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