1 /*
   2  * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #pragma once
  27 
  28 #include <WebCore/SharedStringHash.h>
  29 #include <WebCore/VisitedLinkStore.h>
  30 
  31 class VisitedLinkStoreJava final : public WebCore::VisitedLinkStore {
  32 public:
  33     static Ref<VisitedLinkStoreJava> create();
  34     virtual ~VisitedLinkStoreJava();
  35 
  36     static void setShouldTrackVisitedLinks(bool);
  37     static void removeAllVisitedLinks();
  38 
  39     void addVisitedLink(const String& urlString);
  40 
  41 private:
  42     VisitedLinkStoreJava();
  43 
  44     bool isLinkVisited(WebCore::Page&, WebCore::SharedStringHash, const WebCore::URL& baseURL, const AtomicString& attributeURL) override;
  45     void addVisitedLink(WebCore::Page&, WebCore::SharedStringHash) override;
  46 
  47     void populateVisitedLinksIfNeeded(WebCore::Page&);
  48     void addVisitedLinkHash(WebCore::SharedStringHash);
  49     void removeVisitedLinkHashes();
  50 
  51     HashSet<WebCore::SharedStringHash, WebCore::SharedStringHashHash> m_visitedLinkHashes;
  52     bool m_visitedLinksPopulated;
  53 };
  54