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/*
* Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
* Copyright (C) 2010 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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"
#if ENABLE(MATHML)
#include "MathMLTextElement.h"
#include "MathMLNames.h"
#include "RenderMathMLOperator.h"
#include "RenderMathMLSpace.h"
#include "RenderMathMLToken.h"
namespace WebCore {
using namespace MathMLNames;
inline MathMLTextElement::MathMLTextElement(const QualifiedName& tagName, Document& document)
: MathMLElement(tagName, document)
{
setHasCustomStyleResolveCallbacks();
}
PassRefPtr<MathMLTextElement> MathMLTextElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(new MathMLTextElement(tagName, document));
}
void MathMLTextElement::didAttachRenderers()
{
MathMLElement::didAttachRenderers();
if (renderer() && renderer()->isRenderMathMLToken())
toRenderMathMLToken(renderer())->updateTokenContent();
}
void MathMLTextElement::childrenChanged(const ChildChange& change)
{
MathMLElement::childrenChanged(change);
if (renderer() && renderer()->isRenderMathMLToken())
toRenderMathMLToken(renderer())->updateTokenContent();
}
RenderPtr<RenderElement> MathMLTextElement::createElementRenderer(PassRef<RenderStyle> style)
{
if (hasTagName(MathMLNames::moTag))
return createRenderer<RenderMathMLOperator>(*this, WTF::move(style));
if (hasTagName(MathMLNames::mspaceTag))
return createRenderer<RenderMathMLSpace>(*this, WTF::move(style));
if (hasTagName(MathMLNames::annotationTag))
return MathMLElement::createElementRenderer(WTF::move(style));
ASSERT(hasTagName(MathMLNames::miTag) || hasTagName(MathMLNames::mnTag) || hasTagName(MathMLNames::msTag) || hasTagName(MathMLNames::mtextTag));
return createRenderer<RenderMathMLToken>(*this, WTF::move(style));
}
bool MathMLTextElement::childShouldCreateRenderer(const Node& child) const
{
if (hasTagName(MathMLNames::mspaceTag))
return false;
// FIXME: phrasing content should be accepted in <mo> elements too (https://bugs.webkit.org/show_bug.cgi?id=130245).
if (hasTagName(MathMLNames::annotationTag) || hasTagName(MathMLNames::moTag))
return child.isTextNode();
// The HTML specification defines <mi>, <mo>, <mn>, <ms> and <mtext> as insertion points.
return isPhrasingContent(child) && StyledElement::childShouldCreateRenderer(child);
}
}
#endif // ENABLE(MATHML)
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