File Notifications-Check-for-corona-to-avoid-crash.patch of Package plasma5-workspace

From 8a05294e5b3ef1df86f099edde837b8c8d28ccaf Mon Sep 17 00:00:00 2001
From: Kai Uwe Broulik <kde@privat.broulik.de>
Date: Wed, 12 Jul 2017 18:06:28 +0200
Subject: [Notifications] Check for corona to avoid crash

My previous attempt only fixed the case when notifications were directly in a panel.
Now it also no longer crashes when removing a panel that has a System Tray with the
notifications applet in it.

BUG: 378508
FIXED-IN: 5.8.8

Differential Revision: https://phabricator.kde.org/D6653
---
 applets/notifications/lib/notificationsapplet.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/applets/notifications/lib/notificationsapplet.cpp b/applets/notifications/lib/notificationsapplet.cpp
index 4474c8c..f49071c 100644
--- a/applets/notifications/lib/notificationsapplet.cpp
+++ b/applets/notifications/lib/notificationsapplet.cpp
@@ -63,7 +63,7 @@ void NotificationsApplet::onScreenChanges()
 {
     // when removing the panel the applet is in, the containment is being destroyed but its corona is still
     // there, rightfully emitting availableScreenRectChanged and then we blow up if we try to access it.
-    if (!containment()) {
+    if (!containment() || !containment()->corona()) {
         return;
     }
 
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