зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
2.5 KiB
C++
92 строки
2.5 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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#ifndef mozilla_dom_HTMLAllCollection_h
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#define mozilla_dom_HTMLAllCollection_h
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#include "nsCycleCollectionParticipant.h"
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#include "nsISupportsImpl.h"
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#include "nsRefPtrHashtable.h"
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#include "nsWrapperCache.h"
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#include <stdint.h>
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class nsContentList;
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class nsHTMLDocument;
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class nsINode;
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namespace mozilla {
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namespace dom {
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class Element;
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class OwningHTMLCollectionOrElement;
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template <typename>
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struct Nullable;
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template <typename>
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class Optional;
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class HTMLAllCollection final : public nsISupports, public nsWrapperCache {
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~HTMLAllCollection();
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public:
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explicit HTMLAllCollection(nsHTMLDocument* aDocument);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(HTMLAllCollection)
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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nsINode* GetParentObject() const;
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uint32_t Length();
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Element* IndexedGetter(uint32_t aIndex, bool& aFound) {
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Element* result = Item(aIndex);
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aFound = !!result;
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return result;
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}
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void NamedItem(const nsAString& aName,
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Nullable<OwningHTMLCollectionOrElement>& aResult) {
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bool found = false;
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NamedGetter(aName, found, aResult);
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}
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void NamedGetter(const nsAString& aName, bool& aFound,
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Nullable<OwningHTMLCollectionOrElement>& aResult);
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void GetSupportedNames(nsTArray<nsString>& aNames);
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void Item(const Optional<nsAString>& aNameOrIndex,
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Nullable<OwningHTMLCollectionOrElement>& aResult);
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void LegacyCall(JS::Handle<JS::Value>,
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const Optional<nsAString>& aNameOrIndex,
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Nullable<OwningHTMLCollectionOrElement>& aResult) {
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Item(aNameOrIndex, aResult);
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}
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private:
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nsContentList* Collection();
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/**
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* Returns the HTMLCollection for document.all[aID], or null if there isn't
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* one.
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*/
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nsContentList* GetDocumentAllList(const nsAString& aID);
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/**
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* Helper for indexed getter and spec Item() method.
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*/
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Element* Item(uint32_t aIndex);
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RefPtr<nsHTMLDocument> mDocument;
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RefPtr<nsContentList> mCollection;
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nsRefPtrHashtable<nsStringHashKey, nsContentList> mNamedMap;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLAllCollection_h
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