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 FileWriterSync_h
32#define FileWriterSync_h
33
34#if ENABLE(FILE_SYSTEM)
35
36#include "ActiveDOMObject.h"
37#include "FileError.h"
38#include "FileWriterBase.h"
39#include <wtf/PassRefPtr.h>
40
41namespace WebCore {
42
43class Blob;
44
45typedef int ExceptionCode;
46
47class FileWriterSync : public FileWriterBase, public AsyncFileWriterClient {
48public:
49    static PassRefPtr<FileWriterSync> create()
50    {
51        return adoptRef(new FileWriterSync());
52    }
53    virtual ~FileWriterSync();
54
55    // FileWriterBase
56    void write(Blob*, ExceptionCode&);
57    void seek(long long position, ExceptionCode&);
58    void truncate(long long length, ExceptionCode&);
59
60    // AsyncFileWriterClient, via FileWriterBase
61    void didWrite(long long bytes, bool complete);
62    void didTruncate();
63    void didFail(FileError::ErrorCode);
64
65private:
66    FileWriterSync();
67    void prepareForWrite();
68
69    FileError::ErrorCode m_error;
70#ifndef NDEBUG
71    bool m_complete;
72#endif
73};
74
75} // namespace WebCore
76
77#endif // ENABLE(FILE_SYSTEM)
78
79#endif // FileWriter_h
80