accessible/src/windows/ia2/ia2AccessibleHyperlink.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/accessible/src/windows/ia2/ia2AccessibleHyperlink.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,194 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim:expandtab:shiftwidth=2:tabstop=2:
     1.6 + */
     1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
    1.10 +
    1.11 +#include "Accessible2.h"
    1.12 +#include "AccessibleHyperlink.h"
    1.13 +#include "AccessibleHyperlink_i.c"
    1.14 +
    1.15 +#include "AccessibleWrap.h"
    1.16 +#include "IUnknownImpl.h"
    1.17 +#include "nsIURI.h"
    1.18 +
    1.19 +using namespace mozilla::a11y;
    1.20 +
    1.21 +// IUnknown
    1.22 +
    1.23 +STDMETHODIMP
    1.24 +ia2AccessibleHyperlink::QueryInterface(REFIID iid, void** ppv)
    1.25 +{
    1.26 +  if (!ppv)
    1.27 +    return E_INVALIDARG;
    1.28 +
    1.29 +  *ppv = nullptr;
    1.30 +
    1.31 +  if (IID_IAccessibleHyperlink == iid) {
    1.32 +    if (!static_cast<AccessibleWrap*>(this)->IsLink())
    1.33 +      return E_NOINTERFACE;
    1.34 +
    1.35 +    *ppv = static_cast<IAccessibleHyperlink*>(this);
    1.36 +    (reinterpret_cast<IUnknown*>(*ppv))->AddRef();
    1.37 +    return S_OK;
    1.38 +  }
    1.39 +
    1.40 +  return ia2AccessibleAction::QueryInterface(iid, ppv);
    1.41 +}
    1.42 +
    1.43 +// IAccessibleHyperlink
    1.44 +
    1.45 +STDMETHODIMP
    1.46 +ia2AccessibleHyperlink::get_anchor(long aIndex, VARIANT* aAnchor)
    1.47 +{
    1.48 +  A11Y_TRYBLOCK_BEGIN
    1.49 +
    1.50 +  if (!aAnchor)
    1.51 +    return E_INVALIDARG;
    1.52 +
    1.53 +  VariantInit(aAnchor);
    1.54 +
    1.55 +  Accessible* thisObj = static_cast<AccessibleWrap*>(this);
    1.56 +  if (thisObj->IsDefunct())
    1.57 +    return CO_E_OBJNOTCONNECTED;
    1.58 +
    1.59 +  if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount()))
    1.60 +    return E_INVALIDARG;
    1.61 +
    1.62 +  if (!thisObj->IsLink())
    1.63 +    return S_FALSE;
    1.64 +
    1.65 +  AccessibleWrap* anchor =
    1.66 +    static_cast<AccessibleWrap*>(thisObj->AnchorAt(aIndex));
    1.67 +  if (!anchor)
    1.68 +    return S_FALSE;
    1.69 +
    1.70 +  void* instancePtr = nullptr;
    1.71 +  HRESULT result = anchor->QueryInterface(IID_IUnknown, &instancePtr);
    1.72 +  if (FAILED(result))
    1.73 +    return result;
    1.74 +
    1.75 +  IUnknown* unknownPtr = static_cast<IUnknown*>(instancePtr);
    1.76 +  aAnchor->ppunkVal = &unknownPtr;
    1.77 +  aAnchor->vt = VT_UNKNOWN;
    1.78 +  return S_OK;
    1.79 +
    1.80 +  A11Y_TRYBLOCK_END
    1.81 +}
    1.82 +
    1.83 +STDMETHODIMP
    1.84 +ia2AccessibleHyperlink::get_anchorTarget(long aIndex, VARIANT* aAnchorTarget)
    1.85 +{
    1.86 +  A11Y_TRYBLOCK_BEGIN
    1.87 +
    1.88 +  if (!aAnchorTarget)
    1.89 +    return E_INVALIDARG;
    1.90 +
    1.91 +  VariantInit(aAnchorTarget);
    1.92 +
    1.93 +  Accessible* thisObj = static_cast<AccessibleWrap*>(this);
    1.94 +  if (thisObj->IsDefunct())
    1.95 +    return CO_E_OBJNOTCONNECTED;
    1.96 +
    1.97 +  if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount()))
    1.98 +    return E_INVALIDARG;
    1.99 +
   1.100 +  if (!thisObj->IsLink())
   1.101 +    return S_FALSE;
   1.102 +
   1.103 +  nsCOMPtr<nsIURI> uri = thisObj->AnchorURIAt(aIndex);
   1.104 +  if (!uri)
   1.105 +    return S_FALSE;
   1.106 +
   1.107 +  nsAutoCString prePath;
   1.108 +  nsresult rv = uri->GetPrePath(prePath);
   1.109 +  if (NS_FAILED(rv))
   1.110 +    return GetHRESULT(rv);
   1.111 +
   1.112 +  nsAutoCString path;
   1.113 +  rv = uri->GetPath(path);
   1.114 +  if (NS_FAILED(rv))
   1.115 +    return GetHRESULT(rv);
   1.116 +
   1.117 +  nsAutoString stringURI;
   1.118 +  AppendUTF8toUTF16(prePath, stringURI);
   1.119 +  AppendUTF8toUTF16(path, stringURI);
   1.120 +
   1.121 +  aAnchorTarget->vt = VT_BSTR;
   1.122 +  aAnchorTarget->bstrVal = ::SysAllocStringLen(stringURI.get(),
   1.123 +                                               stringURI.Length());
   1.124 +  return aAnchorTarget->bstrVal ? S_OK : E_OUTOFMEMORY;
   1.125 +
   1.126 +  A11Y_TRYBLOCK_END
   1.127 +}
   1.128 +
   1.129 +STDMETHODIMP
   1.130 +ia2AccessibleHyperlink::get_startIndex(long* aIndex)
   1.131 +{
   1.132 +  A11Y_TRYBLOCK_BEGIN
   1.133 +
   1.134 +  if (!aIndex)
   1.135 +    return E_INVALIDARG;
   1.136 +
   1.137 +  *aIndex = 0;
   1.138 +
   1.139 +  Accessible* thisObj = static_cast<AccessibleWrap*>(this);
   1.140 +  if (thisObj->IsDefunct())
   1.141 +    return CO_E_OBJNOTCONNECTED;
   1.142 +
   1.143 +  if (!thisObj->IsLink())
   1.144 +    return S_FALSE;
   1.145 +
   1.146 +  *aIndex = thisObj->StartOffset();
   1.147 +  return S_OK;
   1.148 +
   1.149 +  A11Y_TRYBLOCK_END
   1.150 +}
   1.151 +
   1.152 +STDMETHODIMP
   1.153 +ia2AccessibleHyperlink::get_endIndex(long* aIndex)
   1.154 +{
   1.155 +  A11Y_TRYBLOCK_BEGIN
   1.156 +
   1.157 +  if (!aIndex)
   1.158 +    return E_INVALIDARG;
   1.159 +
   1.160 +  *aIndex = 0;
   1.161 +
   1.162 +  Accessible* thisObj = static_cast<AccessibleWrap*>(this);
   1.163 +  if (thisObj->IsDefunct())
   1.164 +    return CO_E_OBJNOTCONNECTED;
   1.165 +
   1.166 +  if (!thisObj->IsLink())
   1.167 +    return S_FALSE;
   1.168 +
   1.169 +  *aIndex = thisObj->EndOffset();
   1.170 +  return S_OK;
   1.171 +
   1.172 +  A11Y_TRYBLOCK_END
   1.173 +}
   1.174 +
   1.175 +STDMETHODIMP
   1.176 +ia2AccessibleHyperlink::get_valid(boolean* aValid)
   1.177 +{
   1.178 +  A11Y_TRYBLOCK_BEGIN
   1.179 +
   1.180 +  if (!aValid)
   1.181 +    return E_INVALIDARG;
   1.182 +
   1.183 +  *aValid = false;
   1.184 +
   1.185 +  Accessible* thisObj = static_cast<AccessibleWrap*>(this);
   1.186 +  if (thisObj->IsDefunct())
   1.187 +    return CO_E_OBJNOTCONNECTED;
   1.188 +
   1.189 +  if (!thisObj->IsLink())
   1.190 +    return S_FALSE;
   1.191 +
   1.192 +  *aValid = thisObj->IsLinkValid();
   1.193 +  return S_OK;
   1.194 +
   1.195 +  A11Y_TRYBLOCK_END
   1.196 +}
   1.197 +

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