зеркало из https://github.com/mozilla/gecko-dev.git
46 строки
1.3 KiB
C++
46 строки
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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"
|
|
|
|
class nsIContent;
|
|
|
|
class nsINode;
|
|
|
|
namespace mozilla {
|
|
|
|
namespace dom {
|
|
class Element;
|
|
} // namespace dom
|
|
|
|
/**
|
|
* DocumentStyleRootIterator traverses the roots of the document from the
|
|
* perspective of the Servo-backed style system. In the general case, this
|
|
* will first traverse the document root, followed by any document level
|
|
* native anonymous content.
|
|
*
|
|
* If the caller passes an element to the constructor rather than the document,
|
|
* that element (and nothing else) is returned from GetNextStyleRoot.
|
|
*/
|
|
class DocumentStyleRootIterator {
|
|
public:
|
|
explicit DocumentStyleRootIterator(nsINode* aStyleRoot);
|
|
~DocumentStyleRootIterator() { MOZ_COUNT_DTOR(DocumentStyleRootIterator); }
|
|
|
|
dom::Element* GetNextStyleRoot();
|
|
|
|
private:
|
|
AutoTArray<nsIContent*, 8> mStyleRoots;
|
|
uint32_t mPosition;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // DocumentStyleRootIterator_h
|