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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "core/css/StyleRuleKeyframe.h"
#include "core/css/StylePropertySet.h"
#include "core/css/parser/CSSParser.h"
#include "wtf/text/StringBuilder.h"
#include <memory>
namespace blink {
StyleRuleKeyframe::StyleRuleKeyframe(std::unique_ptr<Vector<double>> keys,
StylePropertySet* properties)
: StyleRuleBase(Keyframe), m_properties(properties), m_keys(*keys) {}
String StyleRuleKeyframe::keyText() const {
ASSERT(!m_keys.isEmpty());
StringBuilder keyText;
for (unsigned i = 0; i < m_keys.size(); ++i) {
if (i)
keyText.append(", ");
keyText.appendNumber(m_keys.at(i) * 100);
keyText.append('%');
}
return keyText.toString();
}
bool StyleRuleKeyframe::setKeyText(const String& keyText) {
ASSERT(!keyText.isNull());
std::unique_ptr<Vector<double>> keys =
CSSParser::parseKeyframeKeyList(keyText);
if (!keys || keys->isEmpty())
return false;
m_keys = *keys;
return true;
}
const Vector<double>& StyleRuleKeyframe::keys() const {
return m_keys;
}
MutableStylePropertySet& StyleRuleKeyframe::mutableProperties() {
if (!m_properties->isMutable())
m_properties = m_properties->mutableCopy();
return *toMutableStylePropertySet(m_properties.get());
}
String StyleRuleKeyframe::cssText() const {
StringBuilder result;
result.append(keyText());
result.append(" { ");
String decls = m_properties->asText();
result.append(decls);
if (!decls.isEmpty())
result.append(' ');
result.append('}');
return result.toString();
}
DEFINE_TRACE_AFTER_DISPATCH(StyleRuleKeyframe) {
visitor->trace(m_properties);
StyleRuleBase::traceAfterDispatch(visitor);
}
} // namespace blink
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