Work around browser inconsistency in iframe URL resolution

[rails.git] / app / views / site / id.html.erb

diff --git a/app/views/site/id.html.erb b/app/views/site/id.html.erb
index aaa3927a9ecdf8fc5567a1f566a6fd90569c48b4..53e177a3fb90a75f45c903f67bdc8c27820fb0c5 100644 (file)
--- a/app/views/site/id.html.erb
+++ b/app/views/site/id.html.erb
@@ -31,21 +31,29 @@
         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();
 
-      parent.updatelinks(
-        center[0],
-        center[1],
+      parent.updatelinks({
+          lon: center[0],
+          lat: center[1]
+        },
         zoom,
         null,
-        extent[0][0],
-        extent[0][1],
-        extent[1][0],
-        extent[1][1]);
-    });
+        [[extent[0][1],
+        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();