| /******************************************************************************* |
| * Copyright (c) 2009, 2010 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.accessibility; |
| |
| import org.eclipse.swt.internal.cocoa.*; |
| |
| class Relation { |
| Accessible accessible; |
| Accessible[] targets; |
| int type; |
| |
| Relation(Accessible accessible, int type) { |
| this.accessible = accessible; |
| this.type = type; |
| this.targets = new Accessible[0]; |
| } |
| |
| void addTarget(Accessible target) { |
| if (containsTarget(target)) return; |
| Accessible[] newTargets = new Accessible[targets.length + 1]; |
| System.arraycopy(targets, 0, newTargets, 0, targets.length); |
| newTargets[targets.length] = target; |
| targets = newTargets; |
| } |
| |
| boolean containsTarget(Accessible target) { |
| for (int i = 0; i < targets.length; i++) { |
| if (targets[i] == target) return true; |
| } |
| return false; |
| } |
| |
| void removeTarget(Accessible target) { |
| if (!containsTarget(target)) return; |
| Accessible[] newTargets = new Accessible[targets.length - 1]; |
| int j = 0; |
| for (int i = 0; i < targets.length; i++) { |
| if (targets[i] != target) { |
| newTargets[j++] = targets[i]; |
| } |
| } |
| targets = newTargets; |
| } |
| |
| id getTitleUIElement() { |
| id result = null; |
| for (int i = 0; i < targets.length; i++) { |
| Accessible target = targets[i]; |
| result = target.accessibleHandle(target); |
| } |
| return result; |
| } |
| |
| id getServesAsTitleForUIElements() { |
| NSMutableArray result = NSMutableArray.arrayWithCapacity(targets.length); |
| for (int i = 0; i < targets.length; i++) { |
| Accessible target = targets[i]; |
| id accessibleElement = target.accessibleHandle(target); |
| result.addObject(accessibleElement); |
| } |
| return result; |
| } |
| |
| id getLinkedUIElements() { |
| NSMutableArray result = NSMutableArray.arrayWithCapacity(targets.length); |
| for (int i = 0; i < targets.length; i++) { |
| Accessible target = targets[i]; |
| id accessibleElement = target.accessibleHandle(target); |
| result.addObject(accessibleElement); |
| } |
| return result; |
| } |
| } |