Exemple Carte GPS avec OpenLayers - Firefox OS

Création de l'application

Créer un dossier gps qui contiendra tout les scripts de votre application.

Fichier index.html :

<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
        <meta name="apple-mobile-web-app-capable" content="yes">
        <title>OpenLayers Geolocation</title>

        <link rel="stylesheet" href="style.css" type="text/css">
        <style>
            .olControlAttribution {
                bottom: 3px;
            }
        </style>
    </head>
    <body>
        <h1 id="title">Geolocation Example</h1>

        <div id="tags">
            geolocation, geolocate, mobile
        </div>

        <p id="shortdesc">
            Track  current position and display it with its accuracy.
        </p>

        <div id="map" class="smallmap"></div>
        <button id="locate">Locate me!</button>
        <input type="checkbox" name="track" id="track">
        <label for="track">Track my position</label>
<!--        <div id="docs">
            <p>
                View the <a href="geolocation.js" target="_blank">geolocation.js source</a>
                to see how this is done.
            </p>
        </div>-->
        <!-- script src="../OpenLayers.js"></script-->
        <!-- script src="geolocation.js"></script -->
	<script type="text/javascript" src="http://www.openlayers.org/api/OpenLayers.js">
	</script>
        <script type="text/javascript">// <![CDATA[
 
 var style = {
    fillColor: '#000',
    fillOpacity: 0.1,
    strokeWidth: 0
};

var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.OSM( "Simple OSM Map");
var vector = new OpenLayers.Layer.Vector('vector');
map.addLayers([layer, vector]);

map.setCenter(
    new OpenLayers.LonLat(-4.467257, 48.406274).transform(
        new OpenLayers.Projection("EPSG:4326"),
        map.getProjectionObject()
    ), 12
);

var pulsate = function(feature) {
    var point = feature.geometry.getCentroid(),
        bounds = feature.geometry.getBounds(),
        radius = Math.abs((bounds.right - bounds.left)/2),
        count = 0,
        grow = 'up';

    var resize = function(){
        if (count>16) {
            clearInterval(window.resizeInterval);
        }
        var interval = radius * 0.03;
        var ratio = interval/radius;
        switch(count) {
            case 4:
            case 12:
                grow = 'down'; break;
            case 8:
                grow = 'up'; break;
        }
        if (grow!=='up') {
            ratio = - Math.abs(ratio);
        }
        feature.geometry.resize(1+ratio, point);
        vector.drawFeature(feature);
        count++;
    };
    window.resizeInterval = window.setInterval(resize, 50, point, radius);
};

var geolocate = new OpenLayers.Control.Geolocate({
    bind: false,
    geolocationOptions: {
        enableHighAccuracy: false,
        maximumAge: 0,
        timeout: 7000
    }
});
map.addControl(geolocate);
var firstGeolocation = true;
geolocate.events.register("locationupdated",geolocate,function(e) {
    vector.removeAllFeatures();
    var circle = new OpenLayers.Feature.Vector(
        OpenLayers.Geometry.Polygon.createRegularPolygon(
            new OpenLayers.Geometry.Point(e.point.x, e.point.y),
            e.position.coords.accuracy/2,
            40,
            0
        ),
        {},
        style
    );
    vector.addFeatures([
        new OpenLayers.Feature.Vector(
            e.point,
            {},
            {
                graphicName: 'cross',
                strokeColor: '#f00',
                strokeWidth: 2,
                fillOpacity: 0,
                pointRadius: 10
            }
        ),
        circle
    ]);
    if (firstGeolocation) {
        map.zoomToExtent(vector.getDataExtent());
        pulsate(circle);
        firstGeolocation = false;
        this.bind = true;
    }
});
geolocate.events.register("locationfailed",this,function() {
    OpenLayers.Console.log('Location detection failed');
});
document.getElementById('locate').onclick = function() {
    vector.removeAllFeatures();
    geolocate.deactivate();
    document.getElementById('track').checked = false;
    geolocate.watch = false;
    firstGeolocation = true;
    geolocate.activate();
};
document.getElementById('track').onclick = function() {
    vector.removeAllFeatures();
    geolocate.deactivate();
    if (this.checked) {
        geolocate.watch = true;
        firstGeolocation = true;
        geolocate.activate();
    }
};
document.getElementById('track').checked = false;

// ]]&gt;
</script>
    </body>
</html>

Fichier de l'icone:

Création d'un fichier manifest.webapp :

{
  "version":"1.0",
  "name":"Carte OpenLayers",
  "description":"Carte OpenLayers",
  "type":"web",
  "fullscreen":"true",
  "orientation": ["portrait"],
  "launch_path":"/index.html",
  "icons":
    { 
      "128":"/icon-128.png"
    },
   "developer":
   {
    "name":"Maison du Libre",
    "url":"http://mdl29.net"
    },
   "permissions":
   {
      "geolocation" : 
	{
	"description": "Nécessite l'accès GPS"
	}
   }
}

Ajout du fichier style

Fichier style.css:

div.olMap {
    z-index: 0;
    padding: 0 !important;
    margin: 0 !important;
    cursor: default;
}

div.olMapViewport {
    text-align: left;
    -ms-touch-action: none;
}

div.olLayerDiv {
   -moz-user-select: none;
   -khtml-user-select: none;
}

.olLayerGoogleCopyright {
    left: 2px;
    bottom: 2px;
}
.olLayerGoogleV3.olLayerGoogleCopyright {
    right: auto !important;
}
.olLayerGooglePoweredBy {
    left: 2px;
    bottom: 15px;
}
.olLayerGoogleV3.olLayerGooglePoweredBy {
    bottom: 15px !important;
}
/* GMaps should not set styles on its container */
.olForeignContainer {
    opacity: 1 !important;
}
.olControlAttribution {
    font-size: smaller;
    right: 3px;
    bottom: 4.5em;
    position: absolute;
    display: block;
}
.olControlScale {
    right: 3px;
    bottom: 3em;
    display: block;
    position: absolute;
    font-size: smaller;
}
.olControlScaleLine {
   display: block;
   position: absolute;
   left: 10px;
   bottom: 15px;
   font-size: xx-small;
}
.olControlScaleLineBottom {
   border: solid 2px black;
   border-bottom: none;
   margin-top:-2px;
   text-align: center;
}
.olControlScaleLineTop {
   border: solid 2px black;
   border-top: none;
   text-align: center;
}

.olControlPermalink {
    right: 3px;
    bottom: 1.5em;
    display: block;
    position: absolute;
    font-size: smaller;
}

div.olControlMousePosition {
    bottom: 0;
    right: 3px;
    display: block;
    position: absolute;
    font-family: Arial;
    font-size: smaller;
}

.olControlOverviewMapContainer {
    position: absolute;
    bottom: 0;
    right: 0;
}

.olControlOverviewMapElement {
    padding: 10px 18px 10px 10px;
    background-color: #00008B;
    -moz-border-radius: 1em 0 0 0;
}

.olControlOverviewMapMinimizeButton,
.olControlOverviewMapMaximizeButton {
    height: 18px;
    width: 18px;
    right: 0;
    bottom: 80px;
    cursor: pointer;
}

.olControlOverviewMapExtentRectangle {
    overflow: hidden;
    background-image: url("img/blank.gif");
    cursor: move;
    border: 2px dotted red;
}
.olControlOverviewMapRectReplacement {
    overflow: hidden;
    cursor: move;
    background-image: url("img/overview_replacement.gif");
    background-repeat: no-repeat;
    background-position: center;
}

.olLayerGeoRSSDescription {
    float:left;
    width:100%;
    overflow:auto;
    font-size:1.0em;
}
.olLayerGeoRSSClose {
    float:right;
    color:gray;
    font-size:1.2em;
    margin-right:6px;
    font-family:sans-serif;
}
.olLayerGeoRSSTitle {
    float:left;font-size:1.2em;
}

.olPopupContent {
    padding:5px;
    overflow: auto;
}

.olControlNavigationHistory {
   background-image: url("img/navigation_history.png");
   background-repeat: no-repeat;
   width:  24px;
   height: 24px;

}
.olControlNavigationHistoryPreviousItemActive {
  background-position: 0 0;
}
.olControlNavigationHistoryPreviousItemInactive {
   background-position: 0 -24px;
}
.olControlNavigationHistoryNextItemActive {
   background-position: -24px 0;
}
.olControlNavigationHistoryNextItemInactive {
   background-position: -24px -24px;
}

div.olControlSaveFeaturesItemActive {
    background-image: url(img/save_features_on.png);
    background-repeat: no-repeat;
    background-position: 0 1px;
}
div.olControlSaveFeaturesItemInactive {
    background-image: url(img/save_features_off.png);
    background-repeat: no-repeat;
    background-position: 0 1px;
}

.olHandlerBoxZoomBox {
    border: 2px solid red;
    position: absolute;
    background-color: white;
    opacity: 0.50;
    font-size: 1px;
    filter: alpha(opacity=50);
}
.olHandlerBoxSelectFeature {
    border: 2px solid blue;
    position: absolute;
    background-color: white;
    opacity: 0.50;
    font-size: 1px;
    filter: alpha(opacity=50);
}

.olControlPanPanel {
    top: 10px;
    left: 5px;
}

.olControlPanPanel div {
    background-image: url(img/pan-panel.png);
    height: 18px;
    width: 18px;
    cursor: pointer;
    position: absolute;
}

.olControlPanPanel .olControlPanNorthItemInactive {
    top: 0;
    left: 9px;
    background-position: 0 0;
}
.olControlPanPanel .olControlPanSouthItemInactive {
    top: 36px;
    left: 9px;
    background-position: 18px 0;
}
.olControlPanPanel .olControlPanWestItemInactive {
    position: absolute;
    top: 18px;
    left: 0;
    background-position: 0 18px;
}
.olControlPanPanel .olControlPanEastItemInactive {
    top: 18px;
    left: 18px;
    background-position: 18px 18px;
}

.olControlZoomPanel {
    top: 71px;
    left: 14px;
}

.olControlZoomPanel div {
    background-image: url(img/zoom-panel.png);
    position: absolute;
    height: 18px;
    width: 18px;
    cursor: pointer;
}

.olControlZoomPanel .olControlZoomInItemInactive {
    top: 0;
    left: 0;
    background-position: 0 0;
}

.olControlZoomPanel .olControlZoomToMaxExtentItemInactive {
    top: 18px;
    left: 0;
    background-position: 0 -18px;
}

.olControlZoomPanel .olControlZoomOutItemInactive {
    top: 36px;
    left: 0;
    background-position: 0 18px;
}

/*
 * When a potential text is bigger than the image it move the image
 * with some headers (closes #3154)
 */
.olControlPanZoomBar div {
    font-size: 1px;
}

.olPopupCloseBox {
  background: url("img/close.gif") no-repeat;
  cursor: pointer;
}

.olFramedCloudPopupContent {
    padding: 5px;
    overflow: auto;
}

.olControlNoSelect {
 -moz-user-select: none;
 -khtml-user-select: none;
}

.olImageLoadError {
    background-color: pink;
    opacity: 0.5;
    filter: alpha(opacity=50); /* IE */
}

/**
 * Cursor styles
 */

.olCursorWait {
    cursor: wait;
}
.olDragDown {
    cursor: move;
}
.olDrawBox {
    cursor: crosshair;
}
.olControlDragFeatureOver {
    cursor: move;
}
.olControlDragFeatureActive.olControlDragFeatureOver.olDragDown {
    cursor: -moz-grabbing;
}

/**
 * Layer switcher
 */
.olControlLayerSwitcher {
    position: absolute;
    top: 25px;
    right: 0;
    width: 20em;
    font-family: sans-serif;
    font-weight: bold;
    margin-top: 3px;
    margin-left: 3px;
    margin-bottom: 3px;
    font-size: smaller;
    color: white;
    background-color: transparent;
}

.olControlLayerSwitcher .layersDiv {
    padding-top: 5px;
    padding-left: 10px;
    padding-bottom: 5px;
    padding-right: 10px;
    background-color: darkblue;
}

.olControlLayerSwitcher .layersDiv .baseLbl,
.olControlLayerSwitcher .layersDiv .dataLbl {
    margin-top: 3px;
    margin-left: 3px;
    margin-bottom: 3px;
}

.olControlLayerSwitcher .layersDiv .baseLayersDiv,
.olControlLayerSwitcher .layersDiv .dataLayersDiv {
    padding-left: 10px;
}

.olControlLayerSwitcher .maximizeDiv,
.olControlLayerSwitcher .minimizeDiv {
    width: 18px;
    height: 18px;
    top: 5px;
    right: 0;
    cursor: pointer;
}

.olBingAttribution {
    color: #DDD;
}
.olBingAttribution.road {
    color: #333;
}

.olGoogleAttribution.hybrid, .olGoogleAttribution.satellite {
    color: #EEE;
}
.olGoogleAttribution {
    color: #333;
}
span.olGoogleAttribution a {
    color: #77C;
}
span.olGoogleAttribution.hybrid a, span.olGoogleAttribution.satellite a {
    color: #EEE;
}

/**
 * Editing and navigation icons.
 * (using the editing_tool_bar.png sprint image)
 */
.olControlNavToolbar ,
.olControlEditingToolbar {
    margin: 5px 5px 0 0;
}
.olControlNavToolbar div,
.olControlEditingToolbar div {
    background-image: url("img/editing_tool_bar.png");
    background-repeat: no-repeat;
    margin: 0 0 5px 5px;
    width: 24px;
    height: 22px;
    cursor: pointer
}
/* positions */
.olControlEditingToolbar {
    right: 0;
    top: 0;
}
.olControlNavToolbar {
    top: 295px;
    left: 9px;
}
/* layouts */
.olControlEditingToolbar div {
    float: right;
}
/* individual controls */
.olControlNavToolbar .olControlNavigationItemInactive,
.olControlEditingToolbar .olControlNavigationItemInactive {
    background-position: -103px -1px;
}
.olControlNavToolbar .olControlNavigationItemActive ,
.olControlEditingToolbar .olControlNavigationItemActive  {
    background-position: -103px -24px;
}
.olControlNavToolbar .olControlZoomBoxItemInactive {
    background-position: -128px -1px;
}
.olControlNavToolbar .olControlZoomBoxItemActive  {
    background-position: -128px -24px;
}
.olControlEditingToolbar .olControlDrawFeaturePointItemInactive {
    background-position: -77px -1px;
}
.olControlEditingToolbar .olControlDrawFeaturePointItemActive {
    background-position: -77px -24px;
}
.olControlEditingToolbar .olControlDrawFeaturePathItemInactive {
    background-position: -51px -1px;
}
.olControlEditingToolbar .olControlDrawFeaturePathItemActive {
    background-position: -51px -24px;
}
.olControlEditingToolbar .olControlDrawFeaturePolygonItemInactive{
    background-position: -26px -1px;
}
.olControlEditingToolbar .olControlDrawFeaturePolygonItemActive {
    background-position: -26px -24px;
}

div.olControlZoom {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(255,255,255,0.4);
    border-radius: 4px;
    padding: 2px;
}
div.olControlZoom a {
    display: block;
    margin: 1px;
    padding: 0;
    color: white;
    font-size: 18px;
    font-family: 'Lucida Grande', Verdana, Geneva, Lucida, Arial, Helvetica, sans-serif;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    height: 22px;
    width:22px;
    line-height: 19px;
    background: #130085; /* fallback for IE - IE6 requires background shorthand*/
    background: rgba(0, 60, 136, 0.5);
    filter: alpha(opacity=80);
}
div.olControlZoom a:hover {
    background: #130085; /* fallback for IE */
    background: rgba(0, 60, 136, 0.7);
    filter: alpha(opacity=100);
}
@media only screen and (max-width: 600px) {
    div.olControlZoom a:hover {
        background: rgba(0, 60, 136, 0.5);
    }
}
a.olControlZoomIn {
    border-radius: 4px 4px 0 0;
}
a.olControlZoomOut {
    border-radius: 0 0 4px 4px;
}


/**
 * Animations
 */

.olLayerGrid .olTileImage {
    -webkit-transition: opacity 0.2s linear;
    -moz-transition: opacity 0.2s linear;
    -o-transition: opacity 0.2s linear;
    transition: opacity 0.2s linear;
}

/* Turn on GPU support where available */
.olTileImage {
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -o-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000;
    -moz-perspective: 1000;
    -ms-perspective: 1000;
    perspective: 1000;
}

/* when replacing tiles, do not show tile and backbuffer at the same time */
.olTileReplacing {
    display: none;
}

/* override any max-width image settings (e.g. bootstrap.css) */
img.olTileImage {
    max-width: none;
}

/**
 * CSS Reset
 * From Blueprint reset.css
 * http://blueprintcss.googlecode.com
 */
html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, code, del, dfn, em, img, q, dl, dt, dd, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td {margin:0;padding:0;border:0;font-weight:inherit;font-style:inherit;font-size:100%;font-family:inherit;vertical-align:baseline;}
body {line-height:1.5;}
table {border-collapse:separate;border-spacing:0;}
caption, th, td {text-align:left;font-weight:normal;}
table, td, th {vertical-align:middle;}
blockquote:before, blockquote:after, q:before, q:after {content:"";}
blockquote, q {quotes:"" "";}
a img {border:none;}

/**
 * Basic Typography
 */
body {
    font-family: "Lucida Grande", Verdana, Geneva, Lucida, Arial, Helvetica, sans-serif;
    font-size: 80%;
    color: #222;
    background: #fff;
    margin: 1em 1.5em;
}
pre, code {
    margin: 1.5em 0;
    white-space: pre;
}
pre, code {
    font: 1em 'andale mono', 'lucida console', monospace;
    line-height:1.5;
}
a[href] {
    color: #436976;
    background-color: transparent;
}
h1, h2, h3, h4, h5, h6 {
    color: #003a6b;
    background-color: transparent;
    font: 100% 'Lucida Grande', Verdana, Geneva, Lucida, Arial, Helvetica, sans-serif;
    margin: 0;
    padding-top: 0.5em;
}
h1 {
    font-size: 130%;
    margin-bottom: 0.5em;
    border-bottom: 1px solid #fcb100;
}
h2 {
    font-size: 120%;
    margin-bottom: 0.5em;
    border-bottom: 1px solid #aaa;
}
h3 {
    font-size: 110%;
    margin-bottom: 0.5em;
    text-decoration: underline;
}
h4 {
    font-size: 100%;
    font-weight: bold;
}
h5 {
    font-size: 100%;
    font-weight: bold;
}
h6 {
    font-size: 80%;
    font-weight: bold;
}

.olControlAttribution {
    bottom: 5px;
}

/**
 * Map Examples Specific
 */
.smallmap {
    width: 512px;
    height: 256px;
    border: 1px solid #ccc;
}
#tags {
    display: none;
}

#docs p {
    margin-bottom: 0.5em;
}
/* mobile specific */
@media only screen and (max-width: 600px) {
    body {
        height           : 100%;
        margin           : 0;
        padding          : 0;
        width            : 100%;
    }
    #map {
        background : #7391ad;
        width      : 100%;
    }
    #map {
        border : 0;
        height : 250px;
    }
    #title {
        font-size   : 1.3em;
        line-height : 2em;
        text-indent : 1em;
        margin      : 0;
        padding     : 0;
    }
    #docs {
        bottom     : 0;
        padding    : 1em;
    }
    #shortdesc {
        color      : #aaa;
        font-size  : 0.8em;
        padding    : 1em;
        text-align : right;
    }
    #tags {
        display : none;
    }
}
@media only screen and (orientation: landscape) and (max-width: 600px) {
    #shortdesc {
       float: right;
       width: 25%;
    }
    #map {
        width: 70%;
    }
    #docs {
        font-size: 12px;
    }
}
body {
    -webkit-text-size-adjust: none;
}