gecko-dev/layout/xul/nsLeafBoxFrame.h

96 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; 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/. */
#ifndef nsLeafBoxFrame_h___
#define nsLeafBoxFrame_h___
#include "mozilla/Attributes.h"
#include "nsLeafFrame.h"
#include "nsBox.h"
class nsLeafBoxFrame : public nsLeafFrame
{
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewLeafBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
virtual nsSize GetPrefSize(nsBoxLayoutState& aState) override;
virtual nsSize GetMinSize(nsBoxLayoutState& aState) override;
virtual nsSize GetMaxSize(nsBoxLayoutState& aState) override;
virtual nscoord GetFlex(nsBoxLayoutState& aState) override;
virtual nscoord GetBoxAscent(nsBoxLayoutState& aState) override;
virtual nsIAtom* GetType() const override;
virtual bool IsFrameOfType(uint32_t aFlags) const override
{
// This is bogus, but it's what we've always done.
// Note that nsLeafFrame is also eReplacedContainsBlock.
return nsLeafFrame::IsFrameOfType(aFlags &
~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock | nsIFrame::eXULBox));
}
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override;
#endif
// nsIHTMLReflow overrides
virtual void MarkIntrinsicISizesDirty() override;
virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
// Our auto size is that provided by nsFrame, not nsLeafFrame
virtual mozilla::LogicalSize
ComputeAutoSize(nsRenderingContext *aRenderingContext,
mozilla::WritingMode aWritingMode,
const mozilla::LogicalSize& aCBSize,
nscoord aAvailableISize,
const mozilla::LogicalSize& aMargin,
const mozilla::LogicalSize& aBorder,
const mozilla::LogicalSize& aPadding,
bool aShrinkWrap) override;
virtual void Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus) override;
virtual nsresult CharacterDataChanged(CharacterDataChangeInfo* aInfo) override;
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* asPrevInFlow) override;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override;
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) override;
virtual bool ComputesOwnOverflowArea() override { return false; }
protected:
NS_IMETHOD DoLayout(nsBoxLayoutState& aState) override;
#ifdef DEBUG_LAYOUT
virtual void GetBoxName(nsAutoString& aName) override;
#endif
virtual nscoord GetIntrinsicISize() override;
explicit nsLeafBoxFrame(nsStyleContext* aContext);
private:
void UpdateMouseThrough();
}; // class nsLeafBoxFrame
#endif /* nsLeafBoxFrame_h___ */