Initial element hiding functionality

background.js

Index: background.js
===================================================================
--- a/background.js
+++ b/background.js
@@ -1,8 +1,9 @@
+var ElemHide = require("elemHide").ElemHide;
 var FilterNotifier = require("filterNotifier").FilterNotifier;
 var FilterStorage = require("filterStorage").FilterStorage;
 var Synchronizer = require("synchronizer").Synchronizer;
 var Subscription = require("subscriptionClasses").Subscription;
 var DownloadableSubscription = require("subscriptionClasses").DownloadableSubscription;
 
 var isFirstRun = false;
 FilterNotifier.addListener(function(action)
@@ -139,8 +140,21 @@ function executeFirstRunActions()
       subscription.homepage = selectedItem.getAttribute("homepage");
       if (subscription instanceof DownloadableSubscription && !subscription.lastDownload)
         Synchronizer.execute(subscription);
       FilterStorage.addSubscription(subscription);
     }
   };
   request.send(null);
 }
+
+opera.extension.addEventListener("message", function(event)
+{
+  var request = event.data;
+  switch (request.reqtype)

[Felix Dahlke, 2012/10/10 14:21:42]

I'd prefer an if here, since there is only one case.

[Wladimir Palant, 2012/10/17 10:15:57]

This code is essentially identical to Chrome and we will most definitely add
more cases here once we have more UI.

+  {
+    case "get-settings":
+      var host = extractHostFromURL(request.frameUrl);
+      var selectors = ElemHide.getSelectorsForDomain(host, false);
+      event.source.postMessage({reqtype: "get-settings-response", selectors: selectors});
+      break;
+  }
+}, false);