JS Mojo Geocoder Demo

examples/js/maps/demo.js

+#!mojo mojo:js_content_handler
+// Demonstate a Mojo wrapper for the Geocoder JSON API. The application
+// connects to geocoder_service.js which implements geocoder.mojom.
+// To run this application with mojo_shell, set DIR to be the absolute path
+// for this directory, then:
+//   mojo_shell file://$DIR/demo.js
+
+define("main", [
+  "console",
+  "examples/js/maps/geocoder.mojom",
+  "mojo/public/js/core",
+  "mojo/public/js/unicode",
+  "mojo/services/public/js/application",
+  "third_party/js/url",
+], function(console, geocoder, core, unicode, application, url) {
+
+  const Application = application.Application;
+  const Geocoder = geocoder.Geocoder;
+  const Result = geocoder.Result;
+  const Location = geocoder.Location;
+  const Status = geocoder.Status;
+  const Options = geocoder.Options;
+  const URL = url.URL;
+
+  var geocoderService;
+
+  function demoAddressToLocation() {
+    console.log("Demo GeocoderServce.AddressToLocation()");
+    var addr = "1365 Shorebird way, Mountain View, CA";
+    geocoderService.addressToLocation(addr, new Options).then(
+      function(rv) {
+        if (rv.status == Status.OK) {
+          for (var i = 0; i < rv.results.length; i++) {
+            var address = rv.results[i].formatted_address;
+            var location = rv.results[i].geometry.location;
+            console.log("Latitude,longitude for \"" + address + "\":");
+            console.log(location.latitude + ", " + location.longitude);
+
+            console.log("");
+            demoLocationToAddress();
+          }
+        } else {
+          console.log("Geocoder request failed status=" + rv.status);
+        }
+      });
+  }
+
+  function demoLocationToAddress() {
+    console.log("Demo GeocoderServce.LocationToAddress()");
+    var coords = new Location({
+      latitude: 37.41811752319336,
+      longitude: -122.07335662841797,
+    });
+    geocoderService.locationToAddress(coords, new Options).then(
+      function(rv) {
+        if (rv.status == Status.OK) {
+          for (var i = 0; i < rv.results.length; i++) {
+            var address = rv.results[i].formatted_address;
+            var location = rv.results[i].geometry.location;
+            console.log("Latitude,longitude for \"" + address + "\":");
+            console.log(location.latitude + ", " + location.longitude);
+          }
+        } else {
+          console.log("Geocoder request failed status=" + rv.status);
+        }
+      });
+  }
+
+  class Demo extends Application {
+    initialize() {
+      var geocoderURL = new URL(this.url).resolve("geocoder_service.js");
+      geocoderService = this.shell.connectToService(geocoderURL, Geocoder);
+      demoAddressToLocation();
+    }
+  }
+
+  return Demo;
+});
+