WebBackForwardListItem.cpp revision 2fc2651226baac27029e38c9d6ef883fa32084db 
1/*
2 * Copyright (C) 2010, 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 "WebBackForwardListItem.h"
28
29#include "DataReference.h"
30#include "WebCoreArgumentCoders.h"
31
32namespace WebKit {
33
34static uint64_t highestUsedItemID = 0;
35
36WebBackForwardListItem::WebBackForwardListItem(const String& originalURL, const String& url, const String& title, const uint8_t* backForwardData, size_t backForwardDataSize, uint64_t itemID)
37    : m_originalURL(originalURL)
38    , m_url(url)
39    , m_title(title)
40    , m_itemID(itemID)
41{
42    if (m_itemID > highestUsedItemID)
43        highestUsedItemID = m_itemID;
44
45    setBackForwardData(backForwardData, backForwardDataSize);
46}
47
48WebBackForwardListItem::~WebBackForwardListItem()
49{
50}
51
52uint64_t WebBackForwardListItem::highedUsedItemID()
53{
54    return highestUsedItemID;
55}
56
57void WebBackForwardListItem::setBackForwardData(const uint8_t* data, size_t size)
58{
59    m_backForwardData.reserveCapacity(size);
60    m_backForwardData.append(data, size);
61}
62
63void WebBackForwardListItem::encode(CoreIPC::ArgumentEncoder& encoder) const
64{
65    encoder.encode(m_originalURL);
66    encoder.encode(m_url);
67    encoder.encode(m_title);
68    encoder.encode(m_itemID);
69    encoder.encode(CoreIPC::DataReference(m_backForwardData.data(), m_backForwardData.size()));
70}
71
72PassRefPtr<WebBackForwardListItem> WebBackForwardListItem::decode(CoreIPC::ArgumentDecoder& decoder)
73{
74    String originalURL;
75    if (!decoder.decode(originalURL))
76        return 0;
77
78    String url;
79    if (!decoder.decode(url))
80        return 0;
81
82    String title;
83    if (!decoder.decode(title))
84        return 0;
85
86    uint64_t itemID;
87    if (!decoder.decode(itemID))
88        return 0;
89
90    CoreIPC::DataReference data;
91    if (!decoder.decode(data))
92        return 0;
93
94    return create(originalURL, url, title, data.data(), data.size(), itemID);
95}
96
97} // namespace WebKit
98