/*
* Copyright 2010 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;
import com.allen_sauer.gwt.voices.client.handler.SoundHandler;
import com.allen_sauer.gwt.voices.client.handler.SoundHandlerCollection;
import com.allen_sauer.gwt.voices.client.handler.SoundLoadStateChangeEvent;
abstract class AbstractSound implements Sound {
private static final LoadState INITIAL_LOAD_STATE = LoadState.LOAD_STATE_UNINITIALIZED;
protected final SoundHandlerCollection soundHandlerCollection = new SoundHandlerCollection();
private final boolean crossOrigin;
private LoadState loadState = INITIAL_LOAD_STATE;
private final String mimeType;
private final boolean streaming;
private final String url;
public AbstractSound(String mimeType, String url, boolean streaming, boolean crossOrigin) {
this.mimeType = mimeType;
this.url = url;
this.streaming = streaming;
this.crossOrigin = crossOrigin;
}
@Override
public final void addEventHandler(SoundHandler handler) {
soundHandlerCollection.add(handler);
if (loadState != INITIAL_LOAD_STATE) {
handler.onSoundLoadStateChange(new SoundLoadStateChangeEvent(this));
}
}
@Override
public final LoadState getLoadState() {
return loadState;
}
@Override
public final String getMimeType() {
return mimeType;
}
@Override
public abstract String getSoundType();
@Override
public final String getUrl() {
return url;
}
public boolean isCrossOrigin() {
return crossOrigin;
}
public final boolean isStreaming() {
return streaming;
}
@Override
public final void removeEventHandler(SoundHandler handler) {
soundHandlerCollection.remove(handler);
}
public final void setLoadState(LoadState loadState) {
if (loadState != this.loadState) {
this.loadState = loadState;
if (loadState != INITIAL_LOAD_STATE) {
soundHandlerCollection.fireOnSoundLoadStateChange(this);
}
}
}
@Override
public final String toString() {
return getSoundType() + "(\"" + mimeType + "\", \"" + url + "\", "
+ (isStreaming() ? "streaming" : "not streaming") + ", "
+ (isCrossOrigin() ? "cross origin" : "same origin") + ")";
}
}