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