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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/caret_color.h"
#include "third_party/blink/renderer/core/css/css_color_value.h"
#include "third_party/blink/renderer/core/css/parser/css_parser_context.h"
#include "third_party/blink/renderer/core/css/parser/css_property_parser_helpers.h"
#include "third_party/blink/renderer/core/css/resolver/style_builder_converter.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
namespace blink {
namespace CSSLonghand {
const CSSValue* CaretColor::ParseSingleValue(
CSSParserTokenRange& range,
const CSSParserContext& context,
const CSSParserLocalContext&) const {
if (range.Peek().Id() == CSSValueAuto)
return CSSPropertyParserHelpers::ConsumeIdent(range);
return CSSPropertyParserHelpers::ConsumeColor(range, context.Mode());
}
const blink::Color CaretColor::ColorIncludingFallback(
bool visited_link,
const ComputedStyle& style) const {
StyleAutoColor auto_color =
visited_link ? style.VisitedLinkCaretColor() : style.CaretColor();
// TODO(rego): We may want to adjust the caret color if it's the same as
// the background to ensure good visibility and contrast.
StyleColor result = auto_color.IsAutoColor() ? StyleColor::CurrentColor()
: auto_color.ToStyleColor();
if (!result.IsCurrentColor())
return result.GetColor();
return visited_link ? style.VisitedLinkColor() : style.GetColor();
}
const CSSValue* CaretColor::CSSValueFromComputedStyleInternal(
const ComputedStyle& style,
const SVGComputedStyle&,
const LayoutObject*,
Node*,
bool allow_visited_style) const {
blink::Color color;
if (allow_visited_style)
color = style.VisitedDependentColor(*this);
else if (style.CaretColor().IsAutoColor())
color = StyleColor::CurrentColor().Resolve(style.GetColor());
else
color = style.CaretColor().ToStyleColor().Resolve(style.GetColor());
return cssvalue::CSSColorValue::Create(color.Rgb());
}
void CaretColor::ApplyInitial(StyleResolverState& state) const {
StyleAutoColor color = StyleAutoColor::AutoColor();
if (state.ApplyPropertyToRegularStyle())
state.Style()->SetCaretColor(color);
if (state.ApplyPropertyToVisitedLinkStyle())
state.Style()->SetVisitedLinkCaretColor(color);
}
void CaretColor::ApplyInherit(StyleResolverState& state) const {
StyleAutoColor color = state.ParentStyle()->CaretColor();
if (state.ApplyPropertyToRegularStyle())
state.Style()->SetCaretColor(color);
if (state.ApplyPropertyToVisitedLinkStyle())
state.Style()->SetVisitedLinkCaretColor(color);
}
void CaretColor::ApplyValue(StyleResolverState& state,
const CSSValue& value) const {
if (state.ApplyPropertyToRegularStyle()) {
state.Style()->SetCaretColor(
StyleBuilderConverter::ConvertStyleAutoColor(state, value));
}
if (state.ApplyPropertyToVisitedLinkStyle()) {
state.Style()->SetVisitedLinkCaretColor(
StyleBuilderConverter::ConvertStyleAutoColor(state, value, true));
}
}
} // namespace CSSLonghand
} // namespace blink
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