Tue, 06 Jan 2015 21:39:09 +0100
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: 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 |
michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 6 | |
michael@0 | 7 | #include "InterfaceInitFuncs.h" |
michael@0 | 8 | |
michael@0 | 9 | #include "Accessible-inl.h" |
michael@0 | 10 | #include "HyperTextAccessible.h" |
michael@0 | 11 | #include "nsMai.h" |
michael@0 | 12 | #include "nsMaiHyperlink.h" |
michael@0 | 13 | #include "mozilla/Likely.h" |
michael@0 | 14 | |
michael@0 | 15 | using namespace mozilla::a11y; |
michael@0 | 16 | |
michael@0 | 17 | extern "C" { |
michael@0 | 18 | |
michael@0 | 19 | static AtkHyperlink* |
michael@0 | 20 | getLinkCB(AtkHypertext *aText, gint aLinkIndex) |
michael@0 | 21 | { |
michael@0 | 22 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText)); |
michael@0 | 23 | if (!accWrap) |
michael@0 | 24 | return nullptr; |
michael@0 | 25 | |
michael@0 | 26 | HyperTextAccessible* hyperText = accWrap->AsHyperText(); |
michael@0 | 27 | NS_ENSURE_TRUE(hyperText, nullptr); |
michael@0 | 28 | |
michael@0 | 29 | Accessible* hyperLink = hyperText->LinkAt(aLinkIndex); |
michael@0 | 30 | if (!hyperLink) |
michael@0 | 31 | return nullptr; |
michael@0 | 32 | |
michael@0 | 33 | AtkObject* hyperLinkAtkObj = AccessibleWrap::GetAtkObject(hyperLink); |
michael@0 | 34 | AccessibleWrap* accChild = GetAccessibleWrap(hyperLinkAtkObj); |
michael@0 | 35 | NS_ENSURE_TRUE(accChild, nullptr); |
michael@0 | 36 | |
michael@0 | 37 | MaiHyperlink *maiHyperlink = accChild->GetMaiHyperlink(); |
michael@0 | 38 | NS_ENSURE_TRUE(maiHyperlink, nullptr); |
michael@0 | 39 | return maiHyperlink->GetAtkHyperlink(); |
michael@0 | 40 | } |
michael@0 | 41 | |
michael@0 | 42 | static gint |
michael@0 | 43 | getLinkCountCB(AtkHypertext *aText) |
michael@0 | 44 | { |
michael@0 | 45 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText)); |
michael@0 | 46 | if (!accWrap) |
michael@0 | 47 | return -1; |
michael@0 | 48 | |
michael@0 | 49 | HyperTextAccessible* hyperText = accWrap->AsHyperText(); |
michael@0 | 50 | NS_ENSURE_TRUE(hyperText, -1); |
michael@0 | 51 | |
michael@0 | 52 | return hyperText->LinkCount(); |
michael@0 | 53 | } |
michael@0 | 54 | |
michael@0 | 55 | static gint |
michael@0 | 56 | getLinkIndexCB(AtkHypertext *aText, gint aCharIndex) |
michael@0 | 57 | { |
michael@0 | 58 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText)); |
michael@0 | 59 | if (!accWrap) |
michael@0 | 60 | return -1; |
michael@0 | 61 | |
michael@0 | 62 | HyperTextAccessible* hyperText = accWrap->AsHyperText(); |
michael@0 | 63 | NS_ENSURE_TRUE(hyperText, -1); |
michael@0 | 64 | |
michael@0 | 65 | return hyperText->LinkIndexAtOffset(aCharIndex); |
michael@0 | 66 | } |
michael@0 | 67 | } |
michael@0 | 68 | |
michael@0 | 69 | void |
michael@0 | 70 | hypertextInterfaceInitCB(AtkHypertextIface* aIface) |
michael@0 | 71 | { |
michael@0 | 72 | NS_ASSERTION(aIface, "no interface!"); |
michael@0 | 73 | if (MOZ_UNLIKELY(!aIface)) |
michael@0 | 74 | return; |
michael@0 | 75 | |
michael@0 | 76 | aIface->get_link = getLinkCB; |
michael@0 | 77 | aIface->get_n_links = getLinkCountCB; |
michael@0 | 78 | aIface->get_link_index = getLinkIndexCB; |
michael@0 | 79 | } |