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e0cde8499a
We can also remove all single document checks since in Sky we don't have the cross document cache so all sheets are always connected to a single document. I also did some minor code simplification and removed an OILPAN ifdef. R=ojan@chromium.org Review URL: https://codereview.chromium.org/799143002
110 lines
4.7 KiB
C++
110 lines
4.7 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/config.h"
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#include "sky/engine/core/css/resolver/ScopedStyleResolver.h"
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#include "sky/engine/core/css/CSSStyleSheet.h"
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#include "sky/engine/core/css/RuleFeature.h"
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#include "sky/engine/core/css/StyleRule.h"
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#include "sky/engine/core/css/StyleSheetContents.h"
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#include "sky/engine/core/css/resolver/StyleResolver.h"
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#include "sky/engine/core/dom/Document.h"
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#include "sky/engine/core/dom/shadow/ElementShadow.h"
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#include "sky/engine/core/dom/shadow/ShadowRoot.h"
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#include "sky/engine/core/html/HTMLStyleElement.h"
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namespace blink {
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void ScopedStyleResolver::addRulesFromSheet(CSSStyleSheet* cssSheet, const MediaQueryEvaluator& medium, StyleResolver* resolver)
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{
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m_authorStyleSheets.append(cssSheet);
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unsigned index = m_authorStyleSheets.size() - 1;
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StyleSheetContents* sheet = cssSheet->contents();
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AddRuleFlags addRuleFlags = RuleHasNoSpecialState;
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const RuleSet& ruleSet = sheet->ensureRuleSet(medium, addRuleFlags);
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resolver->addMediaQueryResults(ruleSet.viewportDependentMediaQueryResults());
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resolver->processScopedRules(ruleSet, cssSheet, index, treeScope().rootNode());
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}
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void ScopedStyleResolver::collectFeaturesTo(RuleFeatureSet& features, HashSet<const StyleSheetContents*>& visitedSharedStyleSheetContents) const
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{
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for (size_t i = 0; i < m_authorStyleSheets.size(); ++i) {
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StyleSheetContents* contents = m_authorStyleSheets[i]->contents();
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if (visitedSharedStyleSheetContents.add(contents).isNewEntry)
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features.add(contents->ruleSet().features());
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}
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}
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void ScopedStyleResolver::resetAuthorStyle()
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{
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m_authorStyleSheets.clear();
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m_keyframesRuleMap.clear();
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}
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const StyleRuleKeyframes* ScopedStyleResolver::keyframeStylesForAnimation(const StringImpl* animationName)
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{
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if (m_keyframesRuleMap.isEmpty())
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return 0;
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KeyframesRuleMap::iterator it = m_keyframesRuleMap.find(animationName);
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if (it == m_keyframesRuleMap.end())
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return 0;
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return it->value.get();
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}
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void ScopedStyleResolver::addKeyframeStyle(PassRefPtr<StyleRuleKeyframes> rule)
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{
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AtomicString s(rule->name());
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if (rule->isVendorPrefixed()) {
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KeyframesRuleMap::iterator it = m_keyframesRuleMap.find(rule->name().impl());
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if (it == m_keyframesRuleMap.end())
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m_keyframesRuleMap.set(s.impl(), rule);
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else if (it->value->isVendorPrefixed())
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m_keyframesRuleMap.set(s.impl(), rule);
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} else {
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m_keyframesRuleMap.set(s.impl(), rule);
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}
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}
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void ScopedStyleResolver::collectMatchingAuthorRules(ElementRuleCollector& collector, bool includeEmptyRules, bool applyAuthorStyles, CascadeScope cascadeScope, CascadeOrder cascadeOrder)
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{
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unsigned contextFlags = SelectorChecker::DefaultBehavior;
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if (!applyAuthorStyles)
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contextFlags |= SelectorChecker::ScopeContainsLastMatchedElement;
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RuleRange ruleRange = collector.matchedResult().ranges.authorRuleRange();
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for (size_t i = 0; i < m_authorStyleSheets.size(); ++i) {
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MatchRequest matchRequest(&m_authorStyleSheets[i]->contents()->ruleSet(), includeEmptyRules, &m_scope->rootNode(), m_authorStyleSheets[i], applyAuthorStyles, i);
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collector.collectMatchingRules(matchRequest, ruleRange, static_cast<SelectorChecker::ContextFlags>(contextFlags), cascadeScope, cascadeOrder);
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}
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}
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} // namespace blink
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