/src/mozilla-central/accessible/atk/nsMaiInterfaceSelection.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 |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #include "InterfaceInitFuncs.h" |
8 | | |
9 | | #include "Accessible-inl.h" |
10 | | #include "AccessibleWrap.h" |
11 | | #include "nsMai.h" |
12 | | #include "ProxyAccessible.h" |
13 | | #include "mozilla/Likely.h" |
14 | | |
15 | | #include <atk/atk.h> |
16 | | |
17 | | using namespace mozilla::a11y; |
18 | | |
19 | | extern "C" { |
20 | | |
21 | | static gboolean |
22 | | addSelectionCB(AtkSelection *aSelection, gint i) |
23 | 0 | { |
24 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); |
25 | 0 | if (accWrap && accWrap->IsSelect()) { |
26 | 0 | return accWrap->AddItemToSelection(i); |
27 | 0 | } |
28 | 0 | |
29 | 0 | if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { |
30 | 0 | return proxy->AddItemToSelection(i); |
31 | 0 | } |
32 | 0 | |
33 | 0 | return FALSE; |
34 | 0 | } |
35 | | |
36 | | static gboolean |
37 | | clearSelectionCB(AtkSelection *aSelection) |
38 | 0 | { |
39 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); |
40 | 0 | if (accWrap && accWrap->IsSelect()) { |
41 | 0 | return accWrap->UnselectAll(); |
42 | 0 | } |
43 | 0 | |
44 | 0 | if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { |
45 | 0 | return proxy->UnselectAll(); |
46 | 0 | } |
47 | 0 | |
48 | 0 | return FALSE; |
49 | 0 | } |
50 | | |
51 | | static AtkObject* |
52 | | refSelectionCB(AtkSelection *aSelection, gint i) |
53 | 0 | { |
54 | 0 | AtkObject* atkObj = nullptr; |
55 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); |
56 | 0 | if (accWrap && accWrap->IsSelect()) { |
57 | 0 | Accessible* selectedItem = accWrap->GetSelectedItem(i); |
58 | 0 | if (!selectedItem) { |
59 | 0 | return nullptr; |
60 | 0 | } |
61 | 0 | |
62 | 0 | atkObj = AccessibleWrap::GetAtkObject(selectedItem); |
63 | 0 | } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { |
64 | 0 | ProxyAccessible* selectedItem = proxy->GetSelectedItem(i); |
65 | 0 | if (selectedItem) { |
66 | 0 | atkObj = GetWrapperFor(selectedItem); |
67 | 0 | } |
68 | 0 | } |
69 | 0 |
|
70 | 0 | if (atkObj) { |
71 | 0 | g_object_ref(atkObj); |
72 | 0 | } |
73 | 0 |
|
74 | 0 | return atkObj; |
75 | 0 | } |
76 | | |
77 | | static gint |
78 | | getSelectionCountCB(AtkSelection *aSelection) |
79 | 0 | { |
80 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); |
81 | 0 | if (accWrap && accWrap->IsSelect()) { |
82 | 0 | return accWrap->SelectedItemCount(); |
83 | 0 | } |
84 | 0 | |
85 | 0 | if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { |
86 | 0 | return proxy->SelectedItemCount(); |
87 | 0 | } |
88 | 0 | |
89 | 0 | return -1; |
90 | 0 | } |
91 | | |
92 | | static gboolean |
93 | | isChildSelectedCB(AtkSelection *aSelection, gint i) |
94 | 0 | { |
95 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); |
96 | 0 | if (accWrap && accWrap->IsSelect()) { |
97 | 0 | return accWrap->IsItemSelected(i); |
98 | 0 | } |
99 | 0 | |
100 | 0 | if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { |
101 | 0 | return proxy->IsItemSelected(i); |
102 | 0 | } |
103 | 0 | |
104 | 0 | return FALSE; |
105 | 0 | } |
106 | | |
107 | | static gboolean |
108 | | removeSelectionCB(AtkSelection *aSelection, gint i) |
109 | 0 | { |
110 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); |
111 | 0 | if (accWrap && accWrap->IsSelect()) { |
112 | 0 | return accWrap->RemoveItemFromSelection(i); |
113 | 0 | } |
114 | 0 | |
115 | 0 | if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { |
116 | 0 | return proxy->RemoveItemFromSelection(i); |
117 | 0 | } |
118 | 0 | |
119 | 0 | return FALSE; |
120 | 0 | } |
121 | | |
122 | | static gboolean |
123 | | selectAllSelectionCB(AtkSelection *aSelection) |
124 | 0 | { |
125 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); |
126 | 0 | if (accWrap && accWrap->IsSelect()) { |
127 | 0 | return accWrap->SelectAll(); |
128 | 0 | } |
129 | 0 | |
130 | 0 | if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { |
131 | 0 | return proxy->SelectAll(); |
132 | 0 | } |
133 | 0 | |
134 | 0 | return FALSE; |
135 | 0 | } |
136 | | } |
137 | | |
138 | | void |
139 | | selectionInterfaceInitCB(AtkSelectionIface* aIface) |
140 | 0 | { |
141 | 0 | NS_ASSERTION(aIface, "Invalid aIface"); |
142 | 0 | if (MOZ_UNLIKELY(!aIface)) |
143 | 0 | return; |
144 | 0 | |
145 | 0 | aIface->add_selection = addSelectionCB; |
146 | 0 | aIface->clear_selection = clearSelectionCB; |
147 | 0 | aIface->ref_selection = refSelectionCB; |
148 | 0 | aIface->get_selection_count = getSelectionCountCB; |
149 | 0 | aIface->is_child_selected = isChildSelectedCB; |
150 | 0 | aIface->remove_selection = removeSelectionCB; |
151 | 0 | aIface->select_all_selection = selectAllSelectionCB; |
152 | 0 | } |