| /* |
| * Copyright (C) Research In Motion Limited 2011. All rights reserved. |
| * Copyright (C) 2018 Apple Inc. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include "SVGValue.h" |
| |
| namespace WebCore { |
| |
| class SVGAnimatedType { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| template<typename PropertyType> |
| static std::unique_ptr<SVGAnimatedType> create() |
| { |
| return std::make_unique<SVGAnimatedType>(SVGPropertyTraits<PropertyType>::initialValue()); |
| } |
| |
| template<typename PropertyType> |
| static std::unique_ptr<SVGAnimatedType> create(const PropertyType& property) |
| { |
| return std::make_unique<SVGAnimatedType>(property); |
| } |
| |
| template<typename PropertyType> |
| static std::unique_ptr<SVGAnimatedType> create(PropertyType&& property) |
| { |
| return std::make_unique<SVGAnimatedType>(WTFMove(property)); |
| } |
| |
| template<typename PropertyType1, typename PropertyType2> |
| static std::unique_ptr<SVGAnimatedType> create() |
| { |
| return std::make_unique<SVGAnimatedType>(SVGPropertyTraits<std::pair<PropertyType1, PropertyType2>>::initialValue()); |
| } |
| |
| template<typename PropertyType1, typename PropertyType2> |
| static std::unique_ptr<SVGAnimatedType> create(const std::pair<PropertyType1, PropertyType2>& properties) |
| { |
| return std::make_unique<SVGAnimatedType>(properties); |
| } |
| |
| template<typename PropertyType1, typename PropertyType2> |
| static std::unique_ptr<SVGAnimatedType> create(std::pair<PropertyType1, PropertyType2>&& properties) |
| { |
| return std::make_unique<SVGAnimatedType>(WTFMove(properties)); |
| } |
| |
| template<typename PropertyType> |
| SVGAnimatedType(const PropertyType& property) |
| : m_value(std::make_unique<PropertyType>(property).release()) |
| { |
| } |
| |
| template<typename PropertyType> |
| SVGAnimatedType(PropertyType&& property) |
| : m_value(std::make_unique<PropertyType>(WTFMove(property)).release()) |
| { |
| } |
| |
| template<typename PropertyType1, typename PropertyType2> |
| SVGAnimatedType(const std::pair<PropertyType1, PropertyType2>& properties) |
| : m_value(std::make_unique<std::pair<PropertyType1, PropertyType2>>(properties).release()) |
| { |
| } |
| |
| template<typename PropertyType1, typename PropertyType2> |
| SVGAnimatedType(std::pair<PropertyType1, PropertyType2>&& properties) |
| : m_value(std::make_unique<std::pair<PropertyType1, PropertyType2>>(WTFMove(properties)).release()) |
| { |
| } |
| |
| ~SVGAnimatedType() |
| { |
| WTF::visit([](auto& value) { |
| delete value; |
| }, m_value); |
| } |
| |
| template <class PropertyType> |
| const PropertyType& as() const |
| { |
| ASSERT(WTF::holds_alternative<PropertyType*>(m_value)); |
| return *WTF::get<PropertyType*>(m_value); |
| } |
| |
| template <class PropertyType> |
| PropertyType& as() |
| { |
| ASSERT(WTF::holds_alternative<PropertyType*>(m_value)); |
| return *WTF::get<PropertyType*>(m_value); |
| } |
| |
| AnimatedPropertyType type() const |
| { |
| ASSERT(m_value.index() >= AnimatedPropertyTypeMin && m_value.index() < AnimatedPropertyTypeMax); |
| return static_cast<AnimatedPropertyType>(m_value.index()); |
| } |
| |
| String valueAsString() const |
| { |
| return WTF::visit([](auto& value) { |
| using PropertyType = std::decay_t<decltype(*value)>; |
| return SVGPropertyTraits<PropertyType>::toString(*value); |
| }, m_value); |
| } |
| |
| bool setValueAsString(const QualifiedName& attrName, const String& string) |
| { |
| return WTF::visit([&](auto& value) { |
| using PropertyType = std::decay_t<decltype(*value)>; |
| if (auto result = SVGPropertyTraits<PropertyType>::parse(attrName, string)) { |
| *value = *result; |
| return true; |
| } |
| return false; |
| }, m_value); |
| } |
| |
| static bool supportsAnimVal(AnimatedPropertyType type) |
| { |
| // AnimatedColor is only used for CSS property animations. |
| return type != AnimatedUnknown && type != AnimatedColor; |
| } |
| |
| private: |
| SVGValueVariant m_value; |
| }; |
| |
| } // namespace WebCore |