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#ifndef WebBlobData_h
32#define WebBlobData_h
33
34#include "WebThreadSafeData.h"
35#include "WebString.h"
36#include "WebURL.h"
37
38#if WEBKIT_IMPLEMENTATION
39namespace WebCore { class BlobData; }
40namespace WTF { template <typename T> class PassOwnPtr; }
41#endif
42
43namespace WebKit {
44
45class WebBlobDataPrivate;
46
47class WebBlobData {
48public:
49    struct Item {
50        enum { TypeData, TypeFile, TypeBlob } type;
51        WebThreadSafeData data;
52        WebString filePath;
53        WebURL blobURL;
54        long long offset;
55        long long length; // -1 means go to the end of the file/blob.
56        double expectedModificationTime; // 0.0 means that the time is not set.
57    };
58
59    ~WebBlobData() { reset(); }
60
61    WebBlobData() : m_private(0) { }
62
63    WEBKIT_API void initialize();
64    WEBKIT_API void reset();
65
66    bool isNull() const { return !m_private; }
67
68    // Returns the number of items.
69    WEBKIT_API size_t itemCount() const;
70
71    // Retrieves the values of the item at the given index.  Returns false if
72    // index is out of bounds.
73    WEBKIT_API bool itemAt(size_t index, Item& result) const;
74
75    WEBKIT_API WebString contentType() const;
76
77    WEBKIT_API WebString contentDisposition() const;
78
79#if WEBKIT_IMPLEMENTATION
80    WebBlobData(const WTF::PassOwnPtr<WebCore::BlobData>&);
81    WebBlobData& operator=(const WTF::PassOwnPtr<WebCore::BlobData>&);
82    operator WTF::PassOwnPtr<WebCore::BlobData>();
83#endif
84
85private:
86#if WEBKIT_IMPLEMENTATION
87    void assign(const WTF::PassOwnPtr<WebCore::BlobData>&);
88#endif
89    WebBlobDataPrivate* m_private;
90};
91
92} // namespace WebKit
93
94#endif // WebBlobData_h
95