X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/7bcea3839da07f01258157ad204cd5b1fd4c76d8..3324fd8dd395ab8a54fa04045ee6ad9799337131:/app/views/site/id.html.erb

diff --git a/app/views/site/id.html.erb b/app/views/site/id.html.erb
index c0682258d..53e177a3f 100644
--- a/app/views/site/id.html.erb
+++ b/app/views/site/id.html.erb
@@ -31,7 +31,7 @@
         oauth_token_secret: "<%= token.secret %>"
       });
 
-    id.map().on('move.embed', function() {
+    id.map().on('move.embed', parent.$.throttle(250, function() {
       var extent = id.map().extent(),
           zoom = ~~id.map().zoom(),
           center = id.map().center();
@@ -46,7 +46,14 @@
         extent[0][0]],
         [extent[1][1],
         extent[1][0]]]);
-    });
+
+      // Manually resolve URL to avoid iframe JS context weirdness.
+      // http://bl.ocks.org/jfirebaugh/5439412
+      var hash = parent.OSM.formatHash({ lon: center[0], lat: center[1], zoom: zoom });
+      if (hash !== parent.location.hash) {
+        parent.location.replace(parent.location.href.replace(/#.*/, hash));
+      }
+    }));
 
     parent.$("body").on("click", "a.set_position", function (e) {
       e.preventDefault();