/*
 * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
 *
 * 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.arialyy.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Created by lyy on 2017/6/6.
 * Aria下载事件被注解的方法中，参数仅能有一个，参数类型为 com.arialyy.aria.core.download.DownloadGroupTask
 * <pre>
 *   <code>
 *      {@literal @}DownloadGroup.onPre(groupHash)
 *       protected void onPre(DownloadGroupTask task) {
 *       }
 *   </code>
 * </pre>
 *
 * 如果希望获取子任务的状态，可以使用onSub..类的注解
 * <pre>
 *   <code>
 *      {@literal @}DownloadGroup.onSubPre(groupHash)
 *        protected void onPre(DownloadGroupTask task, String url) {
 *      }
 *   </code>
 * </pre>
 */
@Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) public @interface DownloadGroup {

  /**
   * " @Download.onPre"解，队列已经满了，继续创建新任务，将会回调该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onWait {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * " @DownloadGroup.onPre"解，在预处理完成时，Aria会调用该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onPre {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * " @DownloadGroup.onTaskPre"解，在任务预处理完成时，Aria会调用该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onTaskPre {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * " @DownloadGroup.onTaskResume"解，在任务恢复下载时，Aria会调用该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onTaskResume {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * " @DownloadGroup.onTaskStart"解，在任务开始下载时，Aria会调用该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onTaskStart {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * " @DownloadGroup.onTaskStop"解，在任务停止时，Aria会调用该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onTaskStop {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * " @DownloadGroup.onTaskCancel}l注解，在任务取消时，Aria会调用该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onTaskCancel {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * " @DownloadGroup.onTaskFail)注解，在任务预失败时，Aria会调用该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onTaskFail {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * " @DownloadGroup.onTaskComplete"解，在任务完成时，Aria会调用该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onTaskComplete {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * " @DownloadGroup.onTaskRunning"解，在任务正在下载，Aria会调用该方法
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onTaskRunning {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * 任务组子任务预处理的注解
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onSubTaskPre {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * 任务组子任务开始的注解
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onSubTaskStart {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * 任务组子任务停止的注解
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onSubTaskStop {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * 任务组子任务删除的注解
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onSubTaskCancel {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * 任务组子任务失败的注解
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onSubTaskFail {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * 任务组子任务完成的注解
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onSubTaskComplete {
    String[] value() default { AriaConstance.NO_URL };
  }

  /**
   * 任务组子任务正在执行的注解
   */
  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onSubTaskRunning {
    String[] value() default { AriaConstance.NO_URL };
  }
}