src/xmlloader_p.h

   1 /*
   2   Copyright (c) 2006 Gábor Lehel <illissius@gmail.com>
   3
   4   This library is free software; you can redistribute it and/or
   5   modify it under the terms of the GNU Library General Public
   6   License as published by the Free Software Foundation; either
   7   version 2 of the License, or (at your option) any later version.
   8
   9   This library is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12   Library General Public License for more details.
  13
  14   You should have received a copy of the GNU Library General Public License
  15   along with this library; see the file COPYING.LIB.  If not, write to
  16   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17   Boston, MA 02110-1301, USA.
  18 */
  19
  20 #ifndef AMAROK_XMLLOADER_P_H
  21 #define AMAROK_XMLLOADER_P_H
  22
  23 #include <QApplication>
  24 #include <QThread>
  25
  26 class MetaBundle::XmlLoader::ThreadedLoader: public QThread
  27 {
  28     Q_OBJECT
  29     QObject *m_target;
  30     QXmlInputSource *m_source;
  31
  32     private slots:
  33         void bundleLoaded( const MetaBundle &bundle, const XmlAttributeList &attributes )
  34         {
  35             QApplication::postEvent( m_target, new BundleLoadedEvent( bundle, attributes ) );
  36         }
  37
  38     public:
  39         ThreadedLoader( QXmlInputSource *source, QObject *target ): m_target( target ), m_source( source ) { }
  40
  41     protected:
  42         virtual void run()
  43         {
  44             {
  45                 XmlLoader loader;
  46                 connect( &loader, SIGNAL( newBundle( const MetaBundle&, const XmlAttributeList& ) ),
  47                          this,  SLOT( bundleLoaded( const MetaBundle&, const XmlAttributeList& ) ) );
  48                 bool success = loader.load( m_source );
  49                 if( !success )
  50                     QApplication::postEvent( m_target, new BundleLoadedEvent( loader.m_lastError ) );
  51             }
  52
  53             delete this;
  54         }
  55 };
  56
  57 class MetaBundle::XmlLoader::SimpleLoader: public QObject
  58 {
  59     Q_OBJECT
  60
  61 public:
  62     BundleList bundles;
  63
  64     SimpleLoader( QXmlInputSource *source, bool *ok )
  65     {
  66         XmlLoader loader;
  67         connect( &loader, SIGNAL( newBundle( const MetaBundle&, const XmlAttributeList& ) ),
  68                  this,  SLOT( bundleLoaded( const MetaBundle&, const XmlAttributeList& ) ) );
  69         const bool success = loader.load( source );
  70         if( ok )
  71             (*ok) = success;
  72     }
  73
  74 private slots:
  75     void bundleLoaded( const MetaBundle &bundle, const XmlAttributeList& )
  76     {
  77         bundles << bundle;
  78     }
  79 };
  80
  81 #endif