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/*
* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_FILTER_PRIMITIVE_STANDARD_ATTRIBUTES_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_FILTER_PRIMITIVE_STANDARD_ATTRIBUTES_H_
#include "third_party/blink/renderer/core/svg/svg_animated_length.h"
#include "third_party/blink/renderer/core/svg/svg_animated_string.h"
#include "third_party/blink/renderer/core/svg/svg_element.h"
#include "third_party/blink/renderer/core/svg/svg_unit_types.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
class Filter;
class FilterEffect;
class SVGFilterBuilder;
class SVGFilterPrimitiveStandardAttributes : public SVGElement {
// No DEFINE_WRAPPERTYPEINFO() here because a) this class is never
// instantiated, and b) we don't generate corresponding V8T.h or V8T.cpp.
// The subclasses must write DEFINE_WRAPPERTYPEINFO().
public:
void SetStandardAttributes(FilterEffect*,
SVGUnitTypes::SVGUnitType,
const FloatRect& reference_box) const;
virtual FilterEffect* Build(SVGFilterBuilder*, Filter*) = 0;
// Returns true, if the new value is different from the old one.
virtual bool SetFilterEffectAttribute(FilterEffect*, const QualifiedName&);
virtual bool TaintsOrigin() const { return true; }
// JS API
SVGAnimatedLength* x() const { return x_.Get(); }
SVGAnimatedLength* y() const { return y_.Get(); }
SVGAnimatedLength* width() const { return width_.Get(); }
SVGAnimatedLength* height() const { return height_.Get(); }
SVGAnimatedString* result() const { return result_.Get(); }
void Trace(blink::Visitor*) override;
void PrimitiveAttributeChanged(const QualifiedName&);
void Invalidate();
protected:
SVGFilterPrimitiveStandardAttributes(const QualifiedName&, Document&);
void SvgAttributeChanged(const QualifiedName&) override;
void ChildrenChanged(const ChildrenChange&) override;
private:
bool IsFilterEffect() const final { return true; }
LayoutObject* CreateLayoutObject(const ComputedStyle&, LegacyLayout) override;
bool LayoutObjectIsNeeded(const ComputedStyle&) const final;
Member<SVGAnimatedLength> x_;
Member<SVGAnimatedLength> y_;
Member<SVGAnimatedLength> width_;
Member<SVGAnimatedLength> height_;
Member<SVGAnimatedString> result_;
};
void InvalidateFilterPrimitiveParent(SVGElement&);
inline bool IsSVGFilterPrimitiveStandardAttributes(const SVGElement& element) {
return element.IsFilterEffect();
}
template <>
struct DowncastTraits<SVGFilterPrimitiveStandardAttributes> {
static bool AllowFrom(const Node& node) {
auto* element = DynamicTo<SVGElement>(node);
return element && IsSVGFilterPrimitiveStandardAttributes(*element);
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_FILTER_PRIMITIVE_STANDARD_ATTRIBUTES_H_
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