text: /*
   * Copyright (C) 2011 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "config.h"
  #if ENABLE(METER_TAG)
  #include "MeterShadowElement.h"
  
  #include "CSSMutableStyleDeclaration.h"
  #include "CSSPropertyNames.h"
  #include "HTMLMeterElement.h"
  #include "HTMLNames.h"
  #include "RenderMeter.h"
  #include "RenderTheme.h"
  
  namespace WebCore {
  
  using namespace HTMLNames;
  
  MeterShadowElement::MeterShadowElement(Document* document) 
      : HTMLDivElement(HTMLNames::divTag, document)
  {
  }
  
  HTMLMeterElement* MeterShadowElement::meterElement() const
  {
      Node* node = const_cast<MeterShadowElement*>(this)->shadowAncestorNode();
      ASSERT(!node || meterTag == toElement(node)->tagQName());
      return static_cast<HTMLMeterElement*>(node);
  }
  
  bool MeterShadowElement::rendererIsNeeded(const NodeRenderingContext& context)
  {
      RenderMeter* meterRenderer = toRenderMeter(meterElement()->renderer());
      return meterRenderer && !meterRenderer->theme()->supportsMeter(meterRenderer->style()->appearance()) && HTMLDivElement::rendererIsNeeded(context);
  }
  
  const AtomicString& MeterBarElement::shadowPseudoId() const
  {
      DEFINE_STATIC_LOCAL(AtomicString, pseudId, ("-webkit-meter-bar"));
      return pseudId;
  }
  
  
  const AtomicString& MeterValueElement::shadowPseudoId() const
  {
      DEFINE_STATIC_LOCAL(AtomicString, optimumPseudId, ("-webkit-meter-optimum-value"));
      DEFINE_STATIC_LOCAL(AtomicString, suboptimumPseudId, ("-webkit-meter-suboptimum-value"));
      DEFINE_STATIC_LOCAL(AtomicString, evenLessGoodPseudId, ("-webkit-meter-even-less-good-value"));
  
      HTMLMeterElement* meter = meterElement();
      if (!meter)
          return optimumPseudId;
  
      switch (meter->gaugeRegion()) {
      case HTMLMeterElement::GaugeRegionOptimum:
          return optimumPseudId;
      case HTMLMeterElement::GaugeRegionSuboptimal:
          return suboptimumPseudId;
      case HTMLMeterElement::GaugeRegionEvenLessGood:
          return evenLessGoodPseudId;
      default:
          ASSERT_NOT_REACHED();
          return optimumPseudId;
      }
  }
  
  void MeterValueElement::setWidthPercentage(double width)
  {
      ensureInlineStyleDecl()->setProperty(CSSPropertyWidth, width, CSSPrimitiveValue::CSS_PERCENTAGE);
  }
  
  
  }
  
  #endif
  
  