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      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 #include "UserScript.h"
     34 #include "UserStyleSheet.h"
     35 
     36 namespace WebCore {
     37 
     38     class KURL;
     39     class Page;
     40     class StorageNamespace;
     41 
     42     class PageGroup : public Noncopyable {
     43     public:
     44         PageGroup(const String& name);
     45         PageGroup(Page*);
     46         ~PageGroup();
     47 
     48         static PageGroup* pageGroup(const String& groupName);
     49         static void closeLocalStorage();
     50 
     51 #if ENABLE(DOM_STORAGE) && defined(ANDROID)
     52         static void clearDomStorage();
     53 #endif
     54 
     55         const HashSet<Page*>& pages() const { return m_pages; }
     56 
     57         void addPage(Page*);
     58         void removePage(Page*);
     59 
     60         bool isLinkVisited(LinkHash);
     61 
     62         void addVisitedLink(const KURL&);
     63         void addVisitedLink(const UChar*, size_t);
     64         void removeVisitedLinks();
     65 
     66         static void setShouldTrackVisitedLinks(bool);
     67         static void removeAllVisitedLinks();
     68 
     69         const String& name() { return m_name; }
     70         unsigned identifier() { return m_identifier; }
     71 
     72 #if ENABLE(DOM_STORAGE)
     73         StorageNamespace* localStorage();
     74         bool hasLocalStorage() { return m_localStorage; }
     75 #endif
     76 
     77         void addUserScriptToWorld(DOMWrapperWorld*, const String& source, const KURL&,
     78                                   PassOwnPtr<Vector<String> > whitelist, PassOwnPtr<Vector<String> > blacklist,
     79                                   UserScriptInjectionTime);
     80         void addUserStyleSheetToWorld(DOMWrapperWorld*, const String& source, const KURL&,
     81                                PassOwnPtr<Vector<String> > whitelist, PassOwnPtr<Vector<String> > blacklist);
     82 
     83         void removeUserScriptFromWorld(DOMWrapperWorld*, const KURL&);
     84         void removeUserStyleSheetFromWorld(DOMWrapperWorld*, const KURL&);
     85 
     86         void removeUserScriptsFromWorld(DOMWrapperWorld*);
     87         void removeUserStyleSheetsFromWorld(DOMWrapperWorld*);
     88 
     89         void removeAllUserContent();
     90 
     91         const UserScriptMap* userScripts() const { return m_userScripts.get(); }
     92         const UserStyleSheetMap* userStyleSheets() const { return m_userStyleSheets.get(); }
     93 
     94     private:
     95         void addVisitedLink(LinkHash stringHash);
     96 
     97 #if ENABLE(DOM_STORAGE) && defined(ANDROID)
     98         void removeLocalStorage();
     99 #endif
    100 
    101         String m_name;
    102 
    103         HashSet<Page*> m_pages;
    104 
    105         HashSet<LinkHash, LinkHashHash> m_visitedLinkHashes;
    106         bool m_visitedLinksPopulated;
    107 
    108         unsigned m_identifier;
    109 #if ENABLE(DOM_STORAGE)
    110         RefPtr<StorageNamespace> m_localStorage;
    111 #endif
    112 
    113         OwnPtr<UserScriptMap> m_userScripts;
    114         OwnPtr<UserStyleSheetMap> m_userStyleSheets;
    115     };
    116 
    117 } // namespace WebCore
    118 
    119 #endif // PageGroup_h
    120