| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "sky/engine/core/css/resolver/ScopedStyleResolver.h" |
| |
| #include "sky/engine/core/css/RuleFeature.h" |
| #include "sky/engine/core/css/StyleRule.h" |
| #include "sky/engine/core/css/StyleSheetContents.h" |
| #include "sky/engine/core/css/resolver/StyleResolver.h" |
| #include "sky/engine/core/dom/Document.h" |
| #include "sky/engine/core/dom/StyleEngine.h" |
| #include "sky/engine/core/dom/TreeScope.h" |
| |
| namespace blink { |
| |
| ScopedStyleResolver::ScopedStyleResolver(TreeScope& scope) |
| : m_scope(scope) |
| { |
| } |
| |
| void ScopedStyleResolver::updateActiveStyleSheets() |
| { |
| Vector<RefPtr<CSSStyleSheet>> candidateSheets; |
| collectStyleSheets(candidateSheets); |
| m_authorStyleSheets.swap(candidateSheets); |
| |
| Node& root = m_scope.rootNode(); |
| |
| // TODO(esprehn): We should avoid subtree recalcs in sky when rules change |
| // and only recalc specific tree scopes. |
| root.setNeedsStyleRecalc(SubtreeStyleChange); |
| } |
| |
| bool ScopedStyleResolver::hasSelectorForId(const AtomicString& id) const |
| { |
| for (auto& sheet : m_authorStyleSheets) { |
| RuleSet& ruleSet = sheet->contents()->ensureRuleSet(); |
| if (ruleSet.features().hasSelectorForId(id)) |
| return true; |
| } |
| return false; |
| } |
| |
| bool ScopedStyleResolver::hasSelectorForClass(const AtomicString& className) const |
| { |
| for (auto& sheet : m_authorStyleSheets) { |
| RuleSet& ruleSet = sheet->contents()->ensureRuleSet(); |
| if (ruleSet.features().hasSelectorForClass(className)) |
| return true; |
| } |
| return false; |
| } |
| |
| bool ScopedStyleResolver::hasSelectorForAttribute(const AtomicString& attributeName) const |
| { |
| for (auto& sheet : m_authorStyleSheets) { |
| RuleSet& ruleSet = sheet->contents()->ensureRuleSet(); |
| if (ruleSet.features().hasSelectorForAttribute(attributeName)) |
| return true; |
| } |
| return false; |
| } |
| |
| void ScopedStyleResolver::collectStyleSheets(Vector<RefPtr<CSSStyleSheet>>& sheets) |
| { |
| } |
| |
| void ScopedStyleResolver::collectMatchingAuthorRules(ElementRuleCollector& collector, CascadeOrder cascadeOrder) |
| { |
| for (size_t i = 0; i < m_authorStyleSheets.size(); ++i) { |
| MatchRequest matchRequest(&m_authorStyleSheets[i]->contents()->ensureRuleSet(), m_authorStyleSheets[i].get(), i); |
| collector.collectMatchingRules(matchRequest, cascadeOrder); |
| } |
| } |
| |
| void ScopedStyleResolver::collectMatchingHostRules(ElementRuleCollector& collector, CascadeOrder cascadeOrder) |
| { |
| for (size_t i = 0; i < m_authorStyleSheets.size(); ++i) { |
| MatchRequest matchRequest(&m_authorStyleSheets[i]->contents()->ensureRuleSet(), m_authorStyleSheets[i].get(), i); |
| collector.collectMatchingHostRules(matchRequest, cascadeOrder); |
| } |
| } |
| |
| } // namespace blink |