1/*
2 * Copyright (C) 2011 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 DataTransferItem_h
32#define DataTransferItem_h
33
34#if ENABLE(DATA_TRANSFER_ITEMS)
35
36#include <wtf/Forward.h>
37#include <wtf/RefCounted.h>
38
39namespace WebCore {
40
41class Blob;
42class File;
43class StringCallback;
44class ScriptExecutionContext;
45
46class DataTransferItem : public RefCounted<DataTransferItem> {
47public:
48    virtual ~DataTransferItem() { }
49
50    static const char kindString[];
51    static const char kindFile[];
52
53    virtual String kind() const = 0;
54    virtual String type() const = 0;
55
56    virtual void getAsString(PassRefPtr<StringCallback>) const = 0;
57    virtual PassRefPtr<Blob> getAsFile() const = 0;
58};
59
60} // namespace WebCore
61
62#endif // ENABLE(DATA_TRANSFER_ITEMS)
63
64#endif // DataTransferItem_h
65