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125 lines
2.7 KiB
125 lines
2.7 KiB
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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/* vim:expandtab:shiftwidth=2:tabstop=2: |
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*/ |
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/* This Source Code Form is subject to the terms of the Mozilla Public |
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* License, v. 2.0. If a copy of the MPL was not distributed with this |
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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#include "ia2AccessibleRelation.h" |
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#include "Relation.h" |
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#include "nsID.h" |
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#include "AccessibleRelation_i.c" |
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using namespace mozilla::a11y; |
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ia2AccessibleRelation::ia2AccessibleRelation(RelationType aType, Relation* aRel) : |
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mType(aType) |
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{ |
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Accessible* target = nullptr; |
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while ((target = aRel->Next())) |
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mTargets.AppendElement(target); |
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} |
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// IUnknown |
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IMPL_IUNKNOWN_QUERY_HEAD(ia2AccessibleRelation) |
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IMPL_IUNKNOWN_QUERY_IFACE(IAccessibleRelation) |
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IMPL_IUNKNOWN_QUERY_IFACE(IUnknown) |
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IMPL_IUNKNOWN_QUERY_TAIL |
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// IAccessibleRelation |
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STDMETHODIMP |
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ia2AccessibleRelation::get_relationType(BSTR* aRelationType) |
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{ |
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A11Y_TRYBLOCK_BEGIN |
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if (!aRelationType) |
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return E_INVALIDARG; |
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*aRelationType = nullptr; |
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#define RELATIONTYPE(geckoType, geckoTypeName, atkType, msaaType, ia2Type) \ |
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case RelationType::geckoType: \ |
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*aRelationType = ::SysAllocString(ia2Type); \ |
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break; |
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switch (mType) { |
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#include "RelationTypeMap.h" |
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} |
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return *aRelationType ? S_OK : E_OUTOFMEMORY; |
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A11Y_TRYBLOCK_END |
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} |
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STDMETHODIMP |
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ia2AccessibleRelation::get_localizedRelationType(BSTR *aLocalizedRelationType) |
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{ |
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A11Y_TRYBLOCK_BEGIN |
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if (!aLocalizedRelationType) |
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return E_INVALIDARG; |
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*aLocalizedRelationType = nullptr; |
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return E_NOTIMPL; |
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A11Y_TRYBLOCK_END |
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} |
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STDMETHODIMP |
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ia2AccessibleRelation::get_nTargets(long *aNTargets) |
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{ |
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A11Y_TRYBLOCK_BEGIN |
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if (!aNTargets) |
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return E_INVALIDARG; |
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*aNTargets = mTargets.Length(); |
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return S_OK; |
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A11Y_TRYBLOCK_END |
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} |
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STDMETHODIMP |
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ia2AccessibleRelation::get_target(long aTargetIndex, IUnknown **aTarget) |
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{ |
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A11Y_TRYBLOCK_BEGIN |
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if (aTargetIndex < 0 || (uint32_t)aTargetIndex >= mTargets.Length() || !aTarget) |
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return E_INVALIDARG; |
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AccessibleWrap* target = |
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static_cast<AccessibleWrap*>(mTargets[aTargetIndex].get()); |
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*aTarget = static_cast<IAccessible*>(target); |
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(*aTarget)->AddRef(); |
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return S_OK; |
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A11Y_TRYBLOCK_END |
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} |
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STDMETHODIMP |
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ia2AccessibleRelation::get_targets(long aMaxTargets, IUnknown **aTargets, |
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long *aNTargets) |
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{ |
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A11Y_TRYBLOCK_BEGIN |
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if (!aNTargets || !aTargets) |
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return E_INVALIDARG; |
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*aNTargets = 0; |
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long maxTargets = mTargets.Length(); |
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if (maxTargets > aMaxTargets) |
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maxTargets = aMaxTargets; |
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for (long idx = 0; idx < maxTargets; idx++) |
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get_target(idx, aTargets + idx); |
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*aNTargets = maxTargets; |
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return S_OK; |
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A11Y_TRYBLOCK_END |
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}
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