[gnome-shell] user-menu: Restore previous session presence at startup

[Florian MÃllner <fmuellner src gnome org>]

commit 2947b921489937e6fb8ea8d9634510585b78bcc0
Author: Florian MÃllner <fmuellner gnome org>
Date:   Thu Oct 6 02:47:18 2011 +0200

    user-menu: Restore previous session presence at startup
    
    Save the session presence in GSettings and restore it on startup.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=659021

 data/org.gnome.shell.gschema.xml.in |    4 ++++
 js/ui/userMenu.js                   |   25 ++++++++++++++++++++++++-
 2 files changed, 28 insertions(+), 1 deletions(-)
---
diff --git a/data/org.gnome.shell.gschema.xml.in b/data/org.gnome.shell.gschema.xml.in
index a848818..82b0c33 100644
--- a/data/org.gnome.shell.gschema.xml.in
+++ b/data/org.gnome.shell.gschema.xml.in
@@ -54,6 +54,10 @@
       <default>0</default>
       <_summary></_summary>
     </key>
+    <key name="saved-session-presence" type="i">
+      <default>0</default>
+      <_summary></_summary>
+    </key>
     <child name="clock" schema="org.gnome.shell.clock"/>
     <child name="calendar" schema="org.gnome.shell.calendar"/>
     <child name="recorder" schema="org.gnome.shell.recorder"/>
diff --git a/js/ui/userMenu.js b/js/ui/userMenu.js
index 85d9802..d6e30af 100644
--- a/js/ui/userMenu.js
+++ b/js/ui/userMenu.js
@@ -158,10 +158,11 @@ IMStatusChooserItem.prototype = {
                             Lang.bind(this, this._changeIMStatus));
 
         this._presence = new GnomeSession.Presence();
-        this._presence.getStatus(Lang.bind(this, this._sessionStatusChanged));
         this._presence.connect('StatusChanged',
                                Lang.bind(this, this._sessionStatusChanged));
 
+        this._sessionPresenceRestored = false;
+        this._imPresenceRestored = false;
         this._currentPresence = undefined;
 
         this._accountMgr = Tp.AccountManager.dup()
@@ -267,12 +268,20 @@ IMStatusChooserItem.prototype = {
     },
 
     _IMStatusChanged: function(accountMgr, presence, status, message) {
+        if (!this._imPresenceRestored)
+            this._imPresenceRestored = true;
+
         if (presence == this._currentPresence)
             return;
 
         this._currentPresence = presence;
         this._setComboboxPresence(presence);
 
+        if (!this._sessionPresenceRestored) {
+            this._presence.getStatus(Lang.bind(this, this._sessionStatusChanged));
+            return;
+        }
+
         if (presence == Tp.ConnectionPresenceType.AVAILABLE)
             this._presence.setStatus(GnomeSession.PresenceStatus.AVAILABLE);
 
@@ -349,6 +358,20 @@ IMStatusChooserItem.prototype = {
     },
 
     _sessionStatusChanged: function(sessionPresence, sessionStatus) {
+        if (!this._imPresenceRestored)
+            return;
+
+        if (!this._sessionPresenceRestored) {
+            let savedStatus = global.settings.get_int('saved-session-presence');
+            if (sessionStatus != savedStatus) {
+                this._presence.setStatus(savedStatus);
+                return;
+            }
+            this._sessionPresenceRestored = true;
+        }
+
+        global.settings.set_int('saved-session-presence', sessionStatus);
+
         let [presence, s, msg] = this._accountMgr.get_most_available_presence();
         let newPresence, status;