/**
* Copyright 2015-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.mobileconnectors.s3.transferutility;
/**
* Listener interface for transfer state and progress changes. All callbacks
* will be invoked on the main thread.
*/
public interface TransferListener {
/**
* Called when the state of the transfer is changed.
*
* @param id The id of the transfer record.
* @param state The new state of the transfer.
*/
public void onStateChanged(int id, TransferState state);
/**
* Called when more bytes are transferred.
*
* @param id The id of the transfer record.
* @param bytesCurrent Bytes transferred currently.
* @param bytesTotal The total bytes to be transferred.
*/
public void onProgressChanged(int id, long bytesCurrent, long bytesTotal);
/**
* Called when an exception happens.
*
* @param id The id of the transfer record.
* @param ex An exception object.
*/
public void onError(int id, Exception ex);
}