chromium/third_party/blink/public/web/web_node.h

/*
 * 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,
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 */

#ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_NODE_H_
#define THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_NODE_H_

#include <iosfwd>

#include "base/functional/callback_helpers.h"
#include "base/functional/function_ref.h"
#include "cc/paint/element_id.h"
#include "third_party/blink/public/platform/web_common.h"
#include "third_party/blink/public/platform/web_private_ptr.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/platform/web_vector.h"
#include "third_party/blink/public/web/web_dom_event.h"
#include "v8/include/v8-forward.h"

namespace blink {

class Node;
class WebDocument;
class WebElement;
class WebElementCollection;
class WebPluginContainer;

// Provides access to some properties of a DOM node.
// Note that the class design requires that neither this class nor any of its
// subclasses have any virtual methods (other than the destructor), so that it
// is possible to safely static_cast an instance of one class to the appropriate
// subclass based on the actual type of the wrapped blink::Node. For the same
// reason, subclasses must not add any additional data members.
class BLINK_EXPORT WebNode { … };

#define DECLARE_WEB_NODE_TYPE_CASTS(type) …

#if INSIDE_BLINK
#define DEFINE_WEB_NODE_TYPE_CASTS …
#endif

inline bool operator==(const WebNode& a, const WebNode& b) { … }

inline bool operator!=(const WebNode& a, const WebNode& b) { … }

inline bool operator<(const WebNode& a, const WebNode& b) { … }

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_NODE_H_