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
doActionCB(AtkAction * aAction,gint aActionIndex)21 doActionCB(AtkAction *aAction, gint aActionIndex)
22 {
23 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
24 if (accWrap) {
25 return accWrap->DoAction(aActionIndex);
26 }
27
28 ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction));
29 return proxy && proxy->DoAction(aActionIndex);
30 }
31
32 static gint
getActionCountCB(AtkAction * aAction)33 getActionCountCB(AtkAction *aAction)
34 {
35 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
36 if (accWrap) {
37 return accWrap->ActionCount();
38 }
39
40 ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction));
41 return proxy ? proxy->ActionCount() : 0;
42 }
43
44 static const gchar*
getActionDescriptionCB(AtkAction * aAction,gint aActionIndex)45 getActionDescriptionCB(AtkAction *aAction, gint aActionIndex)
46 {
47 nsAutoString description;
48 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
49 if (accWrap) {
50 accWrap->ActionDescriptionAt(aActionIndex, description);
51 } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction))) {
52 proxy->ActionDescriptionAt(aActionIndex, description);
53 } else {
54 return nullptr;
55 }
56
57 return AccessibleWrap::ReturnString(description);
58 }
59
60 static const gchar*
getActionNameCB(AtkAction * aAction,gint aActionIndex)61 getActionNameCB(AtkAction *aAction, gint aActionIndex)
62 {
63 nsAutoString autoStr;
64 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
65 if (accWrap) {
66 accWrap->ActionNameAt(aActionIndex, autoStr);
67 } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction))) {
68 proxy->ActionNameAt(aActionIndex, autoStr);
69 } else {
70 return nullptr;
71 }
72
73 return AccessibleWrap::ReturnString(autoStr);
74 }
75
76 static const gchar*
getKeyBindingCB(AtkAction * aAction,gint aActionIndex)77 getKeyBindingCB(AtkAction *aAction, gint aActionIndex)
78 {
79 nsAutoString keyBindingsStr;
80 AccessibleWrap* acc = GetAccessibleWrap(ATK_OBJECT(aAction));
81 if (acc) {
82 AccessibleWrap::GetKeyBinding(acc, keyBindingsStr);
83 } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction))) {
84 proxy->AtkKeyBinding(keyBindingsStr);
85 } else {
86 return nullptr;
87 }
88
89 return AccessibleWrap::ReturnString(keyBindingsStr);
90 }
91 }
92
93 void
actionInterfaceInitCB(AtkActionIface * aIface)94 actionInterfaceInitCB(AtkActionIface* aIface)
95 {
96 NS_ASSERTION(aIface, "Invalid aIface");
97 if (MOZ_UNLIKELY(!aIface))
98 return;
99
100 aIface->do_action = doActionCB;
101 aIface->get_n_actions = getActionCountCB;
102 aIface->get_description = getActionDescriptionCB;
103 aIface->get_keybinding = getKeyBindingCB;
104 aIface->get_name = getActionNameCB;
105 }
106