Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / core / events / FocusEvent.h
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 "core/events/EventTarget.h"
30 #include "core/events/UIEvent.h"
31
32 namespace WebCore {
33
34 class Node;
35
36 struct FocusEventInit : public UIEventInit {
37     FocusEventInit();
38
39     RefPtr<EventTarget> relatedTarget;
40 };
41
42 class FocusEvent FINAL : public UIEvent {
43 public:
44     static PassRefPtrWillBeRawPtr<FocusEvent> create()
45     {
46         return adoptRefWillBeNoop(new FocusEvent);
47     }
48
49     static PassRefPtrWillBeRawPtr<FocusEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView> view, int detail, EventTarget* relatedTarget)
50     {
51         return adoptRefWillBeNoop(new FocusEvent(type, canBubble, cancelable, view, detail, relatedTarget));
52     }
53
54     static PassRefPtrWillBeRawPtr<FocusEvent> create(const AtomicString& type, const FocusEventInit& initializer)
55     {
56         return adoptRefWillBeNoop(new FocusEvent(type, initializer));
57     }
58
59     EventTarget* relatedTarget() const { return m_relatedTarget.get(); }
60     EventTarget* relatedTarget(bool& isNull) const { isNull = !m_relatedTarget; return m_relatedTarget.get(); }
61     void setRelatedTarget(EventTarget* relatedTarget) { m_relatedTarget = relatedTarget; }
62
63     virtual const AtomicString& interfaceName() const OVERRIDE;
64     virtual bool isFocusEvent() const OVERRIDE;
65
66     virtual void trace(Visitor*) OVERRIDE;
67
68 private:
69     FocusEvent();
70     FocusEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView>, int, EventTarget*);
71     FocusEvent(const AtomicString& type, const FocusEventInit&);
72
73     RefPtr<EventTarget> m_relatedTarget;
74 };
75
76 DEFINE_EVENT_TYPE_CASTS(FocusEvent);
77
78 class FocusEventDispatchMediator FINAL : public EventDispatchMediator {
79 public:
80     static PassRefPtr<FocusEventDispatchMediator> create(PassRefPtrWillBeRawPtr<FocusEvent>);
81 private:
82     explicit FocusEventDispatchMediator(PassRefPtrWillBeRawPtr<FocusEvent>);
83     FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
84     virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
85 };
86
87 class BlurEventDispatchMediator FINAL : public EventDispatchMediator {
88 public:
89     static PassRefPtr<BlurEventDispatchMediator> create(PassRefPtrWillBeRawPtr<FocusEvent>);
90 private:
91     explicit BlurEventDispatchMediator(PassRefPtrWillBeRawPtr<FocusEvent>);
92     FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
93     virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
94 };
95
96 class FocusInEventDispatchMediator FINAL : public EventDispatchMediator {
97 public:
98     static PassRefPtr<FocusInEventDispatchMediator> create(PassRefPtrWillBeRawPtr<FocusEvent>);
99 private:
100     explicit FocusInEventDispatchMediator(PassRefPtrWillBeRawPtr<FocusEvent>);
101     FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
102     virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
103 };
104
105 class FocusOutEventDispatchMediator FINAL : public EventDispatchMediator {
106 public:
107     static PassRefPtr<FocusOutEventDispatchMediator> create(PassRefPtrWillBeRawPtr<FocusEvent>);
108 private:
109     explicit FocusOutEventDispatchMediator(PassRefPtrWillBeRawPtr<FocusEvent>);
110     FocusEvent* event() const { return static_cast<FocusEvent*>(EventDispatchMediator::event()); }
111     virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
112 };
113
114 } // namespace WebCore
115
116 #endif // FocusEvent_h