1/*
2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
4 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
5 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
6 * Copyright (C) 2018-2019 Apple Inc. All rights reserved.
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 */
23
24#pragma once
25
26#include "SVGElement.h"
27#include "SVGExternalResourcesRequired.h"
28#include "SVGURIReference.h"
29#include "SVGUnitTypes.h"
30
31namespace WebCore {
32
33class SVGFilterElement final : public SVGElement, public SVGExternalResourcesRequired, public SVGURIReference {
34 WTF_MAKE_ISO_ALLOCATED(SVGFilterElement);
35public:
36 static Ref<SVGFilterElement> create(const QualifiedName&, Document&);
37
38 SVGUnitTypes::SVGUnitType filterUnits() const { return m_filterUnits->currentValue<SVGUnitTypes::SVGUnitType>(); }
39 SVGUnitTypes::SVGUnitType primitiveUnits() const { return m_primitiveUnits->currentValue<SVGUnitTypes::SVGUnitType>(); }
40 const SVGLengthValue& x() const { return m_x->currentValue(); }
41 const SVGLengthValue& y() const { return m_y->currentValue(); }
42 const SVGLengthValue& width() const { return m_width->currentValue(); }
43 const SVGLengthValue& height() const { return m_height->currentValue(); }
44
45 SVGAnimatedEnumeration& filterUnitsAnimated() { return m_filterUnits; }
46 SVGAnimatedEnumeration& primitiveUnitsAnimated() { return m_primitiveUnits; }
47 SVGAnimatedLength& xAnimated() { return m_x; }
48 SVGAnimatedLength& yAnimated() { return m_y; }
49 SVGAnimatedLength& widthAnimated() { return m_width; }
50 SVGAnimatedLength& heightAnimated() { return m_height; }
51
52private:
53 SVGFilterElement(const QualifiedName&, Document&);
54
55 using PropertyRegistry = SVGPropertyOwnerRegistry<SVGFilterElement, SVGElement, SVGExternalResourcesRequired, SVGURIReference>;
56 const SVGPropertyRegistry& propertyRegistry() const final { return m_propertyRegistry; }
57
58 void parseAttribute(const QualifiedName&, const AtomicString&) final;
59 void svgAttributeChanged(const QualifiedName&) final;
60 void childrenChanged(const ChildChange&) final;
61
62 bool needsPendingResourceHandling() const final { return false; }
63
64 RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
65 bool childShouldCreateRenderer(const Node&) const final;
66
67 bool selfHasRelativeLengths() const final { return true; }
68
69 PropertyRegistry m_propertyRegistry { *this };
70 Ref<SVGAnimatedEnumeration> m_filterUnits { SVGAnimatedEnumeration::create(this, SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) };
71 Ref<SVGAnimatedEnumeration> m_primitiveUnits { SVGAnimatedEnumeration::create(this, SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) };
72 Ref<SVGAnimatedLength> m_x { SVGAnimatedLength::create(this, LengthModeWidth, "-10%") };
73 Ref<SVGAnimatedLength> m_y { SVGAnimatedLength::create(this, LengthModeHeight, "-10%") };
74 Ref<SVGAnimatedLength> m_width { SVGAnimatedLength::create(this, LengthModeWidth, "120%") };
75 Ref<SVGAnimatedLength> m_height { SVGAnimatedLength::create(this, LengthModeHeight, "120%") };
76};
77
78} // namespace WebCore
79