1/*
2 * Copyright (C) 2010 Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "BlobData.h"
33
34#include "Blob.h"
35#include "BlobURL.h"
36
37namespace WebCore {
38
39BlobData::BlobData(const String& contentType)
40 : m_contentType(contentType)
41{
42 ASSERT(Blob::isNormalizedContentType(contentType));
43}
44
45const long long BlobDataItem::toEndOfFile = -1;
46
47long long BlobDataItem::length() const
48{
49 if (m_length != toEndOfFile)
50 return m_length;
51
52 switch (m_type) {
53 case Type::Data:
54 ASSERT_NOT_REACHED();
55 return m_length;
56 case Type::File:
57 return m_file->size();
58 }
59
60 ASSERT_NOT_REACHED();
61 return m_length;
62}
63
64void BlobData::appendData(const ThreadSafeDataBuffer& data)
65{
66 size_t dataSize = data.data() ? data.data()->size() : 0;
67 appendData(data, 0, dataSize);
68}
69
70void BlobData::appendData(const ThreadSafeDataBuffer& data, long long offset, long long length)
71{
72 m_items.append(BlobDataItem(data, offset, length));
73}
74
75void BlobData::appendFile(Ref<BlobDataFileReference>&& file)
76{
77 file->startTrackingModifications();
78 m_items.append(BlobDataItem(WTFMove(file)));
79}
80
81void BlobData::appendFile(BlobDataFileReference* file, long long offset, long long length)
82{
83 m_items.append(BlobDataItem(file, offset, length));
84}
85
86void BlobData::swapItems(BlobDataItemList& items)
87{
88 m_items.swap(items);
89}
90
91} // namespace WebCore
92