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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/css/properties/longhands/background_origin.h"

#include "third_party/blink/renderer/core/css/properties/css_parsing_utils.h"
#include "third_party/blink/renderer/core/style/computed_style.h"

namespace blink {
namespace css_longhand {

const CSSValue* BackgroundOrigin::ParseSingleValue(
    CSSParserTokenRange& range,
    const CSSParserContext&,
    const CSSParserLocalContext& local_context) const {
  return css_parsing_utils::ParseBackgroundBox(
      range, local_context, css_parsing_utils::AllowTextValue::kForbid);
}

const CSSValue* BackgroundOrigin::CSSValueFromComputedStyleInternal(
    const ComputedStyle& style,
    const SVGComputedStyle&,
    const LayoutObject*,
    Node*,
    bool allow_visited_style) const {
  CSSValueList* list = CSSValueList::CreateCommaSeparated();
  const FillLayer* curr_layer = &style.BackgroundLayers();
  for (; curr_layer; curr_layer = curr_layer->Next()) {
    EFillBox box = curr_layer->Origin();
    list->Append(*CSSIdentifierValue::Create(box));
  }
  return list;
}

}  // namespace css_longhand
}  // namespace blink