git.sur5r.net Git - minitube/blob - src/ytcategories.cpp

   1 #include "ytcategories.h"
   2 #include "networkaccess.h"
   3 #include <QtXml>
   4
   5 namespace The {
   6 NetworkAccess* http();
   7 }
   8
   9 YTCategories::YTCategories(QObject *parent) : QObject(parent) { }
  10
  11 void YTCategories::loadCategories(QString language) {
  12     if (language.isEmpty())
  13         language = QLocale::system().uiLanguages().first();
  14     lastLanguage = language;
  15
  16     QString url = "http://gdata.youtube.com/schemas/2007/categories.cat?hl=" + language;
  17     QObject *reply = The::http()->get(url);
  18     connect(reply, SIGNAL(data(QByteArray)), SLOT(parseCategories(QByteArray)));
  19     connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(requestError(QNetworkReply*)));
  20 }
  21
  22 void YTCategories::parseCategories(QByteArray bytes) {
  23     QList<YTCategory> categories;
  24
  25     QXmlStreamReader xml(bytes);
  26     while (!xml.atEnd()) {
  27         xml.readNext();
  28         if (xml.isStartElement() && xml.name() == QLatin1String("category")) {
  29             QString term = xml.attributes().value("term").toString();
  30             QString label = xml.attributes().value("label").toString();
  31             while(xml.readNextStartElement())
  32                 if (xml.name() == QLatin1String("assignable")) {
  33                     YTCategory category;
  34                     category.term = term;
  35                     category.label = label;
  36                     categories << category;
  37                 } else xml.skipCurrentElement();
  38         }
  39     }
  40
  41     if (xml.hasError()) {
  42         emit error(xml.errorString());
  43         return;
  44     }
  45
  46     emit categoriesLoaded(categories);
  47 }
  48
  49 void YTCategories::requestError(QNetworkReply *reply) {
  50     if (lastLanguage != "en") loadCategories("en");
  51     else emit error(reply->errorString());
  52 }