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(function (FMS, Backbone, _, $) {
_.extend( FMS, {
LocatorView: FMS.FMSView.extend({
skipLocationCheck: false,
locate: function() {
$(document).delegate('.ui-content', 'touchmove', false);
$('#locating').show();
this.listenTo(FMS.locator, 'gps_located', this.gotLocation);
this.listenTo(FMS.locator, 'gps_failed', this.failedLocation);
this.listenTo(FMS.locator, 'gps_locating', this.locationUpdate);
FMS.locator.geolocate(CONFIG.ACCURACY, this.skipLocationCheck);
this.startLocateProgress();
},
startLocateProgress: function() {
this.located = false;
this.locateCount = 1;
var that = this;
window.setTimeout( function() {that.showLocateProgress();}, 1000);
},
locationUpdate: function( accuracy ) {
if ( accuracy && accuracy < 500 ) {
$('#progress-bar').css( 'background-color', 'orange' );
} else if ( accuracy && accuracy < 250 ) {
$('#progress-bar').css( 'background-color', 'yellow' );
} else {
$('#progress-bar').css( 'background-color', 'grey' );
}
$('#accuracy').text(parseInt(accuracy, 10) + 'm');
},
showLocateProgress: function() {
if ( $('#locating').css('display') == 'none' ) {
return;
}
if ( !this.located && this.locateCount > 20 ) {
var details = { msg: FMS.strings.geolocation_failed };
this.failedLocation(details);
return;
}
var percent = ( this.locateCount / 20 ) * 100;
$('#progress-bar').css( 'width', percent + '%' );
this.locateCount++;
var that = this;
window.setTimeout( function() {that.showLocateProgress();}, 1000);
},
finishedLocating: function() {
this.stopListening(FMS.locator, 'gps_locating');
this.stopListening(FMS.locator, 'gps_located');
this.stopListening(FMS.locator, 'gps_failed');
$(document).undelegate('.ui-content', 'touchmove', false);
$('#locating').hide();
},
failedLocation: function(details) {
this.finishedLocating();
},
gotLocation: function(info) {
this.finishedLocating();
}
})
});
})(FMS, Backbone, _, $);
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