/* -*- 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.IfacopyoftheMPLwasnotdistributedwiththis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
namespace dom { class SVGAnimationElement; class SVGElement; class DOMSVGTransform;
} // namespace dom
/** *ClassSVGAnimatedTransformList * *ThisclassisverydifferenttotheSVGDOMinterfaceofthesamenamefound *intheSVGspecification.Thisisalightweightinternalclass-see *DOMSVGAnimatedTransformListfortheheavierDOMclassthatwrapsinstancesof *thisclassandimplementstheSVGspecification'sSVGAnimatedTransformList *DOMinterface. * *Exceptwherenotedotherwise,thisclass'methodstakecareofkeepingthe *appropriateDOMwrappersinsync(seethecommentin *DOMSVGAnimatedTransformList::InternalBaseValListWillChangeTo)sothattheir *consumersdon'tneedtoconcernthemselveswiththat.
*/ class SVGAnimatedTransformList { // friends so that they can get write access to mBaseVal friendclass dom::DOMSVGTransform; friendclass dom::DOMSVGTransformList;
private: // mAnimVal is a pointer to allow us to determine if we're being animated or // not. Making it a non-pointer member and using mAnimVal.IsEmpty() to check // if we're animating is not an option, since that would break animation *to* // the empty string (<set to="">).
SVGTransformList mBaseVal;
UniquePtr<SVGTransformList> mAnimVal; bool mIsBaseSet; // See documentation for accessor. bool mCreatedOrRemovedOnLastChange;
// These will stay alive because a SMILAttr only lives as long // as the Compositing step, and DOM elements don't get a chance to // die during that.
SVGAnimatedTransformList* mVal;
dom::SVGElement* mElement;
};
};
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