forked from mirrors/gecko-dev
10b8b4cdb3
MozReview-Commit-ID: 8ljZkAqgT4N --HG-- extra : rebase_source : bea400511aa6c6c10e76c8418d6dfc8df2b31d17
46 lines
1.3 KiB
C++
46 lines
1.3 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DocumentStyleRootIterator_h
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#define DocumentStyleRootIterator_h
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#include "nsTArray.h"
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class nsIContent;
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class nsIDocument;
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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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/**
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* DocumentStyleRootIterator traverses the roots of the document from the
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* perspective of the Servo-backed style system. In the general case, this
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* will first traverse the document root, followed by any document level
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* native anonymous content.
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*
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* If the caller passes an element to the constructor rather than the document,
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* that element (and nothing else) is returned from GetNextStyleRoot.
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*/
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class DocumentStyleRootIterator
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{
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public:
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explicit DocumentStyleRootIterator(nsINode* aStyleRoot);
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~DocumentStyleRootIterator() { MOZ_COUNT_DTOR(DocumentStyleRootIterator); }
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dom::Element* GetNextStyleRoot();
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private:
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AutoTArray<nsIContent*, 8> mStyleRoots;
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uint32_t mPosition;
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};
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} // namespace mozilla
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#endif // DocumentStyleRootIterator_h
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