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/*
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* Copyright (C) 2007, 2008 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 COMPUTER, 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 COMPUTER, 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 "CSSParser.h"
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#include "WebKitCSSKeyframesRule.h"
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#include "WebKitCSSKeyframeRule.h"
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#include "CSSRuleList.h"
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#include "StyleSheet.h"
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namespace WebCore {
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WebKitCSSKeyframesRule::WebKitCSSKeyframesRule(CSSStyleSheet* parent)
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: CSSRule(parent)
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, m_lstCSSRules(CSSRuleList::create())
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{
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}
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WebKitCSSKeyframesRule::~WebKitCSSKeyframesRule()
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{
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int length = m_lstCSSRules->length();
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if (length == 0)
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return;
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for (int i = 0; i < length; i++)
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m_lstCSSRules->item(i)->setParent(0);
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}
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String WebKitCSSKeyframesRule::name() const
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{
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return m_name;
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}
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void WebKitCSSKeyframesRule::setName(const String& name)
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{
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m_name = name;
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// Since the name is used in the keyframe map list in CSSStyleSelector, we need
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// to recompute the style sheet to get the updated name.
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stylesheet()->styleSheetChanged();
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}
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unsigned WebKitCSSKeyframesRule::length() const
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{
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return m_lstCSSRules.get()->length();
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}
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WebKitCSSKeyframeRule* WebKitCSSKeyframesRule::item(unsigned index)
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{
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CSSRule* rule = m_lstCSSRules.get()->item(index);
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return (rule && rule->isKeyframeRule()) ? static_cast<WebKitCSSKeyframeRule*>(rule) : 0;
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}
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const WebKitCSSKeyframeRule* WebKitCSSKeyframesRule::item(unsigned index) const
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{
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CSSRule* rule = m_lstCSSRules.get()->item(index);
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return (rule && rule->isKeyframeRule()) ? static_cast<const WebKitCSSKeyframeRule*>(rule) : 0;
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}
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void WebKitCSSKeyframesRule::append(WebKitCSSKeyframeRule* rule)
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{
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m_lstCSSRules.get()->append(rule);
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}
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void WebKitCSSKeyframesRule::insertRule(const String& rule)
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{
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CSSParser p(useStrictParsing());
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RefPtr<CSSRule> newRule = p.parseKeyframeRule(parentStyleSheet(), rule);
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if (newRule.get() && newRule.get()->isKeyframeRule())
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append(static_cast<WebKitCSSKeyframeRule*>(newRule.get()));
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}
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void WebKitCSSKeyframesRule::deleteRule(const String& s)
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{
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int i = findRuleIndex(s);
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if (i >= 0)
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m_lstCSSRules.get()->deleteRule(i);
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}
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WebKitCSSKeyframeRule* WebKitCSSKeyframesRule::findRule(const String& s)
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{
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int i = findRuleIndex(s);
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return (i >= 0) ? item(i) : 0;
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}
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int WebKitCSSKeyframesRule::findRuleIndex(const String& key) const
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{
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for (unsigned i = 0; i < length(); ++i) {
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if (item(i)->keyText() == key)
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return i;
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}
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return -1;
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}
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String WebKitCSSKeyframesRule::cssText() const
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{
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String result = "@-webkit-keyframes ";
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result += m_name;
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result += " { \n";
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if (m_lstCSSRules) {
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unsigned len = m_lstCSSRules->length();
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for (unsigned i = 0; i < len; i++) {
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result += " ";
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result += m_lstCSSRules->item(i)->cssText();
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result += "\n";
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}
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}
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result += "}";
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return result;
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}
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} // namespace WebCore
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