Add sticky notification option to notify plugin.

Author: brenns10

src/jupyter_contrib_nbextensions/nbextensions/notify/notify.js

@@ -8,9 +8,32 @@ Add this file to $(ipython locate)/nbextensions/
 
 */
 
-define(["require"], function (require) {
+define([
+  "jquery",
+  "base/js/namespace",
+  "base/js/utils",
+  "services/config",
+], function ($, IPython, utils, configmod) {
   "use strict";
 
+  var params = {
+    sticky: false
+  };
+
+  var base_url = utils.get_body_data("baseUrl");
+  var config = new configmod.ConfigSection('notebook', {base_url: base_url});
+
+  var update_params = function() {
+    for (var key in params) {
+      if (config.data.hasOwnProperty(key)) {
+        params[key] = config.data[key];
+      }
+    }
+  }
+  config.loaded.then(function() {
+    update_params();
+  })
+
   var current_time = function() {
     return new Date().getTime() / 1000;
   };
@@ -95,7 +118,10 @@ define(["require"], function (require) {
   var notify = function () {
     var elapsed_time = current_time() - start_time;
     if (enabled && !first_start && !busy_kernel && elapsed_time >= min_time) {
-      var n = new Notification(IPython.notebook.notebook_name, {body: "Kernel is now idle\n(ran for " + Math.round(elapsed_time) + " secs)"});
+      var n = new Notification(IPython.notebook.notebook_name, {
+        body: "Kernel is now idle\n(ran for " + Math.round(elapsed_time) + " secs)",
+        requireInteraction: params.sticky
+      });
       n.onclick = function(event){ window.focus(); }
     }
     if (first_start) {
@@ -155,6 +181,7 @@ define(["require"], function (require) {
   };
 
   var load_ipython_extension = function () {
+    config.load();
     ensure_permission();
     setup_notifier();
   };

src/jupyter_contrib_nbextensions/nbextensions/notify/notify.yaml

@@ -7,3 +7,8 @@ Link: readme.md
 Icon: notification.png
 Main: notify.js
 Compatibility: 4.x, 5.x
+Parameters:
+- name: sticky
+  description: Require interactions on notifications to dismiss them.
+  input_type: checkbox
+  default: false

src/jupyter_contrib_nbextensions/nbextensions/notify/readme.md

@@ -16,6 +16,11 @@ trigger a notification (e.g. if selecting 5, a notification will only be shown
 if the kernel was busy for more than 5 seconds). The selection is saved in the
 notebook's metadata and restored when the notebook is re-opened.
 
+You may configure the plugin so that notifications require manual dismissal
+before disappearing. Browser support is limited, see
+[here](https://developer.mozilla.org/en-US/docs/Web/API/notification/requireInteraction)
+to check if your browser supports this.
+
 ![notification](notification.png "notification")
 
 
@@ -33,4 +38,4 @@ Permission is hereby granted, free of charge, to any person obtaining a copy of
 
 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.