vcs.maemo.org Git - jspeed/blob - src/speedalarm.cpp

   1 /*
   2  * This file is part of jSpeed.
   3  *
   4  * jSpeed is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * jSpeed is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with jSpeed.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 #include <QtCore/QFile>
  20 #include <QMediaPlayer>
  21 #include "speedalarm.h"
  22 #include "settings.h"
  23 #include "odometer.h"
  24 #include "poialerts.h"
  25 #include "mediaplayer.h"
  26
  27 SpeedAlarm::SpeedAlarm(): QObject(0), loaded_(false), enabled_(false), isOver_(false)
  28 {
  29 }
  30
  31 SpeedAlarm& SpeedAlarm::instance()
  32 {
  33     static SpeedAlarm instance;
  34     return instance;
  35 }
  36
  37 void SpeedAlarm::start()
  38 {
  39     if(!loaded_)
  40     {
  41         loadConfig();
  42     }
  43
  44     if(enabled_)
  45     {
  46         connect(&(Odometer::instance()), SIGNAL(dataUpdated()), this, SLOT(onDataUpdated()));
  47     }
  48
  49 }
  50
  51 void SpeedAlarm::loadConfig()
  52 {
  53     loaded_ = true;
  54
  55     bool enabled = Settings::instance().value("alarm_enabled", false).toBool();
  56
  57     if(enabled)
  58     {
  59         enabled_ = true;
  60
  61         QString sound = Settings::instance().value("alarm_sound", "").toString();
  62
  63         if(sound.isEmpty())
  64         {
  65             enabled_ = false;
  66             return;
  67         }
  68
  69         QString soundDir = MediaPlayer::getSoundDir();
  70
  71         if(QFile::exists(soundDir + sound))
  72         {
  73             soundFile_ = soundDir + sound;
  74         }
  75         else if(QFile::exists(MediaPlayer::getLocalSoundDir() + sound))
  76         {
  77             soundFile_ = MediaPlayer::getLocalSoundDir() + sound;
  78         }
  79         else
  80         {
  81             enabled_ = false;
  82             return;
  83         }
  84
  85         threshold_ = Settings::instance().value("alarm_threshold", 0).toInt();
  86
  87         start();
  88     }
  89     else
  90     {
  91         end();
  92         enabled_ = false;
  93     }
  94 }
  95
  96 void SpeedAlarm::end()
  97 {
  98     if(enabled_)
  99     {
 100         disconnect(&(Odometer::instance()), SIGNAL(dataUpdated()), this, SLOT(onDataUpdated()));
 101     }
 102 }
 103
 104 void SpeedAlarm::onDataUpdated()
 105 {
 106     if(Odometer::instance().getLatestFix().kmSpeed > threshold_)
 107     {
 108         if(!isOver_)
 109         {
 110             MediaPlayer::play(soundFile_);
 111             isOver_ = true;
 112         }
 113     }
 114     else
 115     {
 116         isOver_ = false;
 117     }
 118 }