001/*
002 * #%L
003 * GwtMaterial
004 * %%
005 * Copyright (C) 2015 - 2017 GwtMaterialDesign
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 * 
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 * 
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package gwt.material.design.addins.client.fileuploader.events;
021
022import com.google.gwt.event.shared.EventHandler;
023import com.google.gwt.event.shared.GwtEvent;
024import gwt.material.design.addins.client.fileuploader.base.HasFileUpload;
025import gwt.material.design.addins.client.fileuploader.base.UploadResponse;
026
027public class CompleteEvent<T> extends GwtEvent<CompleteEvent.CompleteHandler<T>> {
028
029    private static Type<CompleteHandler<?>> TYPE;
030
031    public interface CompleteHandler<T> extends EventHandler {
032        void onComplete(CompleteEvent<T> event);
033    }
034
035    public static <T> void fire(HasFileUpload<T> source, T target, UploadResponse response) {
036        if (TYPE != null) {
037            CompleteEvent<T> event = new CompleteEvent<T>(target, response);
038            source.fireEvent(event);
039        }
040    }
041
042    public static Type<CompleteHandler<?>> getType() {
043        return TYPE != null ? TYPE : (TYPE = new Type<>());
044    }
045
046    private final T target;
047    private final UploadResponse response;
048
049    protected CompleteEvent(T target, UploadResponse response) {
050        this.target = target;
051        this.response = response;
052    }
053
054    @Override
055    public final Type<CompleteHandler<T>> getAssociatedType() {
056        return (Type) TYPE;
057    }
058
059    public T getTarget() {
060        return target;
061    }
062
063    public UploadResponse getResponse() {
064        return response;
065    }
066
067    @Override
068    protected void dispatch(CompleteHandler<T> handler) {
069        handler.onComplete(this);
070    }
071}