File: PropertyHandle.cpp

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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "core/animation/PropertyHandle.h"

#include "wtf/text/AtomicStringHash.h"

namespace blink {

bool PropertyHandle::operator==(const PropertyHandle& other) const {
  if (m_handleType != other.m_handleType)
    return false;

  switch (m_handleType) {
    case HandleCSSProperty:
    case HandlePresentationAttribute:
      return m_cssProperty == other.m_cssProperty;
    case HandleCSSCustomProperty:
      return m_propertyName == other.m_propertyName;
    case HandleSVGAttribute:
      return m_svgAttribute == other.m_svgAttribute;
    default:
      return true;
  }
}

unsigned PropertyHandle::hash() const {
  switch (m_handleType) {
    case HandleCSSProperty:
      return m_cssProperty;
    case HandleCSSCustomProperty:
      return AtomicStringHash::hash(m_propertyName);
    case HandlePresentationAttribute:
      return -m_cssProperty;
    case HandleSVGAttribute:
      return QualifiedNameHash::hash(*m_svgAttribute);
    default:
      NOTREACHED();
      return 0;
  }
}

}  // namespace blink