libicq2000/src/ICBMCookieCache.h

   1 /*
   2  * ICBMCookieCache
   3  *
   4  * Copyright (C) 2001 Barnaby Gray <barnaby@beedesign.co.uk>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 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  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
  19  *
  20  */
  21
  22 #ifndef ICBMCOOKIECACHE_H
  23 #define ICBMCOOKIECACHE_H
  24
  25 #include "Cache.h"
  26 #include "ICBMCookie.h"
  27 #include "events.h"
  28
  29 #include "libicq2000/sigslot.h"
  30
  31 namespace ICQ2000 {
  32
  33   class ICBMCookieCache : public Cache<ICBMCookie, MessageEvent*> {
  34    public:
  35     ICBMCookieCache() { }
  36     ~ICBMCookieCache()
  37     {
  38       removeAll();
  39     }
  40
  41     void removeItem(const ICBMCookieCache::literator& l)
  42     {
  43       if (((*l).getValue())->getType() != MessageEvent::FileTransfer)
  44         delete ((*l).getValue());
  45       Cache<ICBMCookie, MessageEvent*>::removeItem(l);
  46     }
  47
  48     void expireItem(const ICBMCookieCache::literator& l) {
  49       expired.emit( (*l).getValue() );
  50       Cache<ICBMCookie, MessageEvent*>::expireItem(l);
  51     }
  52
  53     ICBMCookie generateUnique() const {
  54       ICBMCookie c;
  55       c.generate();
  56       while (exists(c)) c.generate();
  57       return c;
  58     }
  59
  60     sigslot::signal1<MessageEvent*> expired;
  61
  62   };
  63 }
  64
  65 #endif