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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* newsiconmgr.cpp
*
* Copyright (c) 2001 Frerich Raabe <[email protected]>
*
* 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. For licensing and distribution details, check the
* accompanying file 'COPYING'.
*/
#include "newsiconmgr.h"
#include <dcopclient.h>
#include <kapplication.h>
#include <kiconloader.h>
#include <kstandarddirs.h>
#include <qbuffer.h>
#include <qfile.h>
#include <qimage.h>
struct KIODownload
{
KURL url;
QByteArray data;
QIODevice::Offset dataOffset;
};
NewsIconMgr *NewsIconMgr::m_instance = 0;
NewsIconMgr *NewsIconMgr::self()
{
if (!m_instance)
m_instance = new NewsIconMgr();
return m_instance;
}
NewsIconMgr::NewsIconMgr(QObject *parent, const char *name)
: QObject(parent, name), DCOPObject("NewsIconMgr"),
m_stdIcon(SmallIcon(QString::fromLatin1("news")))
{
connectDCOPSignal("kded",
"favicons", "iconChanged(bool, QString, QString)",
"slotGotIcon(bool, QString, QString)",
false);
}
NewsIconMgr::~NewsIconMgr()
{
delete m_instance;
}
void NewsIconMgr::getIcon(const KURL &url)
{
if (url.isEmpty()) {
emit gotIcon(url, m_stdIcon);
return;
}
if (url.isLocalFile()) {
if (QFile::exists(url.encodedPathAndQuery())) {
QPixmap icon(url.encodedPathAndQuery());
if (!icon.isNull()) {
if (icon.size() != QSize(16, 16)) {
if (!icon.convertFromImage(icon.convertToImage().smoothScale(16, 16, QImage::ScaleMin))) {
emit gotIcon(url, m_stdIcon);
return;
}
}
emit gotIcon(url, icon);
return;
}
}
emit gotIcon(url, m_stdIcon);
return;
}
if (url.encodedPathAndQuery() == "/favicon.ico") {
if (favicon(url).isNull()) {
QByteArray data;
QDataStream ds(data, IO_WriteOnly);
ds << url;
kapp->dcopClient()->send("kded", "favicons", "downloadHostIcon(KURL)", data);
} else {
emit gotIcon(url, QPixmap(KGlobal::dirs()->findResource("cache",
QString::fromLatin1("favicons/%1.png").arg(url.host()))));
}
} else {
KIO::Job *job = KIO::get(url, true, false);
connect(job, SIGNAL(data(KIO::Job *, const QByteArray &)),
SLOT(slotData(KIO::Job *, const QByteArray &)));
connect(job, SIGNAL(result(KIO::Job *)), SLOT(slotResult(KIO::Job *)));
KIODownload download;
download.url = url;
download.dataOffset = 0;
m_kioDownload.insert(job, download);
}
}
bool NewsIconMgr::isStdIcon(const QPixmap &pixmap) const
{
if (!pixmap.isNull())
return pixmap.convertToImage() == m_stdIcon.convertToImage();
else
return false;
}
void NewsIconMgr::slotData(KIO::Job *job, const QByteArray &data)
{
QBuffer buf(m_kioDownload[job].data);
buf.open(IO_WriteOnly);
buf.at(m_kioDownload[job].dataOffset);
buf.writeBlock(data);
m_kioDownload[job].dataOffset = buf.at();
}
void NewsIconMgr::slotResult(KIO::Job *job)
{
emit gotIcon(m_kioDownload[job].url, QPixmap(m_kioDownload[job].data));
m_kioDownload.remove(job);
}
void NewsIconMgr::slotGotIcon(bool isHost, QString hostOrURL, QString iconName)
{
KURL url = KURL(hostOrURL);
if (!isHost)
url.setProtocol(QString::fromLatin1("http"));
if (iconName.isNull())
emit gotIcon(url, m_stdIcon);
else
emit gotIcon(url, QPixmap(KGlobal::dirs()->findResource("cache",
QString::fromLatin1("favicons/%1.png").arg(url.host()))));
}
QString NewsIconMgr::favicon(const KURL &url) const
{
QByteArray data, reply;
QCString replyType;
QDataStream ds(data, IO_WriteOnly);
ds << url;
kapp->dcopClient()->call("kded", "favicons", "iconForURL(KURL)", data, replyType, reply);
if (replyType == "QString") {
QDataStream replyStream(reply, IO_ReadOnly);
QString result;
replyStream >> result;
return result;
}
return QString::null;
}
#include "newsiconmgr.moc"
|
