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Issue 985123002: Move geocoder code to location related path. This CL only moves files, no functional change. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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1 #!mojo mojo:js_content_handler
2
3 define("main", [
4 "console",
5 "examples/js/maps/geocoder.mojom",
6 "mojo/public/js/core",
7 "mojo/public/js/unicode",
8 "mojo/services/public/js/application",
9 "mojo/services/network/public/interfaces/network_service.mojom",
10 "mojo/services/network/public/interfaces/url_loader.mojom",
11 "third_party/js/url",
12 ], function(console, geocoder, core, unicode, application, network, loader, url) {
13
14 const Application = application.Application;
15 const Bounds = geocoder.Bounds;
16 const Geocoder = geocoder.Geocoder;
17 const Geometry = geocoder.Geometry;
18 const Location = geocoder.Location;
19 const NetworkService = network.NetworkService;
20 const Result = geocoder.Result;
21 const Status = geocoder.Status;
22 const URLRequest = loader.URLRequest;
23 const URL = url.URL;
24
25 var netService;
26
27 Location.prototype.queryString = function() {
28 // TBD: format floats to 6 decimal places
29 return this.latitude + ", " + this.longitude;
30 }
31
32 Location.fromJSON = function(json) {
33 return !json ? null : new Location({
34 latitude: json.lat,
35 longitude: json.lng,
36 });
37 }
38
39 Bounds.fromJSON = function(json) {
40 return !json ? null : new Bounds({
41 northeast: Location.fromJSON(json.northeast),
42 southwest: Location.fromJSON(json.southwest),
43 });
44 }
45
46 Geometry.fromJSON = function(json) {
47 return !json ? null : new Geometry({
48 location: Location.fromJSON(json.location),
49 location_type: json.location_type,
50 viewport: Bounds.fromJSON(json.viewport),
51 bounds: Bounds.fromJSON(json.bounds),
52 });
53 }
54
55 Result.fromJSON = function(json) {
56 return !json ? null : new Result({
57 partial_match: !!json.partial_match,
58 formatted_address: json.formatted_address,
59 geometry: Geometry.fromJSON(json.geometry),
60 types: json.types,
61 // TBD: address_components
62 });
63 }
64
65 function parseGeocodeResponse(arrayBuffer) {
66 return JSON.parse(unicode.decodeUtf8String(new Uint8Array(arrayBuffer)));
67 }
68
69 function geocodeRequest(url) {
70 return new Promise(function(resolveRequest) {
71 var urlLoader;
72 netService.createURLLoader(function(urlLoaderProxy) {
73 urlLoader = urlLoaderProxy;
74 });
75
76 var urlRequest = new URLRequest({
77 url: url.format(),
78 method: "GET",
79 auto_follow_redirects: true
80 });
81
82 urlLoader.start(urlRequest).then(function(urlLoaderResult) {
83 core.drainData(urlLoaderResult.response.body).then(
84 function(drainDataResult) {
85 // TBD: handle drainData failure
86 var value = parseGeocodeResponse(drainDataResult.buffer);
87 resolveRequest({
88 status: value.status,
89 results: value.results.map(Result.fromJSON),
90 });
91 });
92 });
93 });
94 }
95
96 function geocodeURL(key, value, options) {
97 var url = new URL("https://maps.googleapis.com/maps/api/geocode/json");
98 url.query = {};
99 url.query[key] = value;
100 // TBD: add options url.query
101 return url;
102 }
103
104 class GeocoderImpl {
105 addressToLocation(address, options) {
106 return geocodeRequest(geocodeURL("address", address, options));
107 }
108
109 locationToAddress(location, options) {
110 return geocodeRequest(
111 geocodeURL("latlng", location.queryString(), options));
112 }
113 }
114
115 class GeocoderService extends Application {
116 initialize() {
117 netService = this.shell.connectToService(
118 "mojo:network_service", NetworkService);
119 }
120
121 acceptConnection(initiatorURL, serviceProvider) {
122 serviceProvider.provideService(Geocoder, GeocoderImpl);
123 }
124 }
125
126 return GeocoderService;
127 });
128
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