зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
2.8 KiB
C++
91 строка
2.8 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 nsIHTMLCollection_h___
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#define nsIHTMLCollection_h___
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#include "nsISupports.h"
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#include "nsStringFwd.h"
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#include "nsTArrayForwardDeclare.h"
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#include "nsWrapperCache.h"
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#include "js/RootingAPI.h"
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#include "js/TypeDecls.h"
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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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} // namespace dom
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} // namespace mozilla
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// IID for the nsIHTMLCollection interface
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#define NS_IHTMLCOLLECTION_IID \
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{ \
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0x4e169191, 0x5196, 0x4e17, { \
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0xa4, 0x79, 0xd5, 0x35, 0x0b, 0x5b, 0x0a, 0xcd \
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} \
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}
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/**
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* An internal interface
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*/
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class nsIHTMLCollection : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IHTMLCOLLECTION_IID)
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/**
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* Get the root node for this HTML collection.
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*/
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virtual nsINode* GetParentObject() = 0;
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virtual uint32_t Length() = 0;
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virtual mozilla::dom::Element* GetElementAt(uint32_t index) = 0;
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mozilla::dom::Element* Item(uint32_t index) { return GetElementAt(index); }
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mozilla::dom::Element* IndexedGetter(uint32_t index, bool& aFound) {
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mozilla::dom::Element* item = Item(index);
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aFound = !!item;
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return item;
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}
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mozilla::dom::Element* NamedItem(const nsAString& aName) {
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bool dummy;
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return NamedGetter(aName, dummy);
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}
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mozilla::dom::Element* NamedGetter(const nsAString& aName, bool& aFound) {
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return GetFirstNamedElement(aName, aFound);
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}
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virtual mozilla::dom::Element* GetFirstNamedElement(const nsAString& aName,
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bool& aFound) = 0;
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virtual void GetSupportedNames(nsTArray<nsString>& aNames) = 0;
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JSObject* GetWrapperPreserveColor() {
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return GetWrapperPreserveColorInternal();
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}
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JSObject* GetWrapper() {
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JSObject* obj = GetWrapperPreserveColor();
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if (obj) {
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JS::ExposeObjectToActiveJS(obj);
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}
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return obj;
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}
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void PreserveWrapper(nsISupports* aScriptObjectHolder) {
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PreserveWrapperInternal(aScriptObjectHolder);
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}
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) = 0;
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protected:
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// Hook for calling nsWrapperCache::GetWrapperPreserveColor.
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virtual JSObject* GetWrapperPreserveColorInternal() = 0;
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// Hook for calling nsWrapperCache::PreserveWrapper.
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virtual void PreserveWrapperInternal(nsISupports* aScriptObjectHolder) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIHTMLCollection, NS_IHTMLCOLLECTION_IID)
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#endif /* nsIHTMLCollection_h___ */
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