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downloader.cpp
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1/*
2 Copyright (c) 2003 Malte Starostik <malte@kde.org>
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
18*/
19
20#include "downloader.h"
21
22#include <cstdlib>
23#include <cstring>
24
25#include <QtCore/QTextCodec>
26
27#include <kcharsets.h>
28#include <kglobal.h>
29#include <klocale.h>
30#include <kio/job.h>
31
32namespace KPAC
33{
34 Downloader::Downloader( QObject* parent )
35 : QObject( parent )
36 {
37 }
38
39 void Downloader::download( const KUrl& url )
40 {
41 m_data.resize( 0 );
42 m_script.clear();
43 m_scriptURL = url;
44
45 KIO::TransferJob* job = KIO::get( url, KIO::NoReload, KIO::HideProgressInfo );
46 connect( job, SIGNAL(data(KIO::Job*,QByteArray)),
47 SLOT(data(KIO::Job*,QByteArray)) );
48 connect( job, SIGNAL (redirection(KIO::Job*,KUrl)),
49 SLOT(redirection(KIO::Job*,KUrl)) );
50 connect( job, SIGNAL(result(KJob*)), SLOT(result(KJob*)) );
51 }
52
53 void Downloader::failed()
54 {
55 emit result( false );
56 }
57
58 void Downloader::setError( const QString& error )
59 {
60 m_error = error;
61 }
62
63 void Downloader::redirection( KIO::Job* , const KUrl& url )
64 {
65 m_scriptURL = url;
66 }
67
68 void Downloader::data( KIO::Job*, const QByteArray& data )
69 {
70 unsigned offset = m_data.size();
71 m_data.resize( offset + data.size() );
72 std::memcpy( m_data.data() + offset, data.data(), data.size() );
73 }
74
75 static bool hasErrorPage(KJob* job)
76 {
77 KIO::TransferJob* tJob = qobject_cast<KIO::TransferJob*>(job);
78 return (tJob && tJob->isErrorPage());
79 }
80
81 void Downloader::result( KJob* job )
82 {
83 if ( !job->error() && !hasErrorPage(job) )
84 {
85 bool dummy;
86 m_script = KGlobal::charsets()->codecForName(
87 static_cast<KIO::Job*>( job )->queryMetaData( "charset" ), dummy )->toUnicode( m_data );
88 emit result( true );
89 }
90 else
91 {
92 if ( job->error() )
93 setError( i18n( "Could not download the proxy configuration script:\n%1" ,
94 job->errorString() ) );
95 else setError( i18n( "Could not download the proxy configuration script" ) ); // error page
96 failed();
97 }
98 }
99}
100
101// vim: ts=4 sw=4 et
102#include "downloader.moc"
103
KCharsets::codecForName
QTextCodec * codecForName(const QString &n, bool &ok) const
KIO::Job
The base class for all jobs.
Definition: jobclasses.h:94
KIO::TransferJob
The transfer job pumps data into and/or out of a Slave.
Definition: jobclasses.h:555
KIO::TransferJob::isErrorPage
bool isErrorPage() const
Checks whether we got an error page.
Definition: job.cpp:1237
KJob
KJob::errorString
virtual QString errorString() const
KJob::error
int error() const
KPAC::Downloader::result
void result(bool)
KPAC::Downloader::Downloader
Downloader(QObject *)
Definition: downloader.cpp:34
KPAC::Downloader::error
const QString & error()
Definition: downloader.h:42
KPAC::Downloader::download
void download(const KUrl &)
Definition: downloader.cpp:39
KPAC::Downloader::setError
void setError(const QString &)
Definition: downloader.cpp:58
KPAC::Downloader::failed
virtual void failed()
Definition: downloader.cpp:53
KUrl
QObject
downloader.h
job.h
kcharsets.h
kglobal.h
klocale.h
i18n
QString i18n(const char *text)
KGlobal::charsets
KCharsets * charsets()
KIO::get
TransferJob * get(const KUrl &url, LoadType reload=NoReload, JobFlags flags=DefaultFlags)
Get (a.k.a.
Definition: job.cpp:1369
KIO::NoReload
@ NoReload
Definition: job.h:29
KIO::HideProgressInfo
@ HideProgressInfo
Hide progress information dialog, i.e.
Definition: jobclasses.h:51
KPAC
Definition: discovery.cpp:58
KPAC::hasErrorPage
static bool hasErrorPage(KJob *job)
Definition: downloader.cpp:75
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