summaryrefslogtreecommitdiffstats
path: root/accessible/xpcom/xpcAccessibleValue.cpp
blob: f3628ff037d88eb191edc303b8e5ad6455402e87 (plain)
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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "xpcAccessibleGeneric.h"
#include "Accessible.h"

using namespace mozilla;
using namespace mozilla::a11y;

NS_IMETHODIMP
xpcAccessibleValue::GetMaximumValue(double* aValue)
{
  NS_ENSURE_ARG_POINTER(aValue);
  *aValue = 0;

  if (Intl().IsNull())
    return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
    return NS_ERROR_FAILURE;

  double value;
  if (Intl().IsAccessible()) {
    value = Intl().AsAccessible()->MaxValue();
  } else {
    value = Intl().AsProxy()->MaxValue();
  }

  if (!IsNaN(value))
    *aValue = value;

  return NS_OK;
}

NS_IMETHODIMP
xpcAccessibleValue::GetMinimumValue(double* aValue)
{
  NS_ENSURE_ARG_POINTER(aValue);
  *aValue = 0;

  if (Intl().IsNull())
    return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
    return NS_ERROR_FAILURE;

  double value;
  if (Intl().IsAccessible()) {
    value = Intl().AsAccessible()->MinValue();
  } else {
    value = Intl().AsProxy()->MinValue();
  }

  if (!IsNaN(value))
    *aValue = value;

  return NS_OK;
}

NS_IMETHODIMP
xpcAccessibleValue::GetCurrentValue(double* aValue)
{
  NS_ENSURE_ARG_POINTER(aValue);
  *aValue = 0;

  if (Intl().IsNull())
    return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
    return NS_ERROR_FAILURE;

  double value;
  if (Intl().IsAccessible()) {
    value = Intl().AsAccessible()->CurValue();
  } else {
    value = Intl().AsProxy()->CurValue();
  }

  if (!IsNaN(value))
    *aValue = value;

  return NS_OK;
}

NS_IMETHODIMP
xpcAccessibleValue::SetCurrentValue(double aValue)
{
  if (Intl().IsNull())
    return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
    return NS_ERROR_FAILURE;

  if (Intl().IsAccessible()) {
    Intl().AsAccessible()->SetCurValue(aValue);
  } else {
    Intl().AsProxy()->SetCurValue(aValue);
  }

  return NS_OK;
}

NS_IMETHODIMP
xpcAccessibleValue::GetMinimumIncrement(double* aValue)
{
  NS_ENSURE_ARG_POINTER(aValue);
  *aValue = 0;

  if (Intl().IsNull())
    return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
    return NS_ERROR_FAILURE;

  double value;
  if (Intl().IsAccessible()) {
    value = Intl().AsAccessible()->Step();
  } else {
#if defined(XP_WIN)
    return NS_ERROR_NOT_IMPLEMENTED;
#else
    value = Intl().AsProxy()->Step();
#endif
  }

  if (!IsNaN(value))
    *aValue = value;

  return NS_OK;
}