package/fonera-mp3/src/cgi/json.js

   1 var alpmp3_playtime = 0;
   2 var alpmp3_state = 0;
   3 var alpmp3_ip = "";
   4 var obj_volume;
   5 var obj_bass;
   6 var obj_playtime;
   7 var obj_sate;
   8 var obj_filename;
   9 var MP3Object;
  10 var is_setup = 0;
  11
  12 function alpmp3_ajax_new_data(){
  13         obj_bass.firstChild.nodeValue = MP3Object.alpmp3.bass;
  14         obj_volume.firstChild.nodeValue = MP3Object.alpmp3.volume;
  15         obj_state.firstChild.nodeValue = MP3Object.alpmp3.type;
  16         obj_filename.firstChild.nodeValue = MP3Object.alpmp3.filename;
  17         alpmp3_state = MP3Object.alpmp3.state;
  18         if(Math.abs(alpmp3_playtime - MP3Object.alpmp3.playtime) > 1){
  19                 alpmp3_playtime = MP3Object.alpmp3.playtime;
  20         }
  21 }
  22
  23 function alpmp3_update_data(url){
  24         var data;
  25         var http_request = new XMLHttpRequest();
  26         http_request.open("GET", url, true);
  27         http_request.onreadystatechange = function () {
  28                 if (http_request.readyState == 4) {
  29                         if (http_request.status == 200) {
  30                                 MP3Object = eval("(" + http_request.responseText + ")");
  31                                 alpmp3_ajax_new_data();
  32                         } else {
  33                                 alert("There was a problem with the URL.");
  34                         }
  35                         http_request = null;
  36                 }
  37         }
  38         http_request.send(null);
  39         self.setTimeout("alpmp3_update_data('mp3_json.cgi');", 4000);
  40 }
  41
  42 function alpmp3_remote(cmd){
  43         var doit = "";
  44         switch(cmd){
  45         case 'volup':
  46                 if(MP3Object.alpmp3.volume < 30){
  47                         MP3Object.alpmp3.volume++;
  48                 }
  49                 doit = "?vol=" + MP3Object.alpmp3.volume;
  50                 break;
  51         case 'voldown':
  52                 if(MP3Object.alpmp3.volume > 0){
  53                         MP3Object.alpmp3.volume--;
  54                 }
  55                 doit = "?vol=" + MP3Object.alpmp3.volume;
  56                 break;
  57         case 'bassup':
  58                 if(MP3Object.alpmp3.bass < 30){
  59                         MP3Object.alpmp3.bass++;
  60                 }
  61                 doit = "?bass=" + MP3Object.alpmp3.bass;
  62                 break;
  63         case 'bassdown':
  64                 if(MP3Object.alpmp3.volume < 30){
  65                         MP3Object.alpmp3.bass--;
  66                 }
  67                 doit = "?bass=" + MP3Object.alpmp3.bass;
  68                 break;
  69         case 'stop':
  70                 doit = "?stop=1";
  71                 break;
  72         case 'start':
  73                 doit = "?start=1";
  74                 break;
  75         case 'next':
  76                 doit = "?next=1";
  77                 break;
  78         case 'back':
  79                 doit = "?back=1";
  80                 break;
  81         }
  82         if(doit != ""){
  83                 var http_request2 = new XMLHttpRequest();
  84                 http_request2.open("GET", 'mp3_cmd.cgi'+doit, true);
  85                 http_request2.onreadystatechange = function () {
  86                         if (http_request2.readyState == 4) {
  87                                 if (http_request2.status == 200) {
  88                                         alpmp3_ajax_new_data();
  89                                 } else {
  90                                         alert("There was a problem with the URL.");
  91                                 }
  92                                 http_request2 = null;
  93                         }
  94                 }
  95                 http_request2.send(null);
  96         }
  97
  98 }
  99
 100 function alpmp3_timeout(){
 101         alpmp3_state = 0;
 102         alert(alpmp3_playtime);
 103 }
 104
 105 function alpmp3_playtime_update(){
 106         self.setTimeout("alpmp3_playtime_update()", 1000);
 107         if(alpmp3_state > 0){
 108                 alpmp3_playtime ++;
 109         } else {
 110                 alpmp3_playtime = 0;
 111         }
 112         var s = alpmp3_playtime;
 113         var h = 0;
 114         var m = 0;
 115         while(s > 3599){
 116                 h++;
 117                 s -= 3600;
 118         }
 119         while(s > 59){
 120                 m++;
 121                 s -= 60;
 122         }
 123         ptime = ((m < 10) ? "0" : "") + m + ":" + ((s < 10) ? "0" : "") + s;
 124         if(h > 0){
 125                 ptime = ((h < 10) ? "0" : "") + h + ":" + ptime;
 126         }
 127         obj_playtime.firstChild.nodeValue = ptime;
 128 }
 129
 130 function alpmp3_setup($ip){
 131         if(is_setup == 0){
 132                 obj_volume = document.getElementById("alpmp3_volume");
 133                 obj_bass = document.getElementById("alpmp3_bass");
 134                 obj_state = document.getElementById("alpmp3_state");
 135                 obj_filename = document.getElementById("alpmp3_filename");
 136                 obj_playtime = document.getElementById("alpmp3_playtime");
 137                 is_setup = 1;
 138         }
 139         self.setTimeout("alpmp3_update_data('mp3_json.cgi');", 4000);
 140         self.setTimeout("alpmp3_playtime_update()", 1000);
 141 }