1/*
2 * Copyright (C) 2013 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef FocusEvent_h
27#define FocusEvent_h
28
29#include "EventTarget.h"
30#include "UIEvent.h"
31
32namespace WebCore {
33
34class Node;
35
36struct FocusEventInit : public UIEventInit {
37    FocusEventInit();
38
39    RefPtr<EventTarget> relatedTarget;
40};
41
42class FocusEvent : public UIEvent {
43public:
44    static PassRefPtr<FocusEvent> create()
45    {
46        return adoptRef(new FocusEvent);
47    }
48
49    static PassRefPtr<FocusEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView> view, int detail, PassRefPtr<EventTarget> relatedTarget)
50    {
51        return adoptRef(new FocusEvent(type, canBubble, cancelable, view, detail, relatedTarget));
52    }
53
54    static PassRefPtr<FocusEvent> create(const AtomicString& type, const FocusEventInit& initializer)
55    {
56        return adoptRef(new FocusEvent(type, initializer));
57    }
58
59    EventTarget* relatedTarget() const { return m_relatedTarget.get(); }
60    void setRelatedTarget(PassRefPtr<EventTarget> relatedTarget) { m_relatedTarget = relatedTarget; }
61
62    virtual const AtomicString& interfaceName() const;
63    virtual bool isFocusEvent() const;
64
65private:
66    FocusEvent();
67    FocusEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, int, PassRefPtr<EventTarget>);
68    FocusEvent(const AtomicString& type, const FocusEventInit&);
69
70    RefPtr<EventTarget> m_relatedTarget;
71};
72
73inline FocusEvent* toFocusEvent(Event* event)
74{
75    ASSERT(event && event->isFocusEvent());
76    return static_cast<FocusEvent*>(event);
77}
78
79class FocusEventDispatchMediator : public EventDispatchMediator {
80public:
81    static PassRefPtr<FocusEventDispatchMediator> create(PassRefPtr<FocusEvent>);
82private:
83    explicit FocusEventDispatchMediator(PassRefPtr<FocusEvent>);
84    FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
85    virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
86};
87
88class BlurEventDispatchMediator : public EventDispatchMediator {
89public:
90    static PassRefPtr<BlurEventDispatchMediator> create(PassRefPtr<FocusEvent>);
91private:
92    explicit BlurEventDispatchMediator(PassRefPtr<FocusEvent>);
93    FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
94    virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
95};
96
97class FocusInEventDispatchMediator : public EventDispatchMediator {
98public:
99    static PassRefPtr<FocusInEventDispatchMediator> create(PassRefPtr<FocusEvent>);
100private:
101    explicit FocusInEventDispatchMediator(PassRefPtr<FocusEvent>);
102    FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
103    virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
104};
105
106class FocusOutEventDispatchMediator : public EventDispatchMediator {
107public:
108    static PassRefPtr<FocusOutEventDispatchMediator> create(PassRefPtr<FocusEvent>);
109private:
110    explicit FocusOutEventDispatchMediator(PassRefPtr<FocusEvent>);
111    FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
112    virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
113};
114
115} // namespace WebCore
116
117#endif // FocusEvent_h
118