storage/src/mozStorageResultSet.cpp@97036ab72558 (annotated)
storage/src/mozStorageResultSet.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
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: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : |
| 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 |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include "mozStorageRow.h" |
| michael@0 | 8 | #include "mozStorageResultSet.h" |
| michael@0 | 9 | |
| michael@0 | 10 | namespace mozilla { |
| michael@0 | 11 | namespace storage { |
| michael@0 | 12 | |
| michael@0 | 13 | //////////////////////////////////////////////////////////////////////////////// |
| michael@0 | 14 | //// ResultSet |
| michael@0 | 15 | |
| michael@0 | 16 | ResultSet::ResultSet() |
| michael@0 | 17 | : mCurrentIndex(0) |
| michael@0 | 18 | { |
| michael@0 | 19 | } |
| michael@0 | 20 | |
| michael@0 | 21 | ResultSet::~ResultSet() |
| michael@0 | 22 | { |
| michael@0 | 23 | mData.Clear(); |
| michael@0 | 24 | } |
| michael@0 | 25 | |
| michael@0 | 26 | nsresult |
| michael@0 | 27 | ResultSet::add(mozIStorageRow *aRow) |
| michael@0 | 28 | { |
| michael@0 | 29 | return mData.AppendObject(aRow) ? NS_OK : NS_ERROR_OUT_OF_MEMORY; |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | /** |
| michael@0 | 33 | * Note: This object is only ever accessed on one thread at a time. It it not |
| michael@0 | 34 | * threadsafe, but it does need threadsafe AddRef and Release. |
| michael@0 | 35 | */ |
| michael@0 | 36 | NS_IMPL_ISUPPORTS( |
| michael@0 | 37 | ResultSet, |
| michael@0 | 38 | mozIStorageResultSet |
| michael@0 | 39 | ) |
| michael@0 | 40 | |
| michael@0 | 41 | //////////////////////////////////////////////////////////////////////////////// |
| michael@0 | 42 | //// mozIStorageResultSet |
| michael@0 | 43 | |
| michael@0 | 44 | NS_IMETHODIMP |
| michael@0 | 45 | ResultSet::GetNextRow(mozIStorageRow **_row) |
| michael@0 | 46 | { |
| michael@0 | 47 | NS_ENSURE_ARG_POINTER(_row); |
| michael@0 | 48 | |
| michael@0 | 49 | if (mCurrentIndex >= mData.Count()) { |
| michael@0 | 50 | // Just return null here |
| michael@0 | 51 | return NS_OK; |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | NS_ADDREF(*_row = mData.ObjectAt(mCurrentIndex++)); |
| michael@0 | 55 | return NS_OK; |
| michael@0 | 56 | } |
| michael@0 | 57 | |
| michael@0 | 58 | } // namespace storage |
| michael@0 | 59 | } // namespace mozilla |
