Listener.java

/*
 * Copyright (C) 2013 Peng fei Pan <sky@xiaopan.me>
 *
 * 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 me.xiaopan.sketch.request;

/**
 * 请求监听器，可监听开始、失败、取消
 */
public interface Listener {
    /**
     * 已开始
     */
    void onStarted();

    /**
     * 已失败
     *
     * @param errorCause 失败原因
     */
    void onError(ErrorCause errorCause);

    /**
     * 已取消
     */
    void onCanceled(CancelCause cancelCause);
}