From 5f3dbf9890a2addcd7396986abb8c20e0fe9aa22 Mon Sep 17 00:00:00 2001
From: Grant Nestor <grantnestor@gmail.com>
Date: Thu, 27 Apr 2017 13:31:08 -0700
Subject: [PATCH 1/2] Use different favicons for different components
 (notebook, terminal, file)

---
 notebook/static/base/images/favicon-file.ico     | Bin 0 -> 1150 bytes
 notebook/static/base/images/favicon-notebook.ico | Bin 0 -> 1150 bytes
 notebook/static/base/images/favicon-terminal.ico | Bin 0 -> 1150 bytes
 notebook/templates/edit.html                     |   2 ++
 notebook/templates/notebook.html                 |   2 ++
 notebook/templates/terminal.html                 |   2 ++
 6 files changed, 6 insertions(+)
 create mode 100644 notebook/static/base/images/favicon-file.ico
 create mode 100644 notebook/static/base/images/favicon-notebook.ico
 create mode 100644 notebook/static/base/images/favicon-terminal.ico

diff --git a/notebook/static/base/images/favicon-file.ico b/notebook/static/base/images/favicon-file.ico
new file mode 100644
index 0000000000000000000000000000000000000000..8167018cd005ff4a24d8287c620539e23c69aac9
GIT binary patch
literal 1150
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literal 0
HcmV?d00001

diff --git a/notebook/static/base/images/favicon-notebook.ico b/notebook/static/base/images/favicon-notebook.ico
new file mode 100644
index 0000000000000000000000000000000000000000..4537e2d989843ae1a96a0548aa0a7066a22e2698
GIT binary patch
literal 1150
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literal 0
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diff --git a/notebook/static/base/images/favicon-terminal.ico b/notebook/static/base/images/favicon-terminal.ico
new file mode 100644
index 0000000000000000000000000000000000000000..ace499a338f7a33004eea46d556316504a6d8424
GIT binary patch
literal 1150
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literal 0
HcmV?d00001

diff --git a/notebook/templates/edit.html b/notebook/templates/edit.html
index 9cda9fbc7..8c69952be 100644
--- a/notebook/templates/edit.html
+++ b/notebook/templates/edit.html
@@ -2,6 +2,8 @@
 
 {% block title %}{{page_title}}{% endblock %}
 
+{% block favicon %}<link rel="shortcut icon" type="image/x-icon" href="{{static_url("base/images/favicon-file.ico") }}">{% endblock %}
+
 {% block stylesheet %}
 <link rel="stylesheet" href="{{ static_url('components/codemirror/lib/codemirror.css') }}">
 <link rel="stylesheet" href="{{ static_url('components/codemirror/addon/dialog/dialog.css') }}">
diff --git a/notebook/templates/notebook.html b/notebook/templates/notebook.html
index 53e5ebbb4..dfa9610e6 100644
--- a/notebook/templates/notebook.html
+++ b/notebook/templates/notebook.html
@@ -1,5 +1,7 @@
 {% extends "page.html" %}
 
+{% block favicon %}<link rel="shortcut icon" type="image/x-icon" href="{{static_url("base/images/favicon-notebook.ico") }}">{% endblock %}
+
 {% block stylesheet %}
 
 {% if mathjax_url %}
diff --git a/notebook/templates/terminal.html b/notebook/templates/terminal.html
index 945e19070..0a3cfd05c 100644
--- a/notebook/templates/terminal.html
+++ b/notebook/templates/terminal.html
@@ -2,6 +2,8 @@
 
 {% block title %}{{page_title}}{% endblock %}
 
+{% block favicon %}<link rel="shortcut icon" type="image/x-icon" href="{{static_url("base/images/favicon-terminal.ico") }}">{% endblock %}
+
 {% block bodyclasses %}terminal-app {{super()}}{% endblock %}
 
 {% block params %}

From 3e01e128f5082e70e665b446529adfb06912bd7e Mon Sep 17 00:00:00 2001
From: Grant Nestor <grantnestor@gmail.com>
Date: Thu, 27 Apr 2017 13:31:30 -0700
Subject: [PATCH 2/2] Use animated favicon for kernel busy indicator

---
 .../static/base/images/favicon-busy-1.ico     | Bin 0 -> 1150 bytes
 .../static/base/images/favicon-busy-2.ico     | Bin 0 -> 1150 bytes
 .../static/base/images/favicon-busy-3.ico     | Bin 0 -> 1150 bytes
 notebook/static/base/images/favicon-busy.ico  | Bin 32038 -> 0 bytes
 notebook/static/base/js/utils.js              |  14 ++++++-
 .../static/notebook/js/notificationarea.js    |  36 ++++++++++--------
 6 files changed, 34 insertions(+), 16 deletions(-)
 create mode 100644 notebook/static/base/images/favicon-busy-1.ico
 create mode 100644 notebook/static/base/images/favicon-busy-2.ico
 create mode 100644 notebook/static/base/images/favicon-busy-3.ico
 delete mode 100644 notebook/static/base/images/favicon-busy.ico

diff --git a/notebook/static/base/images/favicon-busy-1.ico b/notebook/static/base/images/favicon-busy-1.ico
new file mode 100644
index 0000000000000000000000000000000000000000..5b46a822610b0f49bad2579cbd0ff8bfbb80d0fd
GIT binary patch
literal 1150
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diff --git a/notebook/static/base/images/favicon-busy-2.ico b/notebook/static/base/images/favicon-busy-2.ico
new file mode 100644
index 0000000000000000000000000000000000000000..4a8b841c2bb765c731c7d8d53bd954d642712b49
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/notebook/static/base/images/favicon-busy-3.ico b/notebook/static/base/images/favicon-busy-3.ico
new file mode 100644
index 0000000000000000000000000000000000000000..b5edce573303a1d750106afa0a3b17bb2e6f2fb7
GIT binary patch
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diff --git a/notebook/static/base/images/favicon-busy.ico b/notebook/static/base/images/favicon-busy.ico
deleted file mode 100644
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GIT binary patch
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diff --git a/notebook/static/base/js/utils.js b/notebook/static/base/js/utils.js
index b70b3ceb6..474b03426 100644
--- a/notebook/static/base/js/utils.js
+++ b/notebook/static/base/js/utils.js
@@ -1051,6 +1051,17 @@ define([
         fn();
       }
     }
+    
+    var change_favicon = function (src) {
+        var link = document.createElement('link'),
+            oldLink = document.getElementById('favicon');
+        link.id = 'favicon';
+        link.type = 'image/x-icon';
+        link.rel = 'shortcut icon';
+        link.href = utils.url_path_join(utils.get_body_data('baseUrl'), src);
+        if (oldLink) document.head.removeChild(oldLink);
+        document.head.appendChild(link);
+    };
 
     var utils = {
         throttle: throttle,
@@ -1101,7 +1112,8 @@ define([
         format_datetime: format_datetime,
         datetime_sort_helper: datetime_sort_helper,
         dnd_contain_file: dnd_contain_file,
-        _ansispan:_ansispan
+        _ansispan:_ansispan,
+        change_favicon: change_favicon
     };
 
     return utils;
diff --git a/notebook/static/notebook/js/notificationarea.js b/notebook/static/notebook/js/notificationarea.js
index 121fc6be2..89abc33e0 100644
--- a/notebook/static/notebook/js/notificationarea.js
+++ b/notebook/static/notebook/js/notificationarea.js
@@ -40,6 +40,23 @@ define([
         var $modal_ind_icon = $("#modal_indicator");
         var $readonly_ind_icon = $('#readonly-indicator');
         var $body = $('body');
+        var interval = 0;
+        
+        var set_busy_favicon = function(on) {
+            if (on && !interval) {
+                var i = 0;
+                var icons = ['favicon-busy-1.ico', 'favicon-busy-3.ico', 'favicon-busy-3.ico'];
+                interval = setInterval(function() {
+                    var icon = icons[i % 3];
+                    utils.change_favicon('/static/base/images/' + icon);
+                    i += 1;
+                }, 300);
+            } else {
+                clearInterval(interval);
+                utils.change_favicon('/static/base/images/favicon-notebook.ico');
+                interval = 0;
+            }
+        };
 
         // Listen for the notebook loaded event.  Set readonly indicator.
         this.events.on('notebook_loaded.Notebook', function() {
@@ -244,41 +261,30 @@ define([
             knw.danger(short, undefined, showMsg);
         });
         
-        var change_favicon = function (src) {
-            var link = document.createElement('link'),
-                oldLink = document.getElementById('favicon');
-            link.id = 'favicon';
-            link.type = 'image/x-icon';
-            link.rel = 'shortcut icon';
-            link.href = utils.url_path_join(utils.get_body_data('baseUrl'), src);
-            if (oldLink) document.head.removeChild(oldLink);
-            document.head.appendChild(link);
-        };
-
         this.events.on('kernel_starting.Kernel kernel_created.Session', function () {
             // window.document.title='(Starting) '+window.document.title;
             $kernel_ind_icon.attr('class','kernel_busy_icon').attr('title','Kernel Busy');
             knw.set_message("Kernel starting, please wait...");
-            change_favicon('/static/base/images/favicon-busy.ico');
+            set_busy_favicon(true);
         });
 
         this.events.on('kernel_ready.Kernel', function () {
             // that.save_widget.update_document_title();
             $kernel_ind_icon.attr('class','kernel_idle_icon').attr('title','Kernel Idle');
             knw.info("Kernel ready", 500);
-            change_favicon('/static/base/images/favicon.ico');
+            set_busy_favicon(false);
         });
 
         this.events.on('kernel_idle.Kernel', function () {
             // that.save_widget.update_document_title();
             $kernel_ind_icon.attr('class','kernel_idle_icon').attr('title','Kernel Idle');
-            change_favicon('/static/base/images/favicon.ico');
+            set_busy_favicon(false);
         });
 
         this.events.on('kernel_busy.Kernel', function () {
             // window.document.title='(Busy) '+window.document.title;
             $kernel_ind_icon.attr('class','kernel_busy_icon').attr('title','Kernel Busy');
-            change_favicon('/static/base/images/favicon-busy.ico');
+            set_busy_favicon(true);
         });
 
         this.events.on('spec_match_found.Kernel', function (evt, data) {