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  • Committer: Bazaar Package Importer
  • Author(s): Jan Niehusmann
  • Date: 2008-04-14 18:57:30 UTC
  • mfrom: (2.1.9 hardy)
  • Revision ID: james.westby@ubuntu.com-20080414185730-528re3zp0m2hdlhi
Tags: 0.11-8
http://bugs.debian.org/476122
* added CONFIG -= link_prl to .pro files and removed dependencies
  which are made unnecessary by this change
* Fix segfault when closing last chat tab with qt4.4
  (This is from upstream svn, rev. 1101) (Closes: Bug#476122)

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src/capsregistry.cpp
 
1
/*
 
2
 * capsregistry.cpp
 
3
 * Copyright (C) 2006  Remko Troncon
 
4
 *
 
5
 * This program is free software; you can redistribute it and/or
 
6
 * modify it under the terms of the GNU General Public License
 
7
 * as published by the Free Software Foundation; either version 2
 
8
 * of the License, or (at your option) any later version.
 
9
 *
 
10
 * This program is distributed in the hope that it will be useful,
 
11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
13
 * GNU General Public License for more details.
 
14
 *
 
15
 * You should have received a copy of the GNU General Public License
 
16
 * along with this library; if not, write to the Free Software
 
17
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
18
 *
 
19
 */
 
20
 
 
21
#include <QApplication>
 
22
#include <QDebug>
 
23
#include <QTextCodec>
 
24
#include <QFile>
 
25
#include <QDomElement>
 
26
 
 
27
#include "xmpp_features.h"
 
28
#include "capsregistry.h"
 
29
 
 
30
using namespace XMPP;
 
31
 
 
32
// -----------------------------------------------------------------------------
 
33
 
 
34
CapsRegistry::CapsInfo::CapsInfo()
 
35
{
 
36
        updateLastSeen();
 
37
}
 
38
 
 
39
const XMPP::Features& CapsRegistry::CapsInfo::features() const
 
40
{
 
41
        return features_;
 
42
}
 
43
 
 
44
const DiscoItem::Identities& CapsRegistry::CapsInfo::identities() const
 
45
{
 
46
        return identities_;
 
47
}
 
48
 
 
49
void CapsRegistry::CapsInfo::setIdentities(const DiscoItem::Identities& i)
 
50
{
 
51
        identities_ = i;
 
52
}
 
53
 
 
54
void CapsRegistry::CapsInfo::setFeatures(const XMPP::Features& f)
 
55
{
 
56
        features_ = f;
 
57
}
 
58
        
 
59
void CapsRegistry::CapsInfo::updateLastSeen()
 
60
{
 
61
        lastSeen_ = QDateTime::currentDateTime();
 
62
}
 
63
 
 
64
QDomElement CapsRegistry::CapsInfo::toXml(QDomDocument *doc) const
 
65
{
 
66
        QDomElement info = doc->createElement("info");
 
67
        info.setAttribute("last-seen",lastSeen_.toString(Qt::ISODate));
 
68
 
 
69
        // Identities
 
70
        for (DiscoItem::Identities::ConstIterator i = identities_.begin(); i != identities_.end(); ++i) {
 
71
                QDomElement identity = doc->createElement("identity");
 
72
                identity.setAttribute("category",(*i).category);
 
73
                identity.setAttribute("name",(*i).name);
 
74
                identity.setAttribute("type",(*i).type);
 
75
                info.appendChild(identity);
 
76
        }
 
77
 
 
78
        // Features
 
79
        foreach(QString f, features_.list()) {
 
80
                QDomElement feature = doc->createElement("feature");
 
81
                feature.setAttribute("node",f);
 
82
                info.appendChild(feature);
 
83
        }
 
84
 
 
85
        return info;
 
86
}
 
87
 
 
88
void CapsRegistry::CapsInfo::fromXml(const QDomElement& e)
 
89
{
 
90
        if (e.tagName() != "info") {
 
91
                qWarning("caps.cpp: Invalid info element");
 
92
                return;
 
93
        }
 
94
        
 
95
        if (!e.attribute("last-seen").isEmpty()) {
 
96
                QDateTime last = QDateTime::fromString(e.attribute("last-seen"),Qt::ISODate);
 
97
                if (last.isValid())
 
98
                        lastSeen_ = last;
 
99
                else
 
100
                        qWarning("Invalid date in caps registry");
 
101
        }
 
102
 
 
103
        for(QDomNode n = e.firstChild(); !n.isNull(); n = n.nextSibling()) {
 
104
                QDomElement i = n.toElement();
 
105
                if(i.isNull()) {
 
106
                        qWarning("caps.cpp: Null element");
 
107
                        continue;
 
108
                }
 
109
 
 
110
                if(i.tagName() == "identity") {
 
111
                        DiscoItem::Identity id;
 
112
                        id.category = i.attribute("category");
 
113
                        id.name = i.attribute("name");
 
114
                        id.type = i.attribute("type");
 
115
                        identities_ += id;
 
116
                }
 
117
                else if (i.tagName() == "feature") {
 
118
                        features_.addFeature(i.attribute("node"));
 
119
                }
 
120
                else {
 
121
                        qWarning("caps.cpp: Unknown element");
 
122
                }
 
123
        }
 
124
}
 
125
 
 
126
// -----------------------------------------------------------------------------
 
127
/**
 
128
 * \class CapsRegistry
 
129
 * \brief A singleton class managing the capabilities of clients.
 
130
 */
 
131
 
 
132
/**
 
133
 * \brief Default constructor.
 
134
 */
 
135
CapsRegistry::CapsRegistry() : QObject(qApp)
 
136
{
 
137
        connect(QCoreApplication::instance(),SIGNAL(aboutToQuit()),SLOT(save()));
 
138
}
 
139
 
 
140
/**
 
141
 * \brief Destructor. Saves data before exiting.
 
142
 */
 
143
CapsRegistry::~CapsRegistry()
 
144
{
 
145
        save();
 
146
}
 
147
 
 
148
 
 
149
/**
 
150
 * \brief Convert all capabilities info to XML.
 
151
 */
 
152
void CapsRegistry::save()
 
153
{
 
154
        //qDebug() << QString("Saving caps to '%1'").arg(fileName_);
 
155
        
 
156
        if (fileName_.isEmpty())
 
157
                return;
 
158
 
 
159
        // Generate XML
 
160
        QDomDocument doc;
 
161
        QDomElement capabilities = doc.createElement("capabilities");
 
162
        doc.appendChild(capabilities);
 
163
        QMap<CapsSpec,CapsInfo>::ConstIterator i = capsInfo_.begin();
 
164
        for( ; i != capsInfo_.end(); i++) {
 
165
                QDomElement info = i.value().toXml(&doc);
 
166
                info.setAttribute("node",i.key().node());
 
167
                info.setAttribute("ver",i.key().version());
 
168
                info.setAttribute("ext",i.key().extensions());
 
169
                capabilities.appendChild(info);
 
170
        }
 
171
 
 
172
        // Save
 
173
        QFile f(fileName_);
 
174
        if(!f.open(QIODevice::WriteOnly)) {
 
175
                qWarning("caps.cpp: Unable to open caps file");
 
176
                return;
 
177
        }
 
178
        QTextStream t;
 
179
        t.setDevice(&f);
 
180
        t.setCodec(QTextCodec::codecForName("UTF-8"));
 
181
        t << doc.toString();
 
182
        f.close();
 
183
}
 
184
 
 
185
/**
 
186
 * \brief Sets the file to save the capabilities info to
 
187
 */
 
188
void CapsRegistry::setFile(const QString& fileName)
 
189
{
 
190
        fileName_ = fileName;
 
191
        
 
192
        // Load settings
 
193
        //qDebug() << "Loading " << fileName;
 
194
        QDomDocument doc;
 
195
        QFile f(fileName_);
 
196
        if (!f.open(QIODevice::ReadOnly))
 
197
                return;
 
198
        if (!doc.setContent(&f))
 
199
                return;
 
200
        f.close();
 
201
 
 
202
        QDomElement caps = doc.documentElement();
 
203
        if (caps.tagName() != "capabilities") {
 
204
                qWarning("caps.cpp: Invalid capabilities element");
 
205
                return;
 
206
        }
 
207
                
 
208
        for(QDomNode n = caps.firstChild(); !n.isNull(); n = n.nextSibling()) {
 
209
                QDomElement i = n.toElement();
 
210
                if(i.isNull()) {
 
211
                        qWarning("capsregistry.cpp: Null element");
 
212
                        continue;
 
213
                }
 
214
 
 
215
                if(i.tagName() == "info") {
 
216
                        CapsInfo info;
 
217
                        info.fromXml(i);
 
218
                        CapsSpec spec(i.attribute("node"),i.attribute("ver"),i.attribute("ext"));
 
219
                        capsInfo_[spec] = info;
 
220
                        //qDebug() << QString("Read %1 %2 %3").arg(spec.node()).arg(spec.version()).arg(spec.extensions());
 
221
                }
 
222
                else {
 
223
                        qWarning("capsregistry.cpp: Unknown element");
 
224
                }
 
225
        }
 
226
}
 
227
 
 
228
/**
 
229
 * \brief Registers capabilities of a client.
 
230
 */
 
231
void CapsRegistry::registerCaps(const CapsSpec& spec,const XMPP::DiscoItem::Identities& identities,const XMPP::Features& features)
 
232
{
 
233
        if (!isRegistered(spec)) {
 
234
                CapsInfo info;
 
235
                info.setIdentities(identities);
 
236
                info.setFeatures(features);
 
237
                capsInfo_[spec] = info;
 
238
                save();
 
239
                emit registered(spec);
 
240
        }
 
241
}
 
242
 
 
243
/**
 
244
 * \brief Checks if capabilities have been registered.
 
245
 */
 
246
bool CapsRegistry::isRegistered(const CapsSpec& spec) const
 
247
{
 
248
        return capsInfo_.contains(spec);
 
249
}
 
250
 
 
251
 
 
252
/**
 
253
 * \brief Retrieves the features of a given caps spec.
 
254
 */
 
255
XMPP::Features CapsRegistry::features(const CapsSpec& spec) const
 
256
{
 
257
        return capsInfo_[spec].features();
 
258
}
 
259
 
 
260
/**
 
261
 * \brief Retrieves the identities of a given caps spec.
 
262
 */
 
263
XMPP::DiscoItem::Identities CapsRegistry::identities(const CapsSpec& spec) const
 
264
{
 
265
        return capsInfo_[spec].identities();
 
266
}
 
267
 
 
268
/**
 
269
 * \brief Retrieves the instance of the CapsRegistry.
 
270
 * If no instance existed, a new one is created.
 
271
 */
 
272
CapsRegistry* CapsRegistry::instance()
 
273
{
 
274
        if (!instance_) {
 
275
                instance_ = new CapsRegistry();
 
276
        }
 
277
        return instance_;
 
278
}
 
279
 
 
280
/**
 
281
 * \brief The instance of the CapsRegistry.
 
282
 */
 
283
CapsRegistry* CapsRegistry::instance_ = NULL;
 
284