mirror of
https://github.com/mozilla/gecko-dev.git
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153 lines
3.7 KiB
C++
153 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "InterfaceInitFuncs.h"
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#include "Accessible-inl.h"
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#include "AccessibleWrap.h"
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#include "nsMai.h"
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#include "ProxyAccessible.h"
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#include "mozilla/Likely.h"
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#include <atk/atk.h>
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using namespace mozilla::a11y;
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extern "C" {
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static gboolean
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addSelectionCB(AtkSelection *aSelection, gint i)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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if (accWrap && accWrap->IsSelect()) {
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return accWrap->AddItemToSelection(i);
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
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return proxy->AddItemToSelection(i);
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}
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return FALSE;
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}
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static gboolean
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clearSelectionCB(AtkSelection *aSelection)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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if (accWrap && accWrap->IsSelect()) {
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return accWrap->UnselectAll();
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
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return proxy->UnselectAll();
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}
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return FALSE;
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}
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static AtkObject*
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refSelectionCB(AtkSelection *aSelection, gint i)
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{
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AtkObject* atkObj = nullptr;
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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if (accWrap && accWrap->IsSelect()) {
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Accessible* selectedItem = accWrap->GetSelectedItem(i);
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if (!selectedItem) {
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return nullptr;
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}
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atkObj = AccessibleWrap::GetAtkObject(selectedItem);
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} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
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ProxyAccessible* selectedItem = proxy->GetSelectedItem(i);
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if (selectedItem) {
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atkObj = GetWrapperFor(selectedItem);
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}
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}
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if (atkObj) {
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g_object_ref(atkObj);
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}
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return atkObj;
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}
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static gint
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getSelectionCountCB(AtkSelection *aSelection)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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if (accWrap && accWrap->IsSelect()) {
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return accWrap->SelectedItemCount();
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
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return proxy->SelectedItemCount();
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}
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return -1;
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}
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static gboolean
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isChildSelectedCB(AtkSelection *aSelection, gint i)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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if (accWrap && accWrap->IsSelect()) {
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return accWrap->IsItemSelected(i);
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
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return proxy->IsItemSelected(i);
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}
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return FALSE;
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}
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static gboolean
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removeSelectionCB(AtkSelection *aSelection, gint i)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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if (accWrap && accWrap->IsSelect()) {
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return accWrap->RemoveItemFromSelection(i);
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
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return proxy->RemoveItemFromSelection(i);
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}
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return FALSE;
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}
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static gboolean
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selectAllSelectionCB(AtkSelection *aSelection)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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if (accWrap && accWrap->IsSelect()) {
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return accWrap->SelectAll();
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) {
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return proxy->SelectAll();
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}
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return FALSE;
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}
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}
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void
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selectionInterfaceInitCB(AtkSelectionIface* aIface)
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{
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NS_ASSERTION(aIface, "Invalid aIface");
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if (MOZ_UNLIKELY(!aIface))
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return;
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aIface->add_selection = addSelectionCB;
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aIface->clear_selection = clearSelectionCB;
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aIface->ref_selection = refSelectionCB;
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aIface->get_selection_count = getSelectionCountCB;
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aIface->is_child_selected = isChildSelectedCB;
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aIface->remove_selection = removeSelectionCB;
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aIface->select_all_selection = selectAllSelectionCB;
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}
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