/src/mozilla-central/accessible/xpcom/xpcAccessibleValue.cpp
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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 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
5 | | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #include "xpcAccessibleGeneric.h" |
8 | | #include "Accessible.h" |
9 | | |
10 | | using namespace mozilla; |
11 | | using namespace mozilla::a11y; |
12 | | |
13 | | NS_IMETHODIMP |
14 | | xpcAccessibleValue::GetMaximumValue(double* aValue) |
15 | 0 | { |
16 | 0 | NS_ENSURE_ARG_POINTER(aValue); |
17 | 0 | *aValue = 0; |
18 | 0 |
|
19 | 0 | if (Intl().IsNull()) |
20 | 0 | return NS_ERROR_FAILURE; |
21 | 0 | |
22 | 0 | if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct()) |
23 | 0 | return NS_ERROR_FAILURE; |
24 | 0 | |
25 | 0 | double value; |
26 | 0 | if (Intl().IsAccessible()) { |
27 | 0 | value = Intl().AsAccessible()->MaxValue(); |
28 | 0 | } else { |
29 | 0 | value = Intl().AsProxy()->MaxValue(); |
30 | 0 | } |
31 | 0 |
|
32 | 0 | if (!IsNaN(value)) |
33 | 0 | *aValue = value; |
34 | 0 |
|
35 | 0 | return NS_OK; |
36 | 0 | } |
37 | | |
38 | | NS_IMETHODIMP |
39 | | xpcAccessibleValue::GetMinimumValue(double* aValue) |
40 | 0 | { |
41 | 0 | NS_ENSURE_ARG_POINTER(aValue); |
42 | 0 | *aValue = 0; |
43 | 0 |
|
44 | 0 | if (Intl().IsNull()) |
45 | 0 | return NS_ERROR_FAILURE; |
46 | 0 | |
47 | 0 | if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct()) |
48 | 0 | return NS_ERROR_FAILURE; |
49 | 0 | |
50 | 0 | double value; |
51 | 0 | if (Intl().IsAccessible()) { |
52 | 0 | value = Intl().AsAccessible()->MinValue(); |
53 | 0 | } else { |
54 | 0 | value = Intl().AsProxy()->MinValue(); |
55 | 0 | } |
56 | 0 |
|
57 | 0 | if (!IsNaN(value)) |
58 | 0 | *aValue = value; |
59 | 0 |
|
60 | 0 | return NS_OK; |
61 | 0 | } |
62 | | |
63 | | NS_IMETHODIMP |
64 | | xpcAccessibleValue::GetCurrentValue(double* aValue) |
65 | 0 | { |
66 | 0 | NS_ENSURE_ARG_POINTER(aValue); |
67 | 0 | *aValue = 0; |
68 | 0 |
|
69 | 0 | if (Intl().IsNull()) |
70 | 0 | return NS_ERROR_FAILURE; |
71 | 0 | |
72 | 0 | if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct()) |
73 | 0 | return NS_ERROR_FAILURE; |
74 | 0 | |
75 | 0 | double value; |
76 | 0 | if (Intl().IsAccessible()) { |
77 | 0 | value = Intl().AsAccessible()->CurValue(); |
78 | 0 | } else { |
79 | 0 | value = Intl().AsProxy()->CurValue(); |
80 | 0 | } |
81 | 0 |
|
82 | 0 | if (!IsNaN(value)) |
83 | 0 | *aValue = value; |
84 | 0 |
|
85 | 0 | return NS_OK; |
86 | 0 | } |
87 | | |
88 | | NS_IMETHODIMP |
89 | | xpcAccessibleValue::SetCurrentValue(double aValue) |
90 | 0 | { |
91 | 0 | if (Intl().IsNull()) |
92 | 0 | return NS_ERROR_FAILURE; |
93 | 0 | |
94 | 0 | if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct()) |
95 | 0 | return NS_ERROR_FAILURE; |
96 | 0 | |
97 | 0 | if (Intl().IsAccessible()) { |
98 | 0 | Intl().AsAccessible()->SetCurValue(aValue); |
99 | 0 | } else { |
100 | 0 | Intl().AsProxy()->SetCurValue(aValue); |
101 | 0 | } |
102 | 0 |
|
103 | 0 | return NS_OK; |
104 | 0 | } |
105 | | |
106 | | NS_IMETHODIMP |
107 | | xpcAccessibleValue::GetMinimumIncrement(double* aValue) |
108 | 0 | { |
109 | 0 | NS_ENSURE_ARG_POINTER(aValue); |
110 | 0 | *aValue = 0; |
111 | 0 |
|
112 | 0 | if (Intl().IsNull()) |
113 | 0 | return NS_ERROR_FAILURE; |
114 | 0 | |
115 | 0 | if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct()) |
116 | 0 | return NS_ERROR_FAILURE; |
117 | 0 | |
118 | 0 | double value; |
119 | 0 | if (Intl().IsAccessible()) { |
120 | 0 | value = Intl().AsAccessible()->Step(); |
121 | 0 | } else { |
122 | 0 | value = Intl().AsProxy()->Step(); |
123 | 0 | } |
124 | 0 |
|
125 | 0 | if (!IsNaN(value)) |
126 | 0 | *aValue = value; |
127 | 0 |
|
128 | 0 | return NS_OK; |
129 | 0 | } |