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1 /*
2  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
3  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
4  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
5  * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public License
18  * along with this library; see the file COPYING.LIB.  If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  * Boston, MA 02110-1301, USA.
21  *
22  */
23 
24 #ifndef MouseEvent_h
25 #define MouseEvent_h
26 
27 #include "Clipboard.h"
28 #include "MouseRelatedEvent.h"
29 
30 namespace WebCore {
31 
32 class EventDispatcher;
33 class PlatformMouseEvent;
34 
35     // Introduced in DOM Level 2
36     class MouseEvent : public MouseRelatedEvent {
37     public:
create()38         static PassRefPtr<MouseEvent> create()
39         {
40             return adoptRef(new MouseEvent);
41         }
42         static PassRefPtr<MouseEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView> view,
43             int detail, int screenX, int screenY, int pageX, int pageY,
44             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button,
45             PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard> clipboard = 0, bool isSimulated = false)
46         {
47             return adoptRef(new MouseEvent(type, canBubble, cancelable, view, detail, screenX, screenY, pageX, pageY,
48                 ctrlKey, altKey, shiftKey, metaKey, button, relatedTarget, clipboard, isSimulated));
49         }
50         static PassRefPtr<MouseEvent> create(const AtomicString& eventType, PassRefPtr<AbstractView>, const PlatformMouseEvent&, int detail, PassRefPtr<Node> relatedTarget);
51 
52         virtual ~MouseEvent();
53 
54         void initMouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>,
55                             int detail, int screenX, int screenY, int clientX, int clientY,
56                             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
57                             unsigned short button, PassRefPtr<EventTarget> relatedTarget);
58 
59         // WinIE uses 1,4,2 for left/middle/right but not for click (just for mousedown/up, maybe others),
60         // but we will match the standard DOM.
button()61         unsigned short button() const { return m_button; }
buttonDown()62         bool buttonDown() const { return m_buttonDown; }
relatedTarget()63         EventTarget* relatedTarget() const { return m_relatedTarget.get(); }
setRelatedTarget(PassRefPtr<EventTarget> relatedTarget)64         void setRelatedTarget(PassRefPtr<EventTarget> relatedTarget) { m_relatedTarget = relatedTarget; }
65 
clipboard()66         Clipboard* clipboard() const { return m_clipboard.get(); }
67 
68         Node* toElement() const;
69         Node* fromElement() const;
70 
dataTransfer()71         Clipboard* dataTransfer() const { return isDragEvent() ? m_clipboard.get() : 0; }
72 
73         virtual bool isMouseEvent() const;
74         virtual bool isDragEvent() const;
75         virtual int which() const;
76 
77     protected:
78         MouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>,
79                    int detail, int screenX, int screenY, int pageX, int pageY,
80                    bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button,
81                    PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard> clipboard, bool isSimulated);
82 
83     private:
84         MouseEvent();
85 
86         unsigned short m_button;
87         bool m_buttonDown;
88         RefPtr<EventTarget> m_relatedTarget;
89         RefPtr<Clipboard> m_clipboard;
90     };
91 
92 class SimulatedMouseEvent : public MouseEvent {
93 public:
94     static PassRefPtr<SimulatedMouseEvent> create(const AtomicString& eventType, PassRefPtr<AbstractView>, PassRefPtr<Event> underlyingEvent);
95     virtual ~SimulatedMouseEvent();
96 
97 private:
98     SimulatedMouseEvent(const AtomicString& eventType, PassRefPtr<AbstractView>, PassRefPtr<Event> underlyingEvent);
99 };
100 
101 class MouseEventDispatchMediator : public EventDispatchMediator {
102 public:
103     explicit MouseEventDispatchMediator(PassRefPtr<MouseEvent>);
104 
105 private:
106     MouseEvent* event() const;
107 
108     virtual bool dispatchEvent(EventDispatcher*) const;
109 };
110 
111 } // namespace WebCore
112 
113 #endif // MouseEvent_h
114