dom/file/File.cpp@6474c204b198 (annotated)
dom/file/File.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| 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 | #include "File.h" |
| michael@0 | 8 | |
| michael@0 | 9 | #include "LockedFile.h" |
| michael@0 | 10 | |
| michael@0 | 11 | USING_FILE_NAMESPACE |
| michael@0 | 12 | using mozilla::dom::indexedDB::IndexedDatabaseManager; |
| michael@0 | 13 | |
| michael@0 | 14 | // Create slice |
| michael@0 | 15 | File::File(const File* aOther, uint64_t aStart, uint64_t aLength, |
| michael@0 | 16 | const nsAString& aContentType) |
| michael@0 | 17 | : nsDOMFileCC(aContentType, aOther->mStart + aStart, aLength), |
| michael@0 | 18 | mFile(aOther->mFile), mLockedFile(aOther->mLockedFile), |
| michael@0 | 19 | mWholeFile(false), mStoredFile(aOther->mStoredFile) |
| michael@0 | 20 | { |
| michael@0 | 21 | NS_ASSERTION(mFile, "Null file!"); |
| michael@0 | 22 | NS_ASSERTION(mLockedFile, "Null locked file!"); |
| michael@0 | 23 | |
| michael@0 | 24 | if (mStoredFile) { |
| michael@0 | 25 | FileInfo* fileInfo; |
| michael@0 | 26 | |
| michael@0 | 27 | if (IndexedDatabaseManager::IsClosed()) { |
| michael@0 | 28 | fileInfo = aOther->GetFileInfo(); |
| michael@0 | 29 | } |
| michael@0 | 30 | else { |
| michael@0 | 31 | MutexAutoLock lock(IndexedDatabaseManager::FileMutex()); |
| michael@0 | 32 | fileInfo = aOther->GetFileInfo(); |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | mFileInfos.AppendElement(fileInfo); |
| michael@0 | 36 | } |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | NS_IMPL_CYCLE_COLLECTION_INHERITED(File, nsDOMFileCC, |
| michael@0 | 40 | mLockedFile) |
| michael@0 | 41 | |
| michael@0 | 42 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(File) |
| michael@0 | 43 | NS_INTERFACE_MAP_END_INHERITING(nsDOMFileCC) |
| michael@0 | 44 | |
| michael@0 | 45 | NS_IMPL_ADDREF_INHERITED(File, nsDOMFileCC) |
| michael@0 | 46 | NS_IMPL_RELEASE_INHERITED(File, nsDOMFileCC) |
| michael@0 | 47 | |
| michael@0 | 48 | NS_IMETHODIMP |
| michael@0 | 49 | File::GetInternalStream(nsIInputStream **aStream) |
| michael@0 | 50 | { |
| michael@0 | 51 | NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); |
| michael@0 | 52 | |
| michael@0 | 53 | nsresult rv = mLockedFile->OpenInputStream(mWholeFile, mStart, mLength, |
| michael@0 | 54 | aStream); |
| michael@0 | 55 | NS_ENSURE_SUCCESS(rv, rv); |
| michael@0 | 56 | |
| michael@0 | 57 | return NS_OK; |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | already_AddRefed<nsIDOMBlob> |
| michael@0 | 61 | File::CreateSlice(uint64_t aStart, uint64_t aLength, |
| michael@0 | 62 | const nsAString& aContentType) |
| michael@0 | 63 | { |
| michael@0 | 64 | NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); |
| michael@0 | 65 | |
| michael@0 | 66 | nsCOMPtr<nsIDOMBlob> t = |
| michael@0 | 67 | new File(this, aStart, aLength, aContentType); |
| michael@0 | 68 | return t.forget(); |
| michael@0 | 69 | } |
| michael@0 | 70 | |
| michael@0 | 71 | NS_IMETHODIMP |
| michael@0 | 72 | File::GetMozFullPathInternal(nsAString &aFilename) |
| michael@0 | 73 | { |
| michael@0 | 74 | NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); |
| michael@0 | 75 | NS_ASSERTION(mIsFile, "Should only be called on files"); |
| michael@0 | 76 | |
| michael@0 | 77 | return mFile->GetPath(aFilename); |
| michael@0 | 78 | } |
