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#include "bindings/core/v8/ScriptWrappable.h"
35#include "core/fileapi/FileError.h"
36#include "modules/filesystem/FileWriterBase.h"
37#include "platform/heap/Handle.h"
38#include "public/platform/WebFileWriterClient.h"
39
40namespace blink {
41
42class Blob;
43class ExceptionState;
44
45class FileWriterSync FINAL : public FileWriterBase, public ScriptWrappable, public WebFileWriterClient {
46    DEFINE_WRAPPERTYPEINFO();
47public:
48    static FileWriterSync* create()
49    {
50        return adoptRefCountedGarbageCollectedWillBeNoop(new FileWriterSync());
51    }
52    virtual ~FileWriterSync();
53
54    // FileWriterBase
55    void write(Blob*, ExceptionState&);
56    void seek(long long position, ExceptionState&);
57    void truncate(long long length, ExceptionState&);
58
59    // WebFileWriterClient, via FileWriterBase
60    virtual void didWrite(long long bytes, bool complete) OVERRIDE;
61    virtual void didTruncate() OVERRIDE;
62    virtual void didFail(WebFileError) OVERRIDE;
63
64private:
65    FileWriterSync();
66    void prepareForWrite();
67
68    FileError::ErrorCode m_error;
69#if ENABLE(ASSERT)
70    bool m_complete;
71#endif
72};
73
74} // namespace blink
75
76#endif // FileWriter_h
77