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68 lines
1.8 KiB
C++
68 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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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_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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return mDocumentOrShadowRoot ? &mDocumentOrShadowRoot->AsNode() : nullptr;
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}
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uint32_t Length() const {
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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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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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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*
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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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