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/* -*- 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 */
/* base class for rendering objects that need child lists but behave like leaf
#ifndef nsAtomicContainerFrame_h___
#define nsAtomicContainerFrame_h___
#include "nsContainerFrame.h"
* This class is for frames which need child lists but act like a leaf
* frame. In general, all frames of elements laid out according to the
* CSS box model would need child list for ::backdrop in case they are
* in fullscreen, while some of them still want leaf frame behavior.
class nsAtomicContainerFrame : public nsContainerFrame {
// Bypass the nsContainerFrame/nsSplittableFrame impl of the following
// methods so we behave like a leaf frame.
FrameSearchResult PeekOffsetNoAmount(bool aForward,
int32_t* aOffset) override {
return nsIFrame::PeekOffsetNoAmount(aForward, aOffset);
FrameSearchResult PeekOffsetCharacter(
bool aForward, int32_t* aOffset,
PeekOffsetCharacterOptions aOptions =
PeekOffsetCharacterOptions()) override {
return nsIFrame::PeekOffsetCharacter(aForward, aOffset, aOptions);
nsAtomicContainerFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
ClassID aID)
: nsContainerFrame(aStyle, aPresContext, aID) {}
#endif // nsAtomicContainerFrame_h___