1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
// vim: set tabstop=4 shiftwidth=4 expandtab:
/*
Gwenview: an image viewer
Copyright 2010 Aurélien Gâteau <agateau@kde.org>
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, Cambridge, MA 02110-1301, USA.
*/
// Self
#include "documentinfoprovider.moc"
// Qt
#include <QPixmap>
// KDE
// Local
#include <lib/document/documentfactory.h>
#include <lib/semanticinfo/sorteddirmodel.h>
namespace Gwenview
{
struct DocumentInfoProviderPrivate
{
SortedDirModel* mDirModel;
};
DocumentInfoProvider::DocumentInfoProvider(SortedDirModel* model)
: AbstractDocumentInfoProvider(model)
, d(new DocumentInfoProviderPrivate)
{
d->mDirModel = model;
connect(DocumentFactory::instance(), SIGNAL(documentBusyStateChanged(KUrl,bool)),
SLOT(emitBusyStateChanged(KUrl,bool)));
connect(DocumentFactory::instance(), SIGNAL(documentChanged(KUrl)),
SLOT(emitDocumentChanged(KUrl)));
}
DocumentInfoProvider::~DocumentInfoProvider()
{
delete d;
}
void DocumentInfoProvider::thumbnailForDocument(const KUrl& url, ThumbnailGroup::Enum group, QPixmap* outPix, QSize* outFullSize) const
{
Q_ASSERT(outPix);
Q_ASSERT(outFullSize);
*outPix = QPixmap();
*outFullSize = QSize();
const int pixelSize = ThumbnailGroup::pixelSize(group);
Document::Ptr doc = DocumentFactory::instance()->getCachedDocument(url);
if (!doc) {
return;
}
if (doc->loadingState() != Document::Loaded) {
return;
}
QImage image = doc->image();
if (image.width() > pixelSize || image.height() > pixelSize) {
image = image.scaled(pixelSize, pixelSize, Qt::KeepAspectRatio);
}
*outPix = QPixmap::fromImage(image);
*outFullSize = doc->size();
}
bool DocumentInfoProvider::isModified(const KUrl& url)
{
Document::Ptr doc = DocumentFactory::instance()->getCachedDocument(url);
if (doc) {
return doc->loadingState() == Document::Loaded && doc->isModified();
} else {
return false;
}
}
bool DocumentInfoProvider::isBusy(const KUrl& url)
{
Document::Ptr doc = DocumentFactory::instance()->getCachedDocument(url);
if (doc) {
return doc->isBusy();
} else {
return false;
}
}
void DocumentInfoProvider::emitBusyStateChanged(const KUrl& url, bool busy)
{
QModelIndex index = d->mDirModel->indexForUrl(url);
if (!index.isValid()) {
return;
}
busyStateChanged(index, busy);
}
void DocumentInfoProvider::emitDocumentChanged(const KUrl& url)
{
QModelIndex index = d->mDirModel->indexForUrl(url);
if (!index.isValid()) {
return;
}
documentChanged(index);
}
} // namespace
|