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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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