From 8df9168f5587cfd31e0bf6a4170a4c4f9784dbb7 Mon Sep 17 00:00:00 2001
From: Robert Tari <robert@tari.in>
Date: Tue, 9 Mar 2021 00:32:56 +0100
Subject: Avoid possible null value

---
 src/media-player-list-greeter.vala |  9 +++++++--
 src/media-player-user.vala         | 21 ++++++++++++++++++---
 2 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/src/media-player-list-greeter.vala b/src/media-player-list-greeter.vala
index fb57597..1357e38 100644
--- a/src/media-player-list-greeter.vala
+++ b/src/media-player-list-greeter.vala
@@ -45,8 +45,13 @@ public class MediaPlayerListGreeter : MediaPlayerList {
             this.proxy.entry_selected.connect(active_user_changed);
             this.proxy.get_active_entry.begin ((obj, res) => {
                 try {
-                    var value = (obj as AyatanaGreeterList).get_active_entry.end(res);
-                    active_user_changed(value);
+                    var list = (obj as AyatanaGreeterList);
+
+                    if (list != null)
+                    {
+                        var value = list.get_active_entry.end(res);
+                        active_user_changed(value);
+                    }
                 } catch (Error e) {
                     warning("Unable to get active entry: %s", e.message);
                 }
diff --git a/src/media-player-user.vala b/src/media-player-user.vala
index 3cc90a0..ee31537 100644
--- a/src/media-player-user.vala
+++ b/src/media-player-user.vala
@@ -238,7 +238,12 @@ public class MediaPlayerUser : MediaPlayer {
         if (this.greeter != null) {
             this.greeter.RequestSoundPlayPause.begin(this.username, (obj, res) => {
                 try {
-                    (obj as GreeterBroadcast).RequestSoundPlayPause.end(res);
+                    var broadcasts = (obj as GreeterBroadcast);
+
+                    if (broadcasts != null)
+                    {
+                        broadcasts.RequestSoundPlayPause.end(res);
+                    }
                 } catch (Error e) {
                     warning("Unable to send play pause: %s", e.message);
                 }
@@ -253,7 +258,12 @@ public class MediaPlayerUser : MediaPlayer {
         if (this.greeter != null) {
             this.greeter.RequestSoundNext.begin(this.username, (obj, res) => {
                 try {
-                    (obj as GreeterBroadcast).RequestSoundNext.end(res);
+                    var broadcasts = (obj as GreeterBroadcast);
+
+                    if (broadcasts != null)
+                    {
+                        broadcasts.RequestSoundNext.end(res);
+                    }
                 } catch (Error e) {
                     warning("Unable to send next: %s", e.message);
                 }
@@ -268,7 +278,12 @@ public class MediaPlayerUser : MediaPlayer {
         if (this.greeter != null) {
             this.greeter.RequestSoundPrev.begin(this.username, (obj, res) => {
                 try {
-                    (obj as GreeterBroadcast).RequestSoundPrev.end(res);
+                    var broadcasts = (obj as GreeterBroadcast);
+
+                    if (broadcasts != null)
+                    {
+                        broadcasts.RequestSoundPrev.end(res);
+                    }
                 } catch (Error e) {
                     warning("Unable to send previous: %s", e.message);
                 }
-- 
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