gecko-dev/accessible/atk/nsMaiInterfaceAction.cpp

106 строки
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "InterfaceInitFuncs.h"
#include "Accessible-inl.h"
#include "nsMai.h"
#include "Role.h"
#include "mozilla/Likely.h"
#include "ProxyAccessible.h"
#include "nsString.h"
using namespace mozilla::a11y;
extern "C" {
static gboolean
doActionCB(AtkAction *aAction, gint aActionIndex)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
if (accWrap) {
return accWrap->DoAction(aActionIndex);
}
ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction));
return proxy && proxy->DoAction(aActionIndex);
}
static gint
getActionCountCB(AtkAction *aAction)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
if (accWrap) {
return accWrap->ActionCount();
}
ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction));
return proxy ? proxy->ActionCount() : 0;
}
static const gchar*
getActionDescriptionCB(AtkAction *aAction, gint aActionIndex)
{
nsAutoString description;
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
if (accWrap) {
accWrap->ActionDescriptionAt(aActionIndex, description);
} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction))) {
proxy->ActionDescriptionAt(aActionIndex, description);
} else {
return nullptr;
}
return AccessibleWrap::ReturnString(description);
}
static const gchar*
getActionNameCB(AtkAction *aAction, gint aActionIndex)
{
nsAutoString autoStr;
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
if (accWrap) {
accWrap->ActionNameAt(aActionIndex, autoStr);
} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction))) {
proxy->ActionNameAt(aActionIndex, autoStr);
} else {
return nullptr;
}
return AccessibleWrap::ReturnString(autoStr);
}
static const gchar*
getKeyBindingCB(AtkAction *aAction, gint aActionIndex)
{
nsAutoString keyBindingsStr;
AccessibleWrap* acc = GetAccessibleWrap(ATK_OBJECT(aAction));
if (acc) {
AccessibleWrap::GetKeyBinding(acc, keyBindingsStr);
} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aAction))) {
proxy->AtkKeyBinding(keyBindingsStr);
} else {
return nullptr;
}
return AccessibleWrap::ReturnString(keyBindingsStr);
}
}
void
actionInterfaceInitCB(AtkActionIface* aIface)
{
NS_ASSERTION(aIface, "Invalid aIface");
if (MOZ_UNLIKELY(!aIface))
return;
aIface->do_action = doActionCB;
aIface->get_n_actions = getActionCountCB;
aIface->get_description = getActionDescriptionCB;
aIface->get_keybinding = getKeyBindingCB;
aIface->get_name = getActionNameCB;
}