gecko-dev/accessible/atk/nsMaiInterfaceSelection.cpp

103 lines
2.6 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 "LocalAccessible-inl.h"
#include "AccessibleWrap.h"
#include "nsMai.h"
#include "mozilla/Likely.h"
#include <atk/atkobject.h>
#include <atk/atkselection.h>
using namespace mozilla::a11y;
extern "C" {
static gboolean addSelectionCB(AtkSelection* aSelection, gint i) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aSelection));
if (acc && acc->IsSelect()) {
return acc->AddItemToSelection(i);
}
return FALSE;
}
static gboolean clearSelectionCB(AtkSelection* aSelection) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aSelection));
if (acc && acc->IsSelect()) {
return acc->UnselectAll();
}
return FALSE;
}
static AtkObject* refSelectionCB(AtkSelection* aSelection, gint i) {
AtkObject* atkObj = nullptr;
Accessible* acc = GetInternalObj(ATK_OBJECT(aSelection));
Accessible* selectedItem = acc->GetSelectedItem(i);
if (selectedItem) {
atkObj = GetWrapperFor(selectedItem);
}
if (atkObj) {
g_object_ref(atkObj);
}
return atkObj;
}
static gint getSelectionCountCB(AtkSelection* aSelection) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aSelection));
if (acc && acc->IsSelect()) {
return acc->SelectedItemCount();
}
return -1;
}
static gboolean isChildSelectedCB(AtkSelection* aSelection, gint i) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aSelection));
if (acc && acc->IsSelect()) {
return acc->IsItemSelected(i);
}
return FALSE;
}
static gboolean removeSelectionCB(AtkSelection* aSelection, gint i) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aSelection));
if (acc && acc->IsSelect()) {
return acc->RemoveItemFromSelection(i);
}
return FALSE;
}
static gboolean selectAllSelectionCB(AtkSelection* aSelection) {
Accessible* acc = GetInternalObj(ATK_OBJECT(aSelection));
if (acc && acc->IsSelect()) {
return acc->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;
}