/*
* Copyright 2009 Fred Sauer
*
* 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.allen_sauer.gwt.voices.client.handler;
import com.allen_sauer.gwt.voices.client.Sound;
import com.allen_sauer.gwt.voices.client.Sound.LoadState;
import com.allen_sauer.gwt.voices.client.util.StringUtil;
import java.util.EventObject;
/**
* Event object representing a load state change.
*/
@SuppressWarnings("serial")
public class SoundLoadStateChangeEvent extends EventObject {
/**
* Convert a load state <code>enum</code> to a string representation.
*
* @param loadState the load state
* @return a string representation of the load state
*/
private static String loadStateToString(LoadState loadState) {
switch (loadState) {
case LOAD_STATE_SUPPORTED_AND_READY:
return "supported and ready";
case LOAD_STATE_SUPPORTED_NOT_READY:
return "supported; not ready";
case LOAD_STATE_SUPPORTED_MAYBE_READY:
return "supported; maybe ready";
case LOAD_STATE_NOT_SUPPORTED:
return "not supported";
case LOAD_STATE_SUPPORT_NOT_KNOWN:
return "support not known";
case LOAD_STATE_UNINITIALIZED:
return "uninitialized";
default:
throw new IllegalArgumentException("loadState=" + loadState);
}
}
private final LoadState loadState;
/**
* Event constructor.
*
* @param source the sound object
*/
public SoundLoadStateChangeEvent(Object source) {
super(source);
Sound sound = (Sound) source;
loadState = sound.getLoadState();
}
/**
* Determine the load state for this event.
*
* @return this event's load state
*/
public LoadState getLoadState() {
return loadState;
}
/**
* Get a string representation of this event's load state.
*
* @return string representation of this event's load state
*/
public String getLoadStateAsString() {
return loadStateToString(loadState);
}
/**
* Get a string representation of this event object.
*
* @return a string representation of this event object
*/
@Override
public String toString() {
Sound sound = (Sound) getSource();
return StringUtil.getSimpleName(SoundLoadStateChangeEvent.class) + ": " + sound + "; state="
+ loadStateToString(loadState);
}
}