зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
2.8 KiB
C++
88 строки
2.8 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/SVGSwitchElement.h"
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#include "nsLayoutUtils.h"
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#include "mozilla/SVGUtils.h"
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#include "mozilla/dom/SVGSwitchElementBinding.h"
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class nsIFrame;
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NS_IMPL_NS_NEW_SVG_ELEMENT(Switch)
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namespace mozilla::dom {
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JSObject* SVGSwitchElement::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return SVGSwitchElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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//----------------------------------------------------------------------
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// nsISupports methods
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NS_IMPL_CYCLE_COLLECTION_INHERITED(SVGSwitchElement, SVGSwitchElementBase,
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mActiveChild)
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NS_IMPL_ADDREF_INHERITED(SVGSwitchElement, SVGSwitchElementBase)
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NS_IMPL_RELEASE_INHERITED(SVGSwitchElement, SVGSwitchElementBase)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SVGSwitchElement)
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NS_INTERFACE_MAP_END_INHERITING(SVGSwitchElementBase)
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//----------------------------------------------------------------------
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// Implementation
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SVGSwitchElement::SVGSwitchElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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: SVGSwitchElementBase(std::move(aNodeInfo)) {}
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void SVGSwitchElement::MaybeInvalidate() {
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// We must not change mActiveChild until after
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// InvalidateAndScheduleBoundsUpdate has been called, otherwise
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// it will not correctly invalidate the old mActiveChild area.
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auto* newActiveChild = SVGTests::FindActiveSwitchChild(this);
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if (newActiveChild == mActiveChild) {
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return;
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}
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if (auto* frame = GetPrimaryFrame()) {
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nsLayoutUtils::PostRestyleEvent(this, RestyleHint{0},
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nsChangeHint_InvalidateRenderingObservers);
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SVGUtils::ScheduleReflowSVG(frame);
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}
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mActiveChild = newActiveChild;
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}
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//----------------------------------------------------------------------
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// nsINode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGSwitchElement)
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//----------------------------------------------------------------------
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// nsINode methods
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void SVGSwitchElement::InsertChildBefore(nsIContent* aKid,
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nsIContent* aBeforeThis, bool aNotify,
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ErrorResult& aRv) {
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SVGSwitchElementBase::InsertChildBefore(aKid, aBeforeThis, aNotify, aRv);
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if (aRv.Failed()) {
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return;
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}
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MaybeInvalidate();
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}
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void SVGSwitchElement::RemoveChildNode(nsIContent* aKid, bool aNotify) {
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SVGSwitchElementBase::RemoveChildNode(aKid, aNotify);
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MaybeInvalidate();
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}
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} // namespace mozilla::dom
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