src/3rdparty/webkit/WebCore/page/PageGroup.h

   1 /*
   2  * Copyright (C) 2008 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef PageGroup_h
  27 #define PageGroup_h
  28
  29 #include <wtf/HashSet.h>
  30 #include <wtf/Noncopyable.h>
  31 #include "LinkHash.h"
  32 #include "StringHash.h"
  33
  34 namespace WebCore {
  35
  36     class KURL;
  37     class Page;
  38     class StorageNamespace;
  39
  40     class PageGroup : Noncopyable {
  41     public:
  42         PageGroup(const String& name);
  43         PageGroup(Page*);
  44
  45         static PageGroup* pageGroup(const String& groupName);
  46         static void closeLocalStorage();
  47
  48         const HashSet<Page*>& pages() const { return m_pages; }
  49
  50         void addPage(Page*);
  51         void removePage(Page*);
  52
  53         bool isLinkVisited(LinkHash);
  54
  55         void addVisitedLink(const KURL&);
  56         void addVisitedLink(const UChar*, size_t);
  57         void removeVisitedLinks();
  58
  59         static void setShouldTrackVisitedLinks(bool);
  60         static void removeAllVisitedLinks();
  61
  62         const String& name() { return m_name; }
  63         unsigned identifier() { return m_identifier; }
  64
  65 #if ENABLE(DOM_STORAGE)
  66         StorageNamespace* localStorage();
  67 #endif
  68
  69     private:
  70         void addVisitedLink(LinkHash stringHash);
  71 #if ENABLE(DOM_STORAGE)
  72         bool hasLocalStorage() { return m_localStorage; }
  73 #endif
  74         String m_name;
  75
  76         HashSet<Page*> m_pages;
  77
  78         HashSet<LinkHash, LinkHashHash> m_visitedLinkHashes;
  79         bool m_visitedLinksPopulated;
  80
  81         unsigned m_identifier;
  82 #if ENABLE(DOM_STORAGE)
  83         RefPtr<StorageNamespace> m_localStorage;
  84 #endif
  85     };
  86
  87 } // namespace WebCore
  88
  89 #endif // PageGroup_h