68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; 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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#include "mozilla/dom/StyleSheetList.h"
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#include "mozilla/CSSStyleSheet.h"
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#include "mozilla/dom/StyleSheetListBinding.h"
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#include "nsStubDocumentObserver.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(nsIDOMStyleSheetList)
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NS_INTERFACE_MAP_ENTRY(nsIMutationObserver)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMStyleSheetList)
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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 */ JSObject*
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StyleSheetList::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return StyleSheetListBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMETHODIMP
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StyleSheetList::GetLength(uint32_t* aLength)
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{
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*aLength = Length();
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return NS_OK;
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}
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NS_IMETHODIMP
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StyleSheetList::SlowItem(uint32_t aIndex, nsIDOMStyleSheet** aItem)
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{
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NS_IF_ADDREF(*aItem = Item(aIndex));
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return NS_OK;
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}
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void
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StyleSheetList::NodeWillBeDestroyed(const nsINode* aNode)
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{
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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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{
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mDocumentOrShadowRoot->AsNode().AddMutationObserver(this);
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}
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StyleSheetList::~StyleSheetList()
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{
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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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