litesoft
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.eventbus.client; import java.util.*; import org.litesoft.GWT.client.*; import org.litesoft.GWT.eventbus.client.eventpackages.*; import org.litesoft.GWT.eventbus.client.nonpublic.*; public class DecendantManager { private WindowNameClientIdCodec mWindowNameClientIdCodec; public DecendantManager( WindowNameClientIdCodec pWindowNameClientIdCodec ) { mWindowNameClientIdCodec = pWindowNameClientIdCodec; } public void addEventListenersForNewClient( EventSubscriptionCollector pCollector ) { pCollector.subscribe( new NotificationReDecendantPackageListener() ); pCollector.subscribe( new CloseDecendantClientsPackageListener() ); } private Set<Integer> mDecendants = new HashSet<Integer>(); public boolean anyDecendants() { return !mDecendants.isEmpty(); } public int decendants() { return mDecendants.size(); } private void addDecendant( int pClientId ) { //noinspection UnnecessaryBoxing,unchecked mDecendants.add( pClientId ); } private void removeDecendant( int pClientId ) { mDecendants.remove( pClientId ); } public void closeAllDecendants() { //noinspection ForLoopReplaceableByForEach for ( Iterator<Integer> it = mDecendants.iterator(); it.hasNext(); ) { //noinspection UnnecessaryUnboxing closeDecendant( it.next() ); } } public void closeDecendant( int pDecendantClientId ) { String encodedClientId = ClientIdCodec.encode( pDecendantClientId ); String name = mWindowNameClientIdCodec.createWindowName( encodedClientId ); UtilsGwt.closeWindow( name ); } public void decendantToFront( int pDecendantClientId ) { String encodedClientId = ClientIdCodec.encode( pDecendantClientId ); String name = mWindowNameClientIdCodec.createWindowName( encodedClientId ); UtilsGwt.windowToFront( name ); } private class NotificationReDecendantPackageListener implements EventPackageSubscriber { public String subscribeWith() { return NotificationReDecendantEventPackage.SubscribeWith; } public void packageReceivedVia( EventPackage pEventPackage, EventBus pEventBus ) { NotificationReDecendantEventPackage event = (NotificationReDecendantEventPackage) pEventPackage; if ( event.isAdd() ) { addDecendant( event.getClientId() ); } else { removeDecendant( event.getClientId() ); } } } private class CloseDecendantClientsPackageListener implements EventPackageSubscriber { public String subscribeWith() { return CloseDecendantClientsEventPackage.SubscribeWith; } public void packageReceivedVia( EventPackage pEventPackage, EventBus pEventBus ) { closeAllDecendants(); } } } |