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
+  // 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)

manifest.webapp

@@ -1,5 +1,5 @@
 {
-  "version": "0.0.5",
+  "version": "0.0.6",
   "name": "Kopher",
   "description": "A Gopher client for KaiOS",
   "launch_path": "/index.html",
@@ -24,6 +24,20 @@
       "description": "To notify about downloaded files"
     }
   },
+  "activities": {
+    "view": {
+      "href": "/index.html#ext",
+      "disposition": "window",
+      "filters": {
+        "type": "url",
+        "url": {
+          "required": true,
+          "pattern":"gopher:.{1,16384}"
+        }
+      },
+      "returnValue": false
+    }
+  },
   "installs_allowed_from": [
     "*"
   ],