/*
* Zed Attack Proxy (ZAP) and its related class files.
*
* ZAP is an HTTP/HTTPS proxy for assessing web application security.
*
* Copyright 2015 The ZAP Development Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.zaproxy.zap.view.messagelocation;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.util.ArrayList;
import java.util.List;
/**
* A {@code FocusListener} adapter to multiple {@code MessageLocationProducerFocusListener}s.
* <p>
* Used to listen to changes in the focus of {@code MessageLocationProducer}s and propagate the event with the custom format.
*
* @since 2.4.0
* @see FocusListener
* @see MessageLocationProducer
* @see MessageLocationProducerFocusListener
*/
public class MessageLocationProducerFocusListenerAdapter implements FocusListener {
private final List<MessageLocationProducerFocusListener> focusListeners;
private final MessageLocationProducer source;
public MessageLocationProducerFocusListenerAdapter(MessageLocationProducer source) {
this.source = source;
focusListeners = new ArrayList<>(5);
}
public boolean hasFocusListeners() {
return !focusListeners.isEmpty();
}
public void addFocusListener(MessageLocationProducerFocusListener focusListener) {
focusListeners.add(focusListener);
}
public void removeFocusListener(MessageLocationProducerFocusListener focusListener) {
focusListeners.remove(focusListener);
}
@Override
public void focusGained(FocusEvent e) {
if (focusListeners.isEmpty()) {
return;
}
MessageLocationProducerFocusEvent event = new MessageLocationProducerFocusEvent(source, e);
for (MessageLocationProducerFocusListener focusListener : focusListeners) {
focusListener.focusGained(event);
}
}
@Override
public void focusLost(FocusEvent e) {
if (focusListeners.isEmpty()) {
return;
}
MessageLocationProducerFocusEvent event = new MessageLocationProducerFocusEvent(source, e);
for (MessageLocationProducerFocusListener focusListener : focusListeners) {
focusListener.focusLost(event);
}
}
}