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/*
* Copyright (C) 2014 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.
*/
#ifndef SVGEnumeration_h
#define SVGEnumeration_h
#include "core/svg/properties/SVGProperty.h"
namespace blink {
class ExceptionState;
class SVGEnumerationBase : public SVGPropertyBase {
public:
typedef std::pair<unsigned short, String> StringEntry;
typedef Vector<StringEntry> StringEntries;
// SVGEnumeration does not have a tear-off type.
typedef void TearOffType;
typedef unsigned short PrimitiveType;
virtual ~SVGEnumerationBase();
unsigned short value() const { return m_value <= maxExposedEnumValue() ? m_value : 0; }
void setValue(unsigned short, ExceptionState&);
// SVGPropertyBase:
virtual PassRefPtrWillBeRawPtr<SVGEnumerationBase> clone() const = 0;
virtual PassRefPtrWillBeRawPtr<SVGPropertyBase> cloneForAnimation(const String&) const override;
virtual String valueAsString() const override;
void setValueAsString(const String&, ExceptionState&);
virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) override;
virtual float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement*) override;
static AnimatedPropertyType classType() { return AnimatedEnumeration; }
// Ensure that |SVGAnimatedEnumerationBase::setBaseVal| is used instead of |SVGAnimatedProperty<SVGEnumerationBase>::setBaseVal|.
void setValue(unsigned short) { ASSERT_NOT_REACHED(); }
static unsigned short valueOfLastEnum(const StringEntries& entries) { return entries.last().first; }
protected:
SVGEnumerationBase(unsigned short value, const StringEntries& entries, unsigned short maxExposed)
: SVGPropertyBase(classType())
, m_value(value)
, m_maxExposed(maxExposed)
, m_entries(entries)
{
}
// This is the maximum value of all the internal enumeration values.
// This assumes that |m_entries| are sorted.
unsigned short maxInternalEnumValue() const { return valueOfLastEnum(m_entries); }
// This is the maximum value that is exposed as an IDL constant on the relevant interface.
unsigned short maxExposedEnumValue() const { return m_maxExposed; }
// Used by SVGMarkerOrientEnumeration.
virtual void notifyChange() { }
unsigned short m_value;
const unsigned short m_maxExposed;
const StringEntries& m_entries;
};
typedef SVGEnumerationBase::StringEntries SVGEnumerationStringEntries;
template<typename Enum> const SVGEnumerationStringEntries& getStaticStringEntries();
template<typename Enum> unsigned short getMaxExposedEnumValue()
{
return SVGEnumerationBase::valueOfLastEnum(getStaticStringEntries<Enum>());
}
template<typename Enum>
class SVGEnumeration : public SVGEnumerationBase {
public:
static PassRefPtrWillBeRawPtr<SVGEnumeration<Enum> > create(Enum newValue)
{
return adoptRefWillBeNoop(new SVGEnumeration<Enum>(newValue));
}
virtual ~SVGEnumeration()
{
}
virtual PassRefPtrWillBeRawPtr<SVGEnumerationBase> clone() const override
{
return create(enumValue());
}
Enum enumValue() const
{
ASSERT(m_value <= maxInternalEnumValue());
return static_cast<Enum>(m_value);
}
void setEnumValue(Enum value)
{
m_value = value;
notifyChange();
}
protected:
explicit SVGEnumeration(Enum newValue)
: SVGEnumerationBase(newValue, getStaticStringEntries<Enum>(), getMaxExposedEnumValue<Enum>())
{
}
};
} // namespace blink
#endif // SVGEnumeration_h
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