1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/accessible/src/xpcom/nsAccessibleRelation.cpp Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,62 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +#include "nsAccessibleRelation.h" 1.10 + 1.11 +#include "Relation.h" 1.12 +#include "Accessible.h" 1.13 + 1.14 +#include "nsArrayUtils.h" 1.15 +#include "nsComponentManagerUtils.h" 1.16 + 1.17 +using namespace mozilla::a11y; 1.18 + 1.19 +nsAccessibleRelation::nsAccessibleRelation(uint32_t aType, 1.20 + Relation* aRel) : 1.21 + mType(aType) 1.22 +{ 1.23 + mTargets = do_CreateInstance(NS_ARRAY_CONTRACTID); 1.24 + nsIAccessible* targetAcc = nullptr; 1.25 + while ((targetAcc = aRel->Next())) 1.26 + mTargets->AppendElement(targetAcc, false); 1.27 +} 1.28 + 1.29 +// nsISupports 1.30 +NS_IMPL_ISUPPORTS(nsAccessibleRelation, nsIAccessibleRelation) 1.31 + 1.32 +// nsIAccessibleRelation 1.33 +NS_IMETHODIMP 1.34 +nsAccessibleRelation::GetRelationType(uint32_t *aType) 1.35 +{ 1.36 + NS_ENSURE_ARG_POINTER(aType); 1.37 + *aType = mType; 1.38 + return NS_OK; 1.39 +} 1.40 + 1.41 +NS_IMETHODIMP 1.42 +nsAccessibleRelation::GetTargetsCount(uint32_t *aCount) 1.43 +{ 1.44 + NS_ENSURE_ARG_POINTER(aCount); 1.45 + *aCount = 0; 1.46 + return mTargets->GetLength(aCount); 1.47 +} 1.48 + 1.49 +NS_IMETHODIMP 1.50 +nsAccessibleRelation::GetTarget(uint32_t aIndex, nsIAccessible **aTarget) 1.51 +{ 1.52 + NS_ENSURE_ARG_POINTER(aTarget); 1.53 + nsresult rv = NS_OK; 1.54 + nsCOMPtr<nsIAccessible> target = do_QueryElementAt(mTargets, aIndex, &rv); 1.55 + target.forget(aTarget); 1.56 + return rv; 1.57 +} 1.58 + 1.59 +NS_IMETHODIMP 1.60 +nsAccessibleRelation::GetTargets(nsIArray **aTargets) 1.61 +{ 1.62 + NS_ENSURE_ARG_POINTER(aTargets); 1.63 + NS_ADDREF(*aTargets = mTargets); 1.64 + return NS_OK; 1.65 +}