1/* 2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 * Copyright (C) 2010 Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef SliderThumbElement_h 33#define SliderThumbElement_h 34 35#include "FloatPoint.h" 36#include "HTMLDivElement.h" 37#include "HTMLNames.h" 38#include "RenderStyleConstants.h" 39#include <wtf/Forward.h> 40 41namespace WebCore { 42 43class HTMLElement; 44class HTMLInputElement; 45class Event; 46class FloatPoint; 47 48class SliderThumbElement : public HTMLDivElement { 49public: 50 static PassRefPtr<SliderThumbElement> create(Document*); 51 52 bool inDragMode() const { return m_inDragMode; } 53 void setPositionFromValue(); 54 55 void dragFrom(const IntPoint&); 56 virtual void defaultEventHandler(Event*); 57#if PLATFORM(ANDROID) && ENABLE(TOUCH_EVENTS) 58 virtual void attach(); 59#endif 60 virtual void detach(); 61 virtual const AtomicString& shadowPseudoId() const; 62 63private: 64 SliderThumbElement(Document*); 65 virtual RenderObject* createRenderer(RenderArena*, RenderStyle*); 66 void startDragging(); 67 void stopDragging(); 68 void setPositionFromPoint(const IntPoint&); 69 HTMLInputElement* hostInput(); 70 71 FloatPoint m_offsetToThumb; 72 bool m_inDragMode; 73}; 74 75inline SliderThumbElement::SliderThumbElement(Document* document) 76 : HTMLDivElement(HTMLNames::divTag, document) 77 , m_inDragMode(false) 78{ 79} 80 81inline PassRefPtr<SliderThumbElement> SliderThumbElement::create(Document* document) 82{ 83 return adoptRef(new SliderThumbElement(document)); 84} 85 86inline SliderThumbElement* toSliderThumbElement(Node* node) 87{ 88 ASSERT(!node || node->isHTMLElement()); 89 return static_cast<SliderThumbElement*>(node); 90} 91 92} 93 94#endif 95