1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/accessible/src/windows/ia2/ia2AccessibleRelation.cpp Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,126 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* vim:expandtab:shiftwidth=2:tabstop=2: 1.6 + */ 1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.10 + 1.11 +#include "ia2AccessibleRelation.h" 1.12 + 1.13 +#include "Relation.h" 1.14 +#include "nsIAccessibleRelation.h" 1.15 +#include "nsID.h" 1.16 + 1.17 +#include "AccessibleRelation_i.c" 1.18 + 1.19 +using namespace mozilla::a11y; 1.20 + 1.21 +ia2AccessibleRelation::ia2AccessibleRelation(RelationType aType, Relation* aRel) : 1.22 + mType(aType) 1.23 +{ 1.24 + Accessible* target = nullptr; 1.25 + while ((target = aRel->Next())) 1.26 + mTargets.AppendElement(target); 1.27 +} 1.28 + 1.29 +// IUnknown 1.30 + 1.31 +IMPL_IUNKNOWN_QUERY_HEAD(ia2AccessibleRelation) 1.32 + IMPL_IUNKNOWN_QUERY_IFACE(IAccessibleRelation) 1.33 + IMPL_IUNKNOWN_QUERY_IFACE(IUnknown) 1.34 +IMPL_IUNKNOWN_QUERY_TAIL 1.35 + 1.36 +// IAccessibleRelation 1.37 + 1.38 +STDMETHODIMP 1.39 +ia2AccessibleRelation::get_relationType(BSTR* aRelationType) 1.40 +{ 1.41 + A11Y_TRYBLOCK_BEGIN 1.42 + 1.43 + if (!aRelationType) 1.44 + return E_INVALIDARG; 1.45 + 1.46 + *aRelationType = nullptr; 1.47 + 1.48 +#define RELATIONTYPE(geckoType, geckoTypeName, atkType, msaaType, ia2Type) \ 1.49 + case RelationType::geckoType: \ 1.50 + *aRelationType = ::SysAllocString(ia2Type); \ 1.51 + break; 1.52 + 1.53 + switch (mType) { 1.54 +#include "RelationTypeMap.h" 1.55 + } 1.56 + 1.57 + return *aRelationType ? S_OK : E_OUTOFMEMORY; 1.58 + 1.59 + A11Y_TRYBLOCK_END 1.60 +} 1.61 + 1.62 +STDMETHODIMP 1.63 +ia2AccessibleRelation::get_localizedRelationType(BSTR *aLocalizedRelationType) 1.64 +{ 1.65 + A11Y_TRYBLOCK_BEGIN 1.66 + 1.67 + if (!aLocalizedRelationType) 1.68 + return E_INVALIDARG; 1.69 + 1.70 + *aLocalizedRelationType = nullptr; 1.71 + return E_NOTIMPL; 1.72 + 1.73 + A11Y_TRYBLOCK_END 1.74 +} 1.75 + 1.76 +STDMETHODIMP 1.77 +ia2AccessibleRelation::get_nTargets(long *aNTargets) 1.78 +{ 1.79 + A11Y_TRYBLOCK_BEGIN 1.80 + 1.81 + if (!aNTargets) 1.82 + return E_INVALIDARG; 1.83 + 1.84 + *aNTargets = mTargets.Length(); 1.85 + return S_OK; 1.86 + 1.87 + A11Y_TRYBLOCK_END 1.88 +} 1.89 + 1.90 +STDMETHODIMP 1.91 +ia2AccessibleRelation::get_target(long aTargetIndex, IUnknown **aTarget) 1.92 +{ 1.93 + A11Y_TRYBLOCK_BEGIN 1.94 + 1.95 + if (aTargetIndex < 0 || (uint32_t)aTargetIndex >= mTargets.Length() || !aTarget) 1.96 + return E_INVALIDARG; 1.97 + 1.98 + AccessibleWrap* target = 1.99 + static_cast<AccessibleWrap*>(mTargets[aTargetIndex].get()); 1.100 + *aTarget = static_cast<IAccessible*>(target); 1.101 + (*aTarget)->AddRef(); 1.102 + 1.103 + return S_OK; 1.104 + 1.105 + A11Y_TRYBLOCK_END 1.106 +} 1.107 + 1.108 +STDMETHODIMP 1.109 +ia2AccessibleRelation::get_targets(long aMaxTargets, IUnknown **aTargets, 1.110 + long *aNTargets) 1.111 +{ 1.112 + A11Y_TRYBLOCK_BEGIN 1.113 + 1.114 + if (!aNTargets || !aTargets) 1.115 + return E_INVALIDARG; 1.116 + 1.117 + *aNTargets = 0; 1.118 + long maxTargets = mTargets.Length(); 1.119 + if (maxTargets > aMaxTargets) 1.120 + maxTargets = aMaxTargets; 1.121 + 1.122 + for (long idx = 0; idx < maxTargets; idx++) 1.123 + get_target(idx, aTargets + idx); 1.124 + 1.125 + *aNTargets = maxTargets; 1.126 + return S_OK; 1.127 + 1.128 + A11Y_TRYBLOCK_END 1.129 +}