/* -*- 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/. */
//---------------------------------------------------------------------- // SMILSetAnimationFunction // // Subclass of SMILAnimationFunction that limits the behaviour to that offered // by a <set> element. // class SMILSetAnimationFunction : public SMILAnimationFunction { protected: bool IsDisallowedAttribute(const nsAtom* aAttribute) const override { // // A <set> element is similar to <animate> but lacks: // AnimationValue.attrib(calcMode, values, keyTimes, keySplines, from, to, // by) -- BUT has 'to' // AnimationAddition.attrib(additive, accumulate) // return aAttribute == nsGkAtoms::calcMode ||
aAttribute == nsGkAtoms::values ||
aAttribute == nsGkAtoms::keyTimes ||
aAttribute == nsGkAtoms::keySplines ||
aAttribute == nsGkAtoms::from || aAttribute == nsGkAtoms::by ||
aAttribute == nsGkAtoms::additive ||
aAttribute == nsGkAtoms::accumulate;
}
// 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. bool IsToAnimation() const override { returnfalse; }
// <set> applies the exact same value across the simple duration. bool IsValueFixedForSimpleDuration() const override { returntrue; } bool WillReplace() const override { returntrue; }
};
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