/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef NS_SMILSETANIMATIONFUNCTION_H_ #define NS_SMILSETANIMATIONFUNCTION_H_ #include "mozilla/Attributes.h" #include "nsSMILAnimationFunction.h" //---------------------------------------------------------------------- // nsSMILSetAnimationFunction // // Subclass of nsSMILAnimationFunction that limits the behaviour to that offered // by a <set> element. // class nsSMILSetAnimationFunction : public nsSMILAnimationFunction { public: /* * Sets animation-specific attributes (or marks them dirty, in the case * of from/to/by/values). * * @param aAttribute The attribute being set * @param aValue The updated value of the attribute. * @param aResult The nsAttrValue object that may be used for storing the * parsed result. * @param aParseResult Outparam used for reporting parse errors. Will be set * to NS_OK if everything succeeds. * @returns true if aAttribute is a recognized animation-related * attribute; false otherwise. */ virtual bool SetAttr(nsIAtom* aAttribute, const nsAString& aValue, nsAttrValue& aResult, nsresult* aParseResult = nullptr) override; /* * Unsets the given attribute. * * @returns true if aAttribute is a recognized animation-related * attribute; false otherwise. */ virtual bool UnsetAttr(nsIAtom* aAttribute) override; protected: // Although <set> animation might look like to-animation, unlike to-animation, // it never interpolates values. // Returning false here will mean this animation function gets treated as // a single-valued function and no interpolation will be attempted. virtual bool IsToAnimation() const override { return false; } // <set> applies the exact same value across the simple duration. virtual bool IsValueFixedForSimpleDuration() const override { return true; } virtual bool HasAttr(nsIAtom* aAttName) const override; virtual const nsAttrValue* GetAttr(nsIAtom* aAttName) const override; virtual bool GetAttr(nsIAtom* aAttName, nsAString& aResult) const override; virtual bool WillReplace() const override; bool IsDisallowedAttribute(const nsIAtom* aAttribute) const; }; #endif // NS_SMILSETANIMATIONFUNCTION_H_