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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/* This file is part of the KDE libraries
Copyright (C) 2002 Simon MacMullen
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <qdict.h>
#include <qpixmap.h>
#include <qpainter.h>
#include <qbitmap.h>
#include <qimage.h>
#include <kfileivi.h>
#include <kfileitem.h>
#include <kapplication.h>
#include <kdirlister.h>
#include <kstandarddirs.h>
#include <kiconloader.h>
#include <konq_settings.h>
#include <klocale.h>
#include <kdebug.h>
#include "kivdirectoryoverlay.h"
KIVDirectoryOverlay::KIVDirectoryOverlay(KFileIVI* directory)
: m_lister(0), m_foundItems(false),
m_containsFolder(false), m_popularIcons(0)
{
if (!m_lister)
{
m_lister = new KDirLister;
m_lister->setAutoErrorHandlingEnabled(false, 0);
connect(m_lister, SIGNAL(completed()), SLOT(slotCompleted()));
connect(m_lister, SIGNAL(newItems( const KFileItemList& )), SLOT(slotNewItems( const KFileItemList& )));
m_lister->setShowingDotFiles(false);
}
m_directory = directory;
}
KIVDirectoryOverlay::~KIVDirectoryOverlay()
{
if (m_lister) m_lister->stop();
delete m_lister;
delete m_popularIcons;
}
void KIVDirectoryOverlay::start()
{
if ( m_directory->item()->isReadable() ) {
m_popularIcons = new QDict<int>;
m_popularIcons->setAutoDelete(true);
m_lister->openURL(m_directory->item()->url());
} else {
emit finished();
}
}
void KIVDirectoryOverlay::timerEvent(QTimerEvent *)
{
m_lister->stop();
}
void KIVDirectoryOverlay::slotCompleted()
{
if (!m_popularIcons) return;
// Look through the histogram for the most popular mimetype
QDictIterator<int> currentIcon( (*m_popularIcons) );
unsigned int best = 0;
unsigned int total = 0;
for ( ; currentIcon.current(); ++currentIcon ) {
unsigned int currentCount = (*currentIcon.current());
total += currentCount;
if ( best < currentCount ) {
best = currentCount;
m_bestIcon = currentIcon.currentKey();
}
}
// Only show folder if there's no other candidate. Most folders contain
// folders. We know this.
if ( m_bestIcon.isNull() && m_containsFolder ) {
m_bestIcon = "folder";
}
if ( best * 2 < total ) {
m_bestIcon = "kmultiple";
}
if (!m_bestIcon.isNull()) {
m_directory->setOverlay(m_bestIcon);
}
delete m_popularIcons;
m_popularIcons = 0;
emit finished();
}
void KIVDirectoryOverlay::slotNewItems( const KFileItemList& items )
{
if ( !m_popularIcons) return;
KFileItemListIterator files( items );
KFileItem* file;
for ( ; (file = files.current()) != 0; ++files ) {
if ( file -> isFile() ) {
QString iconName = file -> iconName();
if (!iconName) continue;
int* iconCount = m_popularIcons -> find( file -> iconName() );
if (!iconCount) {
iconCount = new int(0);
Q_ASSERT(file);
m_popularIcons -> insert(file -> iconName(), iconCount);
}
(*iconCount)++;
} else if ( file -> isDir() ) {
m_containsFolder = true;
}
}
m_foundItems = true;
}
#include "kivdirectoryoverlay.moc"
|
