mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 20:47:44 +00:00
126 lines
2.7 KiB
C++
126 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:expandtab:shiftwidth=2:tabstop=2:
|
|
*/
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "ia2AccessibleRelation.h"
|
|
|
|
#include "Relation.h"
|
|
#include "nsID.h"
|
|
|
|
#include "AccessibleRelation_i.c"
|
|
|
|
using namespace mozilla::a11y;
|
|
|
|
ia2AccessibleRelation::ia2AccessibleRelation(RelationType aType, Relation* aRel) :
|
|
mType(aType)
|
|
{
|
|
Accessible* target = nullptr;
|
|
while ((target = aRel->Next()))
|
|
mTargets.AppendElement(target);
|
|
}
|
|
|
|
// IUnknown
|
|
|
|
IMPL_IUNKNOWN_QUERY_HEAD(ia2AccessibleRelation)
|
|
IMPL_IUNKNOWN_QUERY_IFACE(IAccessibleRelation)
|
|
IMPL_IUNKNOWN_QUERY_IFACE(IUnknown)
|
|
IMPL_IUNKNOWN_QUERY_TAIL
|
|
|
|
// IAccessibleRelation
|
|
|
|
STDMETHODIMP
|
|
ia2AccessibleRelation::get_relationType(BSTR* aRelationType)
|
|
{
|
|
A11Y_TRYBLOCK_BEGIN
|
|
|
|
if (!aRelationType)
|
|
return E_INVALIDARG;
|
|
|
|
*aRelationType = nullptr;
|
|
|
|
#define RELATIONTYPE(geckoType, geckoTypeName, atkType, msaaType, ia2Type) \
|
|
case RelationType::geckoType: \
|
|
*aRelationType = ::SysAllocString(ia2Type); \
|
|
break;
|
|
|
|
switch (mType) {
|
|
#include "RelationTypeMap.h"
|
|
}
|
|
|
|
return *aRelationType ? S_OK : E_OUTOFMEMORY;
|
|
|
|
A11Y_TRYBLOCK_END
|
|
}
|
|
|
|
STDMETHODIMP
|
|
ia2AccessibleRelation::get_localizedRelationType(BSTR *aLocalizedRelationType)
|
|
{
|
|
A11Y_TRYBLOCK_BEGIN
|
|
|
|
if (!aLocalizedRelationType)
|
|
return E_INVALIDARG;
|
|
|
|
*aLocalizedRelationType = nullptr;
|
|
return E_NOTIMPL;
|
|
|
|
A11Y_TRYBLOCK_END
|
|
}
|
|
|
|
STDMETHODIMP
|
|
ia2AccessibleRelation::get_nTargets(long *aNTargets)
|
|
{
|
|
A11Y_TRYBLOCK_BEGIN
|
|
|
|
if (!aNTargets)
|
|
return E_INVALIDARG;
|
|
|
|
*aNTargets = mTargets.Length();
|
|
return S_OK;
|
|
|
|
A11Y_TRYBLOCK_END
|
|
}
|
|
|
|
STDMETHODIMP
|
|
ia2AccessibleRelation::get_target(long aTargetIndex, IUnknown **aTarget)
|
|
{
|
|
A11Y_TRYBLOCK_BEGIN
|
|
|
|
if (aTargetIndex < 0 || (uint32_t)aTargetIndex >= mTargets.Length() || !aTarget)
|
|
return E_INVALIDARG;
|
|
|
|
AccessibleWrap* target =
|
|
static_cast<AccessibleWrap*>(mTargets[aTargetIndex].get());
|
|
*aTarget = static_cast<IAccessible*>(target);
|
|
(*aTarget)->AddRef();
|
|
|
|
return S_OK;
|
|
|
|
A11Y_TRYBLOCK_END
|
|
}
|
|
|
|
STDMETHODIMP
|
|
ia2AccessibleRelation::get_targets(long aMaxTargets, IUnknown **aTargets,
|
|
long *aNTargets)
|
|
{
|
|
A11Y_TRYBLOCK_BEGIN
|
|
|
|
if (!aNTargets || !aTargets)
|
|
return E_INVALIDARG;
|
|
|
|
*aNTargets = 0;
|
|
long maxTargets = mTargets.Length();
|
|
if (maxTargets > aMaxTargets)
|
|
maxTargets = aMaxTargets;
|
|
|
|
for (long idx = 0; idx < maxTargets; idx++)
|
|
get_target(idx, aTargets + idx);
|
|
|
|
*aNTargets = maxTargets;
|
|
return S_OK;
|
|
|
|
A11Y_TRYBLOCK_END
|
|
}
|