1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 * Copyright (C) 2017 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 * * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#pragma once
33
34#include "DataTransfer.h"
35#include "ScriptWrappable.h"
36#include <wtf/Forward.h>
37#include <wtf/RefCounted.h>
38#include <wtf/WeakPtr.h>
39#include <wtf/text/AtomicString.h>
40
41namespace WebCore {
42
43class DOMFileSystem;
44class DataTransferListItem;
45class File;
46class FileSystemEntry;
47class ScriptExecutionContext;
48class StringCallback;
49
50class DataTransferItem : public RefCounted<DataTransferItem> {
51public:
52 static Ref<DataTransferItem> create(WeakPtr<DataTransferItemList>&&, const String&);
53 static Ref<DataTransferItem> create(WeakPtr<DataTransferItemList>&&, const String&, Ref<File>&&);
54
55 ~DataTransferItem();
56
57 RefPtr<File> file() { return m_file; }
58 void clearListAndPutIntoDisabledMode();
59
60 bool isFile() const { return m_file; }
61 String kind() const;
62 String type() const;
63 void getAsString(Document&, RefPtr<StringCallback>&&) const;
64 RefPtr<File> getAsFile() const;
65 RefPtr<FileSystemEntry> getAsEntry(ScriptExecutionContext&) const;
66
67private:
68 DataTransferItem(WeakPtr<DataTransferItemList>&&, const String&);
69 DataTransferItem(WeakPtr<DataTransferItemList>&&, const String&, Ref<File>&&);
70
71 bool isInDisabledMode() const { return !m_list; }
72
73 WeakPtr<DataTransferItemList> m_list;
74 const String m_type;
75 RefPtr<File> m_file;
76};
77
78}
79