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 * This file is a part of QComicBook.
 * Copyright (C) 2005-2006 Pawel Stolowski <yogin@linux.bydg.org>
 * QComicBook is free software; you can redestribute it and/or modify it
 * under terms of GNU General Public License by Free Software Foundation.
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY. See GPL for more details.

/*! \file imgloader.h */


#include <qthread.h>
#include <qvaluelist.h>

namespace QComicBook
      class ImgDirSink;

      //! Thread-based image loader.
00026       class ImgLoaderThread: public QThread
00029                   volatile QThread::Priority prio; //!<thread priority
00030                   QMutex mtx; //!<mutex for serialization of class attributes
00031                   QValueList<int> requests; //!<the list of requested pages
                  ImgDirSink *sink;

                  volatile bool stopped;

                  //! Main function of the thread.
                  /*! Preloads requested pages from requests list using sink->getImage().
                   *  Stop if stopped flag is true.
                   *  @see ImgDirSink::getImage
                  virtual void run();

                  virtual ~ImgLoaderThread();

                  //! Changes priority of the loader thread.
                  /*! @param p new priority
                  virtual void setPriority(QThread::Priority p);

                  //! Sets image source sink.
                  /*! @param sink image sink used for retrieving (loading) images
                  virtual void setSink(ImgDirSink *sink=NULL);

                  //! Appends page to the list of pages to load.
                  /*! @param page page to load
                  virtual void request(int page);

                  //! Appends few pages to the list of pages to load.
                  /*! @param first starting page
                   *  @param n number of pages to load in turn
                  virtual void request(int first, int n);

                  //! Stops processing requests and exits thread execution.
                  virtual void stop();


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