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33bb32f549
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-o -iname "*.c" \
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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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_SVGMPathElement_h
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#define mozilla_dom_SVGMPathElement_h
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#include "nsSVGElement.h"
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#include "nsStubMutationObserver.h"
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#include "nsSVGString.h"
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#include "nsReferencedElement.h"
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nsresult NS_NewSVGMPathElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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typedef nsSVGElement SVGMPathElementBase;
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namespace mozilla {
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namespace dom {
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class SVGPathElement;
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class SVGMPathElement final : public SVGMPathElementBase,
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public nsStubMutationObserver
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{
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protected:
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friend nsresult (::NS_NewSVGMPathElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
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explicit SVGMPathElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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~SVGMPathElement();
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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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(SVGMPathElement,
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SVGMPathElementBase)
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NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
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// nsIContent interface
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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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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// 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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// Public helper method: If our xlink:href attribute links to a <path>
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// element, this method returns a pointer to that element. Otherwise,
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// this returns nullptr.
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SVGPathElement* GetReferencedPath();
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// WebIDL
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already_AddRefed<SVGAnimatedString> Href();
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protected:
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class PathReference : public nsReferencedElement {
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public:
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explicit PathReference(SVGMPathElement* aMpathElement) :
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mMpathElement(aMpathElement) {}
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protected:
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// We need to be notified when target changes, in order to request a sample
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// (which will clear animation effects that used the old target-path
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// and recompute the animation effects using the new target-path).
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virtual void ElementChanged(Element* aFrom, Element* aTo) override {
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nsReferencedElement::ElementChanged(aFrom, aTo);
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if (aFrom) {
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aFrom->RemoveMutationObserver(mMpathElement);
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}
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if (aTo) {
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aTo->AddMutationObserver(mMpathElement);
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}
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mMpathElement->NotifyParentOfMpathChange(mMpathElement->GetParent());
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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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SVGMPathElement* const mMpathElement;
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};
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virtual StringAttributesInfo GetStringInfo() override;
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void UpdateHrefTarget(nsIContent* aParent, const nsAString& aHrefStr);
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void UnlinkHrefTarget(bool aNotifyParent);
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void NotifyParentOfMpathChange(nsIContent* aParent);
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enum { HREF };
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nsSVGString mStringAttributes[1];
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static StringInfo sStringInfo[1];
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PathReference mHrefTarget;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_SVGMPathElement_h
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