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/*
* Copyright (C) 2007, 2008 Apple 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 "config.h"
#include "CSSParser.h"
#include "WebKitCSSKeyframesRule.h"
#include "WebKitCSSKeyframeRule.h"
#include "CSSRuleList.h"
#include "StyleSheet.h"
namespace WebCore {
WebKitCSSKeyframesRule::WebKitCSSKeyframesRule(CSSStyleSheet* parent)
: CSSRule(parent)
, m_lstCSSRules(CSSRuleList::create())
{
}
WebKitCSSKeyframesRule::~WebKitCSSKeyframesRule()
{
int length = m_lstCSSRules->length();
if (length == 0)
return;
for (int i = 0; i < length; i++)
m_lstCSSRules->item(i)->setParent(0);
}
String WebKitCSSKeyframesRule::name() const
{
return m_name;
}
void WebKitCSSKeyframesRule::setName(const String& name)
{
m_name = name;
// Since the name is used in the keyframe map list in CSSStyleSelector, we need
// to recompute the style sheet to get the updated name.
stylesheet()->styleSheetChanged();
}
unsigned WebKitCSSKeyframesRule::length() const
{
return m_lstCSSRules.get()->length();
}
WebKitCSSKeyframeRule* WebKitCSSKeyframesRule::item(unsigned index)
{
CSSRule* rule = m_lstCSSRules.get()->item(index);
return (rule && rule->isKeyframeRule()) ? static_cast<WebKitCSSKeyframeRule*>(rule) : 0;
}
const WebKitCSSKeyframeRule* WebKitCSSKeyframesRule::item(unsigned index) const
{
CSSRule* rule = m_lstCSSRules.get()->item(index);
return (rule && rule->isKeyframeRule()) ? static_cast<const WebKitCSSKeyframeRule*>(rule) : 0;
}
void WebKitCSSKeyframesRule::append(WebKitCSSKeyframeRule* rule)
{
m_lstCSSRules.get()->append(rule);
}
void WebKitCSSKeyframesRule::insertRule(const String& rule)
{
CSSParser p(useStrictParsing());
RefPtr<CSSRule> newRule = p.parseKeyframeRule(parentStyleSheet(), rule);
if (newRule.get() && newRule.get()->isKeyframeRule())
append(static_cast<WebKitCSSKeyframeRule*>(newRule.get()));
}
void WebKitCSSKeyframesRule::deleteRule(const String& s)
{
int i = findRuleIndex(s);
if (i >= 0)
m_lstCSSRules.get()->deleteRule(i);
}
WebKitCSSKeyframeRule* WebKitCSSKeyframesRule::findRule(const String& s)
{
int i = findRuleIndex(s);
return (i >= 0) ? item(i) : 0;
}
int WebKitCSSKeyframesRule::findRuleIndex(const String& key) const
{
String percentageString;
if (equalIgnoringCase(key, "from"))
percentageString = "0%";
else if (equalIgnoringCase(key, "to"))
percentageString = "100%";
else
percentageString = key;
for (unsigned i = 0; i < length(); ++i) {
if (item(i)->keyText() == percentageString)
return i;
}
return -1;
}
String WebKitCSSKeyframesRule::cssText() const
{
String result = "@-webkit-keyframes ";
result += m_name;
result += " { \n";
if (m_lstCSSRules) {
unsigned len = m_lstCSSRules->length();
for (unsigned i = 0; i < len; i++) {
result += " ";
result += m_lstCSSRules->item(i)->cssText();
result += "\n";
}
}
result += "}";
return result;
}
} // namespace WebCore
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