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comparison: accessible/src/windows/ia2/ia2AccessibleRelation.cpp
accessible/src/windows/ia2/ia2AccessibleRelation.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:7bd995a1bdf7 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:expandtab:shiftwidth=2:tabstop=2: | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 #include "ia2AccessibleRelation.h" | |
| 9 | |
| 10 #include "Relation.h" | |
| 11 #include "nsIAccessibleRelation.h" | |
| 12 #include "nsID.h" | |
| 13 | |
| 14 #include "AccessibleRelation_i.c" | |
| 15 | |
| 16 using namespace mozilla::a11y; | |
| 17 | |
| 18 ia2AccessibleRelation::ia2AccessibleRelation(RelationType aType, Relation* aRel) : | |
| 19 mType(aType) | |
| 20 { | |
| 21 Accessible* target = nullptr; | |
| 22 while ((target = aRel->Next())) | |
| 23 mTargets.AppendElement(target); | |
| 24 } | |
| 25 | |
| 26 // IUnknown | |
| 27 | |
| 28 IMPL_IUNKNOWN_QUERY_HEAD(ia2AccessibleRelation) | |
| 29 IMPL_IUNKNOWN_QUERY_IFACE(IAccessibleRelation) | |
| 30 IMPL_IUNKNOWN_QUERY_IFACE(IUnknown) | |
| 31 IMPL_IUNKNOWN_QUERY_TAIL | |
| 32 | |
| 33 // IAccessibleRelation | |
| 34 | |
| 35 STDMETHODIMP | |
| 36 ia2AccessibleRelation::get_relationType(BSTR* aRelationType) | |
| 37 { | |
| 38 A11Y_TRYBLOCK_BEGIN | |
| 39 | |
| 40 if (!aRelationType) | |
| 41 return E_INVALIDARG; | |
| 42 | |
| 43 *aRelationType = nullptr; | |
| 44 | |
| 45 #define RELATIONTYPE(geckoType, geckoTypeName, atkType, msaaType, ia2Type) \ | |
| 46 case RelationType::geckoType: \ | |
| 47 *aRelationType = ::SysAllocString(ia2Type); \ | |
| 48 break; | |
| 49 | |
| 50 switch (mType) { | |
| 51 #include "RelationTypeMap.h" | |
| 52 } | |
| 53 | |
| 54 return *aRelationType ? S_OK : E_OUTOFMEMORY; | |
| 55 | |
| 56 A11Y_TRYBLOCK_END | |
| 57 } | |
| 58 | |
| 59 STDMETHODIMP | |
| 60 ia2AccessibleRelation::get_localizedRelationType(BSTR *aLocalizedRelationType) | |
| 61 { | |
| 62 A11Y_TRYBLOCK_BEGIN | |
| 63 | |
| 64 if (!aLocalizedRelationType) | |
| 65 return E_INVALIDARG; | |
| 66 | |
| 67 *aLocalizedRelationType = nullptr; | |
| 68 return E_NOTIMPL; | |
| 69 | |
| 70 A11Y_TRYBLOCK_END | |
| 71 } | |
| 72 | |
| 73 STDMETHODIMP | |
| 74 ia2AccessibleRelation::get_nTargets(long *aNTargets) | |
| 75 { | |
| 76 A11Y_TRYBLOCK_BEGIN | |
| 77 | |
| 78 if (!aNTargets) | |
| 79 return E_INVALIDARG; | |
| 80 | |
| 81 *aNTargets = mTargets.Length(); | |
| 82 return S_OK; | |
| 83 | |
| 84 A11Y_TRYBLOCK_END | |
| 85 } | |
| 86 | |
| 87 STDMETHODIMP | |
| 88 ia2AccessibleRelation::get_target(long aTargetIndex, IUnknown **aTarget) | |
| 89 { | |
| 90 A11Y_TRYBLOCK_BEGIN | |
| 91 | |
| 92 if (aTargetIndex < 0 || (uint32_t)aTargetIndex >= mTargets.Length() || !aTarget) | |
| 93 return E_INVALIDARG; | |
| 94 | |
| 95 AccessibleWrap* target = | |
| 96 static_cast<AccessibleWrap*>(mTargets[aTargetIndex].get()); | |
| 97 *aTarget = static_cast<IAccessible*>(target); | |
| 98 (*aTarget)->AddRef(); | |
| 99 | |
| 100 return S_OK; | |
| 101 | |
| 102 A11Y_TRYBLOCK_END | |
| 103 } | |
| 104 | |
| 105 STDMETHODIMP | |
| 106 ia2AccessibleRelation::get_targets(long aMaxTargets, IUnknown **aTargets, | |
| 107 long *aNTargets) | |
| 108 { | |
| 109 A11Y_TRYBLOCK_BEGIN | |
| 110 | |
| 111 if (!aNTargets || !aTargets) | |
| 112 return E_INVALIDARG; | |
| 113 | |
| 114 *aNTargets = 0; | |
| 115 long maxTargets = mTargets.Length(); | |
| 116 if (maxTargets > aMaxTargets) | |
| 117 maxTargets = aMaxTargets; | |
| 118 | |
| 119 for (long idx = 0; idx < maxTargets; idx++) | |
| 120 get_target(idx, aTargets + idx); | |
| 121 | |
| 122 *aNTargets = maxTargets; | |
| 123 return S_OK; | |
| 124 | |
| 125 A11Y_TRYBLOCK_END | |
| 126 } |
