}
connect( d->mLoader, SIGNAL( urlKindDetermined()), SLOT( slotURLKindDetermined() ));
connect( d->mLoader, SIGNAL( sizeLoaded( int, int )), SLOT( sizeLoaded( int, int )));
connect( d->mLoader, SIGNAL( imageChanged( const QRect& )), SLOT( imageChanged( const QRect& )));
connect( d->mLoader, SIGNAL( imageLoaded( bool )), SLOT( imageLoaded( bool )));
// it's possible the loader already has the whole or at least part of the image loaded
QImage image = d->mLoader->processedImage();
if (!image.isNull()) {
if( d->mLoader->frames().count() > 0 ) {
setImage( d->mLoader->frames().first().image);
emitImageRectUpdated();
} else {
setImage(image);
QMemArray< QRect > rects = d->mLoader->loadedRegion().rects();
for( unsigned int i = 0; i < rects.count(); ++i ) {
emit rectUpdated(rects[i]);
}
}
}
if( d->mLoader->completed()) imageLoaded( d->mLoader->frames().count() != 0 );
// 'this' may be deleted here
}
void DocumentLoadingImpl::slotURLKindDetermined() {
LOG("");
if (d->mLoader->urlKind()==MimeTypeUtils::KIND_FILE) {
switchToImpl(new DocumentOtherLoadedImpl(mDocument));
}
}
void DocumentLoadingImpl::imageLoaded( bool ok ) {
LOG("");
QCString format = d->mLoader->imageFormat();
if ( !ok || format.isEmpty()) {
// Unknown format, no need to go further
emit finished(false);
switchToImpl(new DocumentEmptyImpl(mDocument));
return;
}
setImageFormat( format );
setMimeType(d->mLoader->mimeType());
// Update file info
setFileSize(d->mLoader->rawData().size());
// Now we switch to a loaded implementation
if ( d->mLoader->frames().count() > 1 ) {
switchToImpl( new DocumentAnimatedLoadedImpl(mDocument, d->mLoader->frames()));
} else if ( format == "JPEG" ) {
switchToImpl( new DocumentJPEGLoadedImpl(mDocument, d->mLoader->rawData()) );
} else {
switchToImpl(new DocumentLoadedImpl(mDocument));
}
}
void DocumentLoadingImpl::imageChanged(const QRect& rect) {
LOG(rect);
setImage(d->mLoader->processedImage());
emit rectUpdated(rect);
}
void DocumentLoadingImpl::sizeLoaded(int width, int height) {
LOG(width << "x" << height);
// Silence compiler
width=width;
height=height;
setImage(d->mLoader->processedImage());
emit sizeUpdated();
}
} // namespace
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