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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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Neither the name of Google Inc. 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 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.
*/
#ifndef StyleSheetCandidate_h
#define StyleSheetCandidate_h
#include "platform/heap/Handle.h"
#include "wtf/text/AtomicString.h"
#include "wtf/text/WTFString.h"
namespace blink {
class Document;
class Node;
class StyleSheet;
class StyleSheetCandidate {
STACK_ALLOCATED();
public:
enum Type { HTMLLink, HTMLStyle, SVGStyle, Pi };
StyleSheetCandidate(Node& node) : m_node(node), m_type(typeOf(node)) {}
bool isXSL() const;
bool isImport() const;
bool isAlternate() const;
bool isEnabledViaScript() const;
bool isEnabledAndLoading() const;
bool canBeActivated(const String& currentPreferrableName) const;
bool isCSSStyle() const;
StyleSheet* sheet() const;
AtomicString title() const;
Document* importedDocument() const;
private:
bool isElement() const { return m_type != Pi; }
bool isHTMLLink() const { return m_type == HTMLLink; }
Node& node() const { return *m_node; }
static Type typeOf(Node&);
Member<Node> m_node;
Type m_type;
};
} // namespace blink
#endif
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