- Search plugin parses opensearch.xml files and adds them to combobox

[qtrapids] / src / plugins / searchplugin / SearchPlugin.cpp

diff --git a/src/plugins/searchplugin/SearchPlugin.cpp b/src/plugins/searchplugin/SearchPlugin.cpp
index 4440063..add01e0 100644 (file)
--- a/src/plugins/searchplugin/SearchPlugin.cpp
+++ b/src/plugins/searchplugin/SearchPlugin.cpp
@@ -26,15 +26,22 @@
 #include <QLineEdit>
 #include <QPushButton>
 #include <QUrl>
+#include <QDir>
 #include <QFileInfo>
 #include <QWebView>
 #include <QWebPage>
+#include <QDomDocument>
 
 #include "SearchPlugin.h"
 #include "DownloadManager.h"
 
 namespace qtrapids
 {
+       const QString ENGINES_DIR = "engines";
+       const QString DESCRIPTION_FILENAME = "opensearch.xml";
+       const QString SEARCH_TERMS_STRING = "{searchTerms}";
+       
+       
        SearchPlugin::SearchPlugin() : 
                comboBox_(NULL), searchLine_(NULL),
                searchButton_(NULL), result_(NULL), 
@@ -47,11 +54,13 @@ namespace qtrapids
        
        }
        
-       void SearchPlugin::initialize(PluginHostInterface* host)
+       void SearchPlugin::initialize(PluginHostInterface* host, Info info)
        {
                host_ = host;
                
                if (host_ != NULL) {
+               
+                       // Build up the plugin widget:
                        QWidget *pluginWidget = new QWidget;
                        QVBoxLayout *vbox = new QVBoxLayout;
                        QHBoxLayout *hbox = new QHBoxLayout;
@@ -67,6 +76,11 @@ namespace qtrapids
        
                        connect(searchButton_, SIGNAL(clicked()), this, SLOT(on_searchButton_clicked()));
                        //connect(this, SIGNAL(searchResult(QWidget*)), this, SLOT(on_searchResult(QWidget*)));
+                       qDebug() << info.directory;
+                       QDir dir(info.directory);
+                       if (dir.cd(ENGINES_DIR)) {
+                               ParseSearchEngineDescriptions(dir);
+                       }
                        
                        host_->setGui(pluginWidget, qtrapids::PluginHostInterface::BASE_WIDGET);
                }
@@ -76,12 +90,16 @@ namespace qtrapids
        {
                return NULL;
        }
-       
-       
+
+
        void SearchPlugin::on_searchButton_clicked()
        {
-               QUrl searchUrl(QString("http://www.google.fi/search?q="
-                       + searchLine_->text()));
+               
+               int i = comboBox_->currentIndex();
+               QString tmp = engineTemplates_.at(i);
+               i = tmp.indexOf(SEARCH_TERMS_STRING);
+               tmp.replace(i, SEARCH_TERMS_STRING.length(), searchLine_->text());
+               QUrl searchUrl(tmp);
                qDebug() << searchUrl;
                result_ = new QWebView;
                
@@ -125,7 +143,11 @@ namespace qtrapids
                QFileInfo fInfo(path);
                
                // Check path suffix. If it is .torrent, we should download:
-               /// @todo We should also check MIME-type, instead of relying on file suffix.
+               /// @todo We should actually check for MIME-type application/x-bittorrent in HTTP response, 
+               /// instead of relying on file suffix.
+               /// e.g. link 
+               ///http://www.bitenova.org/download.php?id=c84375141231eef49fc6c55e6347ba4f4a623a05&name=Nero_Linux_3.5.1.0__(Debian)_deutsch
+               /// will not work.
                /// @todo Also, after downloading, the torrent bencoding validity should be checked at plugin host..
                if (fInfo.suffix() == "torrent") {
 #ifdef QTRAPIDS_DEBUG
@@ -143,6 +165,7 @@ namespace qtrapids
                        dlManager_ = new DownloadManager(url, "/tmp/" + filename);
                        connect(dlManager_, SIGNAL(finished(QString)), this, SLOT(on_downloadFinished(QString)));
                        dlManager_->start();
+                       
                } else {
                        // If was not .torrent -file, check URL validity and load the page as usual.
                        if (url.isValid()) {
@@ -161,6 +184,61 @@ namespace qtrapids
                host_->eventRequest(QVariant(filepath), qtrapids::PluginHostInterface::OPEN_FILE);
        }
 
+
+       void SearchPlugin::ParseSearchEngineDescriptions(const QDir& dir)
+       {
+               foreach (QString dirName, dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
+               
+                               QFile file(dir.path() + "/" + dirName + "/" + DESCRIPTION_FILENAME);
+                               
+                               if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+                                       qWarning() << "Unable to open " << DESCRIPTION_FILENAME << " for reading in " << dir.path();
+                                       continue;
+                               }
+                               
+                               // Parse the XML file to DOM document.
+                               QDomDocument document;
+                               
+                               // Second parameter: nameSpaceProcessing = false
+                               if (!document.setContent(&file, false)) {
+                                       qWarning() << "Unable to parse " << DESCRIPTION_FILENAME << " in " << dirName;
+                               } else {
+                                       QDomNodeList urlElements = document.elementsByTagName("Url");
+                                       QDomNodeList shortNameElements = document.elementsByTagName("ShortName");
+                                       
+                                       QDomNode n = urlElements.item(0);
+                                       QDomNode m;
+                                       QDomNamedNodeMap attribMap;
+                                       if (n.hasAttributes()) {
+                                               attribMap = n.attributes();
+                                               m = attribMap.namedItem("template");
+                                               engineTemplates_.push_back(m.nodeValue());
+                                       }
+                                       
+                                       n = shortNameElements.item(0);
+                                       if (n.hasChildNodes()) {
+                                               m = n.firstChild();
+                                               comboBox_->addItem(m.nodeValue());
+                                       }
+                               }
+                       }
+                       
+                       
+                       /// @todo save parsed xml elements <Shortname> and <Url template="<foo>"> to a model which is displayed in combobox.
+               }
+               
+                                               /*
+               QDomElement docElem = document.documentElement();
+               QDomNode n = docElem.firstChild();
+               while(!n.isNull()) {
+                       QDomElement e = n.toElement(); // try to convert the node to an element.
+                       if(!e.isNull()) {
+                               qDebug() << qPrintable(e.tagName()); // the node really is an element.
+                       }
+                       n = n.nextSibling();
+               }
+               */
+
 } // namespace qtrapids
 
 Q_EXPORT_PLUGIN2(searchplugin, qtrapids::SearchPlugin)