/* -*- 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 MathML Project. * * The Initial Developer of the Original Code is * The University Of Queensland. * Portions created by the Initial Developer are Copyright (C) 1999 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Roger B. Sidje * * 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 nsMathMLmtableFrame_h___ #define nsMathMLmtableFrame_h___ #include "nsCOMPtr.h" #include "nsMathMLContainerFrame.h" // // -- table or matrix // class nsMathMLmtableOuterFrame : public nsTableOuterFrame, public nsMathMLFrame { public: friend nsIFrame* NS_NewMathMLmtableOuterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); NS_DECL_QUERYFRAME // Overloaded nsIMathMLFrame methods NS_IMETHOD InheritAutomaticData(nsIFrame* aParent); NS_IMETHOD UpdatePresentationData(PRUint32 aFlagsValues, PRUint32 aWhichFlags); NS_IMETHOD UpdatePresentationDataFromChildAt(PRInt32 aFirstIndex, PRInt32 aLastIndex, PRUint32 aFlagsValues, PRUint32 aWhichFlags); // overloaded nsTableOuterFrame methods NS_IMETHOD Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus); NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID, nsIAtom* aAttribute, PRInt32 aModType); virtual PRBool IsFrameOfType(PRUint32 aFlags) const { return nsTableOuterFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML | nsIFrame::eExcludesIgnorableWhitespace)); } protected: nsMathMLmtableOuterFrame(nsStyleContext* aContext) : nsTableOuterFrame(aContext) {} virtual ~nsMathMLmtableOuterFrame(); // helper to find the row frame at a given index, positive or negative, e.g., // 1..n means the first row down to the last row, -1..-n means the last row // up to the first row. Used for alignments that are relative to a given row nsIFrame* GetRowFrameAt(nsPresContext* aPresContext, PRInt32 aRowIndex); }; // class nsMathMLmtableOuterFrame // -------------- class nsMathMLmtableFrame : public nsTableFrame { public: friend nsIFrame* NS_NewMathMLmtableFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); // Overloaded nsTableFrame methods NS_IMETHOD SetInitialChildList(nsIAtom* aListName, nsIFrame* aChildList); NS_IMETHOD AppendFrames(nsIAtom* aListName, nsIFrame* aFrameList) { nsresult rv = nsTableFrame::AppendFrames(aListName, aFrameList); RestyleTable(); return rv; } NS_IMETHOD InsertFrames(nsIAtom* aListName, nsIFrame* aPrevFrame, nsIFrame* aFrameList) { nsresult rv = nsTableFrame::InsertFrames(aListName, aPrevFrame, aFrameList); RestyleTable(); return rv; } NS_IMETHOD RemoveFrame(nsIAtom* aListName, nsIFrame* aOldFrame) { nsresult rv = nsTableFrame::RemoveFrame(aListName, aOldFrame); RestyleTable(); return rv; } virtual PRBool IsFrameOfType(PRUint32 aFlags) const { return nsTableFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML | nsIFrame::eExcludesIgnorableWhitespace)); } // helper to restyle and reflow the table when a row is changed -- since MathML // attributes are inter-dependent and row/colspan can affect the table, it is // safer (albeit grossly suboptimal) to just relayout the whole thing. void RestyleTable(); protected: nsMathMLmtableFrame(nsStyleContext* aContext) : nsTableFrame(aContext) {} virtual ~nsMathMLmtableFrame(); }; // class nsMathMLmtableFrame // -------------- class nsMathMLmtrFrame : public nsTableRowFrame { public: friend nsIFrame* NS_NewMathMLmtrFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); // overloaded nsTableRowFrame methods NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID, nsIAtom* aAttribute, PRInt32 aModType); NS_IMETHOD AppendFrames(nsIAtom* aListName, nsIFrame* aFrameList) { nsresult rv = nsTableRowFrame::AppendFrames(aListName, aFrameList); RestyleTable(); return rv; } NS_IMETHOD InsertFrames(nsIAtom* aListName, nsIFrame* aPrevFrame, nsIFrame* aFrameList) { nsresult rv = nsTableRowFrame::InsertFrames(aListName, aPrevFrame, aFrameList); RestyleTable(); return rv; } NS_IMETHOD RemoveFrame(nsIAtom* aListName, nsIFrame* aOldFrame) { nsresult rv = nsTableRowFrame::RemoveFrame(aListName, aOldFrame); RestyleTable(); return rv; } virtual PRBool IsFrameOfType(PRUint32 aFlags) const { return nsTableRowFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML | nsIFrame::eExcludesIgnorableWhitespace)); } // helper to restyle and reflow the table -- @see nsMathMLmtableFrame. void RestyleTable() { nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this); if (tableFrame && tableFrame->IsFrameOfType(nsIFrame::eMathML)) { // relayout the table ((nsMathMLmtableFrame*)tableFrame)->RestyleTable(); } } protected: nsMathMLmtrFrame(nsStyleContext* aContext) : nsTableRowFrame(aContext) {} virtual ~nsMathMLmtrFrame(); }; // class nsMathMLmtrFrame // -------------- class nsMathMLmtdFrame : public nsTableCellFrame { public: friend nsIFrame* NS_NewMathMLmtdFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); // overloaded nsTableCellFrame methods NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID, nsIAtom* aAttribute, PRInt32 aModType); virtual PRInt32 GetRowSpan(); virtual PRInt32 GetColSpan(); virtual PRBool IsFrameOfType(PRUint32 aFlags) const { return nsTableCellFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML | nsIFrame::eExcludesIgnorableWhitespace)); } protected: nsMathMLmtdFrame(nsStyleContext* aContext) : nsTableCellFrame(aContext) {} virtual ~nsMathMLmtdFrame(); }; // class nsMathMLmtdFrame // -------------- class nsMathMLmtdInnerFrame : public nsBlockFrame, public nsMathMLFrame { public: friend nsIFrame* NS_NewMathMLmtdInnerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); NS_DECL_QUERYFRAME // Overloaded nsIMathMLFrame methods NS_IMETHOD UpdatePresentationDataFromChildAt(PRInt32 aFirstIndex, PRInt32 aLastIndex, PRUint32 aFlagsValues, PRUint32 aFlagsToUpdate) { nsMathMLContainerFrame::PropagatePresentationDataFromChildAt(this, aFirstIndex, aLastIndex, aFlagsValues, aFlagsToUpdate); return NS_OK; } NS_IMETHOD Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus); virtual PRBool IsFrameOfType(PRUint32 aFlags) const { return nsBlockFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML | nsIFrame::eExcludesIgnorableWhitespace)); } protected: nsMathMLmtdInnerFrame(nsStyleContext* aContext) : nsBlockFrame(aContext) {} virtual ~nsMathMLmtdInnerFrame(); virtual PRIntn GetSkipSides() const { return 0; } }; // class nsMathMLmtdInnerFrame #endif /* nsMathMLmtableFrame_h___ */