238 lines
7.2 KiB
C++
238 lines
7.2 KiB
C++
/*
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* Copyright (C) 2007, 2008, 2012, 2013, 2014 Apple 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "CSSKeyframesRule.h"
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#include "CSSDeferredParser.h"
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#include "CSSKeyframeRule.h"
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#include "CSSParser.h"
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#include "CSSRuleList.h"
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#include "CSSStyleSheet.h"
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#include "Document.h"
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#include <wtf/text/StringBuilder.h>
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namespace WebCore {
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StyleRuleKeyframes::StyleRuleKeyframes(const AtomString& name)
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: StyleRuleBase(StyleRuleType::Keyframes)
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, m_name(name)
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{
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}
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StyleRuleKeyframes::StyleRuleKeyframes(const AtomString& name, std::unique_ptr<DeferredStyleGroupRuleList>&& deferredRules)
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: StyleRuleBase(StyleRuleType::Keyframes)
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, m_name(name)
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, m_deferredRules(WTFMove(deferredRules))
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{
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}
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StyleRuleKeyframes::StyleRuleKeyframes(const StyleRuleKeyframes& o)
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: StyleRuleBase(o)
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, m_name(o.m_name)
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{
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m_keyframes.reserveInitialCapacity(o.keyframes().size());
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for (auto& keyframe : o.keyframes())
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m_keyframes.uncheckedAppend(keyframe.copyRef());
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}
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Ref<StyleRuleKeyframes> StyleRuleKeyframes::create(const AtomString& name)
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{
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return adoptRef(*new StyleRuleKeyframes(name));
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}
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Ref<StyleRuleKeyframes> StyleRuleKeyframes::create(const AtomString& name, std::unique_ptr<DeferredStyleGroupRuleList>&& deferredRules)
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{
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return adoptRef(*new StyleRuleKeyframes(name, WTFMove(deferredRules)));
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}
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StyleRuleKeyframes::~StyleRuleKeyframes() = default;
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void StyleRuleKeyframes::parseDeferredRulesIfNeeded() const
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{
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if (!m_deferredRules)
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return;
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m_deferredRules->parseDeferredKeyframes(const_cast<StyleRuleKeyframes&>(*this));
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m_deferredRules = nullptr;
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}
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const Vector<Ref<StyleRuleKeyframe>>& StyleRuleKeyframes::keyframes() const
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{
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parseDeferredRulesIfNeeded();
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return m_keyframes;
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}
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void StyleRuleKeyframes::parserAppendKeyframe(RefPtr<StyleRuleKeyframe>&& keyframe)
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{
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if (!keyframe)
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return;
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m_keyframes.append(keyframe.releaseNonNull());
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}
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void StyleRuleKeyframes::wrapperAppendKeyframe(Ref<StyleRuleKeyframe>&& keyframe)
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{
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parseDeferredRulesIfNeeded();
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m_keyframes.append(WTFMove(keyframe));
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}
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void StyleRuleKeyframes::wrapperRemoveKeyframe(unsigned index)
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{
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parseDeferredRulesIfNeeded();
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m_keyframes.remove(index);
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}
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std::optional<size_t> StyleRuleKeyframes::findKeyframeIndex(const String& key) const
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{
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parseDeferredRulesIfNeeded();
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auto keys = CSSParser::parseKeyframeKeyList(key);
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if (keys.isEmpty())
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return std::nullopt;
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for (auto i = m_keyframes.size(); i--; ) {
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if (m_keyframes[i]->keys() == keys)
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return i;
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}
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return std::nullopt;
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}
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void StyleRuleKeyframes::shrinkToFit()
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{
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m_keyframes.shrinkToFit();
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}
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CSSKeyframesRule::CSSKeyframesRule(StyleRuleKeyframes& keyframesRule, CSSStyleSheet* parent)
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: CSSRule(parent)
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, m_keyframesRule(keyframesRule)
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, m_childRuleCSSOMWrappers(keyframesRule.keyframes().size())
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{
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}
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CSSKeyframesRule::~CSSKeyframesRule()
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{
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ASSERT(m_childRuleCSSOMWrappers.size() == m_keyframesRule->keyframes().size());
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for (unsigned i = 0; i < m_childRuleCSSOMWrappers.size(); ++i) {
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if (m_childRuleCSSOMWrappers[i])
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m_childRuleCSSOMWrappers[i]->setParentRule(0);
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}
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}
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void CSSKeyframesRule::setName(const String& name)
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{
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CSSStyleSheet::RuleMutationScope mutationScope(this);
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m_keyframesRule->setName(name);
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}
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void CSSKeyframesRule::appendRule(const String& ruleText)
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{
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ASSERT(m_childRuleCSSOMWrappers.size() == m_keyframesRule->keyframes().size());
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CSSParser parser(parserContext());
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RefPtr<StyleRuleKeyframe> keyframe = parser.parseKeyframeRule(ruleText);
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if (!keyframe)
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return;
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CSSStyleSheet::RuleMutationScope mutationScope(this);
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m_keyframesRule->wrapperAppendKeyframe(keyframe.releaseNonNull());
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m_childRuleCSSOMWrappers.grow(length());
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}
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void CSSKeyframesRule::insertRule(const String& ruleText)
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{
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if (CSSStyleSheet* parent = parentStyleSheet()) {
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if (Document* ownerDocument = parent->ownerDocument())
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ownerDocument->addConsoleMessage(MessageSource::JS, MessageLevel::Warning, "CSSKeyframesRule 'insertRule' function is deprecated. Use 'appendRule' instead."_s);
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}
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appendRule(ruleText);
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}
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void CSSKeyframesRule::deleteRule(const String& s)
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{
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ASSERT(m_childRuleCSSOMWrappers.size() == m_keyframesRule->keyframes().size());
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auto i = m_keyframesRule->findKeyframeIndex(s);
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if (!i)
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return;
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CSSStyleSheet::RuleMutationScope mutationScope(this);
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m_keyframesRule->wrapperRemoveKeyframe(*i);
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if (m_childRuleCSSOMWrappers[*i])
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m_childRuleCSSOMWrappers[*i]->setParentRule(nullptr);
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m_childRuleCSSOMWrappers.remove(*i);
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}
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CSSKeyframeRule* CSSKeyframesRule::findRule(const String& s)
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{
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auto i = m_keyframesRule->findKeyframeIndex(s);
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return i ? item(*i) : nullptr;
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}
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String CSSKeyframesRule::cssText() const
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{
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StringBuilder result;
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result.append("@-webkit-keyframes ", name(), " { \n");
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for (unsigned i = 0, size = length(); i < size; ++i)
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result.append(" ", m_keyframesRule->keyframes()[i]->cssText(), '\n');
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result.append('}');
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return result.toString();
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}
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unsigned CSSKeyframesRule::length() const
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{
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return m_keyframesRule->keyframes().size();
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}
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CSSKeyframeRule* CSSKeyframesRule::item(unsigned index) const
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{
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if (index >= length())
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return nullptr;
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ASSERT(m_childRuleCSSOMWrappers.size() == m_keyframesRule->keyframes().size());
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auto& rule = m_childRuleCSSOMWrappers[index];
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if (!rule)
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rule = adoptRef(*new CSSKeyframeRule(m_keyframesRule->keyframes()[index], const_cast<CSSKeyframesRule*>(this)));
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return rule.get();
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}
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CSSRuleList& CSSKeyframesRule::cssRules()
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{
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if (!m_ruleListCSSOMWrapper)
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m_ruleListCSSOMWrapper = makeUnique<LiveCSSRuleList<CSSKeyframesRule>>(*this);
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return *m_ruleListCSSOMWrapper;
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}
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void CSSKeyframesRule::reattach(StyleRuleBase& rule)
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{
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ASSERT_WITH_SECURITY_IMPLICATION(rule.isKeyframesRule());
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m_keyframesRule = static_cast<StyleRuleKeyframes&>(rule);
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}
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} // namespace WebCore
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