/* -*- 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 ***** */ /* factory functions for rendering object classes */ #ifndef nsHTMLParts_h___ #define nsHTMLParts_h___ #include "nscore.h" #include "nsISupports.h" class nsIAtom; class nsNodeInfoManager; class nsIContent; class nsIContentIterator; class nsIDocument; class nsIFrame; class nsIHTMLContentSink; class nsIFragmentContentSink; class nsPresContext; class nsStyleContext; class nsIURI; class nsString; class nsIPresShell; class nsIChannel; class nsTableColFrame; /** * Additional frame-state bits used by nsBlockFrame * See the meanings at http://www.mozilla.org/newlayout/doc/block-and-line.html * * NS_BLOCK_HAS_FIRST_LETTER_STYLE means that the block has first-letter style, * even if it has no actual first-letter frame among its descendants. * * NS_BLOCK_HAS_FIRST_LETTER_CHILD means that there is an inflow first-letter * frame among the block's descendants. If there is a floating first-letter * frame, or the block has first-letter style but has no first letter, this * bit is not set. */ #define NS_BLOCK_NO_AUTO_MARGINS 0x00200000 #define NS_BLOCK_MARGIN_ROOT 0x00400000 #define NS_BLOCK_FLOAT_MGR 0x00800000 #define NS_BLOCK_HAS_FIRST_LETTER_STYLE 0x20000000 #define NS_BLOCK_FRAME_HAS_OUTSIDE_BULLET 0x40000000 #define NS_BLOCK_HAS_FIRST_LETTER_CHILD 0x80000000 // These are the bits that get inherited from a block frame to its // next-in-flows and are not private to blocks #define NS_BLOCK_FLAGS_MASK 0xF0E00000 // Factory methods for creating html layout objects // Create a frame that supports "display: block" layout behavior nsIFrame* NS_NewBlockFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, PRUint32 aFlags = 0); // Special Generated Content Node. It contains text taken from an // attribute of its *grandparent* content node. nsresult NS_NewAttributeContent(nsNodeInfoManager *aNodeInfoManager, PRInt32 aNameSpaceID, nsIAtom* aAttrName, nsIContent** aResult); // Create a basic area frame but the GetFrameForPoint is overridden to always // return the option frame // By default, area frames will extend // their height to cover any children that "stick out". nsIFrame* NS_NewSelectsAreaFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, PRUint32 aFlags); // Create a block formatting context blockframe inline nsIFrame* NS_NewBlockFormattingContext(nsIPresShell* aPresShell, nsStyleContext* aStyleContext) { return NS_NewBlockFrame(aPresShell, aStyleContext, NS_BLOCK_FLOAT_MGR | NS_BLOCK_MARGIN_ROOT); } nsIFrame* NS_NewBRFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); nsIFrame* NS_NewCommentFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); // and