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 code.
16 : *
17 : * The Initial Developer of the Original Code is Mozilla Foundation
18 : * Portions created by the Initial Developer are Copyright (C) 2010
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : * Mounir Lamouri <mounir.lamouri@mozilla.com> (original author)
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either of the GNU General Public License Version 2 or later (the "GPL"),
26 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
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31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #ifndef _nsRadioVisitor_h__
39 : #define _nsRadioVisitor_h__
40 :
41 : #include "nsIRadioVisitor.h"
42 :
43 : class nsIFormControl;
44 : class nsIDocument;
45 :
46 :
47 : /**
48 : * nsRadioVisitor is the base class implementing nsIRadioVisitor and inherited
49 : * by all radio visitors.
50 : */
51 : class nsRadioVisitor : public nsIRadioVisitor
52 : {
53 : public:
54 0 : nsRadioVisitor() { }
55 0 : virtual ~nsRadioVisitor() { }
56 :
57 : NS_DECL_ISUPPORTS
58 :
59 : virtual bool Visit(nsIFormControl* aRadio) = 0;
60 : };
61 :
62 : /**
63 : * The following declarations are radio visitors inheriting from nsRadioVisitor.
64 : */
65 :
66 : /**
67 : * nsRadioSetCheckedChangedVisitor is calling SetCheckedChanged with the given
68 : * parameter to all radio elements in the group.
69 : */
70 : class nsRadioSetCheckedChangedVisitor : public nsRadioVisitor
71 0 : {
72 : public:
73 0 : nsRadioSetCheckedChangedVisitor(bool aCheckedChanged)
74 0 : : mCheckedChanged(aCheckedChanged)
75 0 : { }
76 :
77 : virtual bool Visit(nsIFormControl* aRadio);
78 :
79 : protected:
80 : bool mCheckedChanged;
81 : };
82 :
83 : /**
84 : * nsRadioGetCheckedChangedVisitor is getting the current checked changed value.
85 : * Getting it from one radio element is the group is enough given that all
86 : * elements should have the same value.
87 : */
88 : class nsRadioGetCheckedChangedVisitor : public nsRadioVisitor
89 0 : {
90 : public:
91 0 : nsRadioGetCheckedChangedVisitor(bool* aCheckedChanged,
92 : nsIFormControl* aExcludeElement)
93 : : mCheckedChanged(aCheckedChanged)
94 0 : , mExcludeElement(aExcludeElement)
95 0 : { }
96 :
97 : virtual bool Visit(nsIFormControl* aRadio);
98 :
99 : protected:
100 : bool* mCheckedChanged;
101 : nsIFormControl* mExcludeElement;
102 : };
103 :
104 : /**
105 : * nsRadioSetValueMissingState is calling SetValueMissingState with the given
106 : * parameter to all radio elements in the group.
107 : * It is also calling ContentStatesChanged if needed.
108 : */
109 : class nsRadioSetValueMissingState : public nsRadioVisitor
110 0 : {
111 : public:
112 0 : nsRadioSetValueMissingState(nsIFormControl* aExcludeElement,
113 : bool aValidity, bool aNotify)
114 : : mExcludeElement(aExcludeElement)
115 : , mValidity(aValidity)
116 0 : , mNotify(aNotify)
117 0 : { }
118 :
119 : virtual bool Visit(nsIFormControl* aRadio);
120 :
121 : protected:
122 : nsIFormControl* mExcludeElement;
123 : bool mValidity;
124 : bool mNotify;
125 : };
126 :
127 : #endif // _nsRadioVisitor_h__
128 :
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