149 lines
4.2 KiB
C++
149 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the 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 Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#ifndef nsBlockFrame_h___
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#define nsBlockFrame_h___
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#include "nsHTMLContainerFrame.h"
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#include "nsLineLayout.h"
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#include "nsInlineLayout.h"
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#include "nsVoidArray.h"
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#include "nsISpaceManager.h"
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class nsBlockFrame;
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struct nsInlineLayout;
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class nsPlaceholderFrame;
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struct LineData;
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/* 52b33130-0b99-11d2-932e-00805f8add32 */
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#define NS_BLOCK_FRAME_CID \
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{ 0x52b33130, 0x0b99, 0x11d2, {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
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// XXX hide this as soon as list bullet code is cleaned up
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struct nsBlockReflowState : public nsReflowState {
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nsBlockReflowState(nsIPresContext* aPresContext,
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nsISpaceManager* aSpaceManager,
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nsBlockFrame* aBlock,
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nsIStyleContext* aBlockSC,
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const nsReflowState& aReflowState,
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nsReflowMetrics& aMetrics,
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PRBool aComputeMaxElementSize);
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~nsBlockReflowState();
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/**
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* Update the mCurrentBand data based on the current mY position.
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*/
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void GetAvailableSpace();
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void AddFloater(nsPlaceholderFrame* aPlaceholderFrame);
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void PlaceFloater(nsPlaceholderFrame* aFloater);
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void PlaceFloaters(nsVoidArray* aFloaters);
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void ClearFloaters(PRUint8 aBreakType);
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PRBool IsLeftMostChild(nsIFrame* aFrame);
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nsIPresContext* mPresContext;
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nsISpaceManager* mSpaceManager;
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nsBlockFrame* mBlock;
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PRBool mBlockIsPseudo;
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nsBlockFrame* mNextInFlow;
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PRUint8 mTextAlign;
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PRUint8 mDirection;
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nsMargin mBorderPadding;
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nsSize mInnerSize; // inner area after removing border+padding
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nsSize mStyleSize;
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PRIntn mStyleSizeFlags;
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nscoord mDeltaWidth;
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nscoord mBottomEdge; // maximum Y
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nscoord mBulletPadding;
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nscoord mLeftPadding;
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PRPackedBool mUnconstrainedWidth;
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PRPackedBool mUnconstrainedHeight;
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PRPackedBool mNoWrap;
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PRPackedBool mComputeMaxElementSize;
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nscoord mX, mY;
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nscoord mPrevBottomMargin;
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nscoord mOuterTopMargin;
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nscoord mKidXMost;
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// When a block that contains a block is unconstrained we need to
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// give the inner block a limited width otherwise they don't reflow
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// properly.
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PRPackedBool mHaveBlockMaxWidth;
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nscoord mBlockMaxWidth;
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nsSize mMaxElementSize;
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nsLineLayout mLineLayout;
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nsInlineLayout mInlineLayout;
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PRBool mInlineLayoutPrepared;
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nsIFrame* mPrevChild;
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LineData* mFreeList;
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nsVoidArray mPendingFloaters;
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nscoord mSpaceManagerX, mSpaceManagerY;
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LineData* mCurrentLine;
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LineData* mPrevLine;
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// XXX The next list ordinal for counting list bullets
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PRInt32 mNextListOrdinal;
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// XXX what happens if we need more than 12 trapezoids?
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struct BlockBandData : public nsBandData {
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// Trapezoids used during band processing
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nsBandTrapezoid data[12];
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// Bounding rect of available space between any left and right floaters
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nsRect availSpace;
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BlockBandData() {
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size = 12;
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trapezoids = data;
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}
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/**
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* Computes the bounding rect of the available space, i.e. space
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* between any left and right floaters Uses the current trapezoid
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* data, see nsISpaceManager::GetBandData(). Also updates member
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* data "availSpace".
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*/
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void ComputeAvailSpaceRect();
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};
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BlockBandData mCurrentBand;
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};
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inline void
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nsLineLayout::AddFloater(nsPlaceholderFrame* aFrame)
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{
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mBlockReflowState->AddFloater(aFrame);
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}
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#endif /* nsCSSBlockFrame_h___ */
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