Source/WebKit/chromium/src/WebDOMEventListenerPrivate.h

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 */

#ifndef WebDOMEventListenerPrivate_h
#define WebDOMEventListenerPrivate_h

#include "WebString.h"

#include <wtf/Vector.h>

namespace WebCore {
class Node;
}

namespace WebKit {

class EventListenerWrapper;
class WebDOMEventListener;

class WebDOMEventListenerPrivate {
public:
    WebDOMEventListenerPrivate(WebDOMEventListener* webDOMEventListener);
    ~WebDOMEventListenerPrivate();

    EventListenerWrapper* createEventListenerWrapper(
        const WebString& eventType, bool useCapture, WebCore::Node*);

    // Gets the ListenerEventWrapper for a specific node.
    // Used by WebNode::removeDOMEventListener().
    EventListenerWrapper* getEventListenerWrapper(
        const WebString& eventType, bool useCapture, WebCore::Node*);

    // Called by the WebDOMEventListener when it is about to be deleted.
    void webDOMEventListenerDeleted();

    // Called by the EventListenerWrapper when it is about to be deleted.
    void eventListenerDeleted(EventListenerWrapper* eventListener);

    struct ListenerInfo {
        ListenerInfo(const WebString& eventType, bool useCapture,
                     EventListenerWrapper* eventListenerWrapper,
                     WebCore::Node* node)
            : eventType(eventType)
            , useCapture(useCapture)
            , eventListenerWrapper(eventListenerWrapper)
            , node(node)
        {
        }

        WebString eventType;
        bool useCapture;
        EventListenerWrapper* eventListenerWrapper;
        WebCore::Node* node;
    };

private:
    WebDOMEventListener* m_webDOMEventListener;

    // We keep a list of the wrapper for the WebKit EventListener, it is needed
    // to implement WebNode::removeEventListener().
    Vector<ListenerInfo> m_listenerWrappers;
};

} // namespace WebKit

#endif