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lightning-sunbird  0.9+nobinonly
nsFrameManagerBase.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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00004  * ***** BEGIN LICENSE BLOCK *****
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00017  * The Original Code is mozilla.org code.
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00019  * The Initial Developer of the Original Code is
00020  * Netscape Communications Corporation.
00021  * Portions created by the Initial Developer are Copyright (C) 1998
00022  * the Initial Developer. All Rights Reserved.
00023  *
00024  * Contributor(s):
00025  *   Pierre Phaneuf <pp@ludusdesign.com>
00026  *   Brian Ryner <bryner@brianryner.com>
00027  *
00028  * Alternatively, the contents of this file may be used under the terms of
00029  * either of the GNU General Public License Version 2 or later (the "GPL"),
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00040  * ***** END LICENSE BLOCK *****
00041  *
00042  * This Original Code has been modified by IBM Corporation. Modifications made
00043  * by IBM described herein are Copyright (c) International Business Machines
00044  * Corporation, 2000. Modifications to Mozilla code or documentation identified
00045  * per MPL Section 3.3
00046  *
00047  * Date             Modified by     Description of modification
00048  * 04/20/2000       IBM Corp.      OS/2 VisualAge build.
00049  */
00050 
00051 #ifndef _nsFrameManagerBase_h_
00052 #define _nsFrameManagerBase_h_
00053 
00054 #include "pldhash.h"
00055 
00056 class nsIPresShell;
00057 class nsStyleSet;
00058 class nsIContent;
00059 class nsPlaceholderFrame;
00060 class nsIFrame;
00061 class nsStyleContext;
00062 class nsIAtom;
00063 class nsStyleChangeList;
00064 class nsILayoutHistoryState;
00065 
00066 class nsFrameManagerBase
00067 {
00068 protected:
00069   class UndisplayedMap;
00070 
00071   // weak link, because the pres shell owns us
00072   nsIPresShell*                   mPresShell;
00073   // the pres shell owns the style set
00074   nsStyleSet*                     mStyleSet;
00075   nsIFrame*                       mRootFrame;
00076   PLDHashTable                    mPrimaryFrameMap;
00077   PLDHashTable                    mPlaceholderMap;
00078   UndisplayedMap*                 mUndisplayedMap;
00079   PRBool                          mIsDestroyingFrames;
00080 };
00081 
00082 #endif