dom/file/File.h@ac0c01689b40 (annotated)
dom/file/File.h
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=2 et sw=2 tw=80: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 5 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef mozilla_dom_file_file_h__ |
| michael@0 | 8 | #define mozilla_dom_file_file_h__ |
| michael@0 | 9 | |
| michael@0 | 10 | #include "mozilla/Attributes.h" |
| michael@0 | 11 | #include "FileCommon.h" |
| michael@0 | 12 | |
| michael@0 | 13 | #include "nsDOMFile.h" |
| michael@0 | 14 | |
| michael@0 | 15 | #include "LockedFile.h" |
| michael@0 | 16 | |
| michael@0 | 17 | BEGIN_FILE_NAMESPACE |
| michael@0 | 18 | |
| michael@0 | 19 | class File : public nsDOMFileCC |
| michael@0 | 20 | { |
| michael@0 | 21 | public: |
| michael@0 | 22 | NS_DECL_ISUPPORTS_INHERITED |
| michael@0 | 23 | |
| michael@0 | 24 | NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(File, nsDOMFileCC) |
| michael@0 | 25 | |
| michael@0 | 26 | // Create as a file |
| michael@0 | 27 | File(const nsAString& aName, const nsAString& aContentType, |
| michael@0 | 28 | uint64_t aLength, nsIFile* aFile, LockedFile* aLockedFile) |
| michael@0 | 29 | : nsDOMFileCC(aName, aContentType, aLength), |
| michael@0 | 30 | mFile(aFile), mLockedFile(aLockedFile), |
| michael@0 | 31 | mWholeFile(true), mStoredFile(false) |
| michael@0 | 32 | { |
| michael@0 | 33 | NS_ASSERTION(mFile, "Null file!"); |
| michael@0 | 34 | NS_ASSERTION(mLockedFile, "Null locked file!"); |
| michael@0 | 35 | } |
| michael@0 | 36 | |
| michael@0 | 37 | // Create as a stored file |
| michael@0 | 38 | File(const nsAString& aName, const nsAString& aContentType, |
| michael@0 | 39 | uint64_t aLength, nsIFile* aFile, LockedFile* aLockedFile, |
| michael@0 | 40 | FileInfo* aFileInfo) |
| michael@0 | 41 | : nsDOMFileCC(aName, aContentType, aLength), |
| michael@0 | 42 | mFile(aFile), mLockedFile(aLockedFile), |
| michael@0 | 43 | mWholeFile(true), mStoredFile(true) |
| michael@0 | 44 | { |
| michael@0 | 45 | NS_ASSERTION(mFile, "Null file!"); |
| michael@0 | 46 | NS_ASSERTION(mLockedFile, "Null locked file!"); |
| michael@0 | 47 | mFileInfos.AppendElement(aFileInfo); |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | // Overrides |
| michael@0 | 51 | NS_IMETHOD |
| michael@0 | 52 | GetMozFullPathInternal(nsAString& aFullPath) MOZ_OVERRIDE; |
| michael@0 | 53 | |
| michael@0 | 54 | NS_IMETHOD |
| michael@0 | 55 | GetInternalStream(nsIInputStream** aStream) MOZ_OVERRIDE; |
| michael@0 | 56 | |
| michael@0 | 57 | protected: |
| michael@0 | 58 | // Create slice |
| michael@0 | 59 | File(const File* aOther, uint64_t aStart, uint64_t aLength, |
| michael@0 | 60 | const nsAString& aContentType); |
| michael@0 | 61 | |
| michael@0 | 62 | virtual ~File() |
| michael@0 | 63 | { } |
| michael@0 | 64 | |
| michael@0 | 65 | virtual already_AddRefed<nsIDOMBlob> |
| michael@0 | 66 | CreateSlice(uint64_t aStart, uint64_t aLength, |
| michael@0 | 67 | const nsAString& aContentType) MOZ_OVERRIDE; |
| michael@0 | 68 | |
| michael@0 | 69 | virtual bool |
| michael@0 | 70 | IsStoredFile() const MOZ_OVERRIDE |
| michael@0 | 71 | { |
| michael@0 | 72 | return mStoredFile; |
| michael@0 | 73 | } |
| michael@0 | 74 | |
| michael@0 | 75 | virtual bool |
| michael@0 | 76 | IsWholeFile() const MOZ_OVERRIDE |
| michael@0 | 77 | { |
| michael@0 | 78 | return mWholeFile; |
| michael@0 | 79 | } |
| michael@0 | 80 | |
| michael@0 | 81 | virtual bool |
| michael@0 | 82 | IsSnapshot() const MOZ_OVERRIDE |
| michael@0 | 83 | { |
| michael@0 | 84 | return true; |
| michael@0 | 85 | } |
| michael@0 | 86 | |
| michael@0 | 87 | private: |
| michael@0 | 88 | nsCOMPtr<nsIFile> mFile; |
| michael@0 | 89 | nsRefPtr<LockedFile> mLockedFile; |
| michael@0 | 90 | |
| michael@0 | 91 | bool mWholeFile; |
| michael@0 | 92 | bool mStoredFile; |
| michael@0 | 93 | }; |
| michael@0 | 94 | |
| michael@0 | 95 | END_FILE_NAMESPACE |
| michael@0 | 96 | |
| michael@0 | 97 | #endif // mozilla_dom_file_file_h__ |
