/* -*- 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.org 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 nsPlaceholderFrame_h___ #define nsPlaceholderFrame_h___ #include "nsSplittableFrame.h" nsresult NS_NewPlaceholderFrame(nsIPresShell* aPresShell, nsIFrame** aInstancePtrResult); /** * Implementation of a frame that's used as a placeholder for a frame that * has been moved out of the flow */ class nsPlaceholderFrame : public nsSplittableFrame { public: /** * Create a new placeholder frame */ friend nsresult NS_NewPlaceholderFrame(nsIPresShell* aPresShell, nsIFrame** aInstancePtrResult); nsPlaceholderFrame(); virtual ~nsPlaceholderFrame(); // Get/Set the associated out of flow frame nsIFrame* GetOutOfFlowFrame() const {return mOutOfFlowFrame;} void SetOutOfFlowFrame(nsIFrame* aFrame) {mOutOfFlowFrame = aFrame;} // nsIHTMLReflow overrides NS_IMETHOD Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus); // nsIFrame overrides #ifdef DEBUG NS_IMETHOD Paint(nsPresContext* aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect, nsFramePaintLayer aWhichLayer, PRUint32 aFlags = 0); NS_IMETHOD List(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent) const; #endif /** * Get the "type" of the frame * * @see nsLayoutAtoms::placeholderFrame */ virtual nsIAtom* GetType() const; #ifdef DEBUG NS_IMETHOD GetFrameName(nsAString& aResult) const; #endif virtual PRBool IsEmpty(); protected: nsIFrame* mOutOfFlowFrame; }; #endif /* nsPlaceholderFrame_h___ */