/src/mozilla-central/accessible/atk/nsMaiInterfaceAction.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 "nsMai.h" |
11 | | #include "Role.h" |
12 | | #include "mozilla/Likely.h" |
13 | | #include "ProxyAccessible.h" |
14 | | #include "nsString.h" |
15 | | |
16 | | using namespace mozilla::a11y; |
17 | | |
18 | | extern "C" { |
19 | | |
20 | | static gboolean |
21 | | doActionCB(AtkAction *aAction, gint aActionIndex) |
22 | 0 | { |
23 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction)); |
24 | 0 | if (accWrap) { |
25 | 0 | return accWrap->DoAction(aActionIndex); |
26 | 0 | } |
27 | 0 | |
28 | 0 | ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction)); |
29 | 0 | return proxy && proxy->DoAction(aActionIndex); |
30 | 0 | } |
31 | | |
32 | | static gint |
33 | | getActionCountCB(AtkAction *aAction) |
34 | 0 | { |
35 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction)); |
36 | 0 | if (accWrap) { |
37 | 0 | return accWrap->ActionCount(); |
38 | 0 | } |
39 | 0 | |
40 | 0 | ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction)); |
41 | 0 | return proxy ? proxy->ActionCount() : 0; |
42 | 0 | } |
43 | | |
44 | | static const gchar* |
45 | | getActionDescriptionCB(AtkAction *aAction, gint aActionIndex) |
46 | 0 | { |
47 | 0 | nsAutoString description; |
48 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction)); |
49 | 0 | if (accWrap) { |
50 | 0 | accWrap->ActionDescriptionAt(aActionIndex, description); |
51 | 0 | } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction))) { |
52 | 0 | proxy->ActionDescriptionAt(aActionIndex, description); |
53 | 0 | } else { |
54 | 0 | return nullptr; |
55 | 0 | } |
56 | 0 | |
57 | 0 | return AccessibleWrap::ReturnString(description); |
58 | 0 | } |
59 | | |
60 | | static const gchar* |
61 | | getActionNameCB(AtkAction *aAction, gint aActionIndex) |
62 | 0 | { |
63 | 0 | nsAutoString autoStr; |
64 | 0 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction)); |
65 | 0 | if (accWrap) { |
66 | 0 | accWrap->ActionNameAt(aActionIndex, autoStr); |
67 | 0 | } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction))) { |
68 | 0 | proxy->ActionNameAt(aActionIndex, autoStr); |
69 | 0 | } else { |
70 | 0 | return nullptr; |
71 | 0 | } |
72 | 0 | |
73 | 0 | return AccessibleWrap::ReturnString(autoStr); |
74 | 0 | } |
75 | | |
76 | | static const gchar* |
77 | | getKeyBindingCB(AtkAction *aAction, gint aActionIndex) |
78 | 0 | { |
79 | 0 | nsAutoString keyBindingsStr; |
80 | 0 | AccessibleWrap* acc = GetAccessibleWrap(ATK_OBJECT(aAction)); |
81 | 0 | if (acc) { |
82 | 0 | AccessibleWrap::GetKeyBinding(acc, keyBindingsStr); |
83 | 0 | } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction))) { |
84 | 0 | proxy->AtkKeyBinding(keyBindingsStr); |
85 | 0 | } else { |
86 | 0 | return nullptr; |
87 | 0 | } |
88 | 0 | |
89 | 0 | return AccessibleWrap::ReturnString(keyBindingsStr); |
90 | 0 | } |
91 | | } |
92 | | |
93 | | void |
94 | | actionInterfaceInitCB(AtkActionIface* aIface) |
95 | 0 | { |
96 | 0 | NS_ASSERTION(aIface, "Invalid aIface"); |
97 | 0 | if (MOZ_UNLIKELY(!aIface)) |
98 | 0 | return; |
99 | 0 | |
100 | 0 | aIface->do_action = doActionCB; |
101 | 0 | aIface->get_n_actions = getActionCountCB; |
102 | 0 | aIface->get_description = getActionDescriptionCB; |
103 | 0 | aIface->get_keybinding = getKeyBindingCB; |
104 | 0 | aIface->get_name = getActionNameCB; |
105 | 0 | } |