Home | History | Annotate | Download | only in Shared 
      1 /*
      2  * Copyright (C) 2011 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. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef SessionState_h
     27 #define SessionState_h
     28 
     29 #include "WebBackForwardList.h"
     30 
     31 namespace CoreIPC {
     32     class ArgumentDecoder;
     33     class ArgumentEncoder;
     34 }
     35 
     36 namespace WebKit {
     37 
     38 class SessionState {
     39 public:
     40     SessionState();
     41     SessionState(const BackForwardListItemVector&, uint32_t currentIndex);
     42 
     43     const BackForwardListItemVector& list() const { return m_list; }
     44     uint32_t currentIndex() const { return m_currentIndex; }
     45 
     46     bool isEmpty() const;
     47 
     48     void encode(CoreIPC::ArgumentEncoder*) const;
     49     static bool decode(CoreIPC::ArgumentDecoder*, SessionState&);
     50 
     51 private:
     52     BackForwardListItemVector m_list;
     53     uint32_t m_currentIndex;
     54 };
     55 
     56 } // namespace WebKit
     57 
     58 #endif // SessionState_h
     59