[extensions-web] extension-detail: added uninstall button.

[Yuri Konotopov <ykonotopov src gnome org>]

commit 3e05f99b8a7a0827867133ecf3dbfdb11818cba4
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Fri Mar 23 20:03:23 2018 +0400

    extension-detail: added uninstall button.
    
    Uninstall button was available at "Installed extensions" page only.
    This commit adds same button to extension details page.
    
    Fixes: https://gitlab.gnome.org/GNOME/gnome-shell/issues/141
    Fixes: https://bugzilla.gnome.org/show_bug.cgi?id=794598

 .../extensions/templates/extensions/detail.html    |    1 +
 sweettooth/static/js/extensions.js                 |    9 ++++++++-
 2 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/sweettooth/extensions/templates/extensions/detail.html 
b/sweettooth/extensions/templates/extensions/detail.html
index db592ee..a11f47b 100644
--- a/sweettooth/extensions/templates/extensions/detail.html
+++ b/sweettooth/extensions/templates/extensions/detail.html
@@ -22,6 +22,7 @@
         <div class="extra-buttons">
           <div class="upgrade-button" title="Upgrade this extension"></div>
           <div class="configure-button" title="Configure this extension"></div>
+          <div class="uninstall-button" title="Uninstall this extension"></div>
         </div>
       </div>
 
diff --git a/sweettooth/static/js/extensions.js b/sweettooth/static/js/extensions.js
index a4246b8..b8e3e26 100644
--- a/sweettooth/static/js/extensions.js
+++ b/sweettooth/static/js/extensions.js
@@ -238,7 +238,14 @@ define(['jquery', 'messages', 'dbus!_', 'extensionUtils', 'templates', 'paginato
                                dbusProxy.UninstallExtension(uuid).then(function (result) {
                                        if (result)
                                        {
-                                               $elem.fadeOut({queue: false}).slideUp({queue: false});
+                                               if(!$elem.hasClass('single-page'))
+                                               {
+                                                       $elem.fadeOut({queue: false}).slideUp({queue: false});
+                                               }
+                                               else
+                                               {
+                                                       $elem.removeClass('installed upgradable 
configurable');
+                                               }
                                                messages.addInfo(templates.get('extensions/uninstall')(meta));
                                        }
                                });