| /* |
| * Copyright (C) 2018-2019 Apple 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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. |
| */ |
| |
| #pragma once |
| |
| #include "CSSPropertyNames.h" |
| #include "QualifiedName.h" |
| #include <wtf/RefCounted.h> |
| #include <wtf/StdLibExtras.h> |
| #include <wtf/WeakPtr.h> |
| |
| namespace WebCore { |
| |
| class SVGElement; |
| |
| enum class AnimationMode : uint8_t { |
| None, |
| FromTo, |
| FromBy, |
| To, |
| By, |
| Values, |
| Path |
| }; |
| |
| enum class CalcMode : uint8_t { |
| Discrete, |
| Linear, |
| Paced, |
| Spline |
| }; |
| |
| class SVGAttributeAnimator : public RefCounted<SVGAttributeAnimator>, public CanMakeWeakPtr<SVGAttributeAnimator> { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| SVGAttributeAnimator(const QualifiedName& attributeName) |
| : m_attributeName(attributeName) |
| { |
| } |
| |
| virtual ~SVGAttributeAnimator() = default; |
| |
| virtual bool isDiscrete() const { return false; } |
| |
| virtual void setFromAndToValues(SVGElement*, const String&, const String&) { } |
| virtual void setFromAndByValues(SVGElement*, const String&, const String&) { } |
| virtual void setToAtEndOfDurationValue(const String&) { } |
| |
| virtual void start(SVGElement*) = 0; |
| virtual void animate(SVGElement*, float progress, unsigned repeatCount) = 0; |
| virtual void apply(SVGElement*) = 0; |
| virtual void stop(SVGElement* targetElement) = 0; |
| |
| virtual Optional<float> calculateDistance(SVGElement*, const String&, const String&) const { return { }; } |
| |
| protected: |
| bool isAnimatedStylePropertyAniamtor(const SVGElement*) const; |
| |
| static void invalidateStyle(SVGElement*); |
| static void applyAnimatedStylePropertyChange(SVGElement*, CSSPropertyID, const String& value); |
| static void removeAnimatedStyleProperty(SVGElement*, CSSPropertyID); |
| static void applyAnimatedPropertyChange(SVGElement*, const QualifiedName&); |
| |
| void applyAnimatedStylePropertyChange(SVGElement*, const String& value); |
| void removeAnimatedStyleProperty(SVGElement*); |
| void applyAnimatedPropertyChange(SVGElement*); |
| |
| const QualifiedName& m_attributeName; |
| }; |
| |
| } |