1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla MathML Project.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * The University Of Queensland.
19 : * Portions created by the Initial Developer are Copyright (C) 1999
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Roger B. Sidje <rbs@maths.uq.edu.au>
24 : * David J. Fiddes <D.J.Fiddes@hw.ac.uk>
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either of the GNU General Public License Version 2 or later (the "GPL"),
28 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
30 : * of those above. If you wish to allow use of your version of this file only
31 : * under the terms of either the GPL or the LGPL, and not to allow others to
32 : * use your version of this file under the terms of the MPL, indicate your
33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #ifndef nsMathMLmphantomFrame_h___
41 : #define nsMathMLmphantomFrame_h___
42 :
43 : #include "nsCOMPtr.h"
44 : #include "nsMathMLContainerFrame.h"
45 :
46 : //
47 : // <mphantom> -- make content invisible but preserve its size
48 : //
49 :
50 : class nsMathMLmphantomFrame : public nsMathMLContainerFrame {
51 : public:
52 : NS_DECL_FRAMEARENA_HELPERS
53 :
54 : friend nsIFrame* NS_NewMathMLmphantomFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
55 :
56 : NS_IMETHOD
57 : InheritAutomaticData(nsIFrame* aParent);
58 :
59 : NS_IMETHOD
60 0 : TransmitAutomaticData() {
61 0 : return TransmitAutomaticDataForMrowLikeElement();
62 : }
63 :
64 0 : NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
65 : const nsRect& aDirtyRect,
66 0 : const nsDisplayListSet& aLists) { return NS_OK; }
67 :
68 : protected:
69 0 : nsMathMLmphantomFrame(nsStyleContext* aContext)
70 0 : : nsMathMLContainerFrame(aContext) {}
71 : virtual ~nsMathMLmphantomFrame();
72 :
73 0 : virtual PRIntn GetSkipSides() const { return 0; }
74 : };
75 :
76 : #endif /* nsMathMLmphantomFrame_h___ */
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