Restore polkit agent.

This will allow us to launch programs as root in a wayland session.

ref:
#10172

fixes: linuxmint/wayland#64
fixes: linuxmint/wayland#26
fixes: linuxmint/wayland#22

possible todo:
 - multi-user selection

data/theme/cinnamon.css

@@ -1164,6 +1164,79 @@ StScrollBar StButton#vhandle:hover {
  -arrow-rise: 10px;
  -boxpointer-gap: 5px;
 }
+
+/* ===================================================================
+ * Policykit authentication dialog
+ * ===================================================================*/
+.polkit-dialog {
+ /* this is the width of the entire modal popup */
+ width: 500px;
+}
+.polkit-dialog-main-layout {
+ spacing: 24px;
+ padding: 10px;
+}
+.polkit-dialog-message-layout {
+ spacing: 16px;
+}
+.polkit-dialog-headline {
+ font-size: 12pt;
+ font-weight: bold;
+ color: #666666;
+}
+.polkit-dialog-description {
+ font-size: 10pt;
+ color: white;
+}
+.polkit-dialog-user-layout {
+ padding-left: 10px;
+ spacing: 10px;
+}
+.polkit-dialog-user-layout:rtl {
+ padding-left: 0px;
+ padding-right: 10px;
+}
+.polkit-dialog-user-root-label {
+ color: #ff0000;
+}
+.polkit-dialog-password-label:ltr {
+ padding-right: 0.5em;
+}
+.polkit-dialog-password-label:rtl {
+ padding-left: 0.5em;
+}
+.polkit-dialog-password-entry {
+ background-gradient-start: rgb(236,236,236);
+ background-gradient-end: white;
+ background-gradient-direction: vertical;
+ color: black;
+ border-radius: 5px;
+ border: 2px solid #555753;
+}
+.polkit-dialog-password-entry:focus {
+ border: 2px solid #3465a4;
+}
+.polkit-dialog-password-entry .capslock-warning {
+ icon-size: 16px;
+ warning-color: #999;
+ padding: 0 4px;
+}
+.polkit-dialog-error-label {
+ font-size: 10pt;
+ color: #ffff00;
+ padding-bottom: 8px;
+}
+.polkit-dialog-info-label {
+ font-size: 10pt;
+ padding-bottom: 8px;
+}
+/* intentionally left transparent to avoid dialog changing size */
+.polkit-dialog-null-label {
+ font-size: 10pt;
+ color: rgba(0,0,0,0);
+ padding-bottom: 8px;
+}
+
 /* ###################################################################
  * Cinnamon Specific Section
  * ###################################################################*/

debian/control

@@ -86,7 +86,6 @@ Depends:
  metacity,
  nemo,
  network-manager-gnome [linux-any],
- policykit-1-gnome,
  python3,
  python3-dbus,
  python3-distro,
@@ -115,7 +114,7 @@ Recommends:
  gnome-themes-extra | gnome-themes-standard,
  touchegg,
 Suggests: cinnamon-doc
-Provides: notification-daemon, x-window-manager
+Provides: notification-daemon, x-window-manager, polkit-1-auth-agent
 Description: Modern Linux desktop
  Cinnamon is a modern Linux desktop which provides advanced innovative
  features and a traditional user experience. It's easy to use, powerful

js/ui/main.js

@@ -102,6 +102,7 @@ const Overview = imports.ui.overview;
 const Expo = imports.ui.expo;
 const Panel = imports.ui.panel;
 const PlacesManager = imports.ui.placesManager;
+const PolkitAuthenticationAgent = imports.ui.polkitAuthenticationAgent;
 const RunDialog = imports.ui.runDialog;
 const Layout = imports.ui.layout;
 const LookingGlass = imports.ui.lookingGlass;
@@ -431,9 +432,9 @@ function start() {
  _initUserSession();
  screenRecorder = new ScreenRecorder.ScreenRecorder();
 
- // Provide the bus object for gnome-session to
- // initiate logouts.
- //EndSessionDialog.init();
+ if (Meta.is_wayland_compositor()) {
+  PolkitAuthenticationAgent.init();
+ }
 
  _startDate = new Date();
 

js/ui/modalDialog.js

@@ -88,7 +88,8 @@ ModalDialog.prototype = {
  this._group.add_actor(this._backgroundBin);
 
  this._dialogLayout = new St.BoxLayout({ style_class: 'modal-dialog',
- vertical: true });
+ vertical: true,
+ important: true });
  if (params.styleClass != null) {
  this._dialogLayout.add_style_class_name(params.styleClass);
  }