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 DirectoryReaderSync_h
32#define DirectoryReaderSync_h
33
34#include "bindings/core/v8/ScriptWrappable.h"
35#include "core/fileapi/FileError.h"
36#include "modules/filesystem/DirectoryReaderBase.h"
37#include "platform/heap/Handle.h"
38#include "wtf/text/WTFString.h"
39
40namespace blink {
41
42class EntrySync;
43class ExceptionState;
44
45typedef HeapVector<Member<EntrySync> > EntrySyncHeapVector;
46
47class DirectoryReaderSync : public DirectoryReaderBase, public ScriptWrappable {
48    DEFINE_WRAPPERTYPEINFO();
49public:
50    static DirectoryReaderSync* create(DOMFileSystemBase* fileSystem, const String& fullPath)
51    {
52        return new DirectoryReaderSync(fileSystem, fullPath);
53    }
54
55    virtual ~DirectoryReaderSync();
56
57    EntrySyncHeapVector readEntries(ExceptionState&);
58
59    void addEntries(const EntrySyncHeapVector& entries)
60    {
61        m_entries.appendVector(entries);
62    }
63
64    void setError(FileError::ErrorCode code)
65    {
66        m_errorCode = code;
67    }
68
69    virtual void trace(Visitor*) OVERRIDE;
70
71private:
72    class EntriesCallbackHelper;
73    class ErrorCallbackHelper;
74
75    DirectoryReaderSync(DOMFileSystemBase*, const String& fullPath);
76
77    int m_callbacksId;
78    EntrySyncHeapVector m_entries;
79    FileError::ErrorCode m_errorCode;
80};
81
82} // namespace blink
83
84#endif // DirectoryReaderSync_h
85