47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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/. */
|
|
|
|
/* 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
|
|
{
|
|
public:
|
|
NS_DECL_ABSTRACT_FRAME(nsAtomicContainerFrame)
|
|
|
|
// Bypass the nsContainerFrame/nsSplittableFrame impl of the following
|
|
// methods so we behave like a leaf frame.
|
|
bool IsLeaf() const override { return true; }
|
|
FrameSearchResult PeekOffsetNoAmount(bool aForward, int32_t* aOffset) override
|
|
{
|
|
return nsFrame::PeekOffsetNoAmount(aForward, aOffset);
|
|
}
|
|
FrameSearchResult PeekOffsetCharacter(bool aForward, int32_t* aOffset,
|
|
bool aRespectClusters = true) override
|
|
{
|
|
return nsFrame::PeekOffsetCharacter(aForward, aOffset, aRespectClusters);
|
|
}
|
|
nsSplittableType GetSplittableType() const override
|
|
{
|
|
return nsFrame::GetSplittableType();
|
|
}
|
|
|
|
protected:
|
|
explicit nsAtomicContainerFrame(nsStyleContext* aContext)
|
|
: nsContainerFrame(aContext) {}
|
|
};
|
|
|
|
#endif // nsAtomicContainerFrame_h___
|