From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- layout/base/nsStyleChangeList.h | 55 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 layout/base/nsStyleChangeList.h (limited to 'layout/base/nsStyleChangeList.h') diff --git a/layout/base/nsStyleChangeList.h b/layout/base/nsStyleChangeList.h new file mode 100644 index 0000000000..9dd80509dd --- /dev/null +++ b/layout/base/nsStyleChangeList.h @@ -0,0 +1,55 @@ +/* -*- 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/. */ + +/* + * a list of the recomputation that needs to be done in response to a + * style change + */ + +#ifndef nsStyleChangeList_h___ +#define nsStyleChangeList_h___ + +#include "mozilla/Attributes.h" + +#include "nsChangeHint.h" +#include "nsCOMPtr.h" +#include "nsTArray.h" + +class nsIFrame; +class nsIContent; + +struct nsStyleChangeData { + nsIFrame* mFrame; // weak + nsCOMPtr mContent; + nsChangeHint mHint; +}; + +class nsStyleChangeList : private AutoTArray { + typedef AutoTArray base_type; + nsStyleChangeList(const nsStyleChangeList&) = delete; + + public: + using base_type::begin; + using base_type::Clear; + using base_type::end; + using base_type::IsEmpty; + using base_type::Length; + using base_type::operator[]; + + MOZ_COUNTED_DEFAULT_CTOR(nsStyleChangeList) + MOZ_COUNTED_DTOR(nsStyleChangeList) + void AppendChange(nsIFrame* aFrame, nsIContent* aContent, nsChangeHint aHint); + + // Starting from the end of the list, removes all changes until the list is + // empty or an element with |mContent != aContent| is found. + void PopChangesForContent(nsIContent* aContent) { + while (!IsEmpty() && LastElement().mContent == aContent) { + RemoveLastElement(); + } + } +}; + +#endif /* nsStyleChangeList_h___ */ -- cgit v1.2.3