1 /*

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

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

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

     5 

     6     This library is free software; you can redistribute it and/or

     7     modify it under the terms of the GNU Library General Public

     8     License as published by the Free Software Foundation; either

     9     version 2 of the License, or (at your option) any later version.

    10 

    11     This library is distributed in the hope that it will be useful,

    12     but WITHOUT ANY WARRANTY; without even the implied warranty of

    13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    14     Library General Public License for more details.

    15 

    16     You should have received a copy of the GNU Library General Public License

    17     along with this library; see the file COPYING.LIB.  If not, write to

    18     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    19     Boston, MA 02110-1301, USA.

    20 

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

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

    23 */

    24 

    25 #ifndef CachedResourceClientWalker_h

    26 #define CachedResourceClientWalker_h

    27 

    28 #include <wtf/HashCountedSet.h>

    29 #include <wtf/Vector.h>

    30 

    31 namespace WebCore {

    32 

    33     class CachedResourceClient;

    34 

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

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

    37     class CachedResourceClientWalker {

    38     public:

    39         CachedResourceClientWalker(const HashCountedSet<CachedResourceClient*>&);

    40         CachedResourceClient* next();

    41     private:

    42         const HashCountedSet<CachedResourceClient*>& m_clientSet;

    43         Vector<CachedResourceClient*> m_clientVector;

    44         size_t m_index;

    45     };

    46 

    47 }

    48 

    49 #endif