EventBus.java

/*
 * Copyright (c) 2011 PonySDK
 *  Owners:
 *  Luciano Broussal  <luciano.broussal AT gmail.com>
 *	Mathieu Barbier   <mathieu.barbier AT gmail.com>
 *	Nicolas Ciaravola <nicolas.ciaravola.pro AT gmail.com>
 *
 *  WebSite:
 *  http://code.google.com/p/pony-sdk/
 *
 * 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.ponysdk.core.ui.eventbus;

import java.util.Collection;

public interface EventBus {

    HandlerRegistration addHandler(Event.Type type, EventHandler handler);

    void removeHandler(Event.Type type, EventHandler handler);

    HandlerRegistration addHandlerToSource(Event.Type type, Object source, EventHandler handler);

    void removeHandlerFromSource(Event.Type type, Object source, EventHandler handler);

    void addHandler(BroadcastEventHandler handler);

    void removeHandler(BroadcastEventHandler handler);

    void fireEvent(Event<? extends EventHandler> event);

    void fireEventFromSource(Event<? extends EventHandler> event, Object source);

    Collection<EventHandler> getHandlers(Event.Type type, Object source);

}