/*

    Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)

    Copyright (C) 2001 Dirk Mueller <mueller@kde.org>

    Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.

    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., 51 Franklin Street, Fifth Floor,

    Boston, MA 02110-1301, USA.

    This class provides all functionality needed for loading images, style sheets and html

    pages from the web. It has a memory cache for these objects.

*/

#ifndef CachedResourceClientWalker_h

#define CachedResourceClientWalker_h

#include <wtf/HashCountedSet.h>

#include <wtf/Vector.h>

namespace WebCore {

    class CachedResourceClient;

    // Call this "walker" instead of iterator so people won't expect Qt or STL-style iterator interface.

    // Just keep calling next() on this. It's safe from deletions of items.

    class CachedResourceClientWalker {

    public:

        CachedResourceClientWalker(const HashCountedSet<CachedResourceClient*>&);

        CachedResourceClient* next();

    private:

        const HashCountedSet<CachedResourceClient*>& m_clientSet;

        Vector<CachedResourceClient*> m_clientVector;

        size_t m_index;

    };

}

#endif