gecko-dev/layout/xul/nsLeafBoxFrame.h

93 lines
3.3 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 nsAccessKeyInfo;
class nsLeafBoxFrame : public nsLeafFrame
{
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewLeafBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
virtual nsSize GetPrefSize(nsBoxLayoutState& aState) MOZ_OVERRIDE;
virtual nsSize GetMinSize(nsBoxLayoutState& aState) MOZ_OVERRIDE;
virtual nsSize GetMaxSize(nsBoxLayoutState& aState) MOZ_OVERRIDE;
virtual nscoord GetFlex(nsBoxLayoutState& aState) MOZ_OVERRIDE;
virtual nscoord GetBoxAscent(nsBoxLayoutState& aState) MOZ_OVERRIDE;
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_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 MOZ_OVERRIDE;
#endif
// nsIHTMLReflow overrides
virtual void MarkIntrinsicWidthsDirty() MOZ_OVERRIDE;
virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
// Our auto size is that provided by nsFrame, not nsLeafFrame
virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
nsSize aCBSize, nscoord aAvailableWidth,
nsSize aMargin, nsSize aBorder,
nsSize aPadding, bool aShrinkWrap) MOZ_OVERRIDE;
virtual nsresult Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus) MOZ_OVERRIDE;
virtual nsresult CharacterDataChanged(CharacterDataChangeInfo* aInfo) MOZ_OVERRIDE;
virtual void Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* asPrevInFlow) MOZ_OVERRIDE;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) MOZ_OVERRIDE;
virtual bool ComputesOwnOverflowArea() MOZ_OVERRIDE { return false; }
protected:
NS_IMETHOD DoLayout(nsBoxLayoutState& aState) MOZ_OVERRIDE;
#ifdef DEBUG_LAYOUT
virtual void GetBoxName(nsAutoString& aName) MOZ_OVERRIDE;
#endif
virtual nscoord GetIntrinsicWidth() MOZ_OVERRIDE;
nsLeafBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext);
private:
void UpdateMouseThrough();
}; // class nsLeafBoxFrame
#endif /* nsLeafBoxFrame_h___ */