forked from mirrors/gecko-dev
		
	 73a6a2096e
			
		
	
	
		73a6a2096e
		
	
	
	
	
		
			
			Summary: It's effectively the same as AsSVGElement()->IsInChromeDocument(). Reviewers: dholbert Bug #: 1443797 Differential Revision: https://phabricator.services.mozilla.com/D695 MozReview-Commit-ID: 8f8fUsPfdnm
		
			
				
	
	
		
			136 lines
		
	
	
	
		
			4.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
	
		
			4.9 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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| 
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| #ifndef mozilla_dom_SVGAnimationElement_h
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| #define mozilla_dom_SVGAnimationElement_h
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| 
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| #include "mozilla/Attributes.h"
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| #include "mozilla/dom/IDTracker.h"
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| #include "mozilla/dom/SVGTests.h"
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| #include "nsSMILTimedElement.h"
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| #include "nsSVGElement.h"
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| 
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| typedef nsSVGElement SVGAnimationElementBase;
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| 
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| namespace mozilla {
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| namespace dom {
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| 
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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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| 
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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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| 
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| public:
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|   // interfaces:
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|   NS_DECL_ISUPPORTS_INHERITED
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| 
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|   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGAnimationElement,
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|                                            SVGAnimationElementBase)
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| 
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|   virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
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|                          bool aPreallocateChildren) const override = 0;
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| 
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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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| 
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|   virtual bool IsNodeOfType(uint32_t aFlags) const override;
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| 
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|   // Element specializations
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|   virtual bool ParseAttribute(int32_t aNamespaceID,
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|                                 nsAtom* aAttribute,
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|                                 const nsAString& aValue,
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|                                 nsIPrincipal* aMaybeScriptedPrincipal,
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|                                 nsAttrValue& aResult) override;
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|   virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
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|                                 const nsAttrValue* aValue,
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|                                 const nsAttrValue* aOldValue,
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|                                 nsIPrincipal* aSubjectPrincipal,
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|                                 bool aNotify) override;
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| 
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|   const nsAttrValue* GetAnimAttr(nsAtom* aName) const;
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|   bool GetAnimAttr(nsAtom* aAttName, nsAString& aResult) const;
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|   bool HasAnimAttr(nsAtom* aAttName) const;
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|   Element* GetTargetElementContent();
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|   virtual bool GetTargetAttributeName(int32_t* aNamespaceID,
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|                                       nsAtom** aLocalName) 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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| 
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|   virtual bool IsEventAttributeNameInternal(nsAtom* aName) override;
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| 
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|   // Utility methods for within SVG
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|   void ActivateByHyperlink();
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| 
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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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| 
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|   // SVGTests
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|   nsSVGElement* AsSVGElement() final { return this; }
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| 
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|  protected:
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|   // nsSVGElement overrides
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| 
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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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| 
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|   /**
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|    * Helper that provides a reference to the element with the ID that is
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|    * referenced by the animation element's 'href' attribute, if any, and that
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|    * will notify the animation element if the element that that ID identifies
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|    * changes to a different element (or none).  (If the 'href' attribute is not
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|    * specified, then the animation target is the parent element and this helper
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|    * is not used.)
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|    */
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|   class HrefTargetTracker final : public IDTracker {
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|   public:
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|     explicit HrefTargetTracker(SVGAnimationElement* aAnimationElement)
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|       : mAnimationElement(aAnimationElement)
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|     {}
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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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|       IDTracker::ElementChanged(aFrom, aTo);
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|       mAnimationElement->AnimationTargetChanged();
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|     }
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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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| 
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|   HrefTargetTracker    mHrefTarget;
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|   nsSMILTimedElement   mTimedElement;
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| };
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| 
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| } // namespace dom
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| } // namespace mozilla
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| 
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| #endif // mozilla_dom_SVGAnimationElement_h
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