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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /dom/animation/CSSPseudoElement.cpp
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/animation/CSSPseudoElement.cpp')
-rw-r--r--dom/animation/CSSPseudoElement.cpp95
1 files changed, 95 insertions, 0 deletions
diff --git a/dom/animation/CSSPseudoElement.cpp b/dom/animation/CSSPseudoElement.cpp
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+++ b/dom/animation/CSSPseudoElement.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/dom/CSSPseudoElement.h"
+#include "mozilla/dom/CSSPseudoElementBinding.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/dom/KeyframeEffectBinding.h"
+#include "mozilla/AnimationComparator.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(CSSPseudoElement, mOriginatingElement)
+
+NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(CSSPseudoElement, AddRef)
+NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(CSSPseudoElement, Release)
+
+CSSPseudoElement::CSSPseudoElement(dom::Element* aElement,
+ PseudoStyleType aType)
+ : mOriginatingElement(aElement), mPseudoType(aType) {
+ MOZ_ASSERT(aElement);
+ MOZ_ASSERT(aType == PseudoStyleType::after ||
+ aType == PseudoStyleType::before ||
+ aType == PseudoStyleType::marker,
+ "Unexpected Pseudo Type");
+}
+
+CSSPseudoElement::~CSSPseudoElement() {
+ // Element might have been unlinked already, so we have to do null check.
+ if (mOriginatingElement) {
+ mOriginatingElement->RemoveProperty(
+ GetCSSPseudoElementPropertyAtom(mPseudoType));
+ }
+}
+
+ParentObject CSSPseudoElement::GetParentObject() const {
+ return mOriginatingElement->GetParentObject();
+}
+
+JSObject* CSSPseudoElement::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return CSSPseudoElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+/* static */
+already_AddRefed<CSSPseudoElement> CSSPseudoElement::GetCSSPseudoElement(
+ dom::Element* aElement, PseudoStyleType aType) {
+ if (!aElement) {
+ return nullptr;
+ }
+
+ nsAtom* propName = CSSPseudoElement::GetCSSPseudoElementPropertyAtom(aType);
+ RefPtr<CSSPseudoElement> pseudo =
+ static_cast<CSSPseudoElement*>(aElement->GetProperty(propName));
+ if (pseudo) {
+ return pseudo.forget();
+ }
+
+ // CSSPseudoElement is a purely external interface created on-demand, and
+ // when all references from script to the pseudo are dropped, we can drop the
+ // CSSPseudoElement object, so use a non-owning reference from Element to
+ // CSSPseudoElement.
+ pseudo = new CSSPseudoElement(aElement, aType);
+ nsresult rv = aElement->SetProperty(propName, pseudo, nullptr, true);
+ if (NS_FAILED(rv)) {
+ NS_WARNING("SetProperty failed");
+ return nullptr;
+ }
+ return pseudo.forget();
+}
+
+/* static */
+nsAtom* CSSPseudoElement::GetCSSPseudoElementPropertyAtom(
+ PseudoStyleType aType) {
+ switch (aType) {
+ case PseudoStyleType::before:
+ return nsGkAtoms::cssPseudoElementBeforeProperty;
+
+ case PseudoStyleType::after:
+ return nsGkAtoms::cssPseudoElementAfterProperty;
+
+ case PseudoStyleType::marker:
+ return nsGkAtoms::cssPseudoElementMarkerProperty;
+
+ default:
+ MOZ_ASSERT_UNREACHABLE(
+ "Should not try to get CSSPseudoElement "
+ "other than ::before, ::after or ::marker");
+ return nullptr;
+ }
+}
+
+} // namespace mozilla::dom