118 lines
4.2 KiB
C++
118 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/**
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Author:
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Eric D Vaughan
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**/
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#ifndef nsBoxLayoutState_h___
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#define nsBoxLayoutState_h___
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#include "nsIFrame.h"
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#include "nsCOMPtr.h"
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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#include "nsHTMLReflowState.h"
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class nsReflowState;
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class nsCalculatedBoxInfo;
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struct nsHTMLReflowMetrics;
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class nsString;
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class nsHTMLReflowCommand;
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class nsBoxLayoutState
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{
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public:
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enum eBoxLayoutReason {
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Dirty,
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Resize,
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Initial
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};
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nsBoxLayoutState(nsPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredSize) NS_HIDDEN;
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nsBoxLayoutState(nsPresContext* aPresContext) NS_HIDDEN;
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nsBoxLayoutState(nsIPresShell* aShell) NS_HIDDEN;
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nsBoxLayoutState(const nsBoxLayoutState& aState) NS_HIDDEN;
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NS_HIDDEN_(void) HandleReflow(nsIBox* aRootBox);
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nsPresContext* PresContext() { return mPresContext; }
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nsIPresShell* PresShell() { return mPresContext->PresShell(); }
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nscoord* GetMaxElementWidth() { return mReflowState ? mMaxElementWidth : nsnull; }
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PRUint32 LayoutFlags() const { return mLayoutFlags; }
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void SetLayoutFlags(PRUint32 aFlags) { mLayoutFlags = aFlags; }
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// if true no one under us will paint during reflow.
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void SetPaintingDisabled(PRBool aDisable) { mPaintingDisabled = aDisable; }
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PRBool PaintingDisabled() const { return mPaintingDisabled; }
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eBoxLayoutReason LayoutReason() { return mType; }
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void SetLayoutReason(eBoxLayoutReason aReason) { mType = aReason; }
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const nsHTMLReflowState* GetReflowState() { return mReflowState; }
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static NS_HIDDEN_(void*) Allocate(size_t sz, nsIPresShell* aPresShell);
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static NS_HIDDEN_(void) Free(void* aPtr, size_t sz);
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static NS_HIDDEN_(void) RecycleFreedMemory(nsIPresShell* aPresShell,
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void* mem);
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nsresult PushStackMemory() { return PresShell()->PushStackMemory(); }
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nsresult PopStackMemory() { return PresShell()->PopStackMemory(); }
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nsresult AllocateStackMemory(size_t aSize, void** aResult)
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{ return PresShell()->AllocateStackMemory(aSize, aResult); }
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private:
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//void DirtyAllChildren(nsBoxLayoutState& aState, nsIBox* aBox);
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NS_HIDDEN_(void) Unwind(nsReflowPath* aReflowPath, nsIBox* aRootBox);
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NS_HIDDEN_(nsIBox*) GetBoxForFrame(nsIFrame* aFrame, PRBool& aIsAdaptor);
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nsCOMPtr<nsPresContext> mPresContext;
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const nsHTMLReflowState* mReflowState;
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nscoord* mMaxElementWidth;
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eBoxLayoutReason mType;
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PRUint32 mLayoutFlags;
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PRBool mPaintingDisabled;
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};
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#endif
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