Android Open Source - qshuttle_driver Timer

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License

The source code is released under:
MIT License
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Java Source Code

/**
 * // ww  w.  j ava 2s  . c o m
 */
package com.qshuttle.car;

import android.os.Handler;
import android.os.Message;
import android.util.Log;

/**
 * @author wangpeifeng
 *
 */
public class Timer {
  
  private long timer_start;
  
  private long miliseconds;
  
  private boolean recycle;
  
  private TimerCallBack callback;
  
  private Message msg , msg_buffer;
  
  private Handler handler;
  
  
  public Timer(long miliseconds, boolean recycle, TimerCallBack callback, Handler handler, Message msg){
    
    timer_start = System.currentTimeMillis();
    
    this.miliseconds = miliseconds;
    
    this.recycle = recycle;
    
    this.callback = callback;
    
    this.handler = handler;
    
    this.msg = msg;
    
    this.bufferMsg();
    
    
  }
  
  public Timer(long miliseconds, boolean recycle, TimerCallBack callback, Handler handler, int msg_what){
    
    timer_start = System.currentTimeMillis();
    
    this.miliseconds = miliseconds;
    
    this.recycle = recycle;
    
    this.callback = callback;
    
    this.handler = handler;
    
    this.msg = new Message();
    
    this.msg.what = msg_what;
    
    this.bufferMsg();
    
    
  }
  
  public Timer(long miliseconds, boolean recycle, TimerCallBack callback){
    
    timer_start = System.currentTimeMillis();
    
    this.miliseconds = miliseconds;
    
    this.recycle = recycle;
    
    this.callback = callback;

    this.handler = null;
    
    this.msg = null;
    
    this.bufferMsg();
    
  }

  public Timer(long miliseconds, boolean recycle, Handler handler, Message msg){
    
    timer_start = System.currentTimeMillis();
    
    this.miliseconds = miliseconds;
    
    this.recycle = recycle;
    
    this.callback = null;
    
    this.handler = handler;
    
    this.msg = msg;
    
    this.bufferMsg();
    
  }

  public Timer(long miliseconds, boolean recycle, Handler handler, int msg_what){
    
    timer_start = System.currentTimeMillis();
    
    this.miliseconds = miliseconds;
    
    this.recycle = recycle;
    
    this.callback = null;
    
    this.handler = handler;
    
    this.msg = new Message();
    
    this.msg.what = msg_what;
    
    this.bufferMsg();
    
  }
  
  public void registerCallBack(TimerCallBack callback){
    
    this.callback = callback;
  
  }

  public void removeCallBcak(){
    
    this.callback = null;
    
  }
  
  public void registerHandlerMessage(Handler handler, Message msg){
    
    this.handler = handler;
    
    this.msg = msg;
    
  }
  
  public void removeHandlerMessage(){
    
    this.handler = null;
    
    this.msg = null;
    
  }
  
  public void setTimer(long miliseconds){
    
    this.miliseconds = miliseconds;
    
  }
  
  public boolean isRecycle(){
    
    return recycle;
    
  }
  
  public void reset(){
    
    this.timer_start = System.currentTimeMillis();
    
    this.restoreMsg();
    
  }
  
  public void reset(long miliseconds){
    
    this.timer_start = System.currentTimeMillis();
    
    this.miliseconds = miliseconds;
    
    this.restoreMsg();
  }
  
  
  public boolean isTimerOut(){
    
    if(System.currentTimeMillis() - timer_start > miliseconds){
      
      return true;
    
    }
    else {
      
      return false;
    }
  }
  
  public boolean isHandlerMessage(){
    
    if(handler != null && msg != null){

//      Log.i("timer", "hadler msg true");
      
      return true;
      
    }
    else{
      
//      Log.i("timer", "hadler msg true");
      
      return false;
      
    }
    
  }
  
  public void sendMessage(){
    
    try{

//      Log.i("timer", "msg:" + msg.what);

      handler.sendMessage(msg);
    
    }
    catch(Exception e){
      
      e.printStackTrace();
      
    }
  }
  
  public boolean isCallBack(){
    
    if(callback != null){
      
      return true;
      
    }
    else{
      
      return false;
      
    }
  }
  
  public void doCallBack(){
    
    try{
    
      callback.onTimerOut();
    
    }
    catch(Exception e){
      
      e.printStackTrace();
      
    }
  }
  
  public long getStart(){
    
    return timer_start;
    
  }
  
  public int getTimer(){
    
    return (int)(miliseconds/1000);
    
  }
  
  
  private void bufferMsg(){
    
    if(msg == null){
      
      this.msg_buffer = msg;
      
    }
    else{
      
      this.msg_buffer = new Message();
      
      this.msg_buffer.copyFrom(msg);
    }
  }
  
  
  private void restoreMsg(){
    
    if(this.msg_buffer == null){
      
      msg =null;
    
    }
    else{
      
      msg = new Message();
      
      msg.copyFrom(msg_buffer);
    
    }
  }
  
}
Java Source Code List
