The Tor Browser / file comparison
comparison: accessible/src/atk/nsMaiInterfaceAction.cpp
accessible/src/atk/nsMaiInterfaceAction.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:48d2e75fd3af |
|---|---|
| 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 | |
| 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 { | |
| 23 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction)); | |
| 24 if (!accWrap) | |
| 25 return FALSE; | |
| 26 | |
| 27 nsresult rv = accWrap->DoAction(aActionIndex); | |
| 28 return (NS_FAILED(rv)) ? FALSE : TRUE; | |
| 29 } | |
| 30 | |
| 31 static gint | |
| 32 getActionCountCB(AtkAction *aAction) | |
| 33 { | |
| 34 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction)); | |
| 35 return accWrap ? accWrap->ActionCount() : 0; | |
| 36 } | |
| 37 | |
| 38 static const gchar* | |
| 39 getActionDescriptionCB(AtkAction *aAction, gint aActionIndex) | |
| 40 { | |
| 41 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction)); | |
| 42 if (!accWrap) | |
| 43 return nullptr; | |
| 44 | |
| 45 nsAutoString description; | |
| 46 nsresult rv = accWrap->GetActionDescription(aActionIndex, description); | |
| 47 NS_ENSURE_SUCCESS(rv, nullptr); | |
| 48 return AccessibleWrap::ReturnString(description); | |
| 49 } | |
| 50 | |
| 51 static const gchar* | |
| 52 getActionNameCB(AtkAction *aAction, gint aActionIndex) | |
| 53 { | |
| 54 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction)); | |
| 55 if (!accWrap) | |
| 56 return nullptr; | |
| 57 | |
| 58 nsAutoString autoStr; | |
| 59 nsresult rv = accWrap->GetActionName(aActionIndex, autoStr); | |
| 60 NS_ENSURE_SUCCESS(rv, nullptr); | |
| 61 return AccessibleWrap::ReturnString(autoStr); | |
| 62 } | |
| 63 | |
| 64 static const gchar* | |
| 65 getKeyBindingCB(AtkAction *aAction, gint aActionIndex) | |
| 66 { | |
| 67 AccessibleWrap* acc = GetAccessibleWrap(ATK_OBJECT(aAction)); | |
| 68 if (!acc) | |
| 69 return nullptr; | |
| 70 | |
| 71 // Return all key bindings including access key and keyboard shortcut. | |
| 72 nsAutoString keyBindingsStr; | |
| 73 | |
| 74 // Get access key. | |
| 75 KeyBinding keyBinding = acc->AccessKey(); | |
| 76 if (!keyBinding.IsEmpty()) { | |
| 77 keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat); | |
| 78 | |
| 79 Accessible* parent = acc->Parent(); | |
| 80 roles::Role role = parent ? parent->Role() : roles::NOTHING; | |
| 81 if (role == roles::PARENT_MENUITEM || role == roles::MENUITEM || | |
| 82 role == roles::RADIO_MENU_ITEM || role == roles::CHECK_MENU_ITEM) { | |
| 83 // It is submenu, expose keyboard shortcuts from menu hierarchy like | |
| 84 // "s;<Alt>f:s" | |
| 85 nsAutoString keysInHierarchyStr = keyBindingsStr; | |
| 86 do { | |
| 87 KeyBinding parentKeyBinding = parent->AccessKey(); | |
| 88 if (!parentKeyBinding.IsEmpty()) { | |
| 89 nsAutoString str; | |
| 90 parentKeyBinding.ToString(str, KeyBinding::eAtkFormat); | |
| 91 str.Append(':'); | |
| 92 | |
| 93 keysInHierarchyStr.Insert(str, 0); | |
| 94 } | |
| 95 } while ((parent = parent->Parent()) && parent->Role() != roles::MENUBAR); | |
| 96 | |
| 97 keyBindingsStr.Append(';'); | |
| 98 keyBindingsStr.Append(keysInHierarchyStr); | |
| 99 } | |
| 100 } else { | |
| 101 // No access key, add ';' to point this. | |
| 102 keyBindingsStr.Append(';'); | |
| 103 } | |
| 104 | |
| 105 // Get keyboard shortcut. | |
| 106 keyBindingsStr.Append(';'); | |
| 107 keyBinding = acc->KeyboardShortcut(); | |
| 108 if (!keyBinding.IsEmpty()) { | |
| 109 keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat); | |
| 110 } | |
| 111 | |
| 112 return AccessibleWrap::ReturnString(keyBindingsStr); | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 void | |
| 117 actionInterfaceInitCB(AtkActionIface* aIface) | |
| 118 { | |
| 119 NS_ASSERTION(aIface, "Invalid aIface"); | |
| 120 if (MOZ_UNLIKELY(!aIface)) | |
| 121 return; | |
| 122 | |
| 123 aIface->do_action = doActionCB; | |
| 124 aIface->get_n_actions = getActionCountCB; | |
| 125 aIface->get_description = getActionDescriptionCB; | |
| 126 aIface->get_keybinding = getKeyBindingCB; | |
| 127 aIface->get_name = getActionNameCB; | |
| 128 } |
