chrome/test/data/geolocation/two_watches.html

   1 <html>
   2  <head>
   3   <script>
   4     var position_1 = 0;
   5     var position_2 = 0;
   6     var watch_1_id = 0;
   7     var watch_2_id = 0;
   8     var last_error = 0;
   9     var expected_final_position_latitude = 0;
  10     var expected_final_position_longitude = 0;
  11     var first_position_received = false;
  12     var position_updated = false;
  13
  14     function sendString(string) {
  15       window.domAutomationController.send(string);
  16     }
  17
  18     // The permission request is not considered complete until both of the
  19     // watches have been set.
  20     function possiblyNotifyFirstPositionReceived() {
  21       if (position_1 == 0 || position_2 == 0 || first_position_received)
  22         return;
  23       first_position_received = true;
  24       if (position_1.coords.latitude != position_2.coords.latitude ||
  25           position_1.coords.longitude != position_2.coords.longitude) {
  26         last_error = "TEST FAIL: watches received different locations. " +
  27                       " Watch 1 (" + watch_1_id + ") got " + position_1 +
  28                       " Watch 2 (" + watch_2_id + ") got " + position_2;
  29         sendString(last_error);
  30         return;
  31       }
  32       sendString('request-callback-success');
  33     }
  34
  35     function checkIfGeopositionUpdated() {
  36       if (position_updated)
  37         sendString('geoposition-updated');
  38     }
  39
  40     // This will be triggered twice:
  41     //  1. When the permission request is approved, it will receive an initial
  42     //     value. At this point, the callback does not directly notify success
  43     //     because success won't be complete until both callbacks are invoked.
  44     //  2. When a new geolocation value is supplied.
  45     function geoSuccessCallback1(position) {
  46       position_1 = position;
  47       if (!first_position_received) {
  48         possiblyNotifyFirstPositionReceived();
  49         return;
  50       }
  51       if (position.coords.latitude == expected_final_position_latitude &&
  52           position.coords.longitude == expected_final_position_longitude) {
  53         position_updated = true;
  54         sendString('geoposition-updated');
  55       }
  56     }
  57
  58     // This callback will be triggered once, when the permission request is
  59     // approved. After that, it unregisters itself.
  60     function geoSuccessCallback2(position) {
  61       navigator.geolocation.clearWatch(watch_2_id);
  62       position_2 = position;
  63       if (!first_position_received) {
  64         possiblyNotifyFirstPositionReceived();
  65         return;
  66       }
  67       if (position.coords.latitude == expected_final_position_latitude ||
  68           position.coords.longitude == expected_final_position_longitude) {
  69         last_error = "TEST FAIL: watch 2 received the final position";
  70       }
  71     }
  72
  73     function geoErrorCallback(error) {
  74       last_error = error;
  75       sendString('request-callback-error');
  76     }
  77     function geoStartWithAsyncResponse() {
  78       watch_1_id = navigator.geolocation.watchPosition(
  79           geoSuccessCallback1, geoErrorCallback,
  80           {maximumAge:600000, timeout:100000, enableHighAccuracy:false});
  81       watch_2_id = navigator.geolocation.watchPosition(
  82           geoSuccessCallback2, geoErrorCallback,
  83           {maximumAge:600000, timeout:100000, enableHighAccuracy:true});
  84     }
  85     function geoGetLastPositionLatitude() {
  86       return "" + position_1.coords.latitude;
  87     }
  88     function geoGetLastPositionLongitude() {
  89       return "" + position_1.coords.longitude;
  90     }
  91     function geoGetLastError() {
  92       return "" + (last_error ? last_error : 0);
  93     }
  94     function geoSetFinalPosition(latitude, longitude) {
  95       expected_final_position_latitude = latitude;
  96       expected_final_position_longitude = longitude;
  97       return 'ok';
  98     }
  99   </script>
 100  </head>
 101  <body>
 102  <input type="button" value="manual" onclick="geoStart()"/>
 103  </body>
 104 </html>
 105