/**
 *
 * Copyright 2017 Paul Schaub
 *
 * 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 org.jivesoftware.smackx.jingle_filetransfer.listener;

import org.jivesoftware.smackx.jingle.element.JingleReasonElement;

/**
 * ProgressListener that listens for progress changes of a file transfer.
 */
public interface ProgressListener {

    /**
     * Bytestream transmission has stared. This usually happens after the negotiation is finished.
     */
    void started();

    /**
     * Transfer has been terminated. This might happen at all times.
     * @param reason reason (eg. cancel).
     */
    void terminated(JingleReasonElement.Reason reason);
}
