From afb5e01aed442c862b053fbb8cb9323fb20c2dbe Mon Sep 17 00:00:00 2001
From: "Martin T. H. Sandsmark" <martin.sandsmark@kde.org>
Date: Sat, 15 Oct 2016 15:22:16 +0200
Subject: [PATCH] Make the QML component plugin not crash when trying to be
 loaded without a QApplication

---
 mobile/components/okularplugin.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/mobile/components/okularplugin.cpp b/mobile/components/okularplugin.cpp
index 2204bea5b..eafcef7ee 100644
--- a/mobile/components/okularplugin.cpp
+++ b/mobile/components/okularplugin.cpp
@@ -25,10 +25,17 @@
 
 #include <QQmlEngine>
 #include <QPluginLoader>
+#include <QApplication>
 
 void OkularPlugin::registerTypes(const char *uri)
 {
-    Q_ASSERT(QString::fromLocal8Bit(uri) == QLatin1String("org.kde.okular"));
+    if (!qobject_cast<QApplication*>(qApp)) {
+        qWarning() << "The Okular QML components require a QApplication";
+        return;
+    }
+    if (QString::fromLocal8Bit(uri) != QLatin1String("org.kde.okular")) {
+        return;
+    }
     qmlRegisterType<DocumentItem>(uri, 2, 0, "DocumentItem");
     qmlRegisterType<PageItem>(uri, 2, 0, "PageItem");
     qmlRegisterType<ThumbnailItem>(uri, 2, 0, "ThumbnailItem");