From 2f882b505af0cfa0529084098c2c6ad4ba10854b Mon Sep 17 00:00:00 2001
From: Jeff Arnold <jbarnold@humbughq.com>
Date: Mon, 26 Nov 2012 17:57:31 -0500
Subject: [PATCH] Show "how many messages have arrived while away" in the
 document title

(imported from commit 6e2a18be9953694048d107a56a03a67f8bc2bd5a)
---
 templates/zephyr/base.html        |  4 +--
 templates/zephyr/index.html       |  1 +
 tools/jslint/check-all.js         |  2 +-
 zephyr/static/js/notifications.js | 44 +++++++++++++++++++++----------
 4 files changed, 34 insertions(+), 17 deletions(-)
diff --git a/templates/zephyr/base.html b/templates/zephyr/base.html
index f94745cb9f..a726e3c1d0 100644
--- a/templates/zephyr/base.html
+++ b/templates/zephyr/base.html
@@ -6,9 +6,9 @@
 <head>
     <meta charset="UTF-8">
     {% if user_profile.realm.domain %}
-    <title>Humbug for {{user_profile.realm.domain}}</title>
+    <title>Humbug - {{user_profile.realm.domain}}</title>
     {% else %}
-    <title>Humbug, from Humbug Inc.</title>
+    <title>Humbug</title>
     {% endif %}
     <!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
     <!--[if lt IE 9]>
diff --git a/templates/zephyr/index.html b/templates/zephyr/index.html
index 1be55a568d..c14d8109ff 100644
--- a/templates/zephyr/index.html
+++ b/templates/zephyr/index.html
@@ -62,6 +62,7 @@
 var initial_pointer = {{ user_profile.pointer }};
 
 var email = "{{ user_profile.user.email|escapejs }}";
+var domain = "{{ user_profile.realm.domain|escapejs }}";
 var have_initial_messages = {{ have_initial_messages|escapejs }};
 var desktop_notifications_enabled = "{{ user_profile.enable_desktop_notifications|escapejs }}" === "True";
 
diff --git a/tools/jslint/check-all.js b/tools/jslint/check-all.js
index aad319ca43..3d02cf6a44 100644
--- a/tools/jslint/check-all.js
+++ b/tools/jslint/check-all.js
@@ -7,7 +7,7 @@ var globals =
 
     // index.html
     + ' initial_pointer email stream_list people_list have_initial_messages'
-    + ' desktop_notifications_enabled'
+    + ' desktop_notifications_enabled domain'
 
     // common.js
     + ' status_classes'
diff --git a/zephyr/static/js/notifications.js b/zephyr/static/js/notifications.js
index 62c1f9f447..a5360d71af 100644
--- a/zephyr/static/js/notifications.js
+++ b/zephyr/static/js/notifications.js
@@ -2,19 +2,29 @@ var notifications = (function () {
 
 var exports = {};
 
+var notice_memory = {};
 var window_has_focus = true;
+var new_message_count = 0;
+
+function browser_desktop_notifications_on () {
+    return (window.webkitNotifications &&
+            // 0 is PERMISSION_ALLOWED
+            window.webkitNotifications.checkPermission() === 0);
+}
 
 exports.initialize = function () {
-    if (!window.webkitNotifications) {
-        return;
-    }
-
     $(window).focus(function () {
         window_has_focus = true;
+        new_message_count = 0;
+        document.title = "Humbug - " + domain;
     }).blur(function () {
         window_has_focus = false;
     });
 
+    if (!window.webkitNotifications) {
+        return;
+    }
+
     $(document).click(function () {
         if (!desktop_notifications_enabled) {
             return;
@@ -30,9 +40,7 @@ function gravatar_url(message) {
            "?d=identicon&s=30?stamp=" + ui.get_gravatar_stamp();
 }
 
-var notice_memory = {};
-
-function process_message(message) {
+function process_desktop_notification(message) {
     var i, notification_object;
     var key = message.display_reply_to;
     var title = message.sender_full_name;
@@ -93,19 +101,27 @@ function process_message(message) {
 }
 
 exports.received_messages = function (messages) {
-    var i;
-    if (!window.webkitNotifications ||
-        !desktop_notifications_enabled ||
-        window_has_focus) {
+    var i, title_needs_update = false;
+    if (window_has_focus) {
         return;
     }
 
     $.each(messages, function (index, message) {
-        if (message.sender_email !== email &&
-            (message.type === "personal" || message.type === "huddle")) {
-            process_message(message);
+        if (message.sender_email !== email) {
+            new_message_count++;
+            title_needs_update = true;
+
+            if (desktop_notifications_enabled &&
+                browser_desktop_notifications_on() &&
+                (message.type === "personal" || message.type === "huddle")) {
+                process_desktop_notification(message);
+            }
         }
     });
+
+    if (title_needs_update) {
+        document.title = "(" + new_message_count + ") Humbug - " + domain;
+    }
 };
 
 return exports;
