From bebec8fcb84dba6b684dfe1cc6c8a1e7741df374 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Tue, 14 Apr 2020 21:50:13 -0400 Subject: Bug 1321284 - Crash in nsCSSFrameConstructor::GetInsertionPrevSibling when trying to reframe native anonymous content * Make StyleChildrenIterator skip NAC generated by root element primary frame ancestors. * Add nsINode::GetFlattenedTreeParentNodeForStyle. * Add iterator class to find all restyle roots. NOTE: Parts 1, 2, and "4.2" Tag #1375 --- layout/style/DocumentStyleRootIterator.h | 37 ++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 layout/style/DocumentStyleRootIterator.h (limited to 'layout/style/DocumentStyleRootIterator.h') diff --git a/layout/style/DocumentStyleRootIterator.h b/layout/style/DocumentStyleRootIterator.h new file mode 100644 index 000000000..7dcdc7fa1 --- /dev/null +++ b/layout/style/DocumentStyleRootIterator.h @@ -0,0 +1,37 @@ +/* -*- 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 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 mStyleRoots; + uint32_t mPosition; +}; + +} // namespace mozilla + +#endif // DocumentStyleRootIterator_h -- cgit v1.2.3