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/*
* Copyright (C) 2009 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.
* * 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.
* * 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 WebNode_h
#define WebNode_h
#include "WebCommon.h"
#include "WebString.h"
namespace WebCore { class Node; }
#if WEBKIT_IMPLEMENTATION
namespace WTF { template <typename T> class PassRefPtr; }
#endif
namespace WebKit {
class WebFrame;
// Provides readonly access to some properties of a DOM node.
class WebNode {
public:
virtual ~WebNode() { reset(); }
WebNode() : m_private(0) { }
WebNode(const WebNode& n) : m_private(0) { assign(n); }
WebNode& operator=(const WebNode& n)
{
assign(n);
return *this;
}
WEBKIT_API void reset();
WEBKIT_API void assign(const WebNode&);
bool isNull() const { return !m_private; }
#if WEBKIT_IMPLEMENTATION
WebNode(const WTF::PassRefPtr<WebCore::Node>&);
WebNode& operator=(const WTF::PassRefPtr<WebCore::Node>&);
operator WTF::PassRefPtr<WebCore::Node>() const;
#endif
WEBKIT_API WebNode parentNode() const;
WEBKIT_API WebString nodeName() const;
WEBKIT_API WebFrame* frame() const;
template<typename T> T toElement()
{
T res;
res.m_private = m_private;
return res;
}
protected:
typedef WebCore::Node WebNodePrivate;
void assign(WebNodePrivate*);
WebNodePrivate* m_private;
template<typename T> T* unwrap()
{
return static_cast<T*>(m_private);
}
template<typename T> const T* constUnwrap() const
{
return static_cast<const T*>(m_private);
}
};
} // namespace WebKit
#endif
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