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d296624690
Backed out changeset 28bedb658af4 (bug 1340498) Backed out changeset f950a2310e26 (bug 1340498) Backed out changeset 5fcd31c65fe0 (bug 1340498) Backed out changeset 515bb5e24dd7 (bug 1340498) Backed out changeset 79a8619bd3e2 (bug 1340498)
73 lines
1.8 KiB
C++
73 lines
1.8 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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#ifndef mozilla_dom_StyleSheetList_h
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#define mozilla_dom_StyleSheetList_h
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#include "nsContentUtils.h"
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#include "mozilla/dom/DocumentOrShadowRoot.h"
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#include "nsStubMutationObserver.h"
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#include "nsWrapperCache.h"
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class nsINode;
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namespace mozilla {
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class StyleSheet;
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namespace dom {
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class StyleSheetList final : public nsStubMutationObserver
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, public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(StyleSheetList)
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NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
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explicit StyleSheetList(DocumentOrShadowRoot& aScope);
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
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nsINode* GetParentObject() const
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{
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return mDocumentOrShadowRoot ? &mDocumentOrShadowRoot->AsNode() : nullptr;
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}
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uint32_t Length() const
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{
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return mDocumentOrShadowRoot ? mDocumentOrShadowRoot->SheetCount() : 0;
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}
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StyleSheet* IndexedGetter(uint32_t aIndex, bool& aFound) const
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{
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if (!mDocumentOrShadowRoot) {
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aFound = false;
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return nullptr;
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}
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StyleSheet* sheet = mDocumentOrShadowRoot->SheetAt(aIndex);
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aFound = !!sheet;
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return sheet;
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}
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StyleSheet* Item(uint32_t aIndex) const
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{
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bool dummy = false;
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return IndexedGetter(aIndex, dummy);
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}
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protected:
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virtual ~StyleSheetList();
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DocumentOrShadowRoot* mDocumentOrShadowRoot; // Weak, cleared on "NodeWillBeDestroyed".
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_StyleSheetList_h
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