knewsticker/newsfeedmanager.cpp

   1 /*
   2  * newsfeedmanager.cpp
   3  *
   4  * Copyright (c) 2007 Frerich Raabe <raabe@kde.org>
   5  *
   6  * This program is distributed in the hope that it will be useful, but WITHOUT
   7  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   8  * FOR A PARTICULAR PURPOSE. For licensing and distribution details, check the
   9  * accompanying file 'COPYING'.
  10  */
  11 #include "newsfeedmanager.h"
  12
  13 #include <kurl.h>
  14
  15 using namespace Syndication;
  16
  17 NewsFeedManager *NewsFeedManager::s_instance = 0;
  18
  19 NewsFeedManager *NewsFeedManager::self()
  20 {
  21     if ( !s_instance ) {
  22         s_instance = new NewsFeedManager;
  23     }
  24     return s_instance;
  25 }
  26
  27 NewsFeedManager::NewsFeedManager() : QObject()
  28 {
  29 }
  30
  31 void NewsFeedManager::setSubscriptions( const QStringList &urls )
  32 {
  33     m_subscriptions = urls;
  34 }
  35
  36 void NewsFeedManager::update()
  37 {
  38     m_availableFeeds.clear();
  39     foreach ( const QString &url, m_subscriptions ) {
  40         updateFeed( url );
  41     }
  42 }
  43
  44 void NewsFeedManager::updateFeed( const QUrl &url )
  45 {
  46     Loader *loader = Loader::create( this, SLOT( loaderFinished( Syndication::Loader *, Syndication::FeedPtr, Syndication::ErrorCode ) ) );
  47     m_activeLoaders[ loader ] = url;
  48     loader->loadFrom( url );
  49 }
  50
  51 const QMap<QUrl, FeedPtr> &NewsFeedManager::availableFeeds() const
  52 {
  53     return m_availableFeeds;
  54 }
  55
  56 void NewsFeedManager::loaderFinished( Loader *loader, FeedPtr feed, ErrorCode status )
  57 {
  58     const QUrl url = m_activeLoaders[ loader ];
  59     m_activeLoaders.remove( loader );
  60
  61     if ( status == Syndication::Success ) {
  62         m_availableFeeds[ url ] = feed;
  63
  64         emit feedLoaded( url );
  65     }
  66
  67     if ( m_activeLoaders.isEmpty() ) {
  68         emit updateFinished();
  69     }
  70 }
  71
  72 #include "newsfeedmanager.moc"