/*

 * Copyright (C) 2008 Apple Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#ifndef PageGroup_h

#define PageGroup_h

#include <wtf/HashSet.h>

#include <wtf/Noncopyable.h>

#include "LinkHash.h"

#include "StringHash.h"

#include "UserScript.h"

#include "UserStyleSheet.h"

namespace WebCore {

    class KURL;

    class IndexedDatabase;

    class Page;

    class StorageNamespace;

    class PageGroup : public Noncopyable {

    public:

        PageGroup(const String& name);

        PageGroup(Page*);

        ~PageGroup();

        static PageGroup* pageGroup(const String& groupName);

        static void closeLocalStorage();

        const HashSet<Page*>& pages() const { return m_pages; }

        void addPage(Page*);

        void removePage(Page*);

        bool isLinkVisited(LinkHash);

        void addVisitedLink(const KURL&);

        void addVisitedLink(const UChar*, size_t);

        void removeVisitedLinks();

        static void setShouldTrackVisitedLinks(bool);

        static void removeAllVisitedLinks();

        const String& name() { return m_name; }

        unsigned identifier() { return m_identifier; }

#if ENABLE(DOM_STORAGE)

        StorageNamespace* localStorage();

        bool hasLocalStorage() { return m_localStorage; }

#endif

#if ENABLE(INDEXED_DATABASE)

        IndexedDatabase* indexedDatabase();

#endif

        void addUserScriptToWorld(DOMWrapperWorld*, const String& source, const KURL&,

                                  PassOwnPtr<Vector<String> > whitelist, PassOwnPtr<Vector<String> > blacklist,

                                  UserScriptInjectionTime, UserContentInjectedFrames);

        void addUserStyleSheetToWorld(DOMWrapperWorld*, const String& source, const KURL&,

                                      PassOwnPtr<Vector<String> > whitelist, PassOwnPtr<Vector<String> > blacklist,

                                      UserContentInjectedFrames);

        void removeUserScriptFromWorld(DOMWrapperWorld*, const KURL&);

        void removeUserStyleSheetFromWorld(DOMWrapperWorld*, const KURL&);

        void removeUserScriptsFromWorld(DOMWrapperWorld*);

        void removeUserStyleSheetsFromWorld(DOMWrapperWorld*);

        void removeAllUserContent();

        const UserScriptMap* userScripts() const { return m_userScripts.get(); }

        const UserStyleSheetMap* userStyleSheets() const { return m_userStyleSheets.get(); }

    private:

        void addVisitedLink(LinkHash stringHash);

        void resetUserStyleCacheInAllFrames();

        String m_name;

        HashSet<Page*> m_pages;

        HashSet<LinkHash, LinkHashHash> m_visitedLinkHashes;

        bool m_visitedLinksPopulated;

        unsigned m_identifier;

#if ENABLE(DOM_STORAGE)

        RefPtr<StorageNamespace> m_localStorage;

#endif

#if ENABLE(INDEXED_DATABASE)

        RefPtr<IndexedDatabase> m_indexedDatabase;

#endif

        OwnPtr<UserScriptMap> m_userScripts;

        OwnPtr<UserStyleSheetMap> m_userStyleSheets;

    };

} // namespace WebCore

#endif // PageGroup_h