basic gopher:// url view activity handling

js/app.js

@@ -338,8 +338,17 @@ addEventListener('DOMContentLoaded', function() {
   //setup the theme
   updateTheme()
 
-  // load the homepage if present
-  var hp = getBookmark(0)
-  loadURL(hp || 'about:kopher')
+  // load the homepage if present and we're not in an activity
+  if(!location.hash) {
+    var hp = getBookmark(0)
+    loadURL(hp || 'about:kopher')
+  }
+
+  // set external activity handling for gopher:// URLs
+  navigator.mozSetMessageHandler('activity', function(req) {
+    var act = req.source
+    if(act.name === 'view' && act.data.type === 'url' && act.data.url)
+      loadURL((''+act.data.url) || 'about:kopher')
+  });
 
 }, false)