com.gwos.client.core.events.SystemEventManager.java Source code

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Here is the source code for com.gwos.client.core.events.SystemEventManager.java

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/*
 * Copyright 2013 - Elian ORIOU
 *
 *    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.gwos.client.core.events;

import com.google.gwt.event.shared.EventHandler;
import com.google.gwt.event.shared.GwtEvent;
import com.google.gwt.event.shared.GwtEvent.Type;
import com.google.gwt.event.shared.HandlerManager;

public class SystemEventManager {

    private static SystemEventManager _INSTANCE;

    private HandlerManager handlerManager;

    private SystemEventManager() {
        handlerManager = new HandlerManager(this);
    }

    public static SystemEventManager getInstance() {
        if (_INSTANCE == null) {
            _INSTANCE = new SystemEventManager();
        }
        return _INSTANCE;
    }

    public void fireSystemEvent(GwtEvent<?> event) {
        handlerManager.fireEvent(event);
    }

    public void addEventHandler(Type<EventHandler> eventType, EventHandler handler) {
        handlerManager.addHandler(eventType, handler);
    }
}