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124 lines
4.4 KiB
C++
124 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_SVGAnimationElement_h
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#define mozilla_dom_SVGAnimationElement_h
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/SVGTests.h"
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#include "nsReferencedElement.h"
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#include "nsSMILTimedElement.h"
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#include "nsSVGElement.h"
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typedef nsSVGElement SVGAnimationElementBase;
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namespace mozilla {
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namespace dom {
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enum nsSMILTargetAttrType {
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eSMILTargetAttrType_auto,
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eSMILTargetAttrType_CSS,
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eSMILTargetAttrType_XML
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};
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class SVGAnimationElement : public SVGAnimationElementBase,
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public SVGTests
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{
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protected:
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explicit SVGAnimationElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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nsresult Init();
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virtual ~SVGAnimationElement();
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public:
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// interfaces:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGAnimationElement,
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SVGAnimationElementBase)
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override = 0;
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// nsIContent specializations
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virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers) override;
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virtual void UnbindFromTree(bool aDeep, bool aNullParent) override;
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virtual nsresult UnsetAttr(int32_t aNamespaceID, nsIAtom* aAttribute,
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bool aNotify) override;
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virtual bool IsNodeOfType(uint32_t aFlags) const override;
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// Element specializations
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virtual bool ParseAttribute(int32_t aNamespaceID,
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nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult) override;
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virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
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const nsAttrValue* aValue, bool aNotify) override;
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const nsAttrValue* GetAnimAttr(nsIAtom* aName) const;
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bool GetAnimAttr(nsIAtom* aAttName, nsAString& aResult) const;
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bool HasAnimAttr(nsIAtom* aAttName) const;
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Element* GetTargetElementContent();
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virtual bool GetTargetAttributeName(int32_t* aNamespaceID,
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nsIAtom** aLocalName) const;
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virtual nsSMILTargetAttrType GetTargetAttributeType() const;
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nsSMILTimedElement& TimedElement();
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nsSMILTimeContainer* GetTimeContainer();
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virtual nsSMILAnimationFunction& AnimationFunction() = 0;
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virtual bool IsEventAttributeName(nsIAtom* aName) override;
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// Utility methods for within SVG
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void ActivateByHyperlink();
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// WebIDL
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nsSVGElement* GetTargetElement();
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float GetStartTime(ErrorResult& rv);
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float GetCurrentTime();
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float GetSimpleDuration(ErrorResult& rv);
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void BeginElement(ErrorResult& rv) { BeginElementAt(0.f, rv); }
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void BeginElementAt(float offset, ErrorResult& rv);
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void EndElement(ErrorResult& rv) { EndElementAt(0.f, rv); }
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void EndElementAt(float offset, ErrorResult& rv);
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protected:
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// nsSVGElement overrides
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void UpdateHrefTarget(nsIContent* aNodeForContext,
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const nsAString& aHrefStr);
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void AnimationTargetChanged();
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class TargetReference : public nsReferencedElement {
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public:
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explicit TargetReference(SVGAnimationElement* aAnimationElement) :
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mAnimationElement(aAnimationElement) {}
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protected:
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// We need to be notified when target changes, in order to request a
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// sample (which will clear animation effects from old target and apply
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// them to the new target) and update any event registrations.
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virtual void ElementChanged(Element* aFrom, Element* aTo) override {
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nsReferencedElement::ElementChanged(aFrom, aTo);
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mAnimationElement->AnimationTargetChanged();
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}
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// We need to override IsPersistent to get persistent tracking (beyond the
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// first time the target changes)
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virtual bool IsPersistent() override { return true; }
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private:
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SVGAnimationElement* const mAnimationElement;
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};
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TargetReference mHrefTarget;
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nsSMILTimedElement mTimedElement;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_SVGAnimationElement_h
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