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
31namespace CoreIPC {
32    class ArgumentDecoder;
33    class ArgumentEncoder;
34}
35
36namespace WebKit {
37
38class SessionState {
39public:
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
51private:
52    BackForwardListItemVector m_list;
53    uint32_t m_currentIndex;
54};
55
56} // namespace WebKit
57
58#endif // SessionState_h
59