From 6190d6c962ca4df2675789e29672e74e5c55fa32 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
Date: Thu, 17 May 2012 21:05:36 +0200
Subject: [PATCH] messageTray: Allow to make notification buttons insensitive

The availability of a notification action may depend on conditions,
so add a method to control the sensitivity of buttons which have
been added with addButton().

https://bugzilla.gnome.org/show_bug.cgi?id=651251
---
 data/theme/gnome-shell.css |  5 +++++
 js/ui/messageTray.js       | 26 ++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/data/theme/gnome-shell.css b/data/theme/gnome-shell.css
index 259be2695..a229653bd 100644
--- a/data/theme/gnome-shell.css
+++ b/data/theme/gnome-shell.css
@@ -328,6 +328,11 @@ StScrollBar StButton#vhandle:hover
     background-gradient-end: rgba(255, 255, 255, 0.2);
 }
 
+.notification-icon-button:insensitive,
+.notification-button:insensitive {
+    color: #9f9f9f;
+}
+
 /* Panel */
 
 #panel {
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index c7e341086..a5bd47251 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -746,6 +746,7 @@ const Notification = new Lang.Class({
         }
 
         let button = new St.Button({ can_focus: true });
+        button._actionId = id;
 
         if (this._useActionIcons && Gtk.IconTheme.get_default().has_icon(id)) {
             button.add_style_class_name('notification-icon-button');
@@ -765,6 +766,31 @@ const Notification = new Lang.Class({
         this.updated();
     },
 
+    // setButtonSensitive:
+    // @id: the action ID
+    // @sensitive: whether the button should be sensitive
+    //
+    // If the notification contains a button with action ID @id,
+    // its sensitivity will be set to @sensitive. Insensitive
+    // buttons cannot be clicked.
+    setButtonSensitive: function(id, sensitive) {
+        if (!this._buttonBox)
+            return;
+
+        let button = this._buttonBox.get_children().filter(function(b) {
+            return b._actionId == id;
+        })[0];
+
+        if (!button || button.reactive == sensitive)
+            return;
+
+        button.reactive = sensitive;
+        if (sensitive)
+            button.remove_style_pseudo_class('insensitive');
+        else
+            button.add_style_pseudo_class('insensitive');
+    },
+
     setUrgency: function(urgency) {
         this.urgency = urgency;
     },