/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.waveprotocol.box.webclient.stat.gwtevent;
import com.google.gwt.core.client.JavaScriptObject;
/**
* Helps with creating and dispatching the events for the debug panel.
*/
public interface StatisticsEventDispatcher {
/**
* Returns {@code true} if there is somebody listening to events on the other
* side.
*/
public boolean enabled();
/**
* Creates a new event object to be dispatched.
* @see StatisticsEvent
*/
public StatisticsEvent newEvent(String system, String group, double millis, String type);
/**
* Sets the given extra parameter's value as a JavaScriptObject.
*
* @param event the event to set the parameter on. This has to be an instance
* returned by @{link {@link #newEvent(String, String, double, String)}.
*/
public void setExtraParameter(StatisticsEvent event, String name, JavaScriptObject value);
/**
* Sets the given extra parameter's value as a String.
*
* @param event the event to set the parameter on. This has to be an instance
* returned by @{link {@link #newEvent(String, String, double, String)}.
*/
public void setExtraParameter(StatisticsEvent event, String name, String value);
/**
* Dispatches the given event.
*
* @param event the event to dispatch. This has to be an instance
* returned by @{link {@link #newEvent(String, String, double, String)}.
*/
public void dispatch(StatisticsEvent event);
}