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/*
* Java ATK Wrapper for GNOME
* Copyright (C) 2009 Sun Microsystems Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.GNOME.Accessibility;
import javax.accessibility.*;
import java.lang.ref.WeakReference;
public class AtkSelection {
WeakReference<AccessibleContext> _ac;
WeakReference<AccessibleSelection> _acc_selection;
public AtkSelection (AccessibleContext ac) {
super();
this._ac = new WeakReference<AccessibleContext>(ac);
this._acc_selection = new WeakReference<AccessibleSelection>(ac.getAccessibleSelection());
}
public static AtkSelection createAtkSelection(AccessibleContext ac){
return AtkUtil.invokeInSwing ( () -> { return new AtkSelection(ac); }, null);
}
public boolean add_selection (int i) {
AccessibleSelection acc_selection = _acc_selection.get();
if (acc_selection == null)
return false;
return AtkUtil.invokeInSwing( () -> {
acc_selection.addAccessibleSelection(i);
return is_child_selected(i);
}, false);
}
public boolean clear_selection () {
AccessibleSelection acc_selection = _acc_selection.get();
if (acc_selection == null)
return false;
AtkUtil.invokeInSwing( () -> { acc_selection.clearAccessibleSelection(); });
return true;
}
public AccessibleContext ref_selection (int i) {
AccessibleSelection acc_selection = _acc_selection.get();
if (acc_selection == null)
return null;
return AtkUtil.invokeInSwing ( () -> {
Accessible sel = acc_selection.getAccessibleSelection(i);
if (sel == null)
return null;
return sel.getAccessibleContext();
}, null);
}
public int get_selection_count () {
AccessibleContext ac = _ac.get();
if (ac == null)
return 0;
AccessibleSelection acc_selection = _acc_selection.get();
if (acc_selection == null)
return 0;
return AtkUtil.invokeInSwing ( () -> {
int count = 0;
for(int i = 0; i < ac.getAccessibleChildrenCount(); i++) {
if (acc_selection.isAccessibleChildSelected(i))
count++;
}
return count;
}, 0);
//A bug in AccessibleJMenu??
//return acc_selection.getAccessibleSelectionCount();
}
public boolean is_child_selected (int i) {
AccessibleSelection acc_selection = _acc_selection.get();
if (acc_selection == null)
return false;
return AtkUtil.invokeInSwing ( () -> { return acc_selection.isAccessibleChildSelected(i); }, false);
}
public boolean remove_selection (int i) {
AccessibleSelection acc_selection = _acc_selection.get();
if (acc_selection == null)
return false;
return AtkUtil.invokeInSwing( () -> {
acc_selection.removeAccessibleSelection(i);
return !is_child_selected(i);
}, false);
}
public boolean select_all_selection () {
AccessibleContext ac = _ac.get();
if (ac == null)
return false;
AccessibleSelection acc_selection = _acc_selection.get();
if (acc_selection == null)
return false;
AccessibleStateSet stateSet = ac.getAccessibleStateSet();
return AtkUtil.invokeInSwing ( () -> {
if (stateSet.contains(AccessibleState.MULTISELECTABLE)) {
acc_selection.selectAllAccessibleSelection();
return true;
}
return false;
}, false);
}
}
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