1/* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef MeterShadowElement_h 32#define MeterShadowElement_h 33 34#if ENABLE(METER_ELEMENT) 35#include "HTMLDivElement.h" 36#include <wtf/Forward.h> 37 38namespace WebCore { 39 40class HTMLMeterElement; 41class RenderMeter; 42 43class MeterShadowElement : public HTMLDivElement { 44public: 45 MeterShadowElement(Document*); 46 HTMLMeterElement* meterElement() const; 47 48private: 49 virtual bool rendererIsNeeded(const NodeRenderingContext&); 50}; 51 52class MeterInnerElement FINAL : public MeterShadowElement { 53public: 54 MeterInnerElement(Document*); 55 static PassRefPtr<MeterInnerElement> create(Document*); 56 57private: 58 virtual bool rendererIsNeeded(const NodeRenderingContext&) OVERRIDE; 59 virtual RenderObject* createRenderer(RenderArena*, RenderStyle*) OVERRIDE; 60}; 61 62inline PassRefPtr<MeterInnerElement> MeterInnerElement::create(Document* document) 63{ 64 return adoptRef(new MeterInnerElement(document)); 65} 66 67class MeterBarElement FINAL : public MeterShadowElement { 68public: 69 MeterBarElement(Document* document) 70 : MeterShadowElement(document) 71 { 72 DEFINE_STATIC_LOCAL(AtomicString, pseudoId, ("-webkit-meter-bar", AtomicString::ConstructFromLiteral)); 73 setPseudo(pseudoId); 74 } 75 76 static PassRefPtr<MeterBarElement> create(Document*); 77}; 78 79inline PassRefPtr<MeterBarElement> MeterBarElement::create(Document* document) 80{ 81 return adoptRef(new MeterBarElement(document)); 82} 83 84class MeterValueElement FINAL : public MeterShadowElement { 85public: 86 MeterValueElement(Document* document) 87 : MeterShadowElement(document) 88 { 89 updatePseudo(); 90 } 91 92 static PassRefPtr<MeterValueElement> create(Document*); 93 void setWidthPercentage(double); 94 void updatePseudo() { setPseudo(valuePseudoId()); } 95 96private: 97 const AtomicString& valuePseudoId() const; 98}; 99 100inline PassRefPtr<MeterValueElement> MeterValueElement::create(Document* document) 101{ 102 return adoptRef(new MeterValueElement(document)); 103} 104 105} 106#endif // ENABLE(METER_ELEMENT) 107#endif // MeterShadowElement_h 108