Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 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/dom/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 events. |
| 33 | class MouseRelatedEvent : public UIEventWithKeyState { |
| 34 | public: |
| 35 | // Note that these values are adjusted to counter the effects of zoom, so 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 cancelable, PassRefPtr<AbstractView>, |
| 64 | int detail, const IntPoint& screenLocation, const IntPoint& 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 |