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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the examples of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    18 ** General Public License version 2.1 as published by the Free Software

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    40 ****************************************************************************/

    41 

    42 #include "addtorrentdialog.h"

    43 #include "metainfo.h"

    44 

    45 #include <QFile>

    46 #include <QFileDialog>

    47 #include <QLineEdit>

    48 #include <QMetaObject>

    49 

    50 static QString stringNumber(qint64 number)

    51 {

    52     QString tmp;

    53     if (number > (1024 * 1024 * 1024))

    54         tmp.sprintf("%.2fGB", number / (1024.0 * 1024.0 * 1024.0));

    55     else if (number > (1024 * 1024))

    56         tmp.sprintf("%.2fMB", number / (1024.0 * 1024.0));

    57     else if (number > (1024))

    58         tmp.sprintf("%.2fKB", number / (1024.0));

    59     else

    60         tmp.sprintf("%d bytes", int(number));

    61     return tmp;

    62 }

    63 

    64 AddTorrentDialog::AddTorrentDialog(QWidget *parent)

    65   : QDialog(parent, Qt::Sheet)

    66 {

    67     ui.setupUi(this);

    68 

    69     connect(ui.browseTorrents, SIGNAL(clicked()),

    70             this, SLOT(selectTorrent()));

    71     connect(ui.browseDestination, SIGNAL(clicked()),

    72             this, SLOT(selectDestination()));

    73     connect(ui.torrentFile, SIGNAL(textChanged(const QString &)),

    74             this, SLOT(setTorrent(const QString &)));

    75 

    76     ui.destinationFolder->setText(destinationDirectory = QDir::current().path());

    77     ui.torrentFile->setFocus();

    78 }

    79 

    80 void AddTorrentDialog::selectTorrent()

    81 {

    82     QString fileName = QFileDialog::getOpenFileName(this, tr("Choose a torrent file"),

    83                                                     lastDirectory,

    84                                                     tr("Torrents (*.torrent);; All files (*.*)"));

    85     if (fileName.isEmpty())

    86         return;

    87     lastDirectory = QFileInfo(fileName).absolutePath();

    88     setTorrent(fileName);

    89 }

    90 

    91 void AddTorrentDialog::selectDestination()

    92 {

    93     QString dir = QFileDialog::getExistingDirectory(this, tr("Choose a destination directory"),

    94                                                     lastDestinationDirectory);

    95     if (dir.isEmpty())

    96         return;

    97     lastDestinationDirectory = destinationDirectory = dir;

    98     ui.destinationFolder->setText(destinationDirectory);

    99     enableOkButton();

   100 }

   101 

   102 void AddTorrentDialog::enableOkButton()

   103 {

   104     ui.okButton->setEnabled(!ui.destinationFolder->text().isEmpty()

   105                             && !ui.torrentFile->text().isEmpty());

   106 }

   107 

   108 void AddTorrentDialog::setTorrent(const QString &torrentFile)

   109 {

   110     if (torrentFile.isEmpty()) {

   111         enableOkButton();

   112         return;

   113     }

   114 

   115     ui.torrentFile->setText(torrentFile);

   116     if (!torrentFile.isEmpty())

   117         lastDirectory = QFileInfo(torrentFile).absolutePath();

   118 

   119     if (lastDestinationDirectory.isEmpty())

   120         lastDestinationDirectory = lastDirectory;

   121     

   122     MetaInfo metaInfo;

   123     QFile torrent(torrentFile);

   124     if (!torrent.open(QFile::ReadOnly) || !metaInfo.parse(torrent.readAll())) {

   125         enableOkButton();

   126         return;

   127     }

   128     

   129     ui.torrentFile->setText(torrentFile);

   130     ui.announceUrl->setText(metaInfo.announceUrl());

   131     if (metaInfo.comment().isEmpty())

   132         ui.commentLabel->setText("<unknown>");

   133     else

   134         ui.commentLabel->setText(metaInfo.comment());

   135     if (metaInfo.createdBy().isEmpty())

   136         ui.creatorLabel->setText("<unknown>");

   137     else

   138         ui.creatorLabel->setText(metaInfo.createdBy());

   139     ui.sizeLabel->setText(stringNumber(metaInfo.totalSize()));

   140     if (metaInfo.fileForm() == MetaInfo::SingleFileForm) {

   141         ui.torrentContents->setHtml(metaInfo.singleFile().name);

   142     } else {

   143         QString html;

   144         foreach (MetaInfoMultiFile file, metaInfo.multiFiles()) {

   145             QString name = metaInfo.name();

   146             if (!name.isEmpty()) {

   147                 html += name;

   148                 if (!name.endsWith('/'))

   149                     html += '/';

   150             }

   151             html += file.path + "<br>";

   152         }

   153         ui.torrentContents->setHtml(html);

   154     }

   155 

   156     QFileInfo info(torrentFile);

   157     ui.destinationFolder->setText(info.absolutePath());

   158 

   159     enableOkButton();

   160 }

   161 

   162 QString AddTorrentDialog::torrentFileName() const

   163 {

   164     return ui.torrentFile->text();

   165 }

   166 

   167 QString AddTorrentDialog::destinationFolder() const

   168 {

   169     return ui.destinationFolder->text();

   170 }