git.maemo.org Git - qtrapids/blob - src/plugins/searchplugin/SearchPlugin.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Lassi Väätämöinen   *
   3  *   lassi.vaatamoinen@ixonos.com   *
   4  *                                                                         *
   5  *   This program 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 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program 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 this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include <QDebug>
  22 #include <QtCore/qplugin.h>
  23 #include <QVBoxLayout>
  24 #include <QHBoxLayout>
  25 #include <QComboBox>
  26 #include <QLineEdit>
  27 #include <QPushButton>
  28 #include <QUrl>
  29 #include <QFileInfo>
  30 #include <QWebView>
  31 #include <QWebPage>
  32
  33 #include "SearchPlugin.h"
  34 #include "DownloadManager.h"
  35
  36 namespace qtrapids
  37 {
  38         SearchPlugin::SearchPlugin() :
  39                 comboBox_(NULL), searchLine_(NULL),
  40                 searchButton_(NULL), result_(NULL),
  41                 dlManager_(NULL), host_(NULL)
  42         {
  43                 // TODO: Parse search engine XML(?) descriptions.
  44                 // -Add search engines to model
  45                 // -Show model in comboBox
  46                 // Add back/forward/refresh -buttons to widget to allow some browsing
  47
  48         }
  49
  50         void SearchPlugin::initialize(PluginHostInterface* host)
  51         {
  52                 host_ = host;
  53
  54                 if (host_ != NULL) {
  55                         QWidget *pluginWidget = new QWidget;
  56                         QVBoxLayout *vbox = new QVBoxLayout;
  57                         QHBoxLayout *hbox = new QHBoxLayout;
  58                         comboBox_ = new QComboBox;
  59                         searchLine_ = new QLineEdit;
  60                         searchButton_ = new QPushButton("Search");
  61
  62                         hbox->addWidget(searchLine_);
  63                         hbox->addWidget(searchButton_);
  64                         vbox->addWidget(comboBox_);
  65                         vbox->addLayout(hbox);
  66                         pluginWidget->setLayout(vbox);
  67
  68                         connect(searchButton_, SIGNAL(clicked()), this, SLOT(on_searchButton_clicked()));
  69                         //connect(this, SIGNAL(searchResult(QWidget*)), this, SLOT(on_searchResult(QWidget*)));
  70
  71                         host_->setGui(pluginWidget, qtrapids::PluginHostInterface::BASE_WIDGET);
  72                 }
  73         }
  74
  75         QWidget* SearchPlugin::getGui()
  76         {
  77                 return NULL;
  78         }
  79
  80
  81         void SearchPlugin::on_searchButton_clicked()
  82         {
  83                 QUrl searchUrl(QString("http://www.google.fi/search?q="
  84                         + searchLine_->text()));
  85                 qDebug() << searchUrl;
  86                 result_ = new QWebView;
  87
  88                 // Get underlying QWebPage and change link delegation, so we can meddle with links in on_linkClicked().
  89                 QWebPage *resultPage = result_->page();
  90                 resultPage->setLinkDelegationPolicy(QWebPage::DelegateExternalLinks);
  91
  92                 connect(resultPage, SIGNAL(linkClicked(const QUrl&)), this, SLOT(on_linkClicked(const QUrl&)));
  93                 connect(result_, SIGNAL(loadFinished(bool)), this, SLOT(on_loadFinished(bool)));
  94
  95                 result_->load(searchUrl);
  96
  97                 on_searchResult((QWidget*)result_);
  98         }
  99
 100
 101         void SearchPlugin::on_loadFinished(bool ok)
 102         {
 103 #ifdef QTRAPIDS_DEBUG
 104                 if (ok) {
 105                         qDebug() << "on_loadFinished(): success";
 106                 }
 107 #endif
 108         }
 109
 110
 111         void SearchPlugin::on_searchResult(QWidget* resultWidget)
 112         {
 113 #ifdef QTRAPIDS_DEBUG
 114                 qDebug() << "on_searchResult()";
 115 #endif
 116                 if (host_) {
 117                         host_->addPluginWidget(resultWidget, qtrapids::PluginHostInterface::TAB_PAGE);
 118                 }
 119         }
 120
 121         void SearchPlugin::on_linkClicked(const QUrl& url)
 122         {
 123                 // Get the path part of URL (the part after the host part)
 124                 QString path = url.path();
 125                 QFileInfo fInfo(path);
 126
 127                 // Check path suffix. If it is .torrent, we should download:
 128                 /// @todo We should also check MIME-type, instead of relying on file suffix.
 129                 /// @todo Also, after downloading, the torrent bencoding validity should be checked at plugin host..
 130                 if (fInfo.suffix() == "torrent") {
 131 #ifdef QTRAPIDS_DEBUG
 132                         qDebug() << "IS TORRENT";
 133 #endif
 134                         QString filename = fInfo.fileName();
 135
 136                         // Destroy ongoing download, if any.
 137                         if (dlManager_) {
 138                                 delete dlManager_;
 139                                 dlManager_ = NULL;
 140                         }
 141
 142                         // Start downloading Torrent file.
 143                         dlManager_ = new DownloadManager(url, "/tmp/" + filename);
 144                         connect(dlManager_, SIGNAL(finished(QString)), this, SLOT(on_downloadFinished(QString)));
 145                         dlManager_->start();
 146                 } else {
 147                         // If was not .torrent -file, check URL validity and load the page as usual.
 148                         if (url.isValid()) {
 149                                 result_->load(url);
 150                         }
 151                 }
 152         }
 153
 154         void SearchPlugin::on_downloadFinished(QString filepath)
 155         {
 156 #ifdef QTRAPIDS_DEBUG
 157                 qDebug() << "TORRENT DOWNLOADED: " << filepath;
 158 #endif
 159                 delete dlManager_;
 160                 dlManager_ = NULL;
 161                 host_->eventRequest(QVariant(filepath), qtrapids::PluginHostInterface::OPEN_FILE);
 162         }
 163
 164 } // namespace qtrapids
 165
 166 Q_EXPORT_PLUGIN2(searchplugin, qtrapids::SearchPlugin)