NS_IMETHODIMP
Location::GetHash(nsAString& aHash)
{
  aHash.SetLength(0);

  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetURI(getter_AddRefs(uri));
  if (NS_FAILED(rv) || !uri) {
    return rv;
  }

  nsAutoCString ref;
  nsAutoString unicodeRef;

  rv = uri->GetRef(ref);

  if (nsContentUtils::GettersDecodeURLHash()) {
    if (NS_SUCCEEDED(rv)) {
      nsCOMPtr<nsITextToSubURI> textToSubURI(
          do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv));

      if (NS_SUCCEEDED(rv)) {
        nsAutoCString charset;
        uri->GetOriginCharset(charset);

        rv = textToSubURI->UnEscapeURIForUI(charset, ref, unicodeRef);
      }

      if (NS_FAILED(rv)) {
        // Oh, well.  No intl here!
        NS_UnescapeURL(ref);
        CopyASCIItoUTF16(ref, unicodeRef);
        rv = NS_OK;
      }
    }

    if (NS_SUCCEEDED(rv) && !unicodeRef.IsEmpty()) {
      aHash.Assign(char16_t('#'));
      aHash.Append(unicodeRef);
    }
  } else { // URL Hash should simply return the value of the Ref segment
    if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
      aHash.Assign(char16_t('#'));
      AppendUTF8toUTF16(ref, aHash);
    }
  }

  if (aHash == mCachedHash) {
    // Work around ShareThis stupidly polling location.hash every
    // 5ms all the time by handing out the same exact string buffer
    // we handed out last time.
    aHash = mCachedHash;
  } else {
    mCachedHash = aHash;
  }

  return rv;
}
Exemplo n.º 2
0
NS_IMETHODIMP
nsLocation::GetHash(nsAString& aHash)
{
  if (!CallerSubsumes())
    return NS_ERROR_DOM_SECURITY_ERR;

  aHash.SetLength(0);

  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetURI(getter_AddRefs(uri));
  if (NS_FAILED(rv) || !uri) {
    return rv;
  }

  nsCAutoString ref;
  nsAutoString unicodeRef;

  rv = uri->GetRef(ref);
  if (NS_SUCCEEDED(rv)) {
    nsCOMPtr<nsITextToSubURI> textToSubURI(
        do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv));

    if (NS_SUCCEEDED(rv)) {
      nsCAutoString charset;
      uri->GetOriginCharset(charset);
        
      rv = textToSubURI->UnEscapeURIForUI(charset, ref, unicodeRef);
    }
      
    if (NS_FAILED(rv)) {
      // Oh, well.  No intl here!
      NS_UnescapeURL(ref);
      CopyASCIItoUTF16(ref, unicodeRef);
      rv = NS_OK;
    }
  }

  if (NS_SUCCEEDED(rv) && !unicodeRef.IsEmpty()) {
    aHash.Assign(PRUnichar('#'));
    aHash.Append(unicodeRef);
  }

  if (aHash == mCachedHash) {
    // Work around ShareThis stupidly polling location.hash every
    // 5ms all the time by handing out the same exact string buffer
    // we handed out last time.
    aHash = mCachedHash;
  } else {
    mCachedHash = aHash;
  }

  return rv;
}
Exemplo n.º 3
0
NS_IMETHODIMP
nsLocation::GetHash(nsAString& aHash)
{
  aHash.SetLength(0);

  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetURI(getter_AddRefs(uri));

  nsCOMPtr<nsIURL> url(do_QueryInterface(uri));

  if (url) {
    nsCAutoString ref;
    nsAutoString unicodeRef;

    rv = url->GetRef(ref);
    if (NS_SUCCEEDED(rv)) {
      nsCOMPtr<nsITextToSubURI> textToSubURI(
          do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv));

      if (NS_SUCCEEDED(rv)) {
        nsCAutoString charset;
        url->GetOriginCharset(charset);
        
        rv = textToSubURI->UnEscapeURIForUI(charset, ref, unicodeRef);
      }
      
      if (NS_FAILED(rv)) {
        // Oh, well.  No intl here!
        NS_UnescapeURL(ref);
        CopyASCIItoUTF16(ref, unicodeRef);
        rv = NS_OK;
      }
    }

    if (NS_SUCCEEDED(rv) && !unicodeRef.IsEmpty()) {
      aHash.Assign(PRUnichar('#'));
      aHash.Append(unicodeRef);
    }
  }

  return rv;
}