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ca96d732de
The code to make them dynamically update was already removed when Document::inheritHtmlAndBodyElementStyles was removed. We might want to add them back later, but probably in a different way, so lets remove the code for now to make refactoring the style system easier. R=eseidel@chromium.org Review URL: https://codereview.chromium.org/788883005
122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
/*
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* (C) 1999-2003 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "sky/engine/config.h"
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#include "sky/engine/core/css/StyleSheetContents.h"
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#include "sky/engine/core/css/CSSStyleSheet.h"
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#include "sky/engine/core/css/MediaList.h"
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#include "sky/engine/core/css/StylePropertySet.h"
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#include "sky/engine/core/css/StyleRule.h"
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#include "sky/engine/core/css/parser/BisonCSSParser.h"
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#include "sky/engine/core/dom/Document.h"
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#include "sky/engine/core/dom/Node.h"
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#include "sky/engine/core/dom/StyleEngine.h"
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#include "sky/engine/core/frame/UseCounter.h"
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#include "sky/engine/platform/TraceEvent.h"
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#include "sky/engine/wtf/Deque.h"
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namespace blink {
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StyleSheetContents::StyleSheetContents(const CSSParserContext& context)
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: m_hasMediaQueries(false)
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, m_parserContext(context)
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{
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}
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StyleSheetContents::~StyleSheetContents()
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{
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// TODO(esprehn): Why is this here? The rules will be cleared immediately
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// after this destructor runs anyway.
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m_childRules.clear();
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}
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void StyleSheetContents::parserAppendRule(PassRefPtr<StyleRuleBase> rule)
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{
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if (rule->isMediaRule())
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setHasMediaQueries();
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m_childRules.append(rule);
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}
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void StyleSheetContents::setHasMediaQueries()
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{
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m_hasMediaQueries = true;
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}
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bool StyleSheetContents::parseString(const String& sheetText)
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{
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CSSParserContext context(parserContext(), UseCounter::getFrom(this));
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BisonCSSParser p(context);
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p.parseSheet(this, sheetText);
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return true;
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}
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void StyleSheetContents::registerClient(CSSStyleSheet* sheet)
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{
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ASSERT(!m_clients.contains(sheet));
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// InspectorCSSAgent::buildObjectForRule creates CSSStyleSheet without any owner node.
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if (!sheet->ownerDocument())
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return;
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m_clients.add(sheet);
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}
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void StyleSheetContents::unregisterClient(CSSStyleSheet* sheet)
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{
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m_clients.remove(sheet);
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if (!sheet->ownerDocument() || !m_clients.isEmpty())
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return;
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sheet->ownerDocument()->styleEngine()->removeSheet(this);
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}
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void StyleSheetContents::shrinkToFit()
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{
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m_childRules.shrinkToFit();
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}
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RuleSet& StyleSheetContents::ensureRuleSet(const MediaQueryEvaluator& medium, AddRuleFlags addRuleFlags)
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{
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if (!m_ruleSet) {
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m_ruleSet = RuleSet::create();
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m_ruleSet->addRulesFromSheet(this, medium, addRuleFlags);
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}
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return *m_ruleSet.get();
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}
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void StyleSheetContents::clearRuleSet()
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{
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// Don't want to clear the StyleResolver if the RuleSet hasn't been created
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// since we only clear the StyleResolver so that it's members are properly
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// updated in ScopedStyleResolver::addRulesFromSheet.
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if (!m_ruleSet)
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return;
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// Clearing the ruleSet means we need to recreate the styleResolver data structures.
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// See the StyleResolver calls in ScopedStyleResolver::addRulesFromSheet.
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for (RawPtr<CSSStyleSheet> client : m_clients) {
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if (Document* document = client->ownerDocument())
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document->styleEngine()->clearResolver();
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}
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m_ruleSet.clear();
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}
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}
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