vcs.maemo.org Git - mdictionary/blob - src/plugins/xdxf/HttpDownloader.cpp

   1 /*******************************************************************************
   2
   3     This file is part of mDictionary.
   4
   5     mDictionary is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     mDictionary 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 mDictionary.  If not, see <http://www.gnu.org/licenses/>.
  17
  18     Copyright 2010 Comarch S.A.
  19
  20 *******************************************************************************/
  21 /*!
  22     \file HttpDownloader.h
  23     \author Bartosz Szatkowski <bulislaw@linux.com>
  24  */
  25
  26 #include "HttpDownloader.h"
  27
  28 HttpDownloader::HttpDownloader(QObject *parent): QObject(parent) {
  29     http = new QHttp();
  30     //connect(http, SIGNAL(requestFinished(int, bool)), this,
  31      //       SLOT(getPageFinished()));
  32
  33     manager = new QNetworkAccessManager;
  34     connect(manager, SIGNAL(finished(QNetworkReply*)),
  35             SLOT(downloadFinished(QNetworkReply*)));
  36
  37     //connect(http, SIGNAL())
  38 }
  39
  40
  41 void HttpDownloader::download(QUrl url, QString file) {
  42     destFile = file;
  43     QNetworkRequest request(url);
  44     // Following line is crucial becouse sourceforge wont redirect correctly
  45     //    if no user-agent is supplied
  46     request.setRawHeader("User-Agent", "Wget/1.12 (linux-gnu)");
  47     currentReply = manager->get(request);
  48     connect(currentReply, SIGNAL(downloadProgress(qint64,qint64)),
  49             this, SIGNAL(progress(qint64,qint64)));
  50 }
  51
  52
  53 void HttpDownloader::downloadFinished(QNetworkReply *reply) {
  54     disconnect(reply, SIGNAL(downloadProgress(qint64,qint64)),
  55                this, SIGNAL(progress(qint64,qint64)));
  56     if(reply->error() != QNetworkReply::NoError) {
  57         Q_EMIT error(reply->errorString());
  58         return;
  59     }
  60
  61     QUrl r = reply->attribute(QNetworkRequest::RedirectionTargetAttribute)
  62             .toUrl();
  63
  64     if(r.isValid()) {
  65        // Following redirect
  66        QNetworkRequest req;
  67        req.setRawHeader("User-Agent", "Wget/1.12 (linux-gnu)");
  68        req.setUrl(r);
  69        currentReply = manager->get(req);
  70        connect(currentReply, SIGNAL(downloadProgress(qint64,qint64)),
  71                this, SIGNAL(progress(qint64,qint64)));
  72     }
  73     else {
  74         QFile resultFile(destFile);
  75         resultFile.open(QFile::WriteOnly);
  76         resultFile.write(reply->readAll());
  77         resultFile.close();
  78         Q_EMIT finished();
  79     }
  80 }
  81
  82
  83 void HttpDownloader::kill() {
  84     http->abort();
  85 }