dom/file/ArchiveZipFile.h

changeset 0
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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #ifndef mozilla_dom_file_domarchivefile_h__
8 #define mozilla_dom_file_domarchivefile_h__
9
10 #include "mozilla/Attributes.h"
11 #include "nsDOMFile.h"
12
13 #include "ArchiveReader.h"
14
15 #include "FileCommon.h"
16 #include "zipstruct.h"
17
18 BEGIN_FILE_NAMESPACE
19
20 /**
21 * ZipFile to DOMFileCC
22 */
23 class ArchiveZipFile : public nsDOMFileCC
24 {
25 public:
26 ArchiveZipFile(const nsAString& aName,
27 const nsAString& aContentType,
28 uint64_t aLength,
29 ZipCentral& aCentral,
30 ArchiveReader* aReader)
31 : nsDOMFileCC(aName, aContentType, aLength),
32 mCentral(aCentral),
33 mArchiveReader(aReader),
34 mFilename(aName)
35 {
36 NS_ASSERTION(mArchiveReader, "must have a reader");
37 MOZ_COUNT_CTOR(ArchiveZipFile);
38 }
39
40 ArchiveZipFile(const nsAString& aName,
41 const nsAString& aContentType,
42 uint64_t aStart,
43 uint64_t aLength,
44 ZipCentral& aCentral,
45 ArchiveReader* aReader)
46 : nsDOMFileCC(aContentType, aStart, aLength),
47 mCentral(aCentral),
48 mArchiveReader(aReader),
49 mFilename(aName)
50 {
51 NS_ASSERTION(mArchiveReader, "must have a reader");
52 MOZ_COUNT_CTOR(ArchiveZipFile);
53 }
54
55 virtual ~ArchiveZipFile()
56 {
57 MOZ_COUNT_DTOR(ArchiveZipFile);
58 }
59
60 // Overrides:
61 NS_IMETHOD GetInternalStream(nsIInputStream**) MOZ_OVERRIDE;
62
63 NS_DECL_ISUPPORTS_INHERITED
64 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ArchiveZipFile, nsDOMFileCC)
65
66 protected:
67 virtual already_AddRefed<nsIDOMBlob> CreateSlice(uint64_t aStart,
68 uint64_t aLength,
69 const nsAString& aContentType) MOZ_OVERRIDE;
70
71 private: // Data
72 ZipCentral mCentral;
73 nsRefPtr<ArchiveReader> mArchiveReader;
74
75 nsString mFilename;
76 };
77
78 END_FILE_NAMESPACE
79
80 #endif // mozilla_dom_file_domarchivefile_h__

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