accessible/xpcom/xpcAccessibleHyperLink.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "xpcAccessibleHyperLink.h"
   8
   9 #include "xpcAccessibleDocument.h"
  10
  11 using namespace mozilla::a11y;
  12
  13 NS_IMETHODIMP
  14 xpcAccessibleHyperLink::GetStartIndex(int32_t* aStartIndex) {
  15   NS_ENSURE_ARG_POINTER(aStartIndex);
  16   *aStartIndex = 0;
  17
  18   if (!Intl()) return NS_ERROR_FAILURE;
  19
  20   *aStartIndex = static_cast<int32_t>(Intl()->StartOffset());
  21   return NS_OK;
  22 }
  23
  24 NS_IMETHODIMP
  25 xpcAccessibleHyperLink::GetEndIndex(int32_t* aEndIndex) {
  26   NS_ENSURE_ARG_POINTER(aEndIndex);
  27   *aEndIndex = 0;
  28
  29   if (!Intl()) return NS_ERROR_FAILURE;
  30
  31   *aEndIndex = static_cast<int32_t>(Intl()->EndOffset());
  32   return NS_OK;
  33 }
  34
  35 NS_IMETHODIMP
  36 xpcAccessibleHyperLink::GetAnchorCount(int32_t* aAnchorCount) {
  37   NS_ENSURE_ARG_POINTER(aAnchorCount);
  38   *aAnchorCount = 0;
  39
  40   if (!Intl()) return NS_ERROR_FAILURE;
  41
  42   *aAnchorCount = Intl()->AnchorCount();
  43
  44   return NS_OK;
  45 }
  46
  47 NS_IMETHODIMP
  48 xpcAccessibleHyperLink::GetURI(int32_t aIndex, nsIURI** aURI) {
  49   NS_ENSURE_ARG_POINTER(aURI);
  50
  51   if (!Intl()) {
  52     return NS_ERROR_FAILURE;
  53   }
  54
  55   if (aIndex < 0 || aIndex >= static_cast<int32_t>(Intl()->AnchorCount())) {
  56     return NS_ERROR_INVALID_ARG;
  57   }
  58
  59   RefPtr<nsIURI>(Intl()->AnchorURIAt(aIndex)).forget(aURI);
  60
  61   return NS_OK;
  62 }
  63
  64 NS_IMETHODIMP
  65 xpcAccessibleHyperLink::GetAnchor(int32_t aIndex, nsIAccessible** aAccessible) {
  66   NS_ENSURE_ARG_POINTER(aAccessible);
  67   *aAccessible = nullptr;
  68
  69   if (!Intl()) return NS_ERROR_FAILURE;
  70
  71   if (aIndex < 0) return NS_ERROR_INVALID_ARG;
  72
  73   if (aIndex >= static_cast<int32_t>(Intl()->AnchorCount())) {
  74     return NS_ERROR_INVALID_ARG;
  75   }
  76
  77   NS_IF_ADDREF(*aAccessible = ToXPC(Intl()->AnchorAt(aIndex)));
  78
  79   return NS_OK;
  80 }
  81
  82 NS_IMETHODIMP
  83 xpcAccessibleHyperLink::GetValid(bool* aValid) {
  84   NS_ENSURE_ARG_POINTER(aValid);
  85   *aValid = false;
  86
  87   if (!Intl()) return NS_ERROR_FAILURE;
  88
  89   *aValid = Intl()->IsLinkValid();
  90
  91   return NS_OK;
  92 }