1/*
2 * Copyright (C) 2008-2019 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "File.h"
29#include "ScriptWrappable.h"
30#include <wtf/IsoMalloc.h>
31#include <wtf/RefCounted.h>
32#include <wtf/RefPtr.h>
33#include <wtf/Vector.h>
34
35namespace WebCore {
36
37class FileList final : public ScriptWrappable, public RefCounted<FileList> {
38 WTF_MAKE_ISO_ALLOCATED_EXPORT(FileList, WEBCORE_EXPORT);
39public:
40 static Ref<FileList> create()
41 {
42 return adoptRef(*new FileList);
43 }
44
45 static Ref<FileList> create(Vector<Ref<File>>&& files)
46 {
47 return adoptRef(*new FileList(WTFMove(files)));
48 }
49
50 unsigned length() const { return m_files.size(); }
51 WEBCORE_EXPORT File* item(unsigned index) const;
52
53 bool isEmpty() const { return m_files.isEmpty(); }
54 Vector<String> paths() const;
55
56 const Vector<Ref<File>>& files() const { return m_files; }
57 const File& file(unsigned index) const { return m_files[index].get(); }
58
59private:
60 FileList() = default;
61 FileList(Vector<Ref<File>>&& files)
62 : m_files(WTFMove(files))
63 {
64 }
65
66 // FileLists can only be changed by their owners.
67 friend class DataTransfer;
68 friend class FileInputType;
69 void append(Ref<File>&& file) { m_files.append(WTFMove(file)); }
70 void clear() { m_files.clear(); }
71
72 Vector<Ref<File>> m_files;
73};
74
75} // namespace WebCore
76