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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 THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ENUMERATION_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ENUMERATION_H_
#include "third_party/blink/renderer/core/svg/properties/svg_property.h"
#include "third_party/blink/renderer/core/svg/svg_parsing_error.h"
namespace blink {
class SVGEnumerationMap;
class SVGEnumerationBase : public SVGPropertyBase {
public:
// SVGEnumeration does not have a tear-off type.
typedef void TearOffType;
typedef unsigned short PrimitiveType;
~SVGEnumerationBase() override;
unsigned short Value() const {
return value_ <= MaxExposedEnumValue() ? value_ : 0;
}
void SetValue(unsigned short);
// SVGPropertyBase:
virtual SVGEnumerationBase* Clone() const = 0;
SVGPropertyBase* CloneForAnimation(const String&) const override;
String ValueAsString() const override;
SVGParsingError SetValueAsString(const String&);
void Add(SVGPropertyBase*, SVGElement*) override;
void CalculateAnimatedValue(SVGAnimationElement*,
float percentage,
unsigned repeat_count,
SVGPropertyBase* from,
SVGPropertyBase* to,
SVGPropertyBase* to_at_end_of_duration_value,
SVGElement*) override;
float CalculateDistance(SVGPropertyBase* to, SVGElement*) override;
static AnimatedPropertyType ClassType() { return kAnimatedEnumeration; }
AnimatedPropertyType GetType() const override { return ClassType(); }
// This is the maximum value that is exposed as an IDL constant on the
// relevant interface.
unsigned short MaxExposedEnumValue() const;
void SetInitial(unsigned value) {
SetValue(static_cast<unsigned short>(value));
}
static constexpr int kInitialValueBits = 3;
protected:
SVGEnumerationBase(unsigned short value, const SVGEnumerationMap& map)
: value_(value), map_(map) {}
// This is the maximum value of all the internal enumeration values.
// This assumes that the map is sorted on the enumeration value.
unsigned short MaxInternalEnumValue() const;
// Used by SVGMarkerOrientEnumeration.
virtual void NotifyChange() {}
unsigned short value_;
const SVGEnumerationMap& map_;
};
template <typename Enum>
const SVGEnumerationMap& GetEnumerationMap();
#define DECLARE_SVG_ENUM_MAP(cpp_enum_type) \
template <> \
const SVGEnumerationMap& GetEnumerationMap<cpp_enum_type>()
template <typename Enum>
class SVGEnumeration : public SVGEnumerationBase {
public:
static SVGEnumeration<Enum>* Create(Enum new_value) {
return MakeGarbageCollected<SVGEnumeration<Enum>>(new_value);
}
explicit SVGEnumeration(Enum new_value)
: SVGEnumerationBase(new_value, GetEnumerationMap<Enum>()) {}
~SVGEnumeration() override = default;
SVGEnumerationBase* Clone() const override { return Create(EnumValue()); }
Enum EnumValue() const {
DCHECK_LE(value_, MaxInternalEnumValue());
return static_cast<Enum>(value_);
}
void SetEnumValue(Enum value) {
value_ = value;
NotifyChange();
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ENUMERATION_H_
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