Source: kdirsize.h

# Source: kdirsize.h |
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    /* This file is part of the KDE libraries
        Copyright (C) 2000 David Faure

        This library is free software; you can redistribute it and/or
        modify it under the terms of the GNU Library General Public
        License as published by the Free Software Foundation; either
        version 2 of the License, or (at your option) any later version.

        This library is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        Library General Public License for more details.

        You should have received a copy of the GNU Library General Public License
        along with this library; see the file COPYING.LIB.  If not, write to
        the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
        Boston, MA 02111-1307, USA.
    */

    #ifndef __KDIRSIZE_H
    #define __KDIRSIZE_H

    #include
    #include

    /**
     * Computes a directory size (similar to "du", but doesn't give the same results
     * since we simply sum up the dir and file sizes, whereas du speaks disk blocks)
     */
    class KDirSize : public KIO::Job
    {
      Q_OBJECT
    protected:
      KDirSize( const KURL & directory );
      KDirSize( const KFileItemList & lstItems );
      ~KDirSize() {}

    public:
      /**
       * @return the size we found
       */
      KIO::filesize_t totalSize() const { return m_totalSize; }

      /**
       * Asynchronous method. Connect to the result signal.
       * This one lists a single directory.
       */
      static KDirSize * dirSizeJob( const KURL & directory );

      /**
       * Asynchronous method. Connect to the result signal.
       * This one lists the items from @p lstItems.
       * The reason we asks for items instead of just urls, is so that
       * we directly know if the item is a file or a directory,
       * and in case of a file, we already have its size.
       */
      static KDirSize * dirSizeJob( const KFileItemList & lstItems );

      /**
       * Synchronous method - you get the result as soon as
       * the call returns.
       */
      static KIO::filesize_t dirSize( const KURL & directory );

    protected:
      /**
       * @internal
       */
      void setSync() { m_bAsync = false; }

      void startNextJob( const KURL & url );

    protected slots:

      virtual void slotResult( KIO::Job *job );
      void slotEntries( KIO::Job * , const KIO::UDSEntryList & );
      void processList();

    private:
      bool m_bAsync;
      KIO::filesize_t m_totalSize;
      KFileItemList m_lstItems;
    protected:
        virtual void virtual_hook( int id, void* data );
    private:
      class KDirSize* d;
    };

    #endif

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