[gnome-shell/eos3.8: 181/255] paygManager: Update iface for ImpendingShutdown signal

[Matthew Leeds <mwleeds src gnome org>]

commit a4e24227af297ac666d67c2bf4a3f04cb219fcef
Author: Matthew Leeds <matthew leeds endlessm com>
Date:   Tue Oct 8 16:20:04 2019 -0500

    paygManager: Update iface for ImpendingShutdown signal
    
    eos-paygd now emits an ImpendingShutdown signal before initiating a
    forced shutdown.[1] Update the D-Bus introspection with the new signal;
    this will later be used to give the user warning of the shutdown.[2]
    
    [1] https://github.com/endlessm/eos-payg/pull/65
    [2] https://phabricator.endlessm.com/T27134
    
    https://phabricator.endlessm.com/T27133

 data/dbus-interfaces/com.endlessm.Payg1.xml | 4 ++++
 js/misc/paygManager.js                      | 6 ++++++
 2 files changed, 10 insertions(+)
---
diff --git a/data/dbus-interfaces/com.endlessm.Payg1.xml b/data/dbus-interfaces/com.endlessm.Payg1.xml
index 842f029608..be7ce279da 100644
--- a/data/dbus-interfaces/com.endlessm.Payg1.xml
+++ b/data/dbus-interfaces/com.endlessm.Payg1.xml
@@ -6,6 +6,10 @@
     </method>
     <method name="ClearCode" />
     <signal name="Expired" />
+    <signal name="ImpendingShutdown">
+      <arg type="i" name="seconds_remaining"/>
+      <arg type="s" name="shutdown_reason"/>
+    </signal>
     <property name="ExpiryTime" type="t" access="read"/>
     <property name="Enabled" type="b" access="read"/>
     <property name="RateLimitEndTime" type="t" access="read"/>
diff --git a/js/misc/paygManager.js b/js/misc/paygManager.js
index 3f965e0469..74b72bd0e1 100644
--- a/js/misc/paygManager.js
+++ b/js/misc/paygManager.js
@@ -99,6 +99,7 @@ var PaygManager = GObject.registerClass({
         this._proxyInfo = Gio.DBusInterfaceInfo.new_for_xml(EOS_PAYG_IFACE);
 
         this._codeExpiredId = 0;
+        this._impendingShutdownId = 0;
         this._propertiesChangedId = 0;
         this._expirationReminderId = 0;
 
@@ -136,6 +137,7 @@ var PaygManager = GObject.registerClass({
 
             this._propertiesChangedId = this._proxy.connect('g-properties-changed', 
this._onPropertiesChanged.bind(this));
             this._codeExpiredId = this._proxy.connectSignal('Expired', this._onCodeExpired.bind(this));
+            this._impendingShutdownId = this._proxy.connectSignal('ImpendingShutdown', 
this._onImpendingShutdown.bind(this));
 
             this._maybeNotifyUser();
             this._updateExpirationReminders();
@@ -210,6 +212,10 @@ var PaygManager = GObject.registerClass({
         this.emit('code-expired');
     }
 
+    _onImpendingShutdown(proxy, sender, [secondsRemaining, shutdownReason]) {
+        // TODO notify the user https://phabricator.endlessm.com/T27134
+    }
+
     _clockUpdated() {
         this._updateExpirationReminders();
     }