git.maemo.org Git - mdictionary/blob - src/plugins/xdxf/XdxfDictDownloader.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 //Created by Mateusz Półrola
  23
  24 #include "XdxfDictDownloader.h"
  25 #include "XdxfDictDownloadProgressDialog.h"
  26 #include <QDebug>
  27
  28
  29 XdxfDictDownloader::XdxfDictDownloader(QObject *parent) :
  30     QObject(parent) {
  31     parentDialog = 0;
  32     process = new QProcess(this);
  33
  34
  35     connect(process, SIGNAL(finished(int)),
  36             this, SLOT(processFinished(int)));
  37
  38     progressDialog = 0;
  39 }
  40
  41 XdxfDictDownloader::~XdxfDictDownloader() {
  42
  43 }
  44
  45
  46
  47 void XdxfDictDownloader::download(QWidget *parent) {
  48     parentDialog = parent;
  49     aborted = false;
  50     QNetworkAccessManager *manager = new QNetworkAccessManager(this);
  51
  52     connect(manager, SIGNAL(finished(QNetworkReply*)),
  53             this, SLOT(dictListReceived(QNetworkReply*)));
  54
  55     manager->get(QNetworkRequest(QUrl("http://xdxf.revdanica.com/down/")));
  56
  57     progressDialog = new XdxfDictDownloadProgressDialog(parent);
  58
  59     connect(progressDialog, SIGNAL(cancelDownloading()),
  60             this, SLOT(breakDownloading()));
  61     progressDialog->setText(tr("Downloading dictionaries list"));
  62     progressDialog->show();
  63 }
  64
  65 QString XdxfDictDownloader::downloadedFile() {
  66     return _downloadedFile;
  67 }
  68
  69
  70 void XdxfDictDownloader::breakDownloading() {
  71     aborted = true;
  72     if(process->state() != QProcess::NotRunning) {
  73         process->kill();
  74     }
  75
  76     if(progressDialog && progressDialog->isVisible()) {
  77         progressDialog->accept();
  78     }
  79
  80     Q_EMIT notify(Notify::Info, tr("Downloading canceled"));
  81 }
  82
  83 void XdxfDictDownloader::processFinished(int exitcode) {
  84     if(aborted) return;
  85     if(exitcode != 0) {
  86         Q_EMIT notify(Notify::Error, tr("Error while downloading or processing dictionary"));
  87     }
  88     if(++currentCommand<commands.size()) {
  89         process->start(commands[currentCommand]);
  90     }
  91     else {
  92         downloadComplete();
  93     }
  94 }
  95
  96 void XdxfDictDownloader::downloadComplete() {
  97     if(aborted) return;
  98     QDir dir("/tmp/mdict");
  99     QString dictDirName = dir.entryList().at(2);
 100     QFile dictFile("/tmp/mdict/" + dictDirName + "/dict.xdxf");
 101     dictFile.copy(QDir::homePath() + "/.mdictionary/" + dictDirName + ".xdxf");
 102     QFile::remove("/tmp/" + _fileName);
 103
 104     _downloadedFile = QDir::homePath() + "/.mdictionary/" + dictDirName + ".xdxf";
 105
 106     progressDialog->accept();
 107     delete progressDialog;
 108     progressDialog = 0;
 109
 110     emit fileDownloaded(_downloadedFile);
 111 }
 112
 113 void XdxfDictDownloader::dictListReceived(QNetworkReply *reply) {
 114
 115     if(aborted) return;
 116     progressDialog->accept();
 117
 118     if(reply->error() != QNetworkReply::NoError) {
 119         Q_EMIT notify(Notify::Error, reply->errorString());
 120         return;
 121     }
 122
 123     QString page(QString::fromUtf8(reply->readAll()));
 124     QRegExp regOuter("<td>Icon</td><td>Name</td><td>Archive filename</td><td>Archive file size</td><td>Dict file size</td><td>Number of articles</td><td>From</td><td>To</td><td>Submitted by</td><td>Submition date</td></tr>(.*)</table>");
 125     regOuter.setMinimal(true);
 126     if(!regOuter.indexIn(page))
 127         return;
 128
 129     page = regOuter.capturedTexts().at(1);
 130     QRegExp regInner("<tr>.*</tr>");
 131     regInner.setMinimal(true);
 132     int pos = 0;
 133
 134     while ((pos = regInner.indexIn(page, pos)) != -1) {
 135         DownloadDict temp = DownloadDict(regInner.cap(0));
 136         if(!temp.fromLang().isEmpty())
 137             dicts.append(temp);
 138         pos += regInner.matchedLength();
 139     }
 140
 141     XdxfDictSelectDialog selectDialog(dicts, parentDialog);
 142
 143     if(selectDialog.exec()==QDialog::Accepted) {
 144
 145         progressDialog->setText(tr("Downloading dictionary"));
 146         progressDialog->show();
 147
 148         QString url = selectDialog.link();
 149
 150         _fileName = url.split('/').last();
 151
 152         commands.clear();
 153         commands.push_back("rm -rf /tmp/mdict");
 154         commands.push_back("mkdir /tmp/mdict");
 155         commands.push_back("wget --quiet -P /tmp/ " + url);
 156         commands.push_back(QString("tar -xjvf /tmp/") + _fileName + QString(" -C /tmp/mdict"));
 157
 158         process->start(commands[0]);
 159     }
 160 }