1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/* -*- 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 MathML Project.
*
* The Initial Developer of the Original Code is
* The University Of Queensland.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Roger B. Sidje <rbs@maths.uq.edu.au>
* David J. Fiddes <D.J.Fiddes@hw.ac.uk>
* Karl Tomlinson <karlt+@karlt.net>, Mozilla Corporation
*
* 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 nsMathMLmpaddedFrame_h___
#define nsMathMLmpaddedFrame_h___
#include "nsCOMPtr.h"
#include "nsMathMLContainerFrame.h"
//
// <mpadded> -- adjust space around content
//
class nsMathMLmpaddedFrame : public nsMathMLContainerFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewMathMLmpaddedFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
NS_IMETHOD
InheritAutomaticData(nsIFrame* aParent);
NS_IMETHOD
TransmitAutomaticData() {
return TransmitAutomaticDataForMrowLikeElement();
}
NS_IMETHOD
Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
virtual nsresult
Place(nsRenderingContext& aRenderingContext,
PRBool aPlaceOrigin,
nsHTMLReflowMetrics& aDesiredSize);
protected:
nsMathMLmpaddedFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
virtual ~nsMathMLmpaddedFrame();
virtual PRIntn GetSkipSides() const { return 0; }
private:
nsCSSValue mWidth;
nsCSSValue mHeight;
nsCSSValue mDepth;
nsCSSValue mLeftSpace;
nsCSSValue mVerticalOffset;
PRInt32 mWidthSign;
PRInt32 mHeightSign;
PRInt32 mDepthSign;
PRInt32 mLeftSpaceSign;
PRInt32 mVerticalOffsetSign;
PRInt32 mWidthPseudoUnit;
PRInt32 mHeightPseudoUnit;
PRInt32 mDepthPseudoUnit;
PRInt32 mLeftSpacePseudoUnit;
PRInt32 mVerticalOffsetPseudoUnit;
// helpers to process the attributes
void
ProcessAttributes();
static PRBool
ParseAttribute(nsString& aString,
PRInt32& aSign,
nsCSSValue& aCSSValue,
PRInt32& aPseudoUnit);
void
UpdateValue(PRInt32 aSign,
PRInt32 aPseudoUnit,
const nsCSSValue& aCSSValue,
const nsBoundingMetrics& aBoundingMetrics,
nscoord& aValueToUpdate) const;
};
#endif /* nsMathMLmpaddedFrame_h___ */
|
