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nsLeafBoxFrame.h
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nsLeafBoxFrame.h
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsLeafBoxFrame_h___
#define nsLeafBoxFrame_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);
virtual nsSize GetMinSize(nsBoxLayoutState& aState);
virtual nsSize GetMaxSize(nsBoxLayoutState& aState);
virtual nscoord GetFlex(nsBoxLayoutState& aState);
virtual nscoord GetBoxAscent(nsBoxLayoutState& aState);
virtual nsIAtom* GetType() const;
virtual PRBool IsFrameOfType(PRUint32 aFlags) const
{
// 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
NS_IMETHOD GetFrameName(nsAString& aResult) const;
#endif
// nsIHTMLReflow overrides
virtual void MarkIntrinsicWidthsDirty();
virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
// 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, PRBool aShrinkWrap);
NS_IMETHOD Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD CharacterDataChanged(CharacterDataChangeInfo* aInfo);
NS_IMETHOD Init(
nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* asPrevInFlow);
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists);
NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType);
virtual PRBool ComputesOwnOverflowArea() { return PR_FALSE; }
protected:
NS_IMETHOD DoLayout(nsBoxLayoutState& aState);
#ifdef DEBUG_LAYOUT
virtual void GetBoxName(nsAutoString& aName);
#endif
virtual nscoord GetIntrinsicWidth();
nsLeafBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext);
private:
void UpdateMouseThrough();
}; // class nsLeafBoxFrame
#endif /* nsLeafBoxFrame_h___ */