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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* (C) 2002-2003 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2002, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "third_party/blink/renderer/core/css/css_page_rule.h"
#include "third_party/blink/renderer/core/css/css_property_value_set.h"
#include "third_party/blink/renderer/core/css/css_selector.h"
#include "third_party/blink/renderer/core/css/css_style_sheet.h"
#include "third_party/blink/renderer/core/css/parser/css_parser.h"
#include "third_party/blink/renderer/core/css/style_rule.h"
#include "third_party/blink/renderer/core/css/style_rule_css_style_declaration.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
#include "third_party/blink/renderer/platform/wtf/text/string_builder.h"
namespace blink {
CSSPageRule::CSSPageRule(StyleRulePage* page_rule, CSSStyleSheet* parent)
: CSSRule(parent), page_rule_(page_rule) {}
CSSPageRule::~CSSPageRule() = default;
CSSStyleDeclaration* CSSPageRule::style() const {
if (!properties_cssom_wrapper_) {
properties_cssom_wrapper_ =
MakeGarbageCollected<StyleRuleCSSStyleDeclaration>(
page_rule_->MutableProperties(), const_cast<CSSPageRule*>(this));
}
return properties_cssom_wrapper_.Get();
}
String CSSPageRule::selectorText() const {
StringBuilder text;
const CSSSelector* selector = page_rule_->Selector();
if (selector) {
String page_specification = selector->SelectorText();
if (!page_specification.IsEmpty())
text.Append(page_specification);
}
return text.ToString();
}
void CSSPageRule::setSelectorText(const ExecutionContext* execution_context,
const String& selector_text) {
auto* context = MakeGarbageCollected<CSSParserContext>(
ParserContext(execution_context->GetSecureContextMode()));
DCHECK(context);
CSSSelectorList selector_list = CSSParser::ParsePageSelector(
*context, parentStyleSheet() ? parentStyleSheet()->Contents() : nullptr,
selector_text);
if (!selector_list.IsValid())
return;
CSSStyleSheet::RuleMutationScope mutation_scope(this);
page_rule_->WrapperAdoptSelectorList(std::move(selector_list));
}
String CSSPageRule::cssText() const {
StringBuilder result;
result.Append("@page ");
String page_selectors = selectorText();
result.Append(page_selectors);
if (!page_selectors.IsEmpty())
result.Append(' ');
result.Append("{ ");
String decls = page_rule_->Properties().AsText();
result.Append(decls);
if (!decls.IsEmpty())
result.Append(' ');
result.Append('}');
return result.ToString();
}
void CSSPageRule::Reattach(StyleRuleBase* rule) {
DCHECK(rule);
page_rule_ = To<StyleRulePage>(rule);
if (properties_cssom_wrapper_)
properties_cssom_wrapper_->Reattach(page_rule_->MutableProperties());
}
void CSSPageRule::Trace(blink::Visitor* visitor) {
visitor->Trace(page_rule_);
visitor->Trace(properties_cssom_wrapper_);
CSSRule::Trace(visitor);
}
} // namespace blink
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