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providerloader.cpp
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1/*
2 This file is part of KNewStuff2.
3 Copyright (c) 2002 Cornelius Schumacher <schumacher@kde.org>
4 Copyright (c) 2003 - 2007 Josef Spillner <spillner@kde.org>
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with this library. If not, see <http://www.gnu.org/licenses/>.
18*/
19
20#include "providerloader.h"
21
22#include "providerhandler.h"
23
24#include <QtCore/QByteArray>
25
26#include <kconfig.h>
27#include <kdebug.h>
28#include <kio/job.h>
29#include <klocale.h>
30
31using namespace KNS;
32
33ProviderLoader::ProviderLoader(QObject* parent)
34 : QObject(parent)
35{
36}
37
38void ProviderLoader::load(const QString &providersurl)
39{
40 //kDebug(550) << "ProviderLoader::load()";
41
42 m_providers.clear();
43 m_jobdata.clear();
44
45 //kDebug(550) << "ProviderLoader::load(): providersUrl: " << providersurl;
46
47 KIO::TransferJob *job = KIO::get(KUrl(providersurl), KIO::NoReload, KIO::HideProgressInfo);
48 connect(job, SIGNAL(result(KJob*)),
49 SLOT(slotJobResult(KJob*)));
50 connect(job, SIGNAL(data(KIO::Job*,QByteArray)),
51 SLOT(slotJobData(KIO::Job*,QByteArray)));
52}
53
54void ProviderLoader::slotJobData(KIO::Job *, const QByteArray &data)
55{
56 //kDebug(550) << "ProviderLoader::slotJobData()";
57
58 m_jobdata.append(data);
59}
60
61void ProviderLoader::slotJobResult(KJob *job)
62{
63 if (job->error()) {
64 emit signalProvidersFailed();
65 return;
66 }
67
68 //kDebug(550) << "--PROVIDERS-START--";
69 //kDebug(550) << QString::fromUtf8(m_jobdata);
70 //kDebug(550) << "--PROVIDERS-END--";
71
72 QDomDocument doc;
73 if (!doc.setContent(m_jobdata)) {
74 emit signalProvidersFailed();
75 return;
76 }
77
78 QDomElement providers = doc.documentElement();
79
80 if (providers.tagName() != "ghnsproviders" &&
81 providers.tagName() != "knewstuffproviders") {
82 kWarning(550) << "No document in providers.xml.";
83 emit signalProvidersFailed();
84 return;
85 }
86
87 QDomNode n;
88 for (n = providers.firstChild(); !n.isNull(); n = n.nextSibling()) {
89 QDomElement p = n.toElement();
90
91 if (p.tagName() == "provider") {
92 ProviderHandler handler(p);
93 m_providers.append(handler.providerptr());
94 }
95 }
96
97 emit signalProvidersLoaded(m_providers);
98}
99
100#include "providerloader.moc"
KIO::Job
KIO::TransferJob
KJob
KJob::error
int error() const
KNS::ProviderHandler
Parser and dumper for KNewStuff providers.
Definition: providerhandler.h:48
KNS::ProviderHandler::providerptr
Provider * providerptr()
Definition: providerhandler.cpp:57
KNS::ProviderLoader::signalProvidersFailed
void signalProvidersFailed()
KNS::ProviderLoader::signalProvidersLoaded
void signalProvidersLoaded(KNS::Provider::List)
Indicates that the list of providers has been successfully loaded.
KNS::ProviderLoader::slotJobData
void slotJobData(KIO::Job *, const QByteArray &)
Definition: providerloader.cpp:54
KNS::ProviderLoader::slotJobResult
void slotJobResult(KJob *)
Definition: providerloader.cpp:61
KNS::ProviderLoader::ProviderLoader
ProviderLoader(QObject *parent)
Constructor.
Definition: providerloader.cpp:33
KNS::ProviderLoader::load
void load(const QString &providersurl)
Starts asynchronously loading the list of providers from the specified URL.
Definition: providerloader.cpp:38
KUrl
QObject
kWarning
#define kWarning
job.h
kconfig.h
kdebug.h
klocale.h
KIO::get
TransferJob * get(const KUrl &url, LoadType reload=NoReload, JobFlags flags=DefaultFlags)
KIO::NoReload
NoReload
KIO::HideProgressInfo
HideProgressInfo
KNS
Definition: knewstuff2/core/author.h:27
providerhandler.h
providerloader.h
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