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 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #ifndef nsMathMLTokenFrame_h___
40 : #define nsMathMLTokenFrame_h___
41 :
42 : #include "nsCOMPtr.h"
43 : #include "nsMathMLContainerFrame.h"
44 :
45 : //
46 : // Base class to handle token elements
47 : //
48 :
49 : class nsMathMLTokenFrame : public nsMathMLContainerFrame {
50 : public:
51 : NS_DECL_FRAMEARENA_HELPERS
52 :
53 : friend nsIFrame* NS_NewMathMLTokenFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
54 :
55 : NS_IMETHOD
56 0 : TransmitAutomaticData() {
57 : // The REC defines the following elements to be space-like:
58 : // * an mtext, mspace, maligngroup, or malignmark element;
59 0 : if (mContent->Tag() == nsGkAtoms::mtext_) {
60 0 : mPresentationData.flags |= NS_MATHML_SPACE_LIKE;
61 : }
62 0 : return NS_OK;
63 : }
64 :
65 : NS_IMETHOD
66 : InheritAutomaticData(nsIFrame* aParent);
67 :
68 : virtual eMathMLFrameType GetMathMLFrameType();
69 :
70 : NS_IMETHOD
71 : Init(nsIContent* aContent,
72 : nsIFrame* aParent,
73 : nsIFrame* aPrevInFlow);
74 :
75 : NS_IMETHOD
76 : SetInitialChildList(ChildListID aListID,
77 : nsFrameList& aChildList);
78 :
79 : NS_IMETHOD
80 : Reflow(nsPresContext* aPresContext,
81 : nsHTMLReflowMetrics& aDesiredSize,
82 : const nsHTMLReflowState& aReflowState,
83 : nsReflowStatus& aStatus);
84 :
85 : virtual nsresult
86 : Place(nsRenderingContext& aRenderingContext,
87 : bool aPlaceOrigin,
88 : nsHTMLReflowMetrics& aDesiredSize);
89 :
90 : virtual void MarkIntrinsicWidthsDirty();
91 :
92 : NS_IMETHOD
93 : AttributeChanged(PRInt32 aNameSpaceID,
94 : nsIAtom* aAttribute,
95 : PRInt32 aModType);
96 :
97 : virtual nsresult
98 0 : ChildListChanged(PRInt32 aModType)
99 : {
100 0 : ProcessTextData();
101 0 : return nsMathMLContainerFrame::ChildListChanged(aModType);
102 : }
103 :
104 : protected:
105 0 : nsMathMLTokenFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
106 : virtual ~nsMathMLTokenFrame();
107 :
108 0 : virtual PRIntn GetSkipSides() const { return 0; }
109 :
110 : // hook to perform MathML-specific actions depending on the tag
111 : virtual void ProcessTextData();
112 :
113 : // helper to set the style of <mi> which has to be italic or normal
114 : // depending on its textual content
115 : bool SetTextStyle();
116 :
117 : // helper to set the quotes of <ms>
118 : void SetQuotes(bool aNotify);
119 : };
120 :
121 : #endif /* nsMathMLTokentFrame_h___ */
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