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
|
/*
This file is part of Akregator.
Copyright (C) 2004 Sashmit Bhaduri <[email protected]>
2005 Frank Osterfeld <[email protected]>
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.
As a special exception, permission is given to link this program
with any edition of TQt, and distribute the resulting executable,
without including the source code for TQt in the source distribution.
*/
#include "feed.h"
#include "feediconmanager.h"
#include <dcopclient.h>
#include <tdeapplication.h>
#include <kdebug.h>
#include <kstandarddirs.h>
#include <kstaticdeleter.h>
#include <kurl.h>
#include <tqdict.h>
#include <tqpixmap.h>
#include <tqvaluelist.h>
namespace Akregator {
class FeedIconManager::FeedIconManagerPrivate
{
public:
TQValueList<Feed*> registeredFeeds;
TQDict<Feed> urlDict;
};
FeedIconManager *FeedIconManager::m_instance = 0;
static KStaticDeleter<FeedIconManager> feediconmanagersd;
FeedIconManager* FeedIconManager::self()
{
if (!m_instance)
m_instance = feediconmanagersd.setObject(m_instance, new FeedIconManager);
return m_instance;
}
void FeedIconManager::fetchIcon(Feed* feed)
{
if (!d->registeredFeeds.contains(feed))
{
d->registeredFeeds.append(feed);
connect(feed, TQT_SIGNAL(signalDestroyed(TreeNode*)), this, TQT_SLOT(slotFeedDestroyed(TreeNode*)));
}
TQString iconURL = getIconURL(KURL(feed->xmlUrl()));
d->urlDict.insert(iconURL, feed);
loadIcon(iconURL);
}
FeedIconManager::FeedIconManager(TQObject * parent, const char *name)
: TQObject(parent, name), DCOPObject("FeedIconManager"), d(new FeedIconManagerPrivate)
{
connectDCOPSignal("kded",
"favicons", "iconChanged(bool, TQString, TQString)",
"slotIconChanged(bool, TQString, TQString)", false);
}
FeedIconManager::~FeedIconManager()
{
delete d;
d = 0;
}
void FeedIconManager::loadIcon(const TQString & url)
{
KURL u(url);
TQString iconFile = iconLocation(u);
if (iconFile.isNull())
{
TQByteArray data;
TQDataStream ds(data, IO_WriteOnly);
ds << u;
kapp->dcopClient()->send("kded", "favicons", "downloadHostIcon(KURL)",
data);
}
else
slotIconChanged(false, url, iconFile);
}
TQString FeedIconManager::getIconURL(const KURL& url)
{
return "http://" +url.host() + "/";
}
TQString FeedIconManager::iconLocation(const KURL & url) const
{
TQByteArray data, reply;
TQCString replyType;
TQDataStream ds(data, IO_WriteOnly);
ds << url;
kapp->dcopClient()->call("kded", "favicons", "iconForURL(KURL)", data,
replyType, reply);
if (replyType == TQSTRING_OBJECT_NAME_STRING) {
TQDataStream replyStream(reply, IO_ReadOnly);
TQString result;
replyStream >> result;
return result;
}
return TQString();
}
void FeedIconManager::slotFeedDestroyed(TreeNode* node)
{
Feed* feed = dynamic_cast<Feed*>(node);
if (feed)
while (d->registeredFeeds.contains(feed))
d->registeredFeeds.remove(d->registeredFeeds.find(feed));
}
void FeedIconManager::slotIconChanged(bool /*isHost*/, const TQString& hostOrURL,
const TQString& iconName)
{
TQString iconFile = TDEGlobal::dirs()->findResource("cache",
iconName+".png");
Feed* f;
TQPixmap p = TQPixmap(iconFile);
if (!p.isNull()) // we don't set null pixmaps, as feed checks pixmap.isNull() to find out whether the icon was already loaded or not. It would request the icon another time, resulting an infinite loop (until stack overflow that is
{
while (( f = d->urlDict.take(hostOrURL) ))
if (d->registeredFeeds.contains(f))
f->setFavicon(p);
}
emit signalIconChanged(hostOrURL, iconFile);
}
} // namespace Akregator
#include "feediconmanager.moc"
|
