1/*
2 * Copyright (C) 2014 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 "LegacySessionStateCoding.h"
28
29#include "APIData.h"
30#include "DataReference.h"
31#include "Decoder.h"
32#include "Encoder.h"
33#include "SessionState.h"
34#include "WebCoreArgumentCoders.h"
35
36namespace WebKit {
37
38RefPtr<API::Data> encodeLegacySessionState(const SessionState& sessionState)
39{
40 // FIXME: I'm not sure whether these are the proper arguments for the encoder.
41 IPC::Encoder encoder("IPC", "LegacySessionState", 0);
42 encoder << sessionState.backForwardListState;
43 encoder << sessionState.renderTreeSize;
44 encoder << sessionState.provisionalURL;
45 return API::Data::create(encoder.buffer(), encoder.bufferSize());
46}
47
48bool decodeLegacySessionState(const uint8_t* data, size_t dataSize, SessionState& sessionState)
49{
50 IPC::Decoder decoder(data, dataSize, nullptr, Vector<IPC::Attachment>());
51 Optional<BackForwardListState> backForwardListState;
52 decoder >> backForwardListState;
53 if (!backForwardListState)
54 return false;
55 sessionState.backForwardListState = WTFMove(*backForwardListState);
56 if (!decoder.decode(sessionState.renderTreeSize))
57 return false;
58 if (!decoder.decode(sessionState.provisionalURL))
59 return false;
60 return true;
61}
62
63} // namespace WebKit
64