From 1b4d7961dff6d7abca01ded1f395f948917940d8 Mon Sep 17 00:00:00 2001
From: tyru
Date: Tue, 3 May 2011 16:52:57 +0900
Subject: show clear message when a user needs to authenticate.

---
 subscldr.js | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'subscldr.js')

diff --git a/subscldr.js b/subscldr.js
index 2c2805c..83a039c 100644
--- a/subscldr.js
+++ b/subscldr.js
@@ -131,6 +131,7 @@ liberator.plugins.subscldr = (function() {
       req.addEventListener("onSuccess", function(res) {
         liberator.log(res.responseText);
         res.getHTMLDocument();
+        if (isLoginForm(res.doc)) throw "Please login to LDR to subscribe the feed.";
         subscribeInfo = getSubscribeInfo(res.doc);
         liberator.log(subscribeInfo.toSource());
       });
@@ -191,6 +192,11 @@ liberator.plugins.subscldr = (function() {
 
   }
 
+  function isLoginForm(htmldoc) {
+    return htmldoc.getElementById('livedoor_id') &&
+           htmldoc.getElementById('password');
+  }
+
   function getSubscribeInfo(htmldoc) {
     var subscribeInfo = {
        target_url: null,
-- 
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