1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* vim: set ts=2 et sw=2 tw=80: */
3 : /* ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is mozilla.org code.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Sun Microsystems, Inc.
20 : * Portions created by the Initial Developer are Copyright (C) 2002
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Silvia Zhao (silvia.zhao@sun.com)
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either the GNU General Public License Version 2 or later (the "GPL"), or
28 : * 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 : #include "nsMaiInterfaceValue.h"
41 :
42 : void
43 0 : valueInterfaceInitCB(AtkValueIface *aIface)
44 : {
45 0 : NS_ASSERTION(aIface, "Invalid aIface");
46 0 : if (!aIface)
47 0 : return;
48 :
49 0 : aIface->get_current_value = getCurrentValueCB;
50 0 : aIface->get_maximum_value = getMaximumValueCB;
51 0 : aIface->get_minimum_value = getMinimumValueCB;
52 0 : aIface->get_minimum_increment = getMinimumIncrementCB;
53 0 : aIface->set_current_value = setCurrentValueCB;
54 : }
55 :
56 : void
57 0 : getCurrentValueCB(AtkValue *obj, GValue *value)
58 : {
59 0 : nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(obj));
60 0 : if (!accWrap)
61 0 : return;
62 :
63 0 : nsCOMPtr<nsIAccessibleValue> accValue;
64 : accWrap->QueryInterface(NS_GET_IID(nsIAccessibleValue),
65 0 : getter_AddRefs(accValue));
66 0 : if (!accValue)
67 : return;
68 :
69 0 : memset (value, 0, sizeof (GValue));
70 : double accDouble;
71 0 : if (NS_FAILED(accValue->GetCurrentValue(&accDouble)))
72 : return;
73 0 : g_value_init (value, G_TYPE_DOUBLE);
74 0 : g_value_set_double (value, accDouble);
75 : }
76 :
77 : void
78 0 : getMaximumValueCB(AtkValue *obj, GValue *value)
79 : {
80 0 : nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(obj));
81 0 : if (!accWrap)
82 0 : return;
83 :
84 0 : nsCOMPtr<nsIAccessibleValue> accValue;
85 : accWrap->QueryInterface(NS_GET_IID(nsIAccessibleValue),
86 0 : getter_AddRefs(accValue));
87 0 : if (!accValue)
88 : return;
89 :
90 0 : memset (value, 0, sizeof (GValue));
91 : double accDouble;
92 0 : if (NS_FAILED(accValue->GetMaximumValue(&accDouble)))
93 : return;
94 0 : g_value_init (value, G_TYPE_DOUBLE);
95 0 : g_value_set_double (value, accDouble);
96 : }
97 :
98 : void
99 0 : getMinimumValueCB(AtkValue *obj, GValue *value)
100 : {
101 0 : nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(obj));
102 0 : if (!accWrap)
103 0 : return;
104 :
105 0 : nsCOMPtr<nsIAccessibleValue> accValue;
106 : accWrap->QueryInterface(NS_GET_IID(nsIAccessibleValue),
107 0 : getter_AddRefs(accValue));
108 0 : if (!accValue)
109 : return;
110 :
111 0 : memset (value, 0, sizeof (GValue));
112 : double accDouble;
113 0 : if (NS_FAILED(accValue->GetMinimumValue(&accDouble)))
114 : return;
115 0 : g_value_init (value, G_TYPE_DOUBLE);
116 0 : g_value_set_double (value, accDouble);
117 : }
118 :
119 : void
120 0 : getMinimumIncrementCB(AtkValue *obj, GValue *minimumIncrement)
121 : {
122 0 : nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(obj));
123 0 : if (!accWrap)
124 0 : return;
125 :
126 0 : nsCOMPtr<nsIAccessibleValue> accValue;
127 : accWrap->QueryInterface(NS_GET_IID(nsIAccessibleValue),
128 0 : getter_AddRefs(accValue));
129 0 : if (!accValue)
130 : return;
131 :
132 0 : memset (minimumIncrement, 0, sizeof (GValue));
133 : double accDouble;
134 0 : if (NS_FAILED(accValue->GetMinimumIncrement(&accDouble)))
135 : return;
136 0 : g_value_init (minimumIncrement, G_TYPE_DOUBLE);
137 0 : g_value_set_double (minimumIncrement, accDouble);
138 : }
139 :
140 : gboolean
141 0 : setCurrentValueCB(AtkValue *obj, const GValue *value)
142 : {
143 0 : nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(obj));
144 0 : if (!accWrap)
145 0 : return FALSE;
146 :
147 0 : nsCOMPtr<nsIAccessibleValue> accValue;
148 : accWrap->QueryInterface(NS_GET_IID(nsIAccessibleValue),
149 0 : getter_AddRefs(accValue));
150 0 : NS_ENSURE_TRUE(accValue, FALSE);
151 :
152 0 : double accDouble =g_value_get_double (value);
153 0 : return !NS_FAILED(accValue->SetCurrentValue(accDouble));
154 : }
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