dom/file/File.h

branch
TOR_BUG_9701
changeset 10
ac0c01689b40
equal deleted inserted replaced
-1:000000000000 0:b1cc1419c9db
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_file_h__
8 #define mozilla_dom_file_file_h__
9
10 #include "mozilla/Attributes.h"
11 #include "FileCommon.h"
12
13 #include "nsDOMFile.h"
14
15 #include "LockedFile.h"
16
17 BEGIN_FILE_NAMESPACE
18
19 class File : public nsDOMFileCC
20 {
21 public:
22 NS_DECL_ISUPPORTS_INHERITED
23
24 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(File, nsDOMFileCC)
25
26 // Create as a file
27 File(const nsAString& aName, const nsAString& aContentType,
28 uint64_t aLength, nsIFile* aFile, LockedFile* aLockedFile)
29 : nsDOMFileCC(aName, aContentType, aLength),
30 mFile(aFile), mLockedFile(aLockedFile),
31 mWholeFile(true), mStoredFile(false)
32 {
33 NS_ASSERTION(mFile, "Null file!");
34 NS_ASSERTION(mLockedFile, "Null locked file!");
35 }
36
37 // Create as a stored file
38 File(const nsAString& aName, const nsAString& aContentType,
39 uint64_t aLength, nsIFile* aFile, LockedFile* aLockedFile,
40 FileInfo* aFileInfo)
41 : nsDOMFileCC(aName, aContentType, aLength),
42 mFile(aFile), mLockedFile(aLockedFile),
43 mWholeFile(true), mStoredFile(true)
44 {
45 NS_ASSERTION(mFile, "Null file!");
46 NS_ASSERTION(mLockedFile, "Null locked file!");
47 mFileInfos.AppendElement(aFileInfo);
48 }
49
50 // Overrides
51 NS_IMETHOD
52 GetMozFullPathInternal(nsAString& aFullPath) MOZ_OVERRIDE;
53
54 NS_IMETHOD
55 GetInternalStream(nsIInputStream** aStream) MOZ_OVERRIDE;
56
57 protected:
58 // Create slice
59 File(const File* aOther, uint64_t aStart, uint64_t aLength,
60 const nsAString& aContentType);
61
62 virtual ~File()
63 { }
64
65 virtual already_AddRefed<nsIDOMBlob>
66 CreateSlice(uint64_t aStart, uint64_t aLength,
67 const nsAString& aContentType) MOZ_OVERRIDE;
68
69 virtual bool
70 IsStoredFile() const MOZ_OVERRIDE
71 {
72 return mStoredFile;
73 }
74
75 virtual bool
76 IsWholeFile() const MOZ_OVERRIDE
77 {
78 return mWholeFile;
79 }
80
81 virtual bool
82 IsSnapshot() const MOZ_OVERRIDE
83 {
84 return true;
85 }
86
87 private:
88 nsCOMPtr<nsIFile> mFile;
89 nsRefPtr<LockedFile> mLockedFile;
90
91 bool mWholeFile;
92 bool mStoredFile;
93 };
94
95 END_FILE_NAMESPACE
96
97 #endif // mozilla_dom_file_file_h__

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