michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "InterfaceInitFuncs.h"
michael@0: 
michael@0: #include "Accessible-inl.h"
michael@0: #include "nsMai.h"
michael@0: #include "Role.h"
michael@0: #include "mozilla/Likely.h"
michael@0: 
michael@0: #include "nsString.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: extern "C" {
michael@0: 
michael@0: static gboolean
michael@0: doActionCB(AtkAction *aAction, gint aActionIndex)
michael@0: {
michael@0:   AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0:   if (!accWrap)
michael@0:     return FALSE;
michael@0:  
michael@0:   nsresult rv = accWrap->DoAction(aActionIndex);
michael@0:   return (NS_FAILED(rv)) ? FALSE : TRUE;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: getActionCountCB(AtkAction *aAction)
michael@0: {
michael@0:   AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0:   return accWrap ? accWrap->ActionCount() : 0;
michael@0: }
michael@0: 
michael@0: static const gchar*
michael@0: getActionDescriptionCB(AtkAction *aAction, gint aActionIndex)
michael@0: {
michael@0:   AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0:   if (!accWrap)
michael@0:     return nullptr;
michael@0: 
michael@0:   nsAutoString description;
michael@0:   nsresult rv = accWrap->GetActionDescription(aActionIndex, description);
michael@0:   NS_ENSURE_SUCCESS(rv, nullptr);
michael@0:   return AccessibleWrap::ReturnString(description);
michael@0: }
michael@0: 
michael@0: static const gchar*
michael@0: getActionNameCB(AtkAction *aAction, gint aActionIndex)
michael@0: {
michael@0:     AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0:     if (!accWrap)
michael@0:         return nullptr;
michael@0: 
michael@0:     nsAutoString autoStr;
michael@0:     nsresult rv = accWrap->GetActionName(aActionIndex, autoStr);
michael@0:     NS_ENSURE_SUCCESS(rv, nullptr);
michael@0:     return AccessibleWrap::ReturnString(autoStr);
michael@0: }
michael@0: 
michael@0: static const gchar*
michael@0: getKeyBindingCB(AtkAction *aAction, gint aActionIndex)
michael@0: {
michael@0:   AccessibleWrap* acc = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0:   if (!acc)
michael@0:     return nullptr;
michael@0: 
michael@0:   // Return all key bindings including access key and keyboard shortcut.
michael@0:   nsAutoString keyBindingsStr;
michael@0: 
michael@0:   // Get access key.
michael@0:   KeyBinding keyBinding = acc->AccessKey();
michael@0:   if (!keyBinding.IsEmpty()) {
michael@0:     keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);
michael@0: 
michael@0:     Accessible* parent = acc->Parent();
michael@0:     roles::Role role = parent ? parent->Role() : roles::NOTHING;
michael@0:     if (role == roles::PARENT_MENUITEM || role == roles::MENUITEM ||
michael@0:         role == roles::RADIO_MENU_ITEM || role == roles::CHECK_MENU_ITEM) {
michael@0:       // It is submenu, expose keyboard shortcuts from menu hierarchy like
michael@0:       // "s;<Alt>f:s"
michael@0:       nsAutoString keysInHierarchyStr = keyBindingsStr;
michael@0:       do {
michael@0:         KeyBinding parentKeyBinding = parent->AccessKey();
michael@0:         if (!parentKeyBinding.IsEmpty()) {
michael@0:           nsAutoString str;
michael@0:           parentKeyBinding.ToString(str, KeyBinding::eAtkFormat);
michael@0:           str.Append(':');
michael@0: 
michael@0:           keysInHierarchyStr.Insert(str, 0);
michael@0:         }
michael@0:       } while ((parent = parent->Parent()) && parent->Role() != roles::MENUBAR);
michael@0: 
michael@0:       keyBindingsStr.Append(';');
michael@0:       keyBindingsStr.Append(keysInHierarchyStr);
michael@0:     }
michael@0:   } else {
michael@0:     // No access key, add ';' to point this.
michael@0:     keyBindingsStr.Append(';');
michael@0:   }
michael@0: 
michael@0:   // Get keyboard shortcut.
michael@0:   keyBindingsStr.Append(';');
michael@0:   keyBinding = acc->KeyboardShortcut();
michael@0:   if (!keyBinding.IsEmpty()) {
michael@0:     keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);
michael@0:   }
michael@0: 
michael@0:   return AccessibleWrap::ReturnString(keyBindingsStr);
michael@0: }
michael@0: }
michael@0: 
michael@0: void
michael@0: actionInterfaceInitCB(AtkActionIface* aIface)
michael@0: {
michael@0:   NS_ASSERTION(aIface, "Invalid aIface");
michael@0:   if (MOZ_UNLIKELY(!aIface))
michael@0:     return;
michael@0: 
michael@0:   aIface->do_action = doActionCB;
michael@0:   aIface->get_n_actions = getActionCountCB;
michael@0:   aIface->get_description = getActionDescriptionCB;
michael@0:   aIface->get_keybinding = getKeyBindingCB;
michael@0:   aIface->get_name = getActionNameCB;
michael@0: }