content: /*
   *
   *  MIT License
   *
   *  Copyright (c) 2017 Alibaba Group
   *
   *  Permission is hereby granted, free of charge, to any person obtaining a copy
   *  of this software and associated documentation files (the "Software"), to deal
   *  in the Software without restriction, including without limitation the rights
   *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   *  copies of the Software, and to permit persons to whom the Software is
   *  furnished to do so, subject to the following conditions:
   *
   *  The above copyright notice and this permission notice shall be included in all
   *  copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   *  SOFTWARE.
   *
   */
  
  package com.tmall.ultraviewpager;
  
  import android.os.Handler;
  import android.os.Message;
  import android.util.SparseIntArray;
  
  /**
   * Created by mikeafc on 15/11/25.
   */
  public class TimerHandler extends Handler {
  
      public interface TimerHandlerListener {
          int getNextItem();
          void callBack();
      }
  
      SparseIntArray specialInterval;
      long interval;
      boolean isStopped = true;
      TimerHandlerListener listener;
  
      static final int MSG_TIMER_ID = 87108;
  
      public TimerHandler(TimerHandlerListener listener, long interval) {
          this.listener = listener;
          this.interval = interval;
      }
  
      @Override
      public void handleMessage(Message msg) {
          if (MSG_TIMER_ID == msg.what) {
              if (listener != null) {
                  int nextIndex = listener.getNextItem();
                  listener.callBack();
                  tick(nextIndex);
              }
          }
      }
  
      public void tick(int index) {
          sendEmptyMessageDelayed(TimerHandler.MSG_TIMER_ID, getNextInterval(index));
      }
  
      private long getNextInterval(int index) {
          long next = interval;
          if (specialInterval != null) {
              long has = specialInterval.get(index, -1);
              if (has > 0) {
                  next = has;
              }
          }
          return next;
      }
  
      public boolean isStopped() {
          return isStopped;
      }
  
      public void setStopped(boolean stopped) {
          isStopped = stopped;
      }
  
      public void setListener(TimerHandlerListener listener) {
          this.listener = listener;
      }
  
      public void setSpecialInterval(SparseIntArray specialInterval) {
          this.specialInterval = specialInterval;
      }
  }
  