コード例 #1
0
STDMETHODIMP
ia2AccessibleHyperlink::get_anchor(long aIndex, VARIANT* aAnchor)
{
  A11Y_TRYBLOCK_BEGIN

  VariantInit(aAnchor);

  Accessible* thisObj = static_cast<AccessibleWrap*>(this);
  if (thisObj->IsDefunct())
    return CO_E_OBJNOTCONNECTED;

  if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount()))
    return E_INVALIDARG;

  if (!thisObj->IsLink())
    return S_FALSE;

  AccessibleWrap* anchor =
    static_cast<AccessibleWrap*>(thisObj->AnchorAt(aIndex));
  if (!anchor)
    return S_FALSE;

  void* instancePtr = nullptr;
  HRESULT result = anchor->QueryInterface(IID_IUnknown, &instancePtr);
  if (FAILED(result))
    return result;

  IUnknown* unknownPtr = static_cast<IUnknown*>(instancePtr);
  aAnchor->ppunkVal = &unknownPtr;
  aAnchor->vt = VT_UNKNOWN;
  return S_OK;

  A11Y_TRYBLOCK_END
}
コード例 #2
0
STDMETHODIMP
ia2AccessibleHyperlink::get_anchorTarget(long aIndex, VARIANT* aAnchorTarget)
{
  A11Y_TRYBLOCK_BEGIN

  VariantInit(aAnchorTarget);

  Accessible* thisObj = static_cast<AccessibleWrap*>(this);
  if (thisObj->IsDefunct())
    return CO_E_OBJNOTCONNECTED;

  if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount()))
    return E_INVALIDARG;

  if (!thisObj->IsLink())
    return S_FALSE;

  nsCOMPtr<nsIURI> uri = thisObj->AnchorURIAt(aIndex);
  if (!uri)
    return S_FALSE;

  nsAutoCString prePath;
  nsresult rv = uri->GetPrePath(prePath);
  if (NS_FAILED(rv))
    return GetHRESULT(rv);

  nsAutoCString path;
  rv = uri->GetPath(path);
  if (NS_FAILED(rv))
    return GetHRESULT(rv);

  nsAutoString stringURI;
  AppendUTF8toUTF16(prePath, stringURI);
  AppendUTF8toUTF16(path, stringURI);

  aAnchorTarget->vt = VT_BSTR;
  aAnchorTarget->bstrVal = ::SysAllocStringLen(stringURI.get(),
                                               stringURI.Length());
  return aAnchorTarget->bstrVal ? S_OK : E_OUTOFMEMORY;

  A11Y_TRYBLOCK_END
}