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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 http://mozilla.org/MPL/2.0/. */
/* base class for rendering objects that do not have child lists */
#ifndef nsLeafFrame_h___
#define nsLeafFrame_h___
#include "mozilla/Attributes.h"
#include "nsIFrame.h"
#include "nsDisplayList.h"
/**
* Abstract class that provides simple fixed-size layout for leaf objects.
*/
class nsLeafFrame : public nsIFrame {
public:
NS_DECL_ABSTRACT_FRAME(nsLeafFrame)
// nsIFrame replacements
void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsDisplayListSet& aLists) override;
nscoord IntrinsicISize(const mozilla::IntrinsicSizeInput& aInput,
mozilla::IntrinsicISizeType aType) override;
/**
* Our auto size is just the intrinsic size.
*/
mozilla::LogicalSize ComputeAutoSize(
gfxContext* aRenderingContext, mozilla::WritingMode aWM,
const mozilla::LogicalSize& aCBSize, nscoord aAvailableISize,
const mozilla::LogicalSize& aMargin,
const mozilla::LogicalSize& aBorderPadding,
const mozilla::StyleSizeOverrides& aSizeOverrides,
mozilla::ComputeSizeFlags aFlags) override;
/**
* Each of our subclasses should provide its own Reflow impl:
*/
void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override = 0;
protected:
nsLeafFrame(ComputedStyle* aStyle, nsPresContext* aPresContext, ClassID aID)
: nsIFrame(aStyle, aPresContext, aID) {}
virtual ~nsLeafFrame();
};
#endif /* nsLeafFrame_h___ */
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