1/*
2 * Copyright (C) 2017 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "ExceptionOr.h"
29#include "FileSystemDirectoryEntry.h"
30#include "ScriptWrappable.h"
31#include <wtf/RefCounted.h>
32#include <wtf/WorkQueue.h>
33#include <wtf/text/WTFString.h>
34
35namespace WebCore {
36
37class File;
38class FileSystemFileEntry;
39class FileSystemEntry;
40class ScriptExecutionContext;
41
42class DOMFileSystem final : public ScriptWrappable, public RefCounted<DOMFileSystem> {
43 WTF_MAKE_ISO_ALLOCATED(DOMFileSystem);
44public:
45 static Ref<FileSystemEntry> createEntryForFile(ScriptExecutionContext& context, Ref<File>&& file)
46 {
47 auto fileSystem = adoptRef(*new DOMFileSystem(WTFMove(file)));
48 return fileSystem->fileAsEntry(context);
49 }
50
51 ~DOMFileSystem();
52
53 const String& name() const { return m_name; }
54 Ref<FileSystemDirectoryEntry> root(ScriptExecutionContext&);
55
56 using DirectoryListingCallback = WTF::Function<void(ExceptionOr<Vector<Ref<FileSystemEntry>>>&&)>;
57 void listDirectory(ScriptExecutionContext&, FileSystemDirectoryEntry&, DirectoryListingCallback&&);
58
59 using GetParentCallback = WTF::Function<void(ExceptionOr<Ref<FileSystemDirectoryEntry>>&&)>;
60 void getParent(ScriptExecutionContext&, FileSystemEntry&, GetParentCallback&&);
61
62 using GetEntryCallback = WTF::Function<void(ExceptionOr<Ref<FileSystemEntry>>&&)>;
63 void getEntry(ScriptExecutionContext&, FileSystemDirectoryEntry&, const String& virtualPath, const FileSystemDirectoryEntry::Flags&, GetEntryCallback&&);
64
65 using GetFileCallback = WTF::Function<void(ExceptionOr<Ref<File>>&&)>;
66 void getFile(ScriptExecutionContext&, FileSystemFileEntry&, GetFileCallback&&);
67
68private:
69 explicit DOMFileSystem(Ref<File>&&);
70
71 String evaluatePath(StringView virtualPath);
72 Ref<FileSystemEntry> fileAsEntry(ScriptExecutionContext&);
73
74 String m_name;
75 Ref<File> m_file;
76 String m_rootPath;
77 Ref<WorkQueue> m_workQueue;
78};
79
80} // namespace WebCore
81