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 : public Noncopyable { 41 public: 42 PageGroup(const String& name); 43 PageGroup(Page*); 44 45 static PageGroup* pageGroup(const String& groupName); 46 static void closeLocalStorage(); 47 pages()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 name()62 const String& name() { return m_name; } identifier()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) hasLocalStorage()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 90