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 "ActiveDOMObject.h" |
29 | #include "Exception.h" |
30 | #include "ScriptWrappable.h" |
31 | #include <wtf/RefCounted.h> |
32 | #include <wtf/text/WTFString.h> |
33 | |
34 | namespace WebCore { |
35 | |
36 | class ErrorCallback; |
37 | class FileSystemDirectoryEntry; |
38 | class FileSystemEntriesCallback; |
39 | class ScriptExecutionContext; |
40 | |
41 | class FileSystemDirectoryReader final : public ScriptWrappable, public ActiveDOMObject, public RefCounted<FileSystemDirectoryReader> { |
42 | WTF_MAKE_ISO_ALLOCATED(FileSystemDirectoryReader); |
43 | public: |
44 | static Ref<FileSystemDirectoryReader> create(ScriptExecutionContext& context, FileSystemDirectoryEntry& directory) |
45 | { |
46 | return adoptRef(*new FileSystemDirectoryReader(context, directory)); |
47 | } |
48 | |
49 | ~FileSystemDirectoryReader(); |
50 | |
51 | void readEntries(ScriptExecutionContext&, Ref<FileSystemEntriesCallback>&&, RefPtr<ErrorCallback>&&); |
52 | |
53 | private: |
54 | FileSystemDirectoryReader(ScriptExecutionContext&, FileSystemDirectoryEntry&); |
55 | |
56 | const char* activeDOMObjectName() const final; |
57 | bool canSuspendForDocumentSuspension() const final; |
58 | |
59 | Ref<FileSystemDirectoryEntry> m_directory; |
60 | Optional<Exception> m_error; |
61 | bool m_isReading { false }; |
62 | bool m_isDone { false }; |
63 | }; |
64 | |
65 | } |
66 | |