зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.5 KiB
C++
49 строки
1.5 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/StyleSheetList.h"
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#include "mozilla/dom/StyleSheetListBinding.h"
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#include "nsINode.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(StyleSheetList)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(StyleSheetList)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsIMutationObserver)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(StyleSheetList)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(StyleSheetList)
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/* virtual */
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JSObject* StyleSheetList::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return StyleSheetList_Binding::Wrap(aCx, this, aGivenProto);
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}
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void StyleSheetList::NodeWillBeDestroyed(const nsINode* aNode) {
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mDocumentOrShadowRoot = nullptr;
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}
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StyleSheetList::StyleSheetList(DocumentOrShadowRoot& aScope)
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: mDocumentOrShadowRoot(&aScope) {
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mDocumentOrShadowRoot->AsNode().AddMutationObserver(this);
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}
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StyleSheetList::~StyleSheetList() {
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if (mDocumentOrShadowRoot) {
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mDocumentOrShadowRoot->AsNode().RemoveMutationObserver(this);
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}
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}
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} // namespace dom
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} // namespace mozilla
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