The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/accessible/src/atk/nsMaiInterfaceAction.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,128 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ts=2 et sw=2 tw=80: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "InterfaceInitFuncs.h"
    1.11 +
    1.12 +#include "Accessible-inl.h"
    1.13 +#include "nsMai.h"
    1.14 +#include "Role.h"
    1.15 +#include "mozilla/Likely.h"
    1.16 +
    1.17 +#include "nsString.h"
    1.18 +
    1.19 +using namespace mozilla::a11y;
    1.20 +
    1.21 +extern "C" {
    1.22 +
    1.23 +static gboolean
    1.24 +doActionCB(AtkAction *aAction, gint aActionIndex)
    1.25 +{
    1.26 +  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
    1.27 +  if (!accWrap)
    1.28 +    return FALSE;
    1.29 + 
    1.30 +  nsresult rv = accWrap->DoAction(aActionIndex);
    1.31 +  return (NS_FAILED(rv)) ? FALSE : TRUE;
    1.32 +}
    1.33 +
    1.34 +static gint
    1.35 +getActionCountCB(AtkAction *aAction)
    1.36 +{
    1.37 +  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
    1.38 +  return accWrap ? accWrap->ActionCount() : 0;
    1.39 +}
    1.40 +
    1.41 +static const gchar*
    1.42 +getActionDescriptionCB(AtkAction *aAction, gint aActionIndex)
    1.43 +{
    1.44 +  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
    1.45 +  if (!accWrap)
    1.46 +    return nullptr;
    1.47 +
    1.48 +  nsAutoString description;
    1.49 +  nsresult rv = accWrap->GetActionDescription(aActionIndex, description);
    1.50 +  NS_ENSURE_SUCCESS(rv, nullptr);
    1.51 +  return AccessibleWrap::ReturnString(description);
    1.52 +}
    1.53 +
    1.54 +static const gchar*
    1.55 +getActionNameCB(AtkAction *aAction, gint aActionIndex)
    1.56 +{
    1.57 +    AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
    1.58 +    if (!accWrap)
    1.59 +        return nullptr;
    1.60 +
    1.61 +    nsAutoString autoStr;
    1.62 +    nsresult rv = accWrap->GetActionName(aActionIndex, autoStr);
    1.63 +    NS_ENSURE_SUCCESS(rv, nullptr);
    1.64 +    return AccessibleWrap::ReturnString(autoStr);
    1.65 +}
    1.66 +
    1.67 +static const gchar*
    1.68 +getKeyBindingCB(AtkAction *aAction, gint aActionIndex)
    1.69 +{
    1.70 +  AccessibleWrap* acc = GetAccessibleWrap(ATK_OBJECT(aAction));
    1.71 +  if (!acc)
    1.72 +    return nullptr;
    1.73 +
    1.74 +  // Return all key bindings including access key and keyboard shortcut.
    1.75 +  nsAutoString keyBindingsStr;
    1.76 +
    1.77 +  // Get access key.
    1.78 +  KeyBinding keyBinding = acc->AccessKey();
    1.79 +  if (!keyBinding.IsEmpty()) {
    1.80 +    keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);
    1.81 +
    1.82 +    Accessible* parent = acc->Parent();
    1.83 +    roles::Role role = parent ? parent->Role() : roles::NOTHING;
    1.84 +    if (role == roles::PARENT_MENUITEM || role == roles::MENUITEM ||
    1.85 +        role == roles::RADIO_MENU_ITEM || role == roles::CHECK_MENU_ITEM) {
    1.86 +      // It is submenu, expose keyboard shortcuts from menu hierarchy like
    1.87 +      // "s;<Alt>f:s"
    1.88 +      nsAutoString keysInHierarchyStr = keyBindingsStr;
    1.89 +      do {
    1.90 +        KeyBinding parentKeyBinding = parent->AccessKey();
    1.91 +        if (!parentKeyBinding.IsEmpty()) {
    1.92 +          nsAutoString str;
    1.93 +          parentKeyBinding.ToString(str, KeyBinding::eAtkFormat);
    1.94 +          str.Append(':');
    1.95 +
    1.96 +          keysInHierarchyStr.Insert(str, 0);
    1.97 +        }
    1.98 +      } while ((parent = parent->Parent()) && parent->Role() != roles::MENUBAR);
    1.99 +
   1.100 +      keyBindingsStr.Append(';');
   1.101 +      keyBindingsStr.Append(keysInHierarchyStr);
   1.102 +    }
   1.103 +  } else {
   1.104 +    // No access key, add ';' to point this.
   1.105 +    keyBindingsStr.Append(';');
   1.106 +  }
   1.107 +
   1.108 +  // Get keyboard shortcut.
   1.109 +  keyBindingsStr.Append(';');
   1.110 +  keyBinding = acc->KeyboardShortcut();
   1.111 +  if (!keyBinding.IsEmpty()) {
   1.112 +    keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);
   1.113 +  }
   1.114 +
   1.115 +  return AccessibleWrap::ReturnString(keyBindingsStr);
   1.116 +}
   1.117 +}
   1.118 +
   1.119 +void
   1.120 +actionInterfaceInitCB(AtkActionIface* aIface)
   1.121 +{
   1.122 +  NS_ASSERTION(aIface, "Invalid aIface");
   1.123 +  if (MOZ_UNLIKELY(!aIface))
   1.124 +    return;
   1.125 +
   1.126 +  aIface->do_action = doActionCB;
   1.127 +  aIface->get_n_actions = getActionCountCB;
   1.128 +  aIface->get_description = getActionDescriptionCB;
   1.129 +  aIface->get_keybinding = getKeyBindingCB;
   1.130 +  aIface->get_name = getActionNameCB;
   1.131 +}