зеркало из https://github.com/mozilla/gecko-dev.git
125 строки
4.3 KiB
C++
125 строки
4.3 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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#include "mozilla/dom/SVGMPathElement.h"
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#include "nsDebug.h"
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/SVGObserverUtils.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/SVGAnimateMotionElement.h"
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#include "mozilla/dom/SVGGeometryElement.h"
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#include "nsContentUtils.h"
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#include "nsIReferrerInfo.h"
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#include "mozilla/dom/SVGMPathElementBinding.h"
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#include "nsIURI.h"
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NS_IMPL_NS_NEW_SVG_ELEMENT(MPath)
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namespace mozilla::dom {
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JSObject* SVGMPathElement::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return SVGMPathElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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SVGElement::StringInfo SVGMPathElement::sStringInfo[2] = {
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{nsGkAtoms::href, kNameSpaceID_None, false},
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{nsGkAtoms::href, kNameSpaceID_XLink, false}};
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// Cycle collection magic -- based on SVGUseElement
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NS_IMPL_CYCLE_COLLECTION_CLASS(SVGMPathElement)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(SVGMPathElement,
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SVGMPathElementBase)
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tmp->mMPathObserver = nullptr;
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(SVGMPathElement,
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SVGMPathElementBase)
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SVGObserverUtils::TraverseMPathObserver(tmp, &cb);
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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//----------------------------------------------------------------------
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// nsISupports methods
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NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(SVGMPathElement,
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SVGMPathElementBase)
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// Constructor
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SVGMPathElement::SVGMPathElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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: SVGMPathElementBase(std::move(aNodeInfo)) {}
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//----------------------------------------------------------------------
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// nsINode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGMPathElement)
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already_AddRefed<DOMSVGAnimatedString> SVGMPathElement::Href() {
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return mStringAttributes[HREF].IsExplicitlySet()
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? mStringAttributes[HREF].ToDOMAnimatedString(this)
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: mStringAttributes[XLINK_HREF].ToDOMAnimatedString(this);
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}
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//----------------------------------------------------------------------
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// nsIContent methods
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void SVGMPathElement::UnbindFromTree(UnbindContext& aContext) {
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mMPathObserver = nullptr;
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NotifyParentOfMpathChange();
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SVGMPathElementBase::UnbindFromTree(aContext);
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}
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void SVGMPathElement::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* aMaybeScriptedPrincipal,
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bool aNotify) {
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if (aName == nsGkAtoms::href &&
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(aNamespaceID == kNameSpaceID_None ||
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(aNamespaceID == kNameSpaceID_XLink && !HasAttr(nsGkAtoms::href)))) {
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mMPathObserver = nullptr;
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NotifyParentOfMpathChange();
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}
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return SVGMPathElementBase::AfterSetAttr(
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aNamespaceID, aName, aValue, aOldValue, aMaybeScriptedPrincipal, aNotify);
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}
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//----------------------------------------------------------------------
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// SVGElement methods
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SVGElement::StringAttributesInfo SVGMPathElement::GetStringInfo() {
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return StringAttributesInfo(mStringAttributes, sStringInfo,
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std::size(sStringInfo));
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}
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//----------------------------------------------------------------------
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// Public helper methods
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void SVGMPathElement::HrefAsString(nsAString& aHref) {
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if (mStringAttributes[SVGMPathElement::HREF].IsExplicitlySet()) {
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mStringAttributes[SVGMPathElement::HREF].GetBaseValue(aHref, this);
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} else {
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mStringAttributes[SVGMPathElement::XLINK_HREF].GetBaseValue(aHref, this);
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}
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}
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SVGGeometryElement* SVGMPathElement::GetReferencedPath() {
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return SVGObserverUtils::GetAndObserveMPathsPath(this);
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}
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void SVGMPathElement::NotifyParentOfMpathChange() {
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if (auto* animateMotionParent =
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SVGAnimateMotionElement::FromNodeOrNull(GetParent())) {
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animateMotionParent->MpathChanged();
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AnimationNeedsResample();
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}
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}
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} // namespace mozilla::dom
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