accessible/src/windows/ia2/ia2AccessibleRelation.cpp@97036ab72558 (annotated)
accessible/src/windows/ia2/ia2AccessibleRelation.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:expandtab:shiftwidth=2:tabstop=2: |
| michael@0 | 3 | */ |
| michael@0 | 4 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "ia2AccessibleRelation.h" |
| michael@0 | 9 | |
| michael@0 | 10 | #include "Relation.h" |
| michael@0 | 11 | #include "nsIAccessibleRelation.h" |
| michael@0 | 12 | #include "nsID.h" |
| michael@0 | 13 | |
| michael@0 | 14 | #include "AccessibleRelation_i.c" |
| michael@0 | 15 | |
| michael@0 | 16 | using namespace mozilla::a11y; |
| michael@0 | 17 | |
| michael@0 | 18 | ia2AccessibleRelation::ia2AccessibleRelation(RelationType aType, Relation* aRel) : |
| michael@0 | 19 | mType(aType) |
| michael@0 | 20 | { |
| michael@0 | 21 | Accessible* target = nullptr; |
| michael@0 | 22 | while ((target = aRel->Next())) |
| michael@0 | 23 | mTargets.AppendElement(target); |
| michael@0 | 24 | } |
| michael@0 | 25 | |
| michael@0 | 26 | // IUnknown |
| michael@0 | 27 | |
| michael@0 | 28 | IMPL_IUNKNOWN_QUERY_HEAD(ia2AccessibleRelation) |
| michael@0 | 29 | IMPL_IUNKNOWN_QUERY_IFACE(IAccessibleRelation) |
| michael@0 | 30 | IMPL_IUNKNOWN_QUERY_IFACE(IUnknown) |
| michael@0 | 31 | IMPL_IUNKNOWN_QUERY_TAIL |
| michael@0 | 32 | |
| michael@0 | 33 | // IAccessibleRelation |
| michael@0 | 34 | |
| michael@0 | 35 | STDMETHODIMP |
| michael@0 | 36 | ia2AccessibleRelation::get_relationType(BSTR* aRelationType) |
| michael@0 | 37 | { |
| michael@0 | 38 | A11Y_TRYBLOCK_BEGIN |
| michael@0 | 39 | |
| michael@0 | 40 | if (!aRelationType) |
| michael@0 | 41 | return E_INVALIDARG; |
| michael@0 | 42 | |
| michael@0 | 43 | *aRelationType = nullptr; |
| michael@0 | 44 | |
| michael@0 | 45 | #define RELATIONTYPE(geckoType, geckoTypeName, atkType, msaaType, ia2Type) \ |
| michael@0 | 46 | case RelationType::geckoType: \ |
| michael@0 | 47 | *aRelationType = ::SysAllocString(ia2Type); \ |
| michael@0 | 48 | break; |
| michael@0 | 49 | |
| michael@0 | 50 | switch (mType) { |
| michael@0 | 51 | #include "RelationTypeMap.h" |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | return *aRelationType ? S_OK : E_OUTOFMEMORY; |
| michael@0 | 55 | |
| michael@0 | 56 | A11Y_TRYBLOCK_END |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | STDMETHODIMP |
| michael@0 | 60 | ia2AccessibleRelation::get_localizedRelationType(BSTR *aLocalizedRelationType) |
| michael@0 | 61 | { |
| michael@0 | 62 | A11Y_TRYBLOCK_BEGIN |
| michael@0 | 63 | |
| michael@0 | 64 | if (!aLocalizedRelationType) |
| michael@0 | 65 | return E_INVALIDARG; |
| michael@0 | 66 | |
| michael@0 | 67 | *aLocalizedRelationType = nullptr; |
| michael@0 | 68 | return E_NOTIMPL; |
| michael@0 | 69 | |
| michael@0 | 70 | A11Y_TRYBLOCK_END |
| michael@0 | 71 | } |
| michael@0 | 72 | |
| michael@0 | 73 | STDMETHODIMP |
| michael@0 | 74 | ia2AccessibleRelation::get_nTargets(long *aNTargets) |
| michael@0 | 75 | { |
| michael@0 | 76 | A11Y_TRYBLOCK_BEGIN |
| michael@0 | 77 | |
| michael@0 | 78 | if (!aNTargets) |
| michael@0 | 79 | return E_INVALIDARG; |
| michael@0 | 80 | |
| michael@0 | 81 | *aNTargets = mTargets.Length(); |
| michael@0 | 82 | return S_OK; |
| michael@0 | 83 | |
| michael@0 | 84 | A11Y_TRYBLOCK_END |
| michael@0 | 85 | } |
| michael@0 | 86 | |
| michael@0 | 87 | STDMETHODIMP |
| michael@0 | 88 | ia2AccessibleRelation::get_target(long aTargetIndex, IUnknown **aTarget) |
| michael@0 | 89 | { |
| michael@0 | 90 | A11Y_TRYBLOCK_BEGIN |
| michael@0 | 91 | |
| michael@0 | 92 | if (aTargetIndex < 0 || (uint32_t)aTargetIndex >= mTargets.Length() || !aTarget) |
| michael@0 | 93 | return E_INVALIDARG; |
| michael@0 | 94 | |
| michael@0 | 95 | AccessibleWrap* target = |
| michael@0 | 96 | static_cast<AccessibleWrap*>(mTargets[aTargetIndex].get()); |
| michael@0 | 97 | *aTarget = static_cast<IAccessible*>(target); |
| michael@0 | 98 | (*aTarget)->AddRef(); |
| michael@0 | 99 | |
| michael@0 | 100 | return S_OK; |
| michael@0 | 101 | |
| michael@0 | 102 | A11Y_TRYBLOCK_END |
| michael@0 | 103 | } |
| michael@0 | 104 | |
| michael@0 | 105 | STDMETHODIMP |
| michael@0 | 106 | ia2AccessibleRelation::get_targets(long aMaxTargets, IUnknown **aTargets, |
| michael@0 | 107 | long *aNTargets) |
| michael@0 | 108 | { |
| michael@0 | 109 | A11Y_TRYBLOCK_BEGIN |
| michael@0 | 110 | |
| michael@0 | 111 | if (!aNTargets || !aTargets) |
| michael@0 | 112 | return E_INVALIDARG; |
| michael@0 | 113 | |
| michael@0 | 114 | *aNTargets = 0; |
| michael@0 | 115 | long maxTargets = mTargets.Length(); |
| michael@0 | 116 | if (maxTargets > aMaxTargets) |
| michael@0 | 117 | maxTargets = aMaxTargets; |
| michael@0 | 118 | |
| michael@0 | 119 | for (long idx = 0; idx < maxTargets; idx++) |
| michael@0 | 120 | get_target(idx, aTargets + idx); |
| michael@0 | 121 | |
| michael@0 | 122 | *aNTargets = maxTargets; |
| michael@0 | 123 | return S_OK; |
| michael@0 | 124 | |
| michael@0 | 125 | A11Y_TRYBLOCK_END |
| michael@0 | 126 | } |
