Mypal/layout/style/DocumentStyleRootIterator.h

38 lines
1.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef DocumentStyleRootIterator_h
#define DocumentStyleRootIterator_h
#include "nsTArray.h"
#include "mozilla/dom/Element.h"
class nsIContent;
class nsIDocument;
namespace mozilla {
/**
* DocumentStyleRootIterator traverses the roots of the document from the
* perspective of the Servo-backed style system. This will first traverse
* the document root, followed by any document level native anonymous content.
*/
class DocumentStyleRootIterator
{
public:
explicit DocumentStyleRootIterator(nsIDocument* aDocument);
~DocumentStyleRootIterator() { MOZ_COUNT_DTOR(DocumentStyleRootIterator); }
Element* GetNextStyleRoot();
private:
AutoTArray<nsIContent*, 8> mStyleRoots;
uint32_t mPosition;
};
} // namespace mozilla
#endif // DocumentStyleRootIterator_h