android/src/org/rockbox/RockboxTimer.java

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Thomas Martitz
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 package org.rockbox;
  23
  24 import java.util.Timer;
  25 import java.util.TimerTask;
  26
  27 import android.content.Context;
  28 import android.telephony.TelephonyManager;
  29 import android.util.Log;
  30
  31 public class RockboxTimer extends Timer
  32 {
  33         RockboxTimerTask task;
  34         long interval;
  35
  36         private class RockboxTimerTask extends TimerTask {
  37                 private RockboxTimer t;
  38                 private TelephonyManager tm;
  39                 private int last_state;
  40                 public RockboxTimerTask(RockboxService s, RockboxTimer parent) {
  41                         super();
  42                         t = parent;
  43                         tm = (TelephonyManager)s.getSystemService(Context.TELEPHONY_SERVICE);
  44                         last_state = tm.getCallState();
  45                 }
  46
  47                 @Override
  48                 public void run() {
  49                         timerTask();
  50                         int state = tm.getCallState();
  51                         if (state != last_state)
  52                         {
  53                                 switch (state) {
  54                                 case TelephonyManager.CALL_STATE_IDLE:
  55                                         postCallHungUp();
  56                                         break;
  57                                 case TelephonyManager.CALL_STATE_RINGING:
  58                                         postCallIncoming();
  59                                 default:
  60                                         break;
  61                                 }
  62                                 last_state = state;
  63                         }
  64                         synchronized(t) {
  65                                 t.notify();
  66                         }
  67                 }
  68         }
  69
  70         public RockboxTimer(RockboxService instance, long period_inverval_in_ms)
  71         {
  72                 super("tick timer", false);
  73                 task = new RockboxTimerTask(instance, this);
  74                 schedule(task, 0, period_inverval_in_ms);
  75                 interval = period_inverval_in_ms;
  76         }
  77
  78         private void LOG(CharSequence text)
  79         {
  80                 Log.d("Rockbox", (String) text);
  81         }
  82
  83
  84     /* methods called from native, keep them simple */
  85     public void java_wait_for_interrupt()
  86     {
  87         synchronized(this) {
  88                 try {
  89                         this.wait();
  90                 } catch (InterruptedException e) {
  91                         /* wakeup and return */
  92                 } catch (Exception e) {
  93                         LOG(e.toString());
  94                 }
  95         }
  96     }
  97         public native void timerTask();
  98         private native void postCallIncoming();
  99         private native void postCallHungUp();
 100 }