Mozilla/mozilla/layout/xul/base/src/nsBoxToBlockAdaptor.h
2002-01-24 22:34:25 +00:00

130 lines
4.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsBoxToBlockAdaptor_h___
#define nsBoxToBlockAdaptor_h___
#include "nsIBoxToBlockAdaptor.h"
#include "nsBox.h"
class nsBoxToBlockAdaptor : public nsBox, public nsIBoxToBlockAdaptor {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_IMETHOD GetPrefSize(nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
NS_IMETHOD GetMinSize(nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
NS_IMETHOD GetMaxSize(nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
NS_IMETHOD GetFlex(nsBoxLayoutState& aBoxLayoutState, nscoord& aFlex);
NS_IMETHOD GetAscent(nsBoxLayoutState& aBoxLayoutState, nscoord& aAscent);
NS_IMETHOD IsCollapsed(nsBoxLayoutState& aBoxLayoutState, PRBool& aCollapsed);
NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState);
NS_IMETHOD GetFrame(nsIFrame** aFrame);
NS_IMETHOD SetIncludeOverflow(PRBool aInclude);
NS_IMETHOD GetOverflow(nsSize& aOverflow);
NS_IMETHOD NeedsRecalc();
NS_IMETHOD SetParentBox(nsIBox* aParent);
NS_IMETHOD Recycle(nsIPresShell* aPresShell);
void* operator new(size_t sz, nsIPresShell* aPresShell);
void operator delete(void* aPtr, size_t sz);
nsBoxToBlockAdaptor(nsIPresShell* aShell, nsIFrame* aFrame);
virtual ~nsBoxToBlockAdaptor();
protected:
virtual void GetBoxName(nsAutoString& aName);
virtual PRBool HasStyleChange();
virtual void SetStyleChangeFlag(PRBool aDirty);
virtual PRBool GetWasCollapsed(nsBoxLayoutState& aState);
virtual void SetWasCollapsed(nsBoxLayoutState& aState, PRBool aWas);
private:
nsresult Reflow(nsBoxLayoutState& aState,
nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus,
nscoord aX,
nscoord aY,
nscoord aWidth,
nscoord aHeight,
PRBool aMoveFrame = PR_TRUE);
void HandleIncrementalReflow(nsBoxLayoutState& aState,
const nsHTMLReflowState aReflowState,
nsReflowReason& aReason,
PRBool aPopOffIncremental,
PRBool& aRedrawNow,
PRBool& aNeedReflow,
PRBool& aRedrawAfterReflow,
PRBool& aMoveFrame);
PRBool CanSetMaxElementSize(nsBoxLayoutState& aState, nsReflowReason& aReason);
NS_IMETHODIMP RefreshSizeCache(nsBoxLayoutState& aState);
nsIFrame* mFrame;
nsSize mPrefSize;
nsSize mMinSize;
nsSize mMaxSize;
nsSize mBlockMinSize;
nsSize mBlockPrefSize;
nscoord mBlockAscent;
nscoord mFlex;
nscoord mAscent;
nscoord mCachedMaxElementHeight;
nsSize mLastSize;
nsSize mOverflow;
nsIPresShell* mPresShell;
PRPackedBool mIncludeOverflow;
PRPackedBool mWasCollapsed;
PRPackedBool mStyleChange;
};
#endif