com.gwtplatform.mvp.client.proxy.AsyncCallStartEvent Maven / Gradle / Ivy
/**
* Copyright 2011 ArcBees Inc.
*
* 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 com.gwtplatform.mvp.client.proxy;
import com.google.gwt.event.shared.GwtEvent;
import com.google.gwt.event.shared.HasHandlers;
import com.google.web.bindery.event.shared.EventBus;
/**
* Event fired right before any asynchronous call to the server is performed by GWTP MVP.
* Such asynchronous calls only occur when using code splitting. You can hook on this event
* to display a "Loading..." message if desired.
*
* @author Philippe Beaudoin
* @see AsyncCallStartHandler
* @see AsyncCallSucceedEvent
* @see AsyncCallFailEvent
*/
public class AsyncCallStartEvent extends GwtEvent {
private static final Type TYPE = new Type();
/**
* Fires a {@link AsyncCallStartEvent}
* into a source that has access to an {@link com.google.web.bindery.event.shared.EventBus}.
*
* @param source The source that fires this event ({@link EventBus}).
*/
public static void fire(EventBus source) {
source.fireEvent(new AsyncCallStartEvent());
}
/**
* Fires a {@link AsyncCallStartEvent}
* into a source that has access to an {@link com.google.web.bindery.event.shared.EventBus}.
*
* @param source The source that fires this event ({@link HasHandlers}).
* @deprecated Use {@link #fire(EventBus)} instead.
*/
@Deprecated
public static void fire(final HasHandlers source) {
source.fireEvent(new AsyncCallStartEvent());
}
public static Type getType() {
return TYPE;
}
AsyncCallStartEvent() {
}
@Override
public Type getAssociatedType() {
return getType();
}
@Override
protected void dispatch(AsyncCallStartHandler handler) {
handler.onAsyncCallStart(this);
}
}