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 #include "config.h"
27 #include "SessionState.h"
28
29 namespace CoreIPC {
30
31 // This assumes that when we encode a RefPtr we want to encode the object it points to and it is never null.
32 template<typename T> struct ArgumentCoder<RefPtr<T> > {
encodeCoreIPC::ArgumentCoder33 static void encode(ArgumentEncoder* encoder, const RefPtr<T>& item)
34 {
35 item->encode(*encoder);
36 }
37
decodeCoreIPC::ArgumentCoder38 static bool decode(ArgumentDecoder* decoder, RefPtr<T>& item)
39 {
40 item = T::decode(*decoder);
41 return item;
42 }
43 };
44
45 } // namespace CoreIPC
46
47 namespace WebKit {
48
SessionState()49 SessionState::SessionState()
50 : m_currentIndex(0)
51 {
52 }
53
SessionState(const BackForwardListItemVector & list,uint32_t currentIndex)54 SessionState::SessionState(const BackForwardListItemVector& list, uint32_t currentIndex)
55 : m_list(list)
56 , m_currentIndex(currentIndex)
57 {
58 }
59
isEmpty() const60 bool SessionState::isEmpty() const
61 {
62 // Because this might change later, callers should use this instead of
63 // calling list().isEmpty() directly themselves.
64 return m_list.isEmpty();
65 }
66
encode(CoreIPC::ArgumentEncoder * encoder) const67 void SessionState::encode(CoreIPC::ArgumentEncoder* encoder) const
68 {
69 encoder->encode(m_list);
70 encoder->encode(m_currentIndex);
71 }
72
decode(CoreIPC::ArgumentDecoder * decoder,SessionState & state)73 bool SessionState::decode(CoreIPC::ArgumentDecoder* decoder, SessionState& state)
74 {
75 if (!decoder->decode(state.m_list))
76 return false;
77 if (!decoder->decode(state.m_currentIndex))
78 return false;
79 return true;
80 }
81
82 } // namespace WebKit
83