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/*
* Copyright (C) 2013 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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 "config.h"
#include "core/css/CSSVariablesMap.h"
#include "core/css/CSSStyleDeclaration.h"
namespace WebCore {
unsigned CSSVariablesMap::size() const
{
if (m_styleDeclaration)
return m_styleDeclaration->variableCount();
return 0;
}
String CSSVariablesMap::get(const AtomicString& name) const
{
if (m_styleDeclaration)
return m_styleDeclaration->variableValue(name);
return String();
}
bool CSSVariablesMap::has(const AtomicString& name) const
{
if (m_styleDeclaration)
return !get(name).isEmpty();
return false;
}
void CSSVariablesMap::set(const AtomicString& name, const String& value, ExceptionState& exceptionState)
{
if (!m_styleDeclaration)
return;
if (m_styleDeclaration->setVariableValue(name, value, exceptionState)) {
Iterators::iterator end = m_activeIterators.end();
for (Iterators::iterator it = m_activeIterators.begin(); it != end; ++it)
(*it)->addedVariable(name);
}
}
bool CSSVariablesMap::remove(const AtomicString& name)
{
if (!m_styleDeclaration)
return false;
if (m_styleDeclaration->removeVariable(name)) {
Iterators::iterator end = m_activeIterators.end();
for (Iterators::iterator it = m_activeIterators.begin(); it != end; ++it)
(*it)->removedVariable(name);
return true;
}
return false;
}
void CSSVariablesMap::clear(ExceptionState& exceptionState)
{
if (!m_styleDeclaration)
return;
if (m_styleDeclaration->clearVariables(exceptionState)) {
Iterators::iterator end = m_activeIterators.end();
for (Iterators::iterator it = m_activeIterators.begin(); it != end; ++it)
(*it)->clearedVariables();
}
}
void CSSVariablesMap::forEach(PassOwnPtr<CSSVariablesMapForEachCallback> callback, ScriptValue& thisArg) const
{
forEach(callback, &thisArg);
}
void CSSVariablesMap::forEach(PassOwnPtr<CSSVariablesMapForEachCallback> callback) const
{
forEach(callback, 0);
}
void CSSVariablesMap::forEach(PassOwnPtr<CSSVariablesMapForEachCallback> callback, ScriptValue* thisArg) const
{
if (!m_styleDeclaration)
return;
RefPtr<CSSVariablesIterator> iterator = m_styleDeclaration->variablesIterator();
m_activeIterators.append(iterator.get());
while (!iterator->atEnd()) {
String name = iterator->name();
String value = iterator->value();
if (thisArg)
callback->handleItem(*thisArg, value, name, const_cast<CSSVariablesMap*>(this));
else
callback->handleItem(value, name, const_cast<CSSVariablesMap*>(this));
iterator->advance();
}
ASSERT(m_activeIterators.last() == iterator.get());
m_activeIterators.removeLast();
}
} // namespace WebCore
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