third_party/blink/renderer/core/css/properties/longhands/float_custom.cc

// Copyright 2018 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/float.h"

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

namespace blink {
namespace CSSLonghand {

const CSSValue* Float::CSSValueFromComputedStyleInternal(
    const ComputedStyle& style,
    const SVGComputedStyle&,
    const LayoutObject*,
    Node* styled_node,
    bool allow_visited_style) const {
  if (style.Display() != EDisplay::kNone && style.HasOutOfFlowPosition())
    return CSSIdentifierValue::Create(CSSValueNone);
  return CSSIdentifierValue::Create(style.Floating());
}

void Float::ApplyValue(StyleResolverState& state, const CSSValue& value) const {
  const CSSIdentifierValue& identifier_value = ToCSSIdentifierValue(value);

  EFloat f;
  CSSValueID id = identifier_value.GetValueID();
  switch (id) {
    case CSSValueInlineStart:
    case CSSValueInlineEnd:
      if ((id == CSSValueInlineStart) ==
          (state.Style()->Direction() == TextDirection::kLtr)) {
        f = EFloat::kLeft;
      } else {
        f = EFloat::kRight;
      }
      break;
    default:
      f = identifier_value.ConvertTo<EFloat>();
      break;
  }
  state.Style()->SetFloating(f);
}

}  // namespace CSSLonghand
}  // namespace blink