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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 Apple Computer, Inc. | |
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 MouseRelatedEvent_h | |
25 #define MouseRelatedEvent_h | |
26 | |
27 #include "core/events/UIEventWithKeyState.h" | |
28 #include "core/platform/graphics/LayoutPoint.h" | |
29 | |
30 namespace WebCore { | |
31 | |
32 // Internal only: Helper class for what's common between mouse and wheel eve
nts. | |
33 class MouseRelatedEvent : public UIEventWithKeyState { | |
34 public: | |
35 // Note that these values are adjusted to counter the effects of zoom, s
o that values | |
36 // exposed via DOM APIs are invariant under zooming. | |
37 int screenX() const { return m_screenLocation.x(); } | |
38 int screenY() const { return m_screenLocation.y(); } | |
39 const IntPoint& screenLocation() const { return m_screenLocation; } | |
40 int clientX() const { return m_clientLocation.x(); } | |
41 int clientY() const { return m_clientLocation.y(); } | |
42 int webkitMovementX() const { return m_movementDelta.x(); } | |
43 int webkitMovementY() const { return m_movementDelta.y(); } | |
44 const LayoutPoint& clientLocation() const { return m_clientLocation; } | |
45 int layerX(); | |
46 int layerY(); | |
47 int offsetX(); | |
48 int offsetY(); | |
49 bool isSimulated() const { return m_isSimulated; } | |
50 virtual int pageX() const; | |
51 virtual int pageY() const; | |
52 virtual const LayoutPoint& pageLocation() const; | |
53 int x() const; | |
54 int y() const; | |
55 | |
56 // Page point in "absolute" coordinates (i.e. post-zoomed, page-relative
coords, | |
57 // usable with RenderObject::absoluteToLocal). | |
58 const LayoutPoint& absoluteLocation() const { return m_absoluteLocation;
} | |
59 void setAbsoluteLocation(const LayoutPoint& p) { m_absoluteLocation = p;
} | |
60 | |
61 protected: | |
62 MouseRelatedEvent(); | |
63 MouseRelatedEvent(const AtomicString& type, bool canBubble, bool cancela
ble, PassRefPtr<AbstractView>, | |
64 int detail, const IntPoint& screenLocation, const IntP
oint& windowLocation, | |
65 const IntPoint& movementDelta, | |
66 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey
, bool isSimulated = false); | |
67 | |
68 void initCoordinates(); | |
69 void initCoordinates(const LayoutPoint& clientLocation); | |
70 virtual void receivedTarget(); | |
71 | |
72 void computePageLocation(); | |
73 void computeRelativePosition(); | |
74 | |
75 // Expose these so MouseEvent::initMouseEvent can set them. | |
76 IntPoint m_screenLocation; | |
77 LayoutPoint m_clientLocation; | |
78 LayoutPoint m_movementDelta; | |
79 | |
80 private: | |
81 LayoutPoint m_pageLocation; | |
82 LayoutPoint m_layerLocation; | |
83 LayoutPoint m_offsetLocation; | |
84 LayoutPoint m_absoluteLocation; | |
85 bool m_isSimulated; | |
86 bool m_hasCachedRelativePosition; | |
87 }; | |
88 | |
89 } // namespace WebCore | |
90 | |
91 #endif // MouseRelatedEvent_h | |
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