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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 "nsAccessibleRelation.h"
#include "Relation.h"
#include "xpcAccessibleDocument.h"
#include "nsArrayUtils.h"
#include "nsComponentManagerUtils.h"
using namespace mozilla::a11y;
nsAccessibleRelation::nsAccessibleRelation(uint32_t aType, Relation* aRel)
: mType(aType) {
mTargets = do_CreateInstance(NS_ARRAY_CONTRACTID);
Accessible* targetAcc = nullptr;
while ((targetAcc = aRel->Next())) {
mTargets->AppendElement(static_cast<nsIAccessible*>(ToXPC(targetAcc)));
}
}
nsAccessibleRelation::~nsAccessibleRelation() {}
// nsISupports
NS_IMPL_ISUPPORTS(nsAccessibleRelation, nsIAccessibleRelation)
// nsIAccessibleRelation
NS_IMETHODIMP
nsAccessibleRelation::GetRelationType(uint32_t* aType) {
NS_ENSURE_ARG_POINTER(aType);
*aType = mType;
return NS_OK;
}
NS_IMETHODIMP
nsAccessibleRelation::GetTargetsCount(uint32_t* aCount) {
NS_ENSURE_ARG_POINTER(aCount);
*aCount = 0;
return mTargets->GetLength(aCount);
}
NS_IMETHODIMP
nsAccessibleRelation::GetTarget(uint32_t aIndex, nsIAccessible** aTarget) {
NS_ENSURE_ARG_POINTER(aTarget);
nsresult rv = NS_OK;
nsCOMPtr<nsIAccessible> target = do_QueryElementAt(mTargets, aIndex, &rv);
target.forget(aTarget);
return rv;
}
NS_IMETHODIMP
nsAccessibleRelation::GetTargets(nsIArray** aTargets) {
NS_ENSURE_ARG_POINTER(aTargets);
NS_ADDREF(*aTargets = mTargets);
return NS_OK;
}
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