add geolocation blocklocation

3 files changed, 87 insertions, 0 deletions

diff --git a/blocks.js b/blocks.js
index 5f9bb29..735d36b 100644
--- a/blocks.js
+++ b/blocks.js
@@ -844,6 +844,25 @@ SyntaxElementMorph.prototype.labelPart = function (spec) {
             );
             part.setContents(['date']);
             break;
+        case '%locations':
+            part = new InputSlotMorph(
+                null, // text
+                false, // non-numeric
+                {
+                    'all' : ['all'],
+                    'country' : ['country'],
+                    'state' : ['state'],
+                    'state district' : ['state district'],
+                    'suburb' : ['suburb'],
+                    'city' : ['city'],
+                    'road' : ['road'],
+                    'house number' : ['house number'],
+                    'licence': ['licence']
+                },
+                true // read-only
+            );
+            part.setContents(['all']);
+            break;
         case '%delim':
             part = new InputSlotMorph(
                 null, // text
diff --git a/objects.js b/objects.js
index 4c0e862..5450a49 100644
--- a/objects.js
+++ b/objects.js
@@ -883,6 +883,11 @@ SpriteMorph.prototype.initBlocks = function () {
             category: 'sensing',
             spec: 'language'
         },
+        reportLocation: {
+            type: 'reporter',
+            category: 'sensing',
+            spec: 'location %locations'
+        },
 
         // Operators
         reifyScript: {
@@ -1891,6 +1896,7 @@ SpriteMorph.prototype.blockTemplates = function (category) {
         blocks.push(block('reportDate'));
         blocks.push('-');
         blocks.push(block('reportLanguage'));
+        blocks.push(block('reportLocation'));
 
     // for debugging: ///////////////
 
@@ -5000,6 +5006,7 @@ StageMorph.prototype.blockTemplates = function (category) {
         blocks.push(block('reportDate'));
         blocks.push('-');
         blocks.push(block('reportLanguage'));
+        blocks.push(block('reportLocation'));
 
     // for debugging: ///////////////
 
diff --git a/threads.js b/threads.js
index 51d1c9f..754d502 100644
--- a/threads.js
+++ b/threads.js
@@ -2583,6 +2583,67 @@ Process.prototype.reportLanguage = function () {
     return 'en';
 };
 
+Process.prototype.reportLocation = function (name) {
+    var myself = this;
+
+    if (!myself.context.jsonpScript) {
+        if (!navigator.geolocation) {
+            myself.handleError({name: 'Location',
+                message: 'navigator.geolocation is not supported'});
+        }
+        window.OSM_JSONP_Callback = function (data) {
+            myself.context.json = data;
+            window.OSM_JSONP_Callback = undefined;
+        };
+        myself.context.jsonpScript = document.createElement('script');
+
+        navigator.geolocation.getCurrentPosition(
+                function (pos) {
+                    var crd = pos.coords;
+
+                    myself.context.jsonpScript.src =
+                        'https://nominatim.openstreetmap.org/reverse'
+                        + '?format=json&json_callback=OSM_JSONP_Callback'
+                        + '&zoom=18&addressdetails=1'
+                        + '&lat='
+                        + crd.latitude
+                        + '&lon='
+                        + crd.longitude;
+                    document.getElementsByTagName('HEAD')[0]
+                        .appendChild(myself.context.jsonpScript);
+                },
+                function (err) {
+                    console.log(err);
+                    myself.handleError({name: 'Location', message: err});
+                },
+                { enableHightAccuracy: true, timeout: 30000, maximumAge: 0}
+        );
+    } else {
+        if (myself.context.json) {
+            switch (myself.inputOption(name)) {
+                case 'all':
+                    return myself.context.json.display_name;
+                case 'state district':
+                    return myself.context.json.address.state_district;
+                case 'house number':
+                    return myself.context.json.address.house_number;
+                case 'licence':
+                    return myself.context.json.licence;
+                case 'country':
+                case 'state':
+                case 'suburb':
+                case 'city':
+                case 'road':
+                    return myself.context.
+                        json.address[myself.inputOption(name)];
+            }
+        }
+    }
+
+    this.pushContext('doYield');
+    this.pushContext();
+};
+
 // Process Dates and times in Snap
 // Map block options to built-in functions
 var dateMap = {