FileReaderSync.h revision cad810f21b803229eb11403f9209855525a25d57 
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 FileReaderSync_h
32#define FileReaderSync_h
33
34#if ENABLE(BLOB)
35
36#include "ExceptionCode.h"
37#include <wtf/Forward.h>
38#include <wtf/RefCounted.h>
39#include <wtf/text/WTFString.h>
40
41namespace WebCore {
42
43class ArrayBuffer;
44class Blob;
45class FileReaderLoader;
46class ScriptExecutionContext;
47
48class FileReaderSync : public RefCounted<FileReaderSync> {
49public:
50    static PassRefPtr<FileReaderSync> create()
51    {
52        return adoptRef(new FileReaderSync());
53    }
54
55    virtual ~FileReaderSync() { }
56
57    PassRefPtr<ArrayBuffer> readAsArrayBuffer(ScriptExecutionContext*, Blob*, ExceptionCode&);
58    String readAsBinaryString(ScriptExecutionContext*, Blob*, ExceptionCode&);
59    String readAsText(ScriptExecutionContext* scriptExecutionContext, Blob* blob, ExceptionCode& ec)
60    {
61        return readAsText(scriptExecutionContext, blob, "", ec);
62    }
63    String readAsText(ScriptExecutionContext*, Blob*, const String& encoding, ExceptionCode&);
64    String readAsDataURL(ScriptExecutionContext*, Blob*, ExceptionCode&);
65
66private:
67    FileReaderSync();
68
69    void startLoading(ScriptExecutionContext*, FileReaderLoader&, Blob*, ExceptionCode&);
70};
71
72} // namespace WebCore
73
74#endif // ENABLE(BLOB)
75
76#endif // FileReaderSync_h
77