C++ (Cpp) HaveExternalProtocolHandler Examples

Example #1

File: nsExternalProtocolHandler.cpp Project: Lynart/mozilla-central

NS_IMETHODIMP nsExternalProtocolHandler::NewChannel(nsIURI *aURI, nsIChannel **_retval)
{
  // Only try to return a channel if we have a protocol handler for the url.
  // nsOSHelperAppService::LoadUriInternal relies on this to check trustedness
  // for some platforms at least.  (win uses ::ShellExecute and unix uses
  // gnome_url_show.)
  bool haveExternalHandler = HaveExternalProtocolHandler(aURI);
  if (haveExternalHandler)
  {
    nsCOMPtr<nsIChannel> channel = new nsExtProtocolChannel();
    if (!channel) return NS_ERROR_OUT_OF_MEMORY;

    ((nsExtProtocolChannel*) channel.get())->SetURI(aURI);
    channel->SetOriginalURI(aURI);

    if (_retval)
    {
      *_retval = channel;
      NS_IF_ADDREF(*_retval);
      return NS_OK;
    }
  }

  return NS_ERROR_UNKNOWN_PROTOCOL;
}

Example #2

File: nsExternalProtocolHandler.cpp Project: luke-chang/gecko-1

NS_IMETHODIMP
nsExternalProtocolHandler::NewChannel2(nsIURI* aURI,
                                       nsILoadInfo* aLoadInfo,
                                       nsIChannel** aRetval)
{
  NS_ENSURE_TRUE(aURI, NS_ERROR_UNKNOWN_PROTOCOL);
  NS_ENSURE_TRUE(aRetval, NS_ERROR_UNKNOWN_PROTOCOL);

  // Only try to return a channel if we have a protocol handler for the url.
  // nsOSHelperAppService::LoadUriInternal relies on this to check trustedness
  // for some platforms at least.  (win uses ::ShellExecute and unix uses
  // gnome_url_show.)
  if (!HaveExternalProtocolHandler(aURI)) {
    return NS_ERROR_UNKNOWN_PROTOCOL;
  }

  nsCOMPtr<nsIChannel> channel = new nsExtProtocolChannel(aURI, aLoadInfo);
  channel.forget(aRetval);
  return NS_OK;
}