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      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 #include "HTMLDivElement.h"
     35 #include <wtf/Forward.h>
     36 
     37 namespace WebCore {
     38 
     39 class HTMLMeterElement;
     40 
     41 class MeterShadowElement : public HTMLDivElement {
     42 public:
     43     MeterShadowElement(Document*);
     44     HTMLMeterElement* meterElement() const;
     45 
     46 private:
     47     virtual bool rendererIsNeeded(RenderStyle*);
     48 };
     49 
     50 class MeterBarElement : public MeterShadowElement {
     51 public:
     52     MeterBarElement(Document* document)
     53         : MeterShadowElement(document)
     54     {
     55     }
     56 
     57     static PassRefPtr<MeterBarElement> create(Document*);
     58     virtual const AtomicString& shadowPseudoId() const;
     59 };
     60 
     61 inline PassRefPtr<MeterBarElement> MeterBarElement::create(Document* document)
     62 {
     63     return adoptRef(new MeterBarElement(document));
     64 }
     65 
     66 
     67 class MeterValueElement : public MeterShadowElement {
     68 public:
     69     MeterValueElement(Document* document)
     70         : MeterShadowElement(document)
     71     {
     72     }
     73 
     74     virtual const AtomicString& shadowPseudoId() const;
     75     static PassRefPtr<MeterValueElement> create(Document*);
     76     void setWidthPercentage(double);
     77 };
     78 
     79 inline PassRefPtr<MeterValueElement> MeterValueElement::create(Document* document)
     80 {
     81     return adoptRef(new MeterValueElement(document));
     82 }
     83 
     84 }
     85 
     86 #endif
     87