1/*
2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
4 * Copyright (C) 2008-2019 Apple Inc. All rights reserved.
5 * Copyright (C) Research In Motion Limited 2011. All rights reserved.
6 * Copyright (C) 2014 Adobe Systems Incorporated. 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 "SVGAnimationElement.h"
27#include "SVGNames.h"
28
29namespace WebCore {
30
31class SVGAttributeAnimator;
32
33class SVGAnimateElementBase : public SVGAnimationElement {
34 WTF_MAKE_ISO_ALLOCATED(SVGAnimateElementBase);
35public:
36 bool isDiscreteAnimator() const;
37
38protected:
39 SVGAnimateElementBase(const QualifiedName&, Document&);
40
41 SVGAttributeAnimator* animator() const;
42 SVGAttributeAnimator* animatorIfExists() const { return m_animator.get(); }
43
44 bool hasValidAttributeType() const override;
45
46 void setTargetElement(SVGElement*) override;
47 void setAttributeName(const QualifiedName&) override;
48 void resetAnimation() override;
49
50 bool calculateFromAndToValues(const String& fromString, const String& toString) override;
51 bool calculateFromAndByValues(const String& fromString, const String& byString) override;
52 bool calculateToAtEndOfDurationValue(const String& toAtEndOfDurationString) override;
53
54 void resetAnimatedType() override;
55 void calculateAnimatedValue(float progress, unsigned repeatCount, SVGSMILElement* resultElement) override;
56 void applyResultsToTarget() override;
57 void clearAnimatedType(SVGElement* targetElement) override;
58 Optional<float> calculateDistance(const String& fromString, const String& toString) override;
59
60 virtual String animateRangeString(const String& string) const { return string; }
61
62private:
63 bool hasInvalidCSSAttributeType() const;
64
65 mutable std::unique_ptr<SVGAttributeAnimator> m_animator;
66 mutable Optional<bool> m_hasInvalidCSSAttributeType;
67};
68
69} // namespace WebCore
70
71SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SVGAnimateElementBase)
72 static bool isType(const WebCore::SVGElement& element)
73 {
74 return element.hasTagName(WebCore::SVGNames::animateTag) || element.hasTagName(WebCore::SVGNames::animateColorTag)
75 || element.hasTagName(WebCore::SVGNames::animateTransformTag) || element.hasTagName(WebCore::SVGNames::setTag);
76 }
77 static bool isType(const WebCore::Node& node) { return is<WebCore::SVGElement>(node) && isType(downcast<WebCore::SVGElement>(node)); }
78SPECIALIZE_TYPE_TRAITS_END()
79