Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
       5             :  * You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef DocumentStyleRootIterator_h
       8             : #define DocumentStyleRootIterator_h
       9             : 
      10             : #include "nsTArray.h"
      11             : 
      12             : class nsIContent;
      13             : class nsIDocument;
      14             : 
      15             : namespace mozilla {
      16             : 
      17             : namespace dom {
      18             : class Element;
      19             : } // namespace dom
      20             : 
      21             : /**
      22             :  * DocumentStyleRootIterator traverses the roots of the document from the
      23             :  * perspective of the Servo-backed style system.  This will first traverse
      24             :  * the document root, followed by any document level native anonymous content.
      25             :  */
      26             : class DocumentStyleRootIterator
      27             : {
      28             : public:
      29             :   explicit DocumentStyleRootIterator(nsIDocument* aDocument);
      30           0 :   ~DocumentStyleRootIterator() { MOZ_COUNT_DTOR(DocumentStyleRootIterator); }
      31             : 
      32             :   dom::Element* GetNextStyleRoot();
      33             : 
      34             : private:
      35             :   AutoTArray<nsIContent*, 8> mStyleRoots;
      36             :   uint32_t mPosition;
      37             : };
      38             : 
      39             : } // namespace mozilla
      40             : 
      41             : #endif // DocumentStyleRootIterator_h