gecko/accessible/atk/nsMaiInterfaceSelection.cpp

153 lines
3.7 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 "AccessibleWrap.h"
#include "nsMai.h"
#include "ProxyAccessible.h"
#include "mozilla/Likely.h"
#include <atk/atk.h>
using namespace mozilla::a11y;
extern "C" {
static gboolean
addSelectionCB(AtkSelection *aSelection, gint i)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
if (accWrap && accWrap->IsSelect()) {
return accWrap->AddItemToSelection(i);
}
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
return proxy->AddItemToSelection(i);
}
return FALSE;
}
static gboolean
clearSelectionCB(AtkSelection *aSelection)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
if (accWrap && accWrap->IsSelect()) {
return accWrap->UnselectAll();
}
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
return proxy->UnselectAll();
}
return FALSE;
}
static AtkObject*
refSelectionCB(AtkSelection *aSelection, gint i)
{
AtkObject* atkObj = nullptr;
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
if (accWrap && accWrap->IsSelect()) {
Accessible* selectedItem = accWrap->GetSelectedItem(i);
if (!selectedItem) {
return nullptr;
}
atkObj = AccessibleWrap::GetAtkObject(selectedItem);
} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
ProxyAccessible* selectedItem = proxy->GetSelectedItem(i);
if (selectedItem) {
atkObj = GetWrapperFor(selectedItem);
}
}
if (atkObj) {
g_object_ref(atkObj);
}
return atkObj;
}
static gint
getSelectionCountCB(AtkSelection *aSelection)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
if (accWrap && accWrap->IsSelect()) {
return accWrap->SelectedItemCount();
}
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
return proxy->SelectedItemCount();
}
return -1;
}
static gboolean
isChildSelectedCB(AtkSelection *aSelection, gint i)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
if (accWrap && accWrap->IsSelect()) {
return accWrap->IsItemSelected(i);
}
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
return proxy->IsItemSelected(i);
}
return FALSE;
}
static gboolean
removeSelectionCB(AtkSelection *aSelection, gint i)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
if (accWrap && accWrap->IsSelect()) {
return accWrap->RemoveItemFromSelection(i);
}
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
return proxy->RemoveItemFromSelection(i);
}
return FALSE;
}
static gboolean
selectAllSelectionCB(AtkSelection *aSelection)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
if (accWrap && accWrap->IsSelect()) {
return accWrap->SelectAll();
}
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
return proxy->SelectAll();
}
return FALSE;
}
}
void
selectionInterfaceInitCB(AtkSelectionIface* aIface)
{
NS_ASSERTION(aIface, "Invalid aIface");
if (MOZ_UNLIKELY(!aIface))
return;
aIface->add_selection = addSelectionCB;
aIface->clear_selection = clearSelectionCB;
aIface->ref_selection = refSelectionCB;
aIface->get_selection_count = getSelectionCountCB;
aIface->is_child_selected = isChildSelectedCB;
aIface->remove_selection = removeSelectionCB;
aIface->select_all_selection = selectAllSelectionCB;
}