MappedDeclarationsBuilder.cpp

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "MappedDeclarationsBuilder.h"

#include "mozilla/dom/Document.h"

#include "nsAttrValue.h"

#include "nsAttrValueInlines.h"

#include "nsPresContext.h"

namespace mozilla {

void MappedDeclarationsBuilder::SetIdentAtomValue(NonCustomCSSPropertyId aId,

                                                  nsAtom* aValue) {

  Servo_DeclarationBlock_SetIdentStringValue(&EnsureDecls(), aId, aValue);

  if (aId == eCSSProperty__x_lang) {

    // This forces the lang prefs result to be cached so that we can access them

    // off main thread during traversal.

//

    // FIXME(emilio): Can we move mapped attribute declarations across

    // documents? Isn't this wrong in that case? This is pretty out of place

    // anyway.

    mDocument.ForceCacheLang(aValue);

void MappedDeclarationsBuilder::SetBackgroundImage(const nsAttrValue& aValue) {

  if (aValue.Type() != nsAttrValue::eURL) {

    return;

  // Use the already-resolved absolute URI spec rather than the raw attribute

  // string. The URI was resolved with the document's character encoding during

  // attribute parsing (via nsContentUtils::NewURIWithDocumentCharset), so using

  // its spec preserves the correct query encoding. If we used the raw string,

  // it would be re-resolved in StyleCssUrl::GetURI() assuming UTF-8.

  nsAutoCString utf8;

  if (nsIURI* uri = aValue.GetURLValue()) {

    uri->GetSpec(utf8);

  } else {

    nsAutoString str;

    aValue.ToString(str);

    CopyUTF16toUTF8(str, utf8);

  Servo_DeclarationBlock_SetBackgroundImage(

      &EnsureDecls(), &utf8, mDocument.DefaultStyleAttrURLData());

}  // namespace mozilla