1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef WebDOMEventListenerPrivate_h
32#define WebDOMEventListenerPrivate_h
33
34#include "WebString.h"
35
36#include <wtf/Vector.h>
37
38namespace WebCore {
39class Node;
40}
41
42namespace WebKit {
43
44class EventListenerWrapper;
45class WebDOMEventListener;
46
47class WebDOMEventListenerPrivate {
48public:
49    WebDOMEventListenerPrivate(WebDOMEventListener* webDOMEventListener);
50    ~WebDOMEventListenerPrivate();
51
52    EventListenerWrapper* createEventListenerWrapper(
53        const WebString& eventType, bool useCapture, WebCore::Node*);
54
55    // Gets the ListenerEventWrapper for a specific node.
56    // Used by WebNode::removeDOMEventListener().
57    EventListenerWrapper* getEventListenerWrapper(
58        const WebString& eventType, bool useCapture, WebCore::Node*);
59
60    // Called by the WebDOMEventListener when it is about to be deleted.
61    void webDOMEventListenerDeleted();
62
63    // Called by the EventListenerWrapper when it is about to be deleted.
64    void eventListenerDeleted(EventListenerWrapper* eventListener);
65
66    struct ListenerInfo {
67        ListenerInfo(const WebString& eventType, bool useCapture,
68                     EventListenerWrapper* eventListenerWrapper,
69                     WebCore::Node* node)
70            : eventType(eventType)
71            , useCapture(useCapture)
72            , eventListenerWrapper(eventListenerWrapper)
73            , node(node)
74        {
75        }
76
77        WebString eventType;
78        bool useCapture;
79        EventListenerWrapper* eventListenerWrapper;
80        WebCore::Node* node;
81    };
82
83private:
84    WebDOMEventListener* m_webDOMEventListener;
85
86    // We keep a list of the wrapper for the WebKit EventListener, it is needed
87    // to implement WebNode::removeEventListener().
88    Vector<ListenerInfo> m_listenerWrappers;
89};
90
91} // namespace WebKit
92
93#endif
94