gecko-dev/layout/base/nsStyleChangeList.h
Sylvestre Ledru 265e672179 Bug 1511181 - Reformat everything to the Google coding style r=ehsan a=clang-format
# ignore-this-changeset

--HG--
extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
2018-11-30 11:46:48 +01:00

55 lines
1.6 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/. */
/*
* 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"
class nsIFrame;
class nsIContent;
struct nsStyleChangeData {
nsIFrame* mFrame; // weak
nsCOMPtr<nsIContent> mContent;
nsChangeHint mHint;
};
class nsStyleChangeList : private AutoTArray<nsStyleChangeData, 10> {
typedef AutoTArray<nsStyleChangeData, 10> 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[];
nsStyleChangeList() { MOZ_COUNT_CTOR(nsStyleChangeList); }
~nsStyleChangeList() { MOZ_COUNT_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___ */