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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/cssom/declared_style_property_map.h"
#include "third_party/blink/renderer/core/css/css_custom_property_declaration.h"
#include "third_party/blink/renderer/core/css/css_property_value_set.h"
#include "third_party/blink/renderer/core/css/css_style_rule.h"
#include "third_party/blink/renderer/core/css/css_style_sheet.h"
#include "third_party/blink/renderer/core/css/css_variable_reference_value.h"
#include "third_party/blink/renderer/core/css/style_property_serializer.h"
#include "third_party/blink/renderer/core/css/style_rule.h"
namespace blink {
DeclaredStylePropertyMap::DeclaredStylePropertyMap(CSSStyleRule* owner_rule)
: StylePropertyMap(), owner_rule_(owner_rule) {}
unsigned int DeclaredStylePropertyMap::size() {
if (!GetStyleRule())
return 0;
return GetStyleRule()->Properties().PropertyCount();
}
const CSSValue* DeclaredStylePropertyMap::GetProperty(
CSSPropertyID property_id) {
if (!GetStyleRule())
return nullptr;
return GetStyleRule()->Properties().GetPropertyCSSValue(property_id);
}
const CSSValue* DeclaredStylePropertyMap::GetCustomProperty(
AtomicString property_name) {
if (!GetStyleRule())
return nullptr;
return GetStyleRule()->Properties().GetPropertyCSSValue(property_name);
}
void DeclaredStylePropertyMap::SetProperty(CSSPropertyID property_id,
const CSSValue& value) {
if (!GetStyleRule())
return;
CSSStyleSheet::RuleMutationScope mutation_scope(owner_rule_);
GetStyleRule()->MutableProperties().SetProperty(property_id, value);
}
bool DeclaredStylePropertyMap::SetShorthandProperty(
CSSPropertyID property_id,
const String& value,
SecureContextMode secure_context_mode) {
DCHECK(CSSProperty::Get(property_id).IsShorthand());
CSSStyleSheet::RuleMutationScope mutation_scope(owner_rule_);
const auto result = GetStyleRule()->MutableProperties().SetProperty(
property_id, value, false /* important */, secure_context_mode);
return result.did_parse;
}
void DeclaredStylePropertyMap::SetCustomProperty(
const AtomicString& property_name,
const CSSValue& value) {
if (!GetStyleRule())
return;
CSSStyleSheet::RuleMutationScope mutation_scope(owner_rule_);
DCHECK(value.IsVariableReferenceValue());
CSSVariableData* variable_data =
ToCSSVariableReferenceValue(value).VariableDataValue();
GetStyleRule()->MutableProperties().SetProperty(
CSSPropertyVariable,
*CSSCustomPropertyDeclaration::Create(property_name, variable_data));
}
void DeclaredStylePropertyMap::RemoveProperty(CSSPropertyID property_id) {
if (!GetStyleRule())
return;
CSSStyleSheet::RuleMutationScope mutation_scope(owner_rule_);
GetStyleRule()->MutableProperties().RemoveProperty(property_id);
}
void DeclaredStylePropertyMap::RemoveCustomProperty(
const AtomicString& property_name) {
if (!GetStyleRule())
return;
CSSStyleSheet::RuleMutationScope mutation_scope(owner_rule_);
GetStyleRule()->MutableProperties().RemoveProperty(property_name);
}
void DeclaredStylePropertyMap::RemoveAllProperties() {
if (!GetStyleRule())
return;
CSSStyleSheet::RuleMutationScope mutation_scope(owner_rule_);
GetStyleRule()->MutableProperties().Clear();
}
void DeclaredStylePropertyMap::ForEachProperty(
const IterationCallback& callback) {
if (!GetStyleRule())
return;
const CSSPropertyValueSet& declared_style_set = GetStyleRule()->Properties();
for (unsigned i = 0; i < declared_style_set.PropertyCount(); i++) {
const auto& property_reference = declared_style_set.PropertyAt(i);
if (property_reference.Id() == CSSPropertyVariable) {
const auto& decl =
ToCSSCustomPropertyDeclaration(property_reference.Value());
callback(decl.GetName(), property_reference.Value());
} else {
const CSSProperty& property = CSSProperty::Get(property_reference.Id());
callback(property.GetPropertyNameAtomicString(),
property_reference.Value());
}
}
}
StyleRule* DeclaredStylePropertyMap::GetStyleRule() const {
if (!owner_rule_)
return nullptr;
return owner_rule_->GetStyleRule();
}
String DeclaredStylePropertyMap::SerializationForShorthand(
const CSSProperty& property) {
DCHECK(property.IsShorthand());
if (StyleRule* style_rule = GetStyleRule()) {
return StylePropertySerializer(style_rule->Properties())
.GetPropertyValue(property.PropertyID());
}
return "";
}
} // namespace blink
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