Emilio Cobos Álvarez
1ddad57128
Make them concrete classes rather than interfaces, and make the inheritance chain simpler. Differential Revision: https://phabricator.services.mozilla.com/D296484
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
/* 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_HTMLOptionsCollection_h
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#define mozilla_dom_HTMLOptionsCollection_h
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#include "mozilla/dom/ContentList.h"
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#include "mozilla/dom/HTMLOptionElement.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class DocGroup;
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class HTMLElementOrLong;
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class HTMLOptionElementOrHTMLOptGroupElement;
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class HTMLSelectElement;
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/**
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* The collection of options in the select (what you get back when you do
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* select.options in DOM)
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*/
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class HTMLOptionsCollection final : public ContentList {
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public:
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HTMLOptionsCollection(HTMLSelectElement*, bool aFromParser);
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HTMLSelectElement* Select() const;
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DocGroup* GetDocGroup() const { return mRootNode->GetDocGroup(); }
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static bool IsValidOption(const HTMLOptionElement&, const HTMLSelectElement&);
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// nsWrapperCache
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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/**
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* Get the option at the index
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* @param aIndex the index
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*/
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HTMLOptionElement* ItemAsOption(uint32_t aIndex) {
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return static_cast<HTMLOptionElement*>(ContentList::Item(aIndex));
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}
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/**
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* Finds the index of a given option element.
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* If the option isn't part of the collection, return NS_ERROR_FAILURE
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* without setting aIndex.
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*
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* @param aOption the option to get the index of
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* @param aStartIndex the index to start looking at
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* @param aForward TRUE to look forward, FALSE to look backward
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* @return the option index
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*/
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nsresult GetOptionIndex(Element* aOption, int32_t aStartIndex, bool aForward,
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int32_t* aIndex);
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void Add(const HTMLOptionElementOrHTMLOptGroupElement& aElement,
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const Nullable<HTMLElementOrLong>& aBefore, ErrorResult& aError);
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void Remove(int32_t aIndex);
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int32_t SelectedIndex();
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void SetSelectedIndex(int32_t aSelectedIndex);
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void IndexedSetter(uint32_t aIndex, HTMLOptionElement* aOption,
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ErrorResult& aError);
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void SetLength(uint32_t aLength, ErrorResult& aError);
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLOptionsCollection_h
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